Application context configuration datasources
I have 4 Tomcat environments for the same application: two development machines, 1 test and 1 production. Development machines are Windows 2000 and Vista, the others are linux. All 4 machines have Tomcat 6.0.14 installed. I really have problems getting the application properly deployed and configured. I have a global datasource configured in tomcat's server.xml and the mysql driver jar is in the /lib directory of tomcat. If I deploy the application by putting it in the webapps dir or using the ant manager tasks, I get this exception: Caused by: org.apache.tomcat.dbcp.dbcp.SQLNestedException: Cannot create JDBC driver of class '' for connect URL 'null' at org.apache.tomcat.dbcp.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1150) at org.apache.tomcat.dbcp.dbcp.BasicDataSource.getConnection(BasicDataSource.java:880) at org.hibernate.connection.DatasourceConnectionProvider.getConnection(DatasourceConnectionProvider.java:69) at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:423) ... 45 more If I copy the contents of the application's META-INF/context.xml into the server.xml, then the application and datasources loads fine, no problems. It looks something like: Context path=/myapp docBase=path_to_war debug=0 reloadable=false antiJARLocking=true antiResourceLocking=true crossContext=true ResourceLink name=jdbc/mydatasource global=jdbc/mydatasource type=javax.sql.DataSource / /Context (I then have a context.xml and the same part in the server.xml, but it doesn't seem to do harm) But then I cannot use the ant manager tasks to redeploy the application: C:\projects\myapp\build.xml:198: FAIL - Context /myapp is defined in server.xml and may not be undeployed On the test and production (linux) servers, its not that critical, as I do not do a lot of deployments. So there I have the app configured in server.xml and a deployment basically means stopping stopping, unzipping the war to an exploded docbase dir and starting tomcat again. (The restarting is also required because I use hibernate and there are some known memory leak issues there) So can someone clarify where/how the application must be configured to be able to use the ant manager tasks, but also to get the datasource working? Thanks! Charl - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Application context configuration datasources
Where is your Resource definition ? seems like the Driver class name and url is not defined. -Sameer --- Charl Gerber [EMAIL PROTECTED] wrote: I have 4 Tomcat environments for the same application: two development machines, 1 test and 1 production. Development machines are Windows 2000 and Vista, the others are linux. All 4 machines have Tomcat 6.0.14 installed. I really have problems getting the application properly deployed and configured. I have a global datasource configured in tomcat's server.xml and the mysql driver jar is in the /lib directory of tomcat. If I deploy the application by putting it in the webapps dir or using the ant manager tasks, I get this exception: Caused by: org.apache.tomcat.dbcp.dbcp.SQLNestedException: Cannot create JDBC driver of class '' for connect URL 'null' at org.apache.tomcat.dbcp.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1150) at org.apache.tomcat.dbcp.dbcp.BasicDataSource.getConnection(BasicDataSource.java:880) at org.hibernate.connection.DatasourceConnectionProvider.getConnection(DatasourceConnectionProvider.java:69) at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:423) ... 45 more If I copy the contents of the application's META-INF/context.xml into the server.xml, then the application and datasources loads fine, no problems. It looks something like: Context path=/myapp docBase=path_to_war debug=0 reloadable=false antiJARLocking=true antiResourceLocking=true crossContext=true ResourceLink name=jdbc/mydatasource global=jdbc/mydatasource type=javax.sql.DataSource / /Context (I then have a context.xml and the same part in the server.xml, but it doesn't seem to do harm) But then I cannot use the ant manager tasks to redeploy the application: C:\projects\myapp\build.xml:198: FAIL - Context /myapp is defined in server.xml and may not be undeployed On the test and production (linux) servers, its not that critical, as I do not do a lot of deployments. So there I have the app configured in server.xml and a deployment basically means stopping stopping, unzipping the war to an exploded docbase dir and starting tomcat again. (The restarting is also required because I use hibernate and there are some known memory leak issues there) So can someone clarify where/how the application must be configured to be able to use the ant manager tasks, but also to get the datasource working? Thanks! Charl - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] All that is necessary for the triumph of evil is that good men do nothing. Edmund Burke -Sameer http://in.groups.yahoo.com/group/indiaenergy/join Looking for last minute shopping deals? Find them fast with Yahoo! Search. http://tools.search.yahoo.com/newsearch/category.php?category=shopping - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Application context configuration datasources
server.xml: GlobalNamingResources Resource name=jdbc/mydatasource auth=Container type=javax.sql.DataSource maxActive=16 maxIdle=8 maxWait=1 username=abc password=xyz driverClassName=com.mysql.jdbc.Driver url=jdbc:mysql://localhost/mydatabase?autoReconnect=true / /GlobalNamingResources As I said, if I move the META-INF/context.xml contents into my server.xml, then it works fine, but then I cannot use ant manager tasks to redeploy. I have also tried to put the driver jar into the application war. No luck. --- Sameer Acharya [EMAIL PROTECTED] wrote: Where is your Resource definition ? seems like the Driver class name and url is not defined. -Sameer --- Charl Gerber [EMAIL PROTECTED] wrote: I have 4 Tomcat environments for the same application: two development machines, 1 test and 1 production. Development machines are Windows 2000 and Vista, the others are linux. All 4 machines have Tomcat 6.0.14 installed. I really have problems getting the application properly deployed and configured. I have a global datasource configured in tomcat's server.xml and the mysql driver jar is in the /lib directory of tomcat. If I deploy the application by putting it in the webapps dir or using the ant manager tasks, I get this exception: Caused by: org.apache.tomcat.dbcp.dbcp.SQLNestedException: Cannot create JDBC driver of class '' for connect URL 'null' at org.apache.tomcat.dbcp.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1150) at org.apache.tomcat.dbcp.dbcp.BasicDataSource.getConnection(BasicDataSource.java:880) at org.hibernate.connection.DatasourceConnectionProvider.getConnection(DatasourceConnectionProvider.java:69) at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:423) ... 45 more If I copy the contents of the application's META-INF/context.xml into the server.xml, then the application and datasources loads fine, no problems. It looks something like: Context path=/myapp docBase=path_to_war debug=0 reloadable=false antiJARLocking=true antiResourceLocking=true crossContext=true ResourceLink name=jdbc/mydatasource global=jdbc/mydatasource type=javax.sql.DataSource / /Context (I then have a context.xml and the same part in the server.xml, but it doesn't seem to do harm) But then I cannot use the ant manager tasks to redeploy the application: C:\projects\myapp\build.xml:198: FAIL - Context /myapp is defined in server.xml and may not be undeployed On the test and production (linux) servers, its not that critical, as I do not do a lot of deployments. So there I have the app configured in server.xml and a deployment basically means stopping stopping, unzipping the war to an exploded docbase dir and starting tomcat again. (The restarting is also required because I use hibernate and there are some known memory leak issues there) So can someone clarify where/how the application must be configured to be able to use the ant manager tasks, but also to get the datasource working? Thanks! Charl - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] All that is necessary for the triumph of evil is that good men do nothing. Edmund Burke -Sameer http://in.groups.yahoo.com/group/indiaenergy/join Looking for last minute shopping deals? Find them fast with Yahoo! Search. http://tools.search.yahoo.com/newsearch/category.php?category=shopping - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
url redirection
Hi, I have 2 web apps deployed on 2 tomcat servers. How to redirect urls that contains jar string from one app to another? http://zeus:8085/web/sec:jar:001 to http://zeus:8086/src/web:sec:jar:001 thanks __ Sent from Yahoo! Mail. More Ways to Keep in Touch. http://uk.docs.yahoo.com/nowyoucan.html - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
errors on reload, fine on restart
Hi,
I have just got the PayPal NVP stuff working in my app, but getting it to
work required adding quite a few jars that came with the download from
PayPal.
Trouble is, when I try to reload the app, I get a whole list of exceptions
listed. If I restart Tomcat, the app runs fine. I have tried taking out some
of the jars, but then PayPal doesn't work ( and doesn't necessarily throw an
exception telling you has gone wrong!)
Can anyone suggest what might be happening. It isn't a show-stopper, but it
is inconvenient.
Here is a list of the jars I have added:
activation.jar
bcmail-jdk14-128.jar
bcprov-jdk14-128.jar
commons-codec-1.3.jar
commons-discovery-0.2.jar
commons-httpclient-3.0.1.jar
commons-logging-1.0.4.jar
jaxrpc.jar
junit.jar
log4j-1.2.8.jar
log4j.properties
mailapi.jar
paypal_base.jar
paypal_junit.jar
saaj.jar
sax2.jar
xalan.jar
xerces.jar
xercesImpl.jar
xml-apis.jar
xpp3-1.1.3.4d_b4_min.jar
xstream-1.1.3.jar
And here are some of the errors:
{ERROR} startup.TldConfig Exception processing TLD
META-INF/spring-form.tldin JAR at resource path C:\Tomcat
6.0\webapps\ROOT\WEB-INF\lib\spring-webmvc.jar in context
java.lang.NullPointerException
at org.apache.xerces.framework.XMLParser.parse(XMLParser.java:).
{ERROR} startup.TldConfig Exception processing TLD META-INF/spring.tld in
JAR at resource path C:\Tomcat
6.0\webapps\ROOT\WEB-INF\lib\spring-webmvc.jar in context
java.lang.NullPointerException
at org.apache.xerces.framework.XMLParser.parse(XMLParser.java:)
{ERROR} startup.TldConfig Exception processing TLD META-INF/c-1_0-rt.tld in
JAR at resource path C:\Tomcat 6.0\webapps\ROOT\WEB-INF\lib\standard.jar in
context
java.lang.NullPointerException
at org.apache.xerces.framework.XMLParser.parse(XMLParser.java:)...
{ERROR} startup.TldConfig Exception processing TLD
META-INF/fmt-1_0-rt.tldin JAR at resource path C:\Tomcat
6.0\webapps\ROOT\WEB-INF\lib\standard.jar in context
java.lang.NullPointerException
at org.apache.xerces.framework.XMLParser.parse(XMLParser.java:)...
etc for all the tld files hidden within the jar files
plus
{ERROR} startup.ContextConfig Parse error in default web.xml
java.lang.NullPointerException
at org.apache.xerces.framework.XMLParser.parse(XMLParser.java:)
{ERROR} startup.ContextConfig Parse error in application web.xml file at
jndi:/localhost/WEB-INF/web.xml
java.lang.NullPointerException
at org.apache.xerces.framework.XMLParser.parse(XMLParser.java:)
TIA,
John
RES: url redirection
Hi, I'm not completely sure about what you want, but you can redirect urls according to a given pattern between tomcat instances using jakarta connectors. Is that what you want? You can have further info here http://tomcat.apache.org/connectors-doc/ Yours, Marcus -Mensagem original- De: Melanie Pfefer [mailto:[EMAIL PROTECTED] Enviada em: quinta-feira, 27 de março de 2008 07:32 Para: users@tomcat.apache.org Assunto: url redirection Hi, I have 2 web apps deployed on 2 tomcat servers. How to redirect urls that contains 'jar' string from one app to another? http://zeus:8085/web/sec:jar:001 to http://zeus:8086/src/web:sec:jar:001 thanks __ Sent from Yahoo! Mail. More Ways to Keep in Touch. http://uk.docs.yahoo.com/nowyoucan.html - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: RES: Application context configuration datasources
You are not supposed to edit server.xml in order to make your pooled connections work. You do when its a connection pool shared by more than one application. How else do you create global resources? Anyway, all solved now. Looks like there was a context.xml from a previous build in the /conf/Catalina directory that wasn't deleted and it wasn't correct. messages suggest, I would you recomend you put your context.xml file inside a META-INF directory, as you mentioned. As a matter of an example, here is my context.xml file, which is stored inside my app META-INF directory and works fine (I'm using SQL server 2005): ?xml version=1.0 encoding=UTF-8? Context Resource name=jdbc/YourJdbcName auth=Container type=javax.sql.DataSource username=user password=pass driverClassName=net.sourceforge.jtds.jdbc.Driver url=jdbc:jtds:sqlserver://127.0.0.1:1433/YourDataBase;appName=Your App;socketTimeout=180;loginTimeout=10; maxActive=30 maxIdle=2 maxWait=60 removeAbandoned=true maxStatements=2147483647 removeAbandonedTimeout=200 validationQuery= SELECT 1 LogAbandoned=true / /Context Besides that, check whether your driver jar files are placed inside catalina_home/lib directory. Along with these files, you would also need commons-collections-3.2.jar, commons-dbutils-1.1.jar and commons-pool-1.3.jar inside that dir too, otherwise your pools won't work. The versions mentioned in the files are the latest ones, but I guess you can use the ones you have. If it still doesn't work, tell us... Yours, Marcus Milanez -Mensagem original- De: Charl Gerber [mailto:[EMAIL PROTECTED] Enviada em: quinta-feira, 27 de março de 2008 04:04 Para: Tomcat Users List Assunto: Re: Application context configuration datasources server.xml: GlobalNamingResources Resource name=jdbc/mydatasource auth=Container type=javax.sql.DataSource maxActive=16 maxIdle=8 maxWait=1 username=abc password=xyz driverClassName=com.mysql.jdbc.Driver url=jdbc:mysql://localhost/mydatabase?autoReconnect=true / /GlobalNamingResources As I said, if I move the META-INF/context.xml contents into my server.xml, then it works fine, but then I cannot use ant manager tasks to redeploy. I have also tried to put the driver jar into the application war. No luck. --- Sameer Acharya [EMAIL PROTECTED] wrote: Where is your Resource definition ? seems like the Driver class name and url is not defined. -Sameer --- Charl Gerber [EMAIL PROTECTED] wrote: I have 4 Tomcat environments for the same application: two development machines, 1 test and 1 production. Development machines are Windows 2000 and Vista, the others are linux. All 4 machines have Tomcat 6.0.14 installed. I really have problems getting the application properly deployed and configured. I have a global datasource configured in tomcat's server.xml and the mysql driver jar is in the /lib directory of tomcat. If I deploy the application by putting it in the webapps dir or using the ant manager tasks, I get this exception: Caused by: org.apache.tomcat.dbcp.dbcp.SQLNestedException: Cannot create JDBC driver of class '' for connect URL 'null' at org.apache.tomcat.dbcp.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1150) at org.apache.tomcat.dbcp.dbcp.BasicDataSource.getConnection(BasicDataSource.java:880) at org.hibernate.connection.DatasourceConnectionProvider.getConnection(DatasourceConnectionProvider.java:69) at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:423) ... 45 more If I copy the contents of the application's META-INF/context.xml into the server.xml, then the application and datasources loads fine, no problems. It looks something like: Context path=/myapp docBase=path_to_war debug=0 reloadable=false antiJARLocking=true antiResourceLocking=true crossContext=true ResourceLink name=jdbc/mydatasource global=jdbc/mydatasource type=javax.sql.DataSource / /Context (I then have a context.xml and the same part in the server.xml, but it doesn't seem to do harm) But then I cannot use the ant manager tasks to redeploy the application: C:\projects\myapp\build.xml:198: FAIL - Context /myapp is defined in server.xml and may not be undeployed On the test and production (linux) servers, its not that critical, as I do not do a lot of deployments. So there I have the
RES: RES: Application context configuration datasources
I've never used a pool shared by more than one app, so I'm not the best person to offer other options. In this case, you have to stop your server whenever you deploy a new version of your app? -Mensagem original- De: Charl Gerber [mailto:[EMAIL PROTECTED] Enviada em: quinta-feira, 27 de março de 2008 09:04 Para: Tomcat Users List Assunto: Re: RES: Application context configuration datasources You are not supposed to edit server.xml in order to make your pooled connections work. You do when its a connection pool shared by more than one application. How else do you create global resources? - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: RES: url redirection
Hi, thanks for your reply. what I want is to redirect http://zeus:8085/web/sec:jar:001 to http://zeus:8086/src/web:sec:jar:001 The first one is on apache the 2nd one is on tomcat thanks again --- Milanez, Marcus [EMAIL PROTECTED] wrote: Hi, I'm not completely sure about what you want, but you can redirect urls according to a given pattern between tomcat instances using jakarta connectors. Is that what you want? You can have further info here http://tomcat.apache.org/connectors-doc/ Yours, Marcus -Mensagem original- De: Melanie Pfefer [mailto:[EMAIL PROTECTED] Enviada em: quinta-feira, 27 de março de 2008 07:32 Para: users@tomcat.apache.org Assunto: url redirection Hi, I have 2 web apps deployed on 2 tomcat servers. How to redirect urls that contains 'jar' string from one app to another? http://zeus:8085/web/sec:jar:001 to http://zeus:8086/src/web:sec:jar:001 thanks __ Sent from Yahoo! Mail. More Ways to Keep in Touch. http://uk.docs.yahoo.com/nowyoucan.html - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] ___ Yahoo! For Good helps you make a difference http://uk.promotions.yahoo.com/forgood/ - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Solaris 10 Tomcat performance maxes out at 2 threads
From: Caldarale, Charles R [EMAIL PROTECTED] From: Caldarale, Charles R [EMAIL PROTECTED] From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Subject: Solaris 10 Tomcat performance maxes out at 2 threads We see throughput increase when we go from 1 client thread to 2 client threads, but when we run more than 2 threads we see no additional throughput. First off, does your client support more than two connections to the same server? If your client is an untweaked version of IE or Firefox, it doesn't. Secondly, you may well have some contended resource in your application that limits concurrency, such as number of data base connections, data base record locks, overly coarse synchronization, etc. Try profiling the app and see where threads are getting stuck. Also might try cranking up the number of concurrent client requests and running jstack (a JDK tool) against Tomcat to see where the request processing threads are sitting. 1. The client is a custom application that we can set to spawn threads according to a parameter that we set on the command line. I've kicked off up to 40 threads each with its own connection to Tomcat. 2. The application preloads data from its database upon start up. It does write information to our database on a per transaction basis, perhaps this is where resource contention is occurring. I agree that profiling is the next step. I have a poor understanding of how Tomcat spawns/manages threads. Perhaps I missed the appropriate documentation on this... Any clue to a good resource about thread management. From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Subject: RE: Solaris 10 Tomcat performance maxes out at 2 threads I have a poor understanding of how Tomcat spawns/manages threads. It's pretty simple, all under control of the attributes on the Connector elements in server.xml: http://tomcat.apache.org/tomcat-5.5-doc/config/http.html Each Connector maintains a pool of threads for servicing requests on that connection. When a request arrives, a thread from the pool is chosen (or created) and performs all the processing for that request, including calling whatever valves, filters, and servlets are in the chain. Once the request is finished, the thread returns to the pool. Look at the doc and the settings in server.xml for the limits on concurrency and number of idle threads. To tie up this thread: I had read the documentation referenced above, but given the apparent behavior I just kept imagining that there had to be more to it that the documentation indicated. I went so far as to purchase Tomcat - The Definitive Guide for Tomcat 6.0 and it reiterated the Apache information about thread activity... Your original question does your client support more than two connections to the same server? turned out to be the correct question to ask. I am working with a client who wrote a .Net test application to do a performance test / proof-of-concept with my application. The throughput would increase when went from 1 to 2 threads, but more threads would not give up any more throughput... Originally, not having access to their code - we did profiling on the server side and it indicated a lot of client time being spent. And when we profiled on the client side it showed a lot of server time being spent... I asked for the code to figure out what their test client was doing. As it turns out the default behavior of a .Net application is to set a default connection limit of 2?!?!? (I guess this explains why IE and Firefox default to 2 connections). Not being a .Net expert I didn't realize this - but when we did a netstat on the server it definitively showed only 2 connections from the client box to the server (no matter how many client threads were spawned!!!) Well there's your problem... Once we set the following parameter System.Net.ServicePointManager.DefaultConnectionLimit = 100; Everything was more or less happy, until we ran into a CPU capping issue on the Solaris machine, we were maxing out at 50% CPU capacity. This was easy to tweak and now we are more or less taking full advantage of the CPUs. Many thanks for your insights and help! John - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: RES: RES: Application context configuration datasources
I've never used a pool shared by more than one app, so I'm not the best person to offer other options. I've done it many times had had no problems in sharing resources like this. In this case, you have to stop your server whenever you deploy a new version of your app? No! You create a ResourceLink entry in your context.html. Then it links to the resource defined in server.xml. -Mensagem original- De: Charl Gerber [mailto:[EMAIL PROTECTED] Enviada em: quinta-feira, 27 de março de 2008 09:04 Para: Tomcat Users List Assunto: Re: RES: Application context configuration datasources You are not supposed to edit server.xml in order to make your pooled connections work. You do when its a connection pool shared by more than one application. How else do you create global resources? - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Solaris 10 Tomcat performance maxes out at 2 threads
Hi John, [EMAIL PROTECTED] wrote: As it turns out the default behavior of a .Net application is to set a default connection limit of 2?!?!? (I guess this explains why IE and Firefox default to 2 connections). Not being a .Net expert I didn't realize this - but when we did a netstat on the server it definitively showed only 2 connections from the client box to the server (no matter how many client threads were spawned!!!) Well there's your problem... This comes from a recommendation in the HTTP RFC, suggesting that well behaved client should not use more than two parallel connections to the same server. I guess that the intention is to get same fairness between different clients all sharing the same server ressources. Many of the available browser accelerators simply ignore this and tune the browser to use more threads. So if you use usual client technology to do http communication on the client side, it's common to run into this limitation. Once we set the following parameter System.Net.ServicePointManager.DefaultConnectionLimit = 100; Everything was more or less happy, until we ran into a CPU capping issue on the Solaris machine, we were maxing out at 50% CPU capacity. This was easy to tweak and now we are more or less taking full advantage of the CPUs. Many thanks for your insights and help! Thanks for letting us know the resolution. Regards, Rainer - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Solaris 10 Tomcat performance maxes out at 2 threads
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Subject: RE: Solaris 10 Tomcat performance maxes out at 2 threads As it turns out the default behavior of a .Net application is to set a default connection limit of 2?!?!? This is the limit recommended (not required) by the HTTP RFC for clients to play well with others. There's a registry setting controlling it for IE, and a corresponding about:config setting for Firefox. - Chuck THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY MATERIAL and is thus for use only by the intended recipient. If you received this in error, please contact the sender and delete the e-mail and its attachments from all computers. - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: errors on reload, fine on restart
John, what version of tomcat are you running. I'm running 6.0.14 I'm not
doing anything with paypal but I get the same exception at reploy time
and I have not issolated it:
{ERROR} startup.ContextConfig Parse error in application web.xml file
at
jndi:/localhost/WEB-INF/web.xml
java.lang.NullPointerException
at org.apache.xerces.framework.XMLParser.parse(XMLParser.java:)
jfk
-Original Message-
From: John Pedersen [mailto:[EMAIL PROTECTED]
Sent: Thursday, March 27, 2008 7:32 AM
To: users@tomcat.apache.org
Subject: errors on reload, fine on restart
Hi,
I have just got the PayPal NVP stuff working in my app, but getting it
to
work required adding quite a few jars that came with the download from
PayPal.
Trouble is, when I try to reload the app, I get a whole list of
exceptions
listed. If I restart Tomcat, the app runs fine. I have tried taking out
some
of the jars, but then PayPal doesn't work ( and doesn't necessarily
throw an
exception telling you has gone wrong!)
Can anyone suggest what might be happening. It isn't a show-stopper, but
it
is inconvenient.
Here is a list of the jars I have added:
activation.jar
bcmail-jdk14-128.jar
bcprov-jdk14-128.jar
commons-codec-1.3.jar
commons-discovery-0.2.jar
commons-httpclient-3.0.1.jar
commons-logging-1.0.4.jar
jaxrpc.jar
junit.jar
log4j-1.2.8.jar
log4j.properties
mailapi.jar
paypal_base.jar
paypal_junit.jar
saaj.jar
sax2.jar
xalan.jar
xerces.jar
xercesImpl.jar
xml-apis.jar
xpp3-1.1.3.4d_b4_min.jar
xstream-1.1.3.jar
And here are some of the errors:
{ERROR} startup.TldConfig Exception processing TLD
META-INF/spring-form.tldin JAR at resource path C:\Tomcat
6.0\webapps\ROOT\WEB-INF\lib\spring-webmvc.jar in context
java.lang.NullPointerException
at
org.apache.xerces.framework.XMLParser.parse(XMLParser.java:).
{ERROR} startup.TldConfig Exception processing TLD META-INF/spring.tld
in
JAR at resource path C:\Tomcat
6.0\webapps\ROOT\WEB-INF\lib\spring-webmvc.jar in context
java.lang.NullPointerException
at
org.apache.xerces.framework.XMLParser.parse(XMLParser.java:)
{ERROR} startup.TldConfig Exception processing TLD
META-INF/c-1_0-rt.tld in
JAR at resource path C:\Tomcat 6.0\webapps\ROOT\WEB-INF\lib\standard.jar
in
context
java.lang.NullPointerException
at
org.apache.xerces.framework.XMLParser.parse(XMLParser.java:)...
{ERROR} startup.TldConfig Exception processing TLD
META-INF/fmt-1_0-rt.tldin JAR at resource path C:\Tomcat
6.0\webapps\ROOT\WEB-INF\lib\standard.jar in context
java.lang.NullPointerException
at
org.apache.xerces.framework.XMLParser.parse(XMLParser.java:)...
etc for all the tld files hidden within the jar files
plus
{ERROR} startup.ContextConfig Parse error in default web.xml
java.lang.NullPointerException
at org.apache.xerces.framework.XMLParser.parse(XMLParser.java:)
{ERROR} startup.ContextConfig Parse error in application web.xml file
at
jndi:/localhost/WEB-INF/web.xml
java.lang.NullPointerException
at org.apache.xerces.framework.XMLParser.parse(XMLParser.java:)
TIA,
John
-
To start a new topic, e-mail: users@tomcat.apache.org
To unsubscribe, e-mail: [EMAIL PROTECTED]
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Re: errors on reload, fine on restart
I am using 6.0.13 - so it looks like swapping to 6.0.14 won't help!
On 27/03/2008, Katilie, John [EMAIL PROTECTED] wrote:
John, what version of tomcat are you running. I'm running 6.0.14 I'm not
doing anything with paypal but I get the same exception at reploy time
and I have not issolated it:
{ERROR} startup.ContextConfig Parse error in application web.xml file
at
jndi:/localhost/WEB-INF/web.xml
java.lang.NullPointerException
at org.apache.xerces.framework.XMLParser.parse(XMLParser.java:)
jfk
-Original Message-
From: John Pedersen [mailto:[EMAIL PROTECTED]
Sent: Thursday, March 27, 2008 7:32 AM
To: users@tomcat.apache.org
Subject: errors on reload, fine on restart
Hi,
I have just got the PayPal NVP stuff working in my app, but getting it
to
work required adding quite a few jars that came with the download from
PayPal.
Trouble is, when I try to reload the app, I get a whole list of
exceptions
listed. If I restart Tomcat, the app runs fine. I have tried taking out
some
of the jars, but then PayPal doesn't work ( and doesn't necessarily
throw an
exception telling you has gone wrong!)
Can anyone suggest what might be happening. It isn't a show-stopper, but
it
is inconvenient.
Here is a list of the jars I have added:
activation.jar
bcmail-jdk14-128.jar
bcprov-jdk14-128.jar
commons-codec-1.3.jar
commons-discovery-0.2.jar
commons-httpclient-3.0.1.jar
commons-logging-1.0.4.jar
jaxrpc.jar
junit.jar
log4j-1.2.8.jar
log4j.properties
mailapi.jar
paypal_base.jar
paypal_junit.jar
saaj.jar
sax2.jar
xalan.jar
xerces.jar
xercesImpl.jar
xml-apis.jar
xpp3-1.1.3.4d_b4_min.jar
xstream-1.1.3.jar
And here are some of the errors:
{ERROR} startup.TldConfig Exception processing TLD
META-INF/spring-form.tldin JAR at resource path C:\Tomcat
6.0\webapps\ROOT\WEB-INF\lib\spring-webmvc.jar in context
java.lang.NullPointerException
at
org.apache.xerces.framework.XMLParser.parse(XMLParser.java:).
{ERROR} startup.TldConfig Exception processing TLD META-INF/spring.tld
in
JAR at resource path C:\Tomcat
6.0\webapps\ROOT\WEB-INF\lib\spring-webmvc.jar in context
java.lang.NullPointerException
at
org.apache.xerces.framework.XMLParser.parse(XMLParser.java:)
{ERROR} startup.TldConfig Exception processing TLD
META-INF/c-1_0-rt.tld in
JAR at resource path C:\Tomcat 6.0\webapps\ROOT\WEB-INF\lib\standard.jar
in
context
java.lang.NullPointerException
at
org.apache.xerces.framework.XMLParser.parse(XMLParser.java:)...
{ERROR} startup.TldConfig Exception processing TLD
META-INF/fmt-1_0-rt.tldin JAR at resource path C:\Tomcat
6.0\webapps\ROOT\WEB-INF\lib\standard.jar in context
java.lang.NullPointerException
at
org.apache.xerces.framework.XMLParser.parse(XMLParser.java:)...
etc for all the tld files hidden within the jar files
plus
{ERROR} startup.ContextConfig Parse error in default web.xml
java.lang.NullPointerException
at org.apache.xerces.framework.XMLParser.parse(XMLParser.java:)
{ERROR} startup.ContextConfig Parse error in application web.xml file
at
jndi:/localhost/WEB-INF/web.xml
java.lang.NullPointerException
at org.apache.xerces.framework.XMLParser.parse(XMLParser.java:)
TIA,
John
unable to locate package in 5.5 source
Hi Group, We are in process of upgrading from tomcat 5.0 to tomcat 5.5. We build our= tomcat binaries from main source with some updations. During our investigation, we have not been able to find= org.apache.coyote.tomcat5 in Tomcat 5.5 source which is present in= package of Tomcat 5.0 under= jakarta-tomcat-5.0.28-src\jakarta-tomcat-catalina\catalina\src\share\org\apache\coyote\tomcat5. Infact some package have been restructured. Can you suggest how to go for using same package with tomcat 5.5? Any other= package/jars can be used here?? Also at= http://tomcat.apache.org/tomcat-5.5-doc/architecture/startup/serverStartup.txt (tomcat 5 startup process), in step b3 its tells abt using= org.apache.coyote.tomcat5.CoyoteConnector package i.e for Connectors to= listen for incoming requests only. Is this from same tomcat5 package? Can you help in more details on this? regards, Raminder Singh CAUTION - Disclaimer * This e-mail contains PRIVILEGED AND CONFIDENTIAL INFORMATION intended solely for the use of the addressee(s). If you are not the intended recipient, please notify the sender by e-mail and delete the original message. Further, you are not to copy, disclose, or distribute this e-mail or its contents to any other person and any such actions are unlawful. This e-mail may contain viruses. Infosys has taken every reasonable precaution to minimize this risk, but is not liable for any damage you may sustain as a result of any virus in this e-mail. You should carry out your own virus checks before opening the e-mail or attachment. Infosys reserves the right to monitor and review the content of all messages sent to or from this e-mail address. Messages sent to or from this e-mail address may be stored on the Infosys e-mail system. ***INFOSYS End of Disclaimer INFOSYS***
Re: RES: url redirection
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Melanie, Melanie Pfefer wrote: | thanks for your reply. what I want is to redirect | | http://zeus:8085/web/sec:jar:001 | | to | | | http://zeus:8086/src/web:sec:jar:001 | | The first one is on apache | the 2nd one is on tomcat If you are using apache, you should check the RedirectMatch directive. You can use it to send redirects for certain regular expressions, and use back-references for the redirected URL. I think this is exactly what you want. - -chris -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.8 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iEYEARECAAYFAkfruW0ACgkQ9CaO5/Lv0PDwfACcCZSm5CPDohwsupHtVM0ogqon pZQAniWoQ55YanvgWWaKNcaaP4JRVtB3 =h+Hk -END PGP SIGNATURE- - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: RES: url redirection
Melanie are you using FreeBSD or OpenBSD? I am going back a bit but I remember using Zeus on OpenBSD. The way I set up clustering recently was through a workers.properties file which I stored in the apache/conf subdirectory. To start with you have to make sure all the prerequisites are in place. If you are using a version of Apache that supports it you need to DSO the mod_jk module into this (if you haven't done this already) with ./configure --with-apxs=/usr/local/apache/bin/apxs. This won't work unless you have mod_ssl installed !make sure the version you have supports it!. For example if you are using an APACI version, you may face problems. If you do have mod_ssl installed and are witnessing problems note the error whilst trying to launch Apache. I witnessed numerous errors whilst trying to build 1.3.39, 1.3.4, 2.0.x 2.2.x this way. - Original Message - From: Melanie Pfefer [EMAIL PROTECTED] To: Tomcat Users List users@tomcat.apache.org Sent: Thursday, March 27, 2008 12:31 PM Subject: Re: RES: url redirection Hi, thanks for your reply. what I want is to redirect http://zeus:8085/web/sec:jar:001 to http://zeus:8086/src/web:sec:jar:001 The first one is on apache the 2nd one is on tomcat thanks again --- Milanez, Marcus [EMAIL PROTECTED] wrote: Hi, I'm not completely sure about what you want, but you can redirect urls according to a given pattern between tomcat instances using jakarta connectors. Is that what you want? You can have further info here http://tomcat.apache.org/connectors-doc/ Yours, Marcus -Mensagem original- De: Melanie Pfefer [mailto:[EMAIL PROTECTED] Enviada em: quinta-feira, 27 de março de 2008 07:32 Para: users@tomcat.apache.org Assunto: url redirection Hi, I have 2 web apps deployed on 2 tomcat servers. How to redirect urls that contains 'jar' string from one app to another? http://zeus:8085/web/sec:jar:001 to http://zeus:8086/src/web:sec:jar:001 thanks __ Sent from Yahoo! Mail. More Ways to Keep in Touch. http://uk.docs.yahoo.com/nowyoucan.html - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] ___ Yahoo! For Good helps you make a difference http://uk.promotions.yahoo.com/forgood/ - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: RES: url redirection
Hello Actually I was able to define a rewrite rule in apache: RewriteRule ^/(.*web:jar.*) http://zeus:8086/src/$1 [R=301,L] now http://zeus/web:jar:001 redirects to http://zeus:8086/src/web:jar:001 But if I tried to change the flag to P (proxy) in httpd.conf the apache error file gives: [Thu Mar 27 17:18:58 2008] [error] [client 172.21.194.71] File does not exist: /usr/local/apache2/htdocs/src, referer: http://zeus/web:jar:001 the tomcat gives: Your request is: http://zeus:8086/src/web:jar:001 Patj info is: web:jar:001 Session (1A578677550D1A75793540B152A8D6B6) has been added to the list of valid Sessions MY path info in treeview is: web:jar:001 I suspect I should something on tomcat to all this operation. right? I am using Solaris 10 - apache 2.2.4 and tomcat 6 --- ChrisS [EMAIL PROTECTED] wrote: Melanie are you using FreeBSD or OpenBSD? I am going back a bit but I remember using Zeus on OpenBSD. The way I set up clustering recently was through a workers.properties file which I stored in the apache/conf subdirectory. To start with you have to make sure all the prerequisites are in place. If you are using a version of Apache that supports it you need to DSO the mod_jk module into this (if you haven't done this already) with ./configure --with-apxs=/usr/local/apache/bin/apxs. This won't work unless you have mod_ssl installed !make sure the version you have supports it!. For example if you are using an APACI version, you may face problems. If you do have mod_ssl installed and are witnessing problems note the error whilst trying to launch Apache. I witnessed numerous errors whilst trying to build 1.3.39, 1.3.4, 2.0.x 2.2.x this way. - Original Message - From: Melanie Pfefer [EMAIL PROTECTED] To: Tomcat Users List users@tomcat.apache.org Sent: Thursday, March 27, 2008 12:31 PM Subject: Re: RES: url redirection Hi, thanks for your reply. what I want is to redirect http://zeus:8085/web/sec:jar:001 to http://zeus:8086/src/web:sec:jar:001 The first one is on apache the 2nd one is on tomcat thanks again --- Milanez, Marcus [EMAIL PROTECTED] wrote: Hi, I'm not completely sure about what you want, but you can redirect urls according to a given pattern between tomcat instances using jakarta connectors. Is that what you want? You can have further info here http://tomcat.apache.org/connectors-doc/ Yours, Marcus -Mensagem original- De: Melanie Pfefer [mailto:[EMAIL PROTECTED] Enviada em: quinta-feira, 27 de março de 2008 07:32 Para: users@tomcat.apache.org Assunto: url redirection Hi, I have 2 web apps deployed on 2 tomcat servers. How to redirect urls that contains 'jar' string from one app to another? http://zeus:8085/web/sec:jar:001 to http://zeus:8086/src/web:sec:jar:001 thanks __ Sent from Yahoo! Mail. More Ways to Keep in Touch. http://uk.docs.yahoo.com/nowyoucan.html - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] ___ Yahoo! For Good helps you make a difference http://uk.promotions.yahoo.com/forgood/ - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] __ Sent from Yahoo! Mail. More Ways to Keep in Touch. http://uk.docs.yahoo.com/nowyoucan.html - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: errors on reload, fine on restart
6.0.16 is available and I've been meaning to upgrade to that when I have
time. Good luck. jfk
-Original Message-
From: John Pedersen [mailto:[EMAIL PROTECTED]
Sent: Thursday, March 27, 2008 10:27 AM
To: Tomcat Users List
Subject: Re: errors on reload, fine on restart
I am using 6.0.13 - so it looks like swapping to 6.0.14 won't help!
On 27/03/2008, Katilie, John [EMAIL PROTECTED] wrote:
John, what version of tomcat are you running. I'm running 6.0.14 I'm
not
doing anything with paypal but I get the same exception at reploy time
and I have not issolated it:
{ERROR} startup.ContextConfig Parse error in application web.xml file
at
jndi:/localhost/WEB-INF/web.xml
java.lang.NullPointerException
at
org.apache.xerces.framework.XMLParser.parse(XMLParser.java:)
jfk
-Original Message-
From: John Pedersen [mailto:[EMAIL PROTECTED]
Sent: Thursday, March 27, 2008 7:32 AM
To: users@tomcat.apache.org
Subject: errors on reload, fine on restart
Hi,
I have just got the PayPal NVP stuff working in my app, but getting it
to
work required adding quite a few jars that came with the download from
PayPal.
Trouble is, when I try to reload the app, I get a whole list of
exceptions
listed. If I restart Tomcat, the app runs fine. I have tried taking
out
some
of the jars, but then PayPal doesn't work ( and doesn't necessarily
throw an
exception telling you has gone wrong!)
Can anyone suggest what might be happening. It isn't a show-stopper,
but
it
is inconvenient.
Here is a list of the jars I have added:
activation.jar
bcmail-jdk14-128.jar
bcprov-jdk14-128.jar
commons-codec-1.3.jar
commons-discovery-0.2.jar
commons-httpclient-3.0.1.jar
commons-logging-1.0.4.jar
jaxrpc.jar
junit.jar
log4j-1.2.8.jar
log4j.properties
mailapi.jar
paypal_base.jar
paypal_junit.jar
saaj.jar
sax2.jar
xalan.jar
xerces.jar
xercesImpl.jar
xml-apis.jar
xpp3-1.1.3.4d_b4_min.jar
xstream-1.1.3.jar
And here are some of the errors:
{ERROR} startup.TldConfig Exception processing TLD
META-INF/spring-form.tldin JAR at resource path C:\Tomcat
6.0\webapps\ROOT\WEB-INF\lib\spring-webmvc.jar in context
java.lang.NullPointerException
at
org.apache.xerces.framework.XMLParser.parse(XMLParser.java:).
{ERROR} startup.TldConfig Exception processing TLD
META-INF/spring.tld
in
JAR at resource path C:\Tomcat
6.0\webapps\ROOT\WEB-INF\lib\spring-webmvc.jar in context
java.lang.NullPointerException
at
org.apache.xerces.framework.XMLParser.parse(XMLParser.java:)
{ERROR} startup.TldConfig Exception processing TLD
META-INF/c-1_0-rt.tld in
JAR at resource path C:\Tomcat
6.0\webapps\ROOT\WEB-INF\lib\standard.jar
in
context
java.lang.NullPointerException
at
org.apache.xerces.framework.XMLParser.parse(XMLParser.java:)...
{ERROR} startup.TldConfig Exception processing TLD
META-INF/fmt-1_0-rt.tldin JAR at resource path C:\Tomcat
6.0\webapps\ROOT\WEB-INF\lib\standard.jar in context
java.lang.NullPointerException
at
org.apache.xerces.framework.XMLParser.parse(XMLParser.java:)...
etc for all the tld files hidden within the jar files
plus
{ERROR} startup.ContextConfig Parse error in default web.xml
java.lang.NullPointerException
at
org.apache.xerces.framework.XMLParser.parse(XMLParser.java:)
{ERROR} startup.ContextConfig Parse error in application web.xml file
at
jndi:/localhost/WEB-INF/web.xml
java.lang.NullPointerException
at
org.apache.xerces.framework.XMLParser.parse(XMLParser.java:)
TIA,
John
-
To start a new topic, e-mail: users@tomcat.apache.org
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
Re: RES: url redirection
I worked with Solaris 10's apache and found that I had to download the apache source code eventually and rebuild it myself. I found a few bugs in 2.2.8's configure scripts, what I am using now but I got it to work, if you are up for it I could help out! I never used the P proxy flag in httpd.conf, I used jk_mod.1.2.6 (but this is jk_mod.1.2.7 really) then to get apache to communicate with the tomcat nodes I set up a worker file included it in httpd.conf, that with the jk_mod included in httpd's module section and I was accessing Tomcat through two worker ports set up in apache. Is this what you are trying to do? Chris S - Original Message - From: Melanie Pfefer [EMAIL PROTECTED] To: Tomcat Users List users@tomcat.apache.org Sent: Thursday, March 27, 2008 4:23 PM Subject: Re: RES: url redirection Hello Actually I was able to define a rewrite rule in apache: RewriteRule ^/(.*web:jar.*) http://zeus:8086/src/$1 [R=301,L] now http://zeus/web:jar:001 redirects to http://zeus:8086/src/web:jar:001 But if I tried to change the flag to P (proxy) in httpd.conf the apache error file gives: [Thu Mar 27 17:18:58 2008] [error] [client 172.21.194.71] File does not exist: /usr/local/apache2/htdocs/src, referer: http://zeus/web:jar:001 the tomcat gives: Your request is: http://zeus:8086/src/web:jar:001 Patj info is: web:jar:001 Session (1A578677550D1A75793540B152A8D6B6) has been added to the list of valid Sessions MY path info in treeview is: web:jar:001 I suspect I should something on tomcat to all this operation. right? I am using Solaris 10 - apache 2.2.4 and tomcat 6 --- ChrisS [EMAIL PROTECTED] wrote: Melanie are you using FreeBSD or OpenBSD? I am going back a bit but I remember using Zeus on OpenBSD. The way I set up clustering recently was through a workers.properties file which I stored in the apache/conf subdirectory. To start with you have to make sure all the prerequisites are in place. If you are using a version of Apache that supports it you need to DSO the mod_jk module into this (if you haven't done this already) with ./configure --with-apxs=/usr/local/apache/bin/apxs. This won't work unless you have mod_ssl installed !make sure the version you have supports it!. For example if you are using an APACI version, you may face problems. If you do have mod_ssl installed and are witnessing problems note the error whilst trying to launch Apache. I witnessed numerous errors whilst trying to build 1.3.39, 1.3.4, 2.0.x 2.2.x this way. - Original Message - From: Melanie Pfefer [EMAIL PROTECTED] To: Tomcat Users List users@tomcat.apache.org Sent: Thursday, March 27, 2008 12:31 PM Subject: Re: RES: url redirection Hi, thanks for your reply. what I want is to redirect http://zeus:8085/web/sec:jar:001 to http://zeus:8086/src/web:sec:jar:001 The first one is on apache the 2nd one is on tomcat thanks again --- Milanez, Marcus [EMAIL PROTECTED] wrote: Hi, I'm not completely sure about what you want, but you can redirect urls according to a given pattern between tomcat instances using jakarta connectors. Is that what you want? You can have further info here http://tomcat.apache.org/connectors-doc/ Yours, Marcus -Mensagem original- De: Melanie Pfefer [mailto:[EMAIL PROTECTED] Enviada em: quinta-feira, 27 de março de 2008 07:32 Para: users@tomcat.apache.org Assunto: url redirection Hi, I have 2 web apps deployed on 2 tomcat servers. How to redirect urls that contains 'jar' string from one app to another? http://zeus:8085/web/sec:jar:001 to http://zeus:8086/src/web:sec:jar:001 thanks __ Sent from Yahoo! Mail. More Ways to Keep in Touch. http://uk.docs.yahoo.com/nowyoucan.html - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] ___ Yahoo! For Good helps you make a difference http://uk.promotions.yahoo.com/forgood/ - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] __ Sent from Yahoo! Mail. More Ways
Memory leak in Tomcat 5.5.16
Hi, I have a Java application that exposes a web services (SOAP/XML) interface using Apache Tomcat and Axis2 (see detailed background below). When this interface is heavily utilized, the application gradually leaks old space memory until it runs out. I have analyzed the heap usage on a system where this memory leak has occurred, and I see that the following classes take up most of the memory: SizeCount Class description --- 433059616 557692 char[] 292410472 124245 byte[] 1780156087232 * ConstMethodKlass 16543576295421 org.apache.tomcat.util.buf.MessageBytes 15600840390021 org.apache.tomcat.util.buf.ByteChunk 13372920334323 org.apache.tomcat.util.buf.CharChunk 11575656482319 java.lang.String Does anyone know what could trigger the above classes to be leaked in Tomcat 5.5.16? I have also tried upgrading to Tomcat 5.5.26, but the problem still occurs. This is very similar to a memory leak posted to this list in 2006, but I can't find what the resolution was in that case: http://readlist.com/lists/tomcat.apache.org/users/5/27073.html I have also consulted http://wiki.apache.org/tomcat/OutOfMemory but couldn't find the solution. The problem only seems to occur when multiple concurrent requests are being received - if I issue requests in a single threaded manner, the server can handle many hundreds of thousands of requests over an extended period without any apparent memory leakage. But if multiple requests are sent concurrently, the application leaks about 1MB per 100 requests. Here are the details of the application: OS: Solaris 10 (Intel) JRE: 1.5.0_07, launched from native C code (not the Java executable) Tomcat: 5.5.16, embedded within my Java application Axis2: 1.3 Thanks in advance for any help. Tom. - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: RES: url redirection
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Melanie, Melanie Pfefer wrote: | Hello | Actually I was able to define a rewrite rule in | apache: | | RewriteRule ^/(.*web:jar.*) http://zeus:8086/src/$1 | [R=301,L] Aah, mod_rewrite: the chainsaw of httpd configuration. I personally think RedirectMatch is a lot cleaner. mod_rewrite is very heavy (because it can do so many different things). But hey... whatever works. - -chris -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.8 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iEYEARECAAYFAkfr3akACgkQ9CaO5/Lv0PA0AgCfa3z0uq7gPkXEAuLmVnbkFVGb s8MAn3RlP9NOVjBB8YUV8hepJx6r5JnG =SD08 -END PGP SIGNATURE- - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Checking tomcat metrics in a non-intrusive way
Hi Charles, Thanks for the reply. JMeter doesn't help me here because the response time includes network time. The reason I'm looking into the tomcat API is because i want a way to query tomcat for the numbers. So, the metrics I am after are: 1) How much time was spend in tomcat? no network 2) How much time was spend on the servlet? 3) What is the overall average response time for a request when there are X number of users active? Caldarale, Charles R wrote: From: wicket0123 [mailto:[EMAIL PROTECTED] Subject: Checking tomcat metrics in a non-intrusive way I want to check tomcat response time for requests when I run, say 500 concurrent users, on the server. Any measurements made within Tomcat itself are going to have some effect on performance. If all you want are response times, do that on the client side, running on the same LAN segment as the Tomcat server (or even on the same machine if you have CPU cores to spare). Take a look at JMeter to see if it will do what you want: http://jakarta.apache.org/jmeter/ - Chuck THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY MATERIAL and is thus for use only by the intended recipient. If you received this in error, please contact the sender and delete the e-mail and its attachments from all computers. - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] -- View this message in context: http://www.nabble.com/Checking-tomcat-metrics-in-a-non-intrusive-way-tp16319903p16329489.html Sent from the Tomcat - User mailing list archive at Nabble.com. - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Memory leak in Tomcat 5.5.16
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Tom, Tom Price wrote: | I have analyzed the heap usage on a | system where this memory leak has occurred, and I see that the following | classes take up most of the memory: [snip] | Does anyone know what could trigger the above classes to be leaked in | Tomcat 5.5.16? I have also tried upgrading to Tomcat 5.5.26, but the | problem still occurs. Not to dismiss your problem, but these kinds of things tend to be problems with the application rather than problems with Tomcat. Are you able to use a profiler that can tell you where the object allocations are actually occurring? It's not unusual to have a ton of byte[] objects, char[] objects, String objects, and Class objects. I'm guessing that the MessageBytes, ByteChunk, and CharChunk objects in your heap summary are all related to the byte[], char[], and String objects you can see there as well. Have you been able to compare the numbers of those objects after, say, 100 requests with the same object counts after, say, 1 requests? It /is/ possible that Tomcat is leaking memory per connection, but very unlikely given that thousands of servers are humming along quite nicely without such problems. It's also possible that Axis itself is doing some type of caching or actually leaking memory somehow, but I also doubt that it does. The only really good way to figure out what's happening is to instrument your JVM and then test the hell out of it. Use JMeter to generate load (serial or concurrent) and observe the heap, etc. You might even try to disable some of the SOAP methods you are testing to see if this leak only occurs with certain calls, or combinations of calls. Good luck, - -chris -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.8 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iEYEARECAAYFAkfr32wACgkQ9CaO5/Lv0PB5hACfY4Q88EAqc6ecvgOXKPwS3xtA ufMAn3tSIziYrq8sNcw2CzTnw08rOoqF =EgBf -END PGP SIGNATURE- - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Checking tomcat metrics in a non-intrusive way
From: wicket0123 [mailto:[EMAIL PROTECTED] Subject: RE: Checking tomcat metrics in a non-intrusive way JMeter doesn't help me here because the response time includes network time. Which is exactly why I suggested running JMeter on the same LAN segment, if not the same machine. In such a situation, the network overhead is pretty much a constant that can be empirically determined and subtracted out of the Tomcat response times. Note that you will not be able to differentiate between time spent in Tomcat itself vs user webapp code without running a profiler, and that will significantly impact the measurements. - Chuck THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY MATERIAL and is thus for use only by the intended recipient. If you received this in error, please contact the sender and delete the e-mail and its attachments from all computers. - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Checking tomcat metrics in a non-intrusive way
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Wicket, wicket0123 wrote: | Hi Charles, | Thanks for the reply. JMeter doesn't help me here because the response | time includes network time. The reason I'm looking into the tomcat API is | because i want a way to query tomcat for the numbers. So, the metrics I am | after are: | | 1) How much time was spend in tomcat? no network You can't get this information without a real profiler, which will, of course, interfere with performance. | 2) How much time was spend on the servlet? The best you can do, here, is to write yourself a Filter (or Valve, I suppose) and simply take timestamps. As with all instrumentation, taking samples takes time. Rest assured that reading the system clock is /very/ fast. ;) I suppose if you know the total response time and the servlet time, you could simply subtract the servlet time to see how much Tomcat overhead is in there. Does it really matter? | 3) What is the overall average response time for a request when there are X | number of users active? To me, this all comes down to /useful/ metrics. For instance: who cares what the response time is on the server for a single request? Nobody, that's who. This last metric is the only useful one you've requested, and I would argue that you ought to do it over a network (even if it's a local one). All users will be remote. Why artificially lower your response times when everyone will have /at least/ the overhead of going over a local network segment? Unfortunately, your choices are: - - instrument your server and get inaccurate, but fine-grained data - - instrument your client and get accurate, but somewhat coarser data Just my two and a half cents (US dollar really sucks these days), - -chris -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.8 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iEYEARECAAYFAkfr4RMACgkQ9CaO5/Lv0PCYHQCfa+hDE77eSM476JmIqVpv2/ed 3DgAoKQEvRO7KJOp3swJ21sMwjAcHOX7 =2q9H -END PGP SIGNATURE- - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Checking tomcat metrics in a non-intrusive way
From: Christopher Schultz [mailto:[EMAIL PROTECTED] Subject: Re: Checking tomcat metrics in a non-intrusive way Rest assured that reading the system clock is /very/ fast. ;) Well... not always, these days. On multi-socket systems, if the system architecture guarantees that timestamps are monotonically increasing regardless of which CPU checks the time, there may actually be significant bus traffic to insure that kind of result every time the clock is read. There's a future Intel chip architecture which should eliminate the problem (don't remember the time frame), and it's not an issue on single socket boxes (and not much of one on dual sockets). - Chuck THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY MATERIAL and is thus for use only by the intended recipient. If you received this in error, please contact the sender and delete the e-mail and its attachments from all computers. - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Memory leak in Tomcat 5.5.16
try to disable the cache in conf/catalina.properties, at the bottom there is a setting you can set to false tomcat.util.buf.StringCache.byte.enabled=true if the problem still exists, use jmap to dump the heap, and analyse the actual dependencies for mem usage Filip Tom Price wrote: Hi, I have a Java application that exposes a web services (SOAP/XML) interface using Apache Tomcat and Axis2 (see detailed background below). When this interface is heavily utilized, the application gradually leaks old space memory until it runs out. I have analyzed the heap usage on a system where this memory leak has occurred, and I see that the following classes take up most of the memory: SizeCount Class description --- 433059616 557692 char[] 292410472 124245 byte[] 1780156087232 * ConstMethodKlass 16543576295421 org.apache.tomcat.util.buf.MessageBytes 15600840390021 org.apache.tomcat.util.buf.ByteChunk 13372920334323 org.apache.tomcat.util.buf.CharChunk 11575656482319 java.lang.String Does anyone know what could trigger the above classes to be leaked in Tomcat 5.5.16? I have also tried upgrading to Tomcat 5.5.26, but the problem still occurs. This is very similar to a memory leak posted to this list in 2006, but I can't find what the resolution was in that case: http://readlist.com/lists/tomcat.apache.org/users/5/27073.html I have also consulted http://wiki.apache.org/tomcat/OutOfMemory but couldn't find the solution. The problem only seems to occur when multiple concurrent requests are being received - if I issue requests in a single threaded manner, the server can handle many hundreds of thousands of requests over an extended period without any apparent memory leakage. But if multiple requests are sent concurrently, the application leaks about 1MB per 100 requests. Here are the details of the application: OS: Solaris 10 (Intel) JRE: 1.5.0_07, launched from native C code (not the Java executable) Tomcat: 5.5.16, embedded within my Java application Axis2: 1.3 Thanks in advance for any help. Tom. - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
How to access AJP Queue through JMX
Hi, I am trying to find a way to access AJP Queue through JMX or any other way possible. I am using Tomcat 5.5.20 and I have clusters configured. I want to know whether the AJP Queue is full or not. Appreciate if anyone has any idea how to go about. Thanks Sri -- View this message in context: http://www.nabble.com/How-to-access-AJP-Queue-through-JMX-tp16330160p16330160.html Sent from the Tomcat - User mailing list archive at Nabble.com. - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: unable to locate package in 5.5 source
Raminder Singh wrote We are in process of upgrading from tomcat 5.0 to tomcat 5.5. We build our= tomcat binaries from main source with some updations. During our investigation, we have not been able to find= org.apache.coyote.tomcat5 in Tomcat 5.5 source which is present in= package of Tomcat 5.0 under= jakarta-tomcat-5.0.28-src\jakarta-tomcat-catalina\catalina\src\share\org\apache\coyote\tomcat5. Infact some package have been restructured. Can you suggest how to go for using same package with tomcat 5.5? Any other= package/jars can be used here?? From memory that code will now be in org.apache.coyote or org.apache.catalina.connectors http://tomcat.apache.org/tomcat-5.5-doc/architecture/startup/serverStartup.txt (tomcat 5 startup process), in step b3 its tells abt using= org.apache.coyote.tomcat5.CoyoteConnector package i.e for Connectors to= listen for incoming requests only. Is this from same tomcat5 package? That is horribly out of date. Mark - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: RES: url redirection
all I want is to redirect from apache to tomcat. That I was able to do using rewrite rule however, I want the redirection to be transparent (no changes in url) so i thought of using P flag. if ur method can do this please share how to do it. thanks --- ChrisS [EMAIL PROTECTED] wrote: I worked with Solaris 10's apache and found that I had to download the apache source code eventually and rebuild it myself. I found a few bugs in 2.2.8's configure scripts, what I am using now but I got it to work, if you are up for it I could help out! I never used the P proxy flag in httpd.conf, I used jk_mod.1.2.6 (but this is jk_mod.1.2.7 really) then to get apache to communicate with the tomcat nodes I set up a worker file included it in httpd.conf, that with the jk_mod included in httpd's module section and I was accessing Tomcat through two worker ports set up in apache. Is this what you are trying to do? Chris S - Original Message - From: Melanie Pfefer [EMAIL PROTECTED] To: Tomcat Users List users@tomcat.apache.org Sent: Thursday, March 27, 2008 4:23 PM Subject: Re: RES: url redirection Hello Actually I was able to define a rewrite rule in apache: RewriteRule ^/(.*web:jar.*) http://zeus:8086/src/$1 [R=301,L] now http://zeus/web:jar:001 redirects to http://zeus:8086/src/web:jar:001 But if I tried to change the flag to P (proxy) in httpd.conf the apache error file gives: [Thu Mar 27 17:18:58 2008] [error] [client 172.21.194.71] File does not exist: /usr/local/apache2/htdocs/src, referer: http://zeus/web:jar:001 the tomcat gives: Your request is: http://zeus:8086/src/web:jar:001 Patj info is: web:jar:001 Session (1A578677550D1A75793540B152A8D6B6) has been added to the list of valid Sessions MY path info in treeview is: web:jar:001 I suspect I should something on tomcat to all this operation. right? I am using Solaris 10 - apache 2.2.4 and tomcat 6 --- ChrisS [EMAIL PROTECTED] wrote: Melanie are you using FreeBSD or OpenBSD? I am going back a bit but I remember using Zeus on OpenBSD. The way I set up clustering recently was through a workers.properties file which I stored in the apache/conf subdirectory. To start with you have to make sure all the prerequisites are in place. If you are using a version of Apache that supports it you need to DSO the mod_jk module into this (if you haven't done this already) with ./configure --with-apxs=/usr/local/apache/bin/apxs. This won't work unless you have mod_ssl installed !make sure the version you have supports it!. For example if you are using an APACI version, you may face problems. If you do have mod_ssl installed and are witnessing problems note the error whilst trying to launch Apache. I witnessed numerous errors whilst trying to build 1.3.39, 1.3.4, 2.0.x 2.2.x this way. - Original Message - From: Melanie Pfefer [EMAIL PROTECTED] To: Tomcat Users List users@tomcat.apache.org Sent: Thursday, March 27, 2008 12:31 PM Subject: Re: RES: url redirection Hi, thanks for your reply. what I want is to redirect http://zeus:8085/web/sec:jar:001 to http://zeus:8086/src/web:sec:jar:001 The first one is on apache the 2nd one is on tomcat thanks again --- Milanez, Marcus [EMAIL PROTECTED] wrote: Hi, I'm not completely sure about what you want, but you can redirect urls according to a given pattern between tomcat instances using jakarta connectors. Is that what you want? You can have further info here http://tomcat.apache.org/connectors-doc/ Yours, Marcus -Mensagem original- De: Melanie Pfefer [mailto:[EMAIL PROTECTED] Enviada em: quinta-feira, 27 de março de 2008 07:32 Para: users@tomcat.apache.org Assunto: url redirection Hi, I have 2 web apps deployed on 2 tomcat servers. How to redirect urls that contains 'jar' string from one app to another? http://zeus:8085/web/sec:jar:001 to http://zeus:8086/src/web:sec:jar:001 thanks __ Sent from Yahoo! Mail. More Ways to Keep in Touch. http://uk.docs.yahoo.com/nowyoucan.html - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To start a new topic, e-mail: === message truncated === __ Sent from Yahoo! Mail. More Ways to Keep in Touch. http://uk.docs.yahoo.com/nowyoucan.html
How to access AJP Queue through JMX or any other possible way
Hi, I am trying to find a way to access AJP Queue through JMX. If it is possible with JMX or any other way let me know. I am using Tomcat 5.5.20 and I have clusters configured. I want to know whether the AJP Queue is full or not. Appreciate if anyone has any idea how to go about. Thanks Sri
Re: RES: url redirection
Melanie Pfefer schrieb: all I want is to redirect from apache to tomcat. That I was able to do using rewrite rule however, I want the redirection to be transparent (no changes in url) so i thought of using P flag. We should get terminology straight: - redirect: change the URL and sent a 30X response back to the browser, indicating that the browser should instead make a new request to this changed URL. Browsers will handle redirects automatically, but the new URL will be visible to the users (and get used in bookmarks etc.) - rewrite: internally rewrite a URL during processing without making the client aware of this. - forward (in the sense of a reverse proxy): sending a request received by a server to another server and returning the response gotten from that server back to the client. Caution: mod_rewrite can do redirect and rewrite and also interacts with forwarding. I guess what you want is a combination of rewrite and forward: The client uses a URL which does not exist on the final server and you want to use an intermediate server to change this URL (rewrite) to the one known on the final server, sending the resulting request there and returning the final response back to the client. The components you perfer to do this with are Tomcat as the final server (backend) and Apache httpd to rewrite and forward. You can do the forwarding either with mod_jk or mod_proxy. You should have a working forwarding before getting into the rewrite business. To do the rewrite, you use a RewriteRule with mod_rewrite and you need to add the pass through PT flag to let further modules (in the case of mod_jk) participate in request processing. The flag is important. See passthrough in http://httpd.apache.org/docs/2.2/mod/mod_rewrite.html. HTH Rainer if ur method can do this please share how to do it. thanks --- ChrisS [EMAIL PROTECTED] wrote: I worked with Solaris 10's apache and found that I had to download the apache source code eventually and rebuild it myself. I found a few bugs in 2.2.8's configure scripts, what I am using now but I got it to work, if you are up for it I could help out! I never used the P proxy flag in httpd.conf, I used jk_mod.1.2.6 (but this is jk_mod.1.2.7 really) then to get apache to communicate with the tomcat nodes I set up a worker file included it in httpd.conf, that with the jk_mod included in httpd's module section and I was accessing Tomcat through two worker ports set up in apache. Is this what you are trying to do? Chris S - Original Message - From: Melanie Pfefer [EMAIL PROTECTED] To: Tomcat Users List users@tomcat.apache.org Sent: Thursday, March 27, 2008 4:23 PM Subject: Re: RES: url redirection Hello Actually I was able to define a rewrite rule in apache: RewriteRule ^/(.*web:jar.*) http://zeus:8086/src/$1 [R=301,L] now http://zeus/web:jar:001 redirects to http://zeus:8086/src/web:jar:001 But if I tried to change the flag to P (proxy) in httpd.conf the apache error file gives: [Thu Mar 27 17:18:58 2008] [error] [client 172.21.194.71] File does not exist: /usr/local/apache2/htdocs/src, referer: http://zeus/web:jar:001 the tomcat gives: Your request is: http://zeus:8086/src/web:jar:001 Patj info is: web:jar:001 Session (1A578677550D1A75793540B152A8D6B6) has been added to the list of valid Sessions MY path info in treeview is: web:jar:001 I suspect I should something on tomcat to all this operation. right? I am using Solaris 10 - apache 2.2.4 and tomcat 6 --- ChrisS [EMAIL PROTECTED] wrote: Melanie are you using FreeBSD or OpenBSD? I am going back a bit but I remember using Zeus on OpenBSD. The way I set up clustering recently was through a workers.properties file which I stored in the apache/conf subdirectory. To start with you have to make sure all the prerequisites are in place. If you are using a version of Apache that supports it you need to DSO the mod_jk module into this (if you haven't done this already) with ./configure --with-apxs=/usr/local/apache/bin/apxs. This won't work unless you have mod_ssl installed !make sure the version you have supports it!. For example if you are using an APACI version, you may face problems. If you do have mod_ssl installed and are witnessing problems note the error whilst trying to launch Apache. I witnessed numerous errors whilst trying to build 1.3.39, 1.3.4, 2.0.x 2.2.x this way. - Original Message - From: Melanie Pfefer [EMAIL PROTECTED] To: Tomcat Users List users@tomcat.apache.org Sent: Thursday, March 27, 2008 12:31 PM Subject: Re: RES: url redirection Hi, thanks for your reply. what I want is to redirect http://zeus:8085/web/sec:jar:001 to http://zeus:8086/src/web:sec:jar:001 The first one is on apache the 2nd one is on tomcat thanks again --- Milanez, Marcus [EMAIL PROTECTED] wrote: Hi, I'm not completely sure about what you want, but you can redirect urls according to a
Re: How to access AJP Queue through JMX or any other possible way
Please stop spaming the list. Sending the same question five times in 90 minutes will most likely annoy everyone and reduce the chance to get an answer to an absolute minimum. Rainer SriSri schrieb: Hi, I am trying to find a way to access AJP Queue through JMX. If it is possible with JMX or any other way let me know. I am using Tomcat 5.5.20 and I have clusters configured. I want to know whether the AJP Queue is full or not. Appreciate if anyone has any idea how to go about. Thanks Sri - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: How to access AJP Queue through JMX or any other possible way
Well I am trying to post this message from Nabble and its not getting posted per their site message, I been trying to resend the message since 2 hours. I know the pain of spam and I dont intend to spam, was trying to post a genuine query. Thats all. Thanks for your help Sri On Thu, Mar 27, 2008 at 3:54 PM, Rainer Jung [EMAIL PROTECTED] wrote: Please stop spaming the list. Sending the same question five times in 90 minutes will most likely annoy everyone and reduce the chance to get an answer to an absolute minimum. Rainer SriSri schrieb: Hi, I am trying to find a way to access AJP Queue through JMX. If it is possible with JMX or any other way let me know. I am using Tomcat 5.5.20and I have clusters configured. I want to know whether the AJP Queue is full or not. Appreciate if anyone has any idea how to go about. Thanks Sri - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: How to access AJP Queue through JMX or any other possible way
SriSri schrieb: Well I am trying to post this message from Nabble and its not getting posted per their site message, I been trying to resend the message since 2 hours. I know the pain of spam and I dont intend to spam, was trying to post a genuine query. Thats all. Thanks for your help OK. At the moment Nabble seems to be quite behind. Marc seems to be up-to-date: http://marc.info/?l=tomcat-userr=1b=200803w=2 Answer to your question: see below. Sri On Thu, Mar 27, 2008 at 3:54 PM, Rainer Jung [EMAIL PROTECTED] wrote: Please stop spaming the list. Sending the same question five times in 90 minutes will most likely annoy everyone and reduce the chance to get an answer to an absolute minimum. Rainer SriSri schrieb: Hi, I am trying to find a way to access AJP Queue through JMX. If it is possible with JMX or any other way let me know. I am using Tomcat 5.5.20and I have clusters configured. I want to know whether the AJP Queue is full or not. Appreciate if anyone has any idea how to go about. Concerning your question: Tomcat doesn't have a request queue. It uses two design elements: - a thread pool - the usual connection backlog of the operating system The thread pool gets configured in the Connector element (server.xml). It has an initial size, a maximum size and further parameters to define growing and shrinking w.r.t varying load. The TCP connection backlog is operating systen specific and Tomcat only configures its maximal length. Apart from that Tomcat is agnostic of the backlog. Caution: I'm talking about the default connector. Other connectors (tcnative also known as APR, or the NIO connector in TC 6) have a different design. I guess what you want to know is, if your Tomcat is able to cope with the load. If not, you will very quickly see the thread pool increasing the number of threads until it reaches the configured maximum. So having a look at the thread pool size is a good indicator. Each pool has an MBean in JMX with name ThreadPool. There you can see the currentThreadCount and the currentThreadsBusy. But: Ajp uses persistent connections. So an established connection can be busy even if the thread handling it doesn't have to work on a request and is simply waiting (possibly for a long time) for the next request. From the point of view of the MBean, it will then be busy. From the point of view of request load, it is idle :( To increase the precision of the observation, you can use the connectionTimeout on the Connector, to allow Tomcat to close AJP connections, that didn't send a new request for some time. Don't go to extremes, because those will hurt performance. To check how far away from thread pool exhaustion you are, it's not necessary to configure extremely short connectionTimeouts. a Timeout between one and then minutes is fine in most cases. The ultimate answer to how many requests are we processing now is looking at a thread dump (kill -QUIT, goes to catalina.out). Unfortunately you shouldn't really do that in monitoring. HTH Rainer Thanks Sri - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: RES: url redirection
Ok so if you are using Two Tomcat nodes and you want to redirect to each of the Nodes in question through an Apache rewrite rule and give the transparency of the same URL. I am not sure you can do this 1. Are you doing this to load balance between the Two Tomcat instances. 2. You aren't bothered about loadbalancing between the Two Tomcat Nodes. Either way I can only see that by using a different URL is your binding. To give true transparency of URL(sameness), wouldn't it just be better to Loadbalance? I would start by downloading the latest version of Apache 2.2.8. You may need to download Sun Studio 11 but hold fire on this. Lemme spark up the Solaris box, to remember the steps. The proxy through mod_jk is highly recommended on the sites I have researched I downloaded this version 1.2.26. There was an issue with the Global Zone and the local zone using header files so Sun Studio 11 could be required, again it may not, Sun Studio 12 is beautiful it picks out weaknesses in the code itself. GNU Make should do the trick, so once everything is in place. Then comes the build, which I wrapped around the installation i.e path variables. We could opt for the quicker option, if it works that is. Meaning I give you the mod_jk module ready compiled and you include it in your modules/libexec subdirectory. Chris S - Original Message - From: Melanie Pfefer [EMAIL PROTECTED] To: Tomcat Users List users@tomcat.apache.org Sent: Thursday, March 27, 2008 7:15 PM Subject: Re: RES: url redirection all I want is to redirect from apache to tomcat. That I was able to do using rewrite rule however, I want the redirection to be transparent (no changes in url) so i thought of using P flag. if ur method can do this please share how to do it. thanks --- ChrisS [EMAIL PROTECTED] wrote: I worked with Solaris 10's apache and found that I had to download the apache source code eventually and rebuild it myself. I found a few bugs in 2.2.8's configure scripts, what I am using now but I got it to work, if you are up for it I could help out! I never used the P proxy flag in httpd.conf, I used jk_mod.1.2.6 (but this is jk_mod.1.2.7 really) then to get apache to communicate with the tomcat nodes I set up a worker file included it in httpd.conf, that with the jk_mod included in httpd's module section and I was accessing Tomcat through two worker ports set up in apache. Is this what you are trying to do? Chris S - Original Message - From: Melanie Pfefer [EMAIL PROTECTED] To: Tomcat Users List users@tomcat.apache.org Sent: Thursday, March 27, 2008 4:23 PM Subject: Re: RES: url redirection Hello Actually I was able to define a rewrite rule in apache: RewriteRule ^/(.*web:jar.*) http://zeus:8086/src/$1 [R=301,L] now http://zeus/web:jar:001 redirects to http://zeus:8086/src/web:jar:001 But if I tried to change the flag to P (proxy) in httpd.conf the apache error file gives: [Thu Mar 27 17:18:58 2008] [error] [client 172.21.194.71] File does not exist: /usr/local/apache2/htdocs/src, referer: http://zeus/web:jar:001 the tomcat gives: Your request is: http://zeus:8086/src/web:jar:001 Patj info is: web:jar:001 Session (1A578677550D1A75793540B152A8D6B6) has been added to the list of valid Sessions MY path info in treeview is: web:jar:001 I suspect I should something on tomcat to all this operation. right? I am using Solaris 10 - apache 2.2.4 and tomcat 6 --- ChrisS [EMAIL PROTECTED] wrote: Melanie are you using FreeBSD or OpenBSD? I am going back a bit but I remember using Zeus on OpenBSD. The way I set up clustering recently was through a workers.properties file which I stored in the apache/conf subdirectory. To start with you have to make sure all the prerequisites are in place. If you are using a version of Apache that supports it you need to DSO the mod_jk module into this (if you haven't done this already) with ./configure --with-apxs=/usr/local/apache/bin/apxs. This won't work unless you have mod_ssl installed !make sure the version you have supports it!. For example if you are using an APACI version, you may face problems. If you do have mod_ssl installed and are witnessing problems note the error whilst trying to launch Apache. I witnessed numerous errors whilst trying to build 1.3.39, 1.3.4, 2.0.x 2.2.x this way. - Original Message - From: Melanie Pfefer [EMAIL PROTECTED] To: Tomcat Users List users@tomcat.apache.org Sent: Thursday, March 27, 2008 12:31 PM Subject: Re: RES: url redirection Hi, thanks for your reply. what I want is to redirect http://zeus:8085/web/sec:jar:001 to http://zeus:8086/src/web:sec:jar:001 The first one is on apache the 2nd one is on tomcat thanks again --- Milanez, Marcus [EMAIL PROTECTED] wrote: Hi, I'm not completely sure about what you want, but you can redirect urls according to a given pattern between
Tomcat mod_jk PNG resized to GIF with IE : too small
Hello, I'm having a problem with PNG images served by Tomcat through mod_jk on Apache web server on Linux. When pages are browsed bt Internet Explorer, PNG images are converted to GIF but the GIF images are very small. Here is the result of : # file ./jbb000.png ./jbb000.png: PNG image data, 553 x 575, 8-bit/color RGB, non-interlaced and # identify ./jbb000.png ./jbb000.png PNG 553x575 553x575+0+0 DirectClass 8-bit 28.1562kb It's not a transparency problem. I've searched the web and Tomcat documentation but could not find any information about why it is so and how to resolve it. Firefox does display the PNG images faithfully. Any help will be of great interest to resilve this problem. Thank you. SET [EMAIL PROTECTED] - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Vista SP1 -- file.io always writes files as BUILTIN\Administrators
Hi, yes I know the greater question is, why am I running a webserver on Vista... the reason is that I built a powerful Media center PC which doubles as a webserver. Anyway, I upgraded to SP1 at the same time I upgraded to Tomat 6.0.16 -- which fixed some problems I was having configuring Liferay. But now my deployments of Jurgen Weber's wonderful jFM and jGallery are not behaving. The idea is that my users can upload zip files full of photos via jFM, then hit the directory with jGallery to generate thumbnails and view the album. Since my last update, jGallery keeps getting a permission denied when manipulating images that were uploaded with jFM. I made sure there were no handles still on any files. The odd thing is that all uploaded files are owned by BUILTIN\Administrators, even though I have the Tomcat service running under my login (Pete -- which is an administrator). Before my upgrade, all files uploaded via jFM or manipulated/written by jGallery were owned by my login Pete. UAC is turned off. Running tomcat from startup.bat does not fix the problem. Windows permissions are so lame! Any ideas? Thanks! pete -- View this message in context: http://www.nabble.com/Vista-SP1file.io-always-writes-files-as-BUILTIN%5CAdministrators-tp16340045p16340045.html Sent from the Tomcat - User mailing list archive at Nabble.com. - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Tomcat mod_jk PNG resized to GIF with IE : too small
[EMAIL PROTECTED] schrieb: Hello, I'm having a problem with PNG images served by Tomcat through mod_jk on Apache web server on Linux. When pages are browsed bt Internet Explorer, PNG images are converted to GIF but the GIF images are very small. Here is the result of : # file ./jbb000.png ./jbb000.png: PNG image data, 553 x 575, 8-bit/color RGB, non-interlaced and # identify ./jbb000.png ./jbb000.png PNG 553x575 553x575+0+0 DirectClass 8-bit 28.1562kb It's not a transparency problem. I've searched the web and Tomcat documentation but could not find any information about why it is so and how to resolve it. Firefox does display the PNG images faithfully. Any help will be of great interest to resilve this problem. Does the problem go away, if you retrieve the png with IE directly from Tomcat, using the Tomcat http connector? With this test you can find out, if it is more a mod_jk problem or a Tomcat/webapp problem. Thank you. SET [EMAIL PROTECTED] - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: How to access AJP Queue through JMX
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Sri, Two posts is sufficient. Please stop re-porting. Wait, no, only one post is sufficient. srinivasch wrote: |I am trying to find a way to access AJP Queue through JMX or any other | way possible. I am using Tomcat 5.5.20 and I have clusters configured. I | want to know whether the AJP Queue is full or not. Appreciate if anyone has | any idea how to go about. Have you been posting the same question all week, or is it other people? I feel like I keep seeing this question come up. Have you tried searching the (recent) archives? - -chris -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.8 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iEYEARECAAYFAkfsJmcACgkQ9CaO5/Lv0PBfAACeM42zNZuFhenYZUOBypYch+SB j2sAnRiybFel6mL8w6/+9FWftvwCd9b3 =6uOg -END PGP SIGNATURE- - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Tomcat mod_jk PNG resized to GIF with IE : too small
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Set, [EMAIL PROTECTED] wrote: | I'm having a problem with PNG images served by Tomcat through mod_jk on | Apache web server on Linux. | | When pages are browsed bt Internet Explorer, PNG images are converted to GIF | but the GIF images are very small. Do you convert the images to GIF on the server, or are you saying that MSIE does something, here? If on the server, how are you performing the transcoding? | Firefox does display the PNG images faithfully. Does MSIE display the PNG images at the right size if you don't try to convert to GIF on the fly? - -chris -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.8 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iEYEARECAAYFAkfsJzoACgkQ9CaO5/Lv0PBxrQCeLjOclkwkFUEHhgPA4VyBogQW P4IAniuj+fMKIlzTN3CTCeBYE13ia5ko =4/w3 -END PGP SIGNATURE- - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
TOMCAT SSL SLES 10
hi, i need install ssl, how i can do this?
Re: TOMCAT SSL SLES 10
Angel Camacho Villan wrote: hi, i need install ssl, how i can do this? It helps if you say which version of Tomcat you are using. For all versions, you just need to read the documentation. If you are using Tomcat 6.0.x then the page you want is http://tomcat.apache.org/tomcat-6.0-doc/ssl-howto.html Mark - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Checking tomcat metrics in a non-intrusive way
It matters to us because we are talking about response time of under 10ms for 500 concurrent users. Our internal application metrics are in the nano-seconds. If the container adds a lot of overhead, we may want to switch to other containers. For scalability testing, our testing is done in a closed network. All machines are on same subnet, so we eliminate network being the bottleneck here. If anything, it will be either: client machine, server machine, app code, DB. No firewall or anything in between for initial test. Basically, I used JMeter to run 500 concurrent users against our app. The response time shown by JMeter is the total response time. total response time = network round trip + time spend on server network round trip = time spend sending request + time spend receiving response time spend on server = time spend running container code + time spend running app code + time spend talking to DB (include db round trip) Let's take an example using my results, JMeter reports that for 500 concurrent users making request to our application, the average response time was 1 second. That already broke our SLA which is 15 milliseconds. My questions that needs to be answered: 1) out of that 1 second, how much was due to network? 2) out of that 1 second, how much was spend running our application code? I got this, we have internal metrics 3) out of that 1 second, how much was spend running tomcat code? this maybe a bit off track to the initial question, but those are the things Im trying to answer. I've been looking at tools like Manage Engine which shows you average response time which they claim is time spend in tomcat. However, they only show down to the millisecond level. And, if they're able to show that, it means that they're calling some tomcat APIs. I want to know which APIs, so that I can write my own program to query them. Christopher Schultz-2 wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Wicket, wicket0123 wrote: | Hi Charles, | Thanks for the reply. JMeter doesn't help me here because the response | time includes network time. The reason I'm looking into the tomcat API is | because i want a way to query tomcat for the numbers. So, the metrics I am | after are: | | 1) How much time was spend in tomcat? no network You can't get this information without a real profiler, which will, of course, interfere with performance. | 2) How much time was spend on the servlet? The best you can do, here, is to write yourself a Filter (or Valve, I suppose) and simply take timestamps. As with all instrumentation, taking samples takes time. Rest assured that reading the system clock is /very/ fast. ;) I suppose if you know the total response time and the servlet time, you could simply subtract the servlet time to see how much Tomcat overhead is in there. Does it really matter? | 3) What is the overall average response time for a request when there are X | number of users active? To me, this all comes down to /useful/ metrics. For instance: who cares what the response time is on the server for a single request? Nobody, that's who. This last metric is the only useful one you've requested, and I would argue that you ought to do it over a network (even if it's a local one). All users will be remote. Why artificially lower your response times when everyone will have /at least/ the overhead of going over a local network segment? Unfortunately, your choices are: - - instrument your server and get inaccurate, but fine-grained data - - instrument your client and get accurate, but somewhat coarser data Just my two and a half cents (US dollar really sucks these days), - -chris -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.8 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iEYEARECAAYFAkfr4RMACgkQ9CaO5/Lv0PCYHQCfa+hDE77eSM476JmIqVpv2/ed 3DgAoKQEvRO7KJOp3swJ21sMwjAcHOX7 =2q9H -END PGP SIGNATURE- - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] -- View this message in context: http://www.nabble.com/Checking-tomcat-metrics-in-a-non-intrusive-way-tp16319903p16341386.html Sent from the Tomcat - User mailing list archive at Nabble.com. - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Tomcat does not start
See Thread at: http://www.techienuggets.com/Detail?tx=8839 Posted on behalf of a User Only one thing we have to do, to copy the file name msvcr71.dll from you jre directory installation (ex: C:\Program Files\Java\jre1.6.0_03\bin) to the bin folder of tomcat´s intallation (ex: C:\Archivos de programa\Apache Software Foundation\Tomcat 5.0\bin), it really fixed that f.u.c.k.i.n.g problem, so i hope you can too In Response To: Hi there, I'm having problems running Apache Tomcat 6 (But the same happens with Tomcat 5.0) on a Windows XP home computer with Sun JRE 1.6.0_01. I've installed the same configuration on other machines with successfull results... the log message follows: [2007-05-18 00:37:09] [986 prunsrv.c] [error] Failed creating java C:\Programmi\Java\jre1.6.0_01\bin\client\jvm.dll [2007-05-18 00:37:09] [1260 prunsrv.c] [error] ServiceStart returned 1 [2007-05-18 00:37:09] [info] Run service finished. [2007-05-18 00:37:09] [info] Procrun finished. Do you guys have any idea about this? Thanks Francesco ___ L'email della prossima generazione? Puoi averla con la nuova ... Mail: http://it.docs.yahoo.com/nowyoucan.html - To start a new topic, e-mail: [EMAIL PROTECTED] To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Memory leak in Tomcat 5.5.16
Christopher, Christopher Schultz wrote: Have you been able to compare the numbers of those objects after, say, 100 requests with the same object counts after, say, 1 requests? It /is/ possible that Tomcat is leaking memory per connection, but very unlikely given that thousands of servers are humming along quite nicely without such problems. Thanks for the suggestions. I have looked at the change in number of objects over time, and the only objects that appear to be leaked consistently are the following (the number is the increase in object count over a typical 10 minute period, with about 2000 requests): org.apache.tomcat.util.buf.ByteChunk10437 org.apache.tomcat.util.buf.CharChunk8946 org.apache.tomcat.util.buf.MessageBytes 7881 Other object types, including byte[] and char[], vary wildly in each 10 minute period, presumably depending on exactly what's going on at the time of the sample. I'm trying to find a tool that will show me which objects are holding onto references to these Tomcat objects, but haven't had much success so far - any suggestions gratefully received. The only really good way to figure out what's happening is to instrument your JVM and then test the hell out of it. Use JMeter to generate load (serial or concurrent) and observe the heap, etc. You might even try to disable some of the SOAP methods you are testing to see if this leak only occurs with certain calls, or combinations of calls. That's what I'm doing now... I will also try Filip's suggestion of disabling string caching. Sadly jmap doesn't work on this system because the heap is large and jmap always crashes with an OutOfMemoryError due to the 2GB heap limit in the JVM. I haven't used JMeter before but will look into it. Thanks, Tom. - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Checking tomcat metrics in a non-intrusive way
In the real world what network connections will exist between you and your real clients? How many ports do you have on your server? How fast are they? How big are the pages being requested? Including images, css files etc? If you have 500 concurrent users will you have 500 times the traffic on the wire? or will you have some intermediate caching? You talk of a db so it is unlikely that caching can be used to much effect. If have (say) 100kbytes total per transfer x 500 = 50 MBytes for 500 people each making one request. Unless you can guarantee a GB connection to them all the thing that's going to take the most time is the time to transfer that data over the wire. 50 Megbytes (I spell it out to be clear what I am talking about) is 400 megabits If you have a 100 megabit connection to your clients then about 5 s will of delay (latency) will have to be shared between your clients. Some will get less, some will get more latency In the real world very few end users have even a 100 Mbit point to point connection to the server. If you factor in the 'down the wire' time for someone with a dodgy cable connection then a response time of 250 ms would be good for a given individual. I have spent a lot of time recently tuning and examining the peformance of tomcat and I came to the conclusions: 1. On a modern machine it takes very little time indeed for tomcat to process an incoming request. 2. As the number of requests goes up the probability of issues with I/O outside of the 'control' of tomcat become prevalent. 3. In the real world with real applications its things like database access which dominate performance. 4. Users' network connections are probably a major peformance issue unless you have extremely good connections between the server and the clients. You suggested earlier that you might have to use an alternative. Out of interest what alternatives are you considering? wicket0123 wrote: It matters to us because we are talking about response time of under 10ms for 500 concurrent users. Our internal application metrics are in the nano-seconds. If the container adds a lot of overhead, we may want to switch to other containers. For scalability testing, our testing is done in a closed network. All machines are on same subnet, so we eliminate network being the bottleneck here. If anything, it will be either: client machine, server machine, app code, DB. No firewall or anything in between for initial test. Basically, I used JMeter to run 500 concurrent users against our app. The response time shown by JMeter is the total response time. total response time = network round trip + time spend on server network round trip = time spend sending request + time spend receiving response time spend on server = time spend running container code + time spend running app code + time spend talking to DB (include db round trip) Let's take an example using my results, JMeter reports that for 500 concurrent users making request to our application, the average response time was 1 second. That already broke our SLA which is 15 milliseconds. My questions that needs to be answered: 1) out of that 1 second, how much was due to network? 2) out of that 1 second, how much was spend running our application code? I got this, we have internal metrics 3) out of that 1 second, how much was spend running tomcat code? this maybe a bit off track to the initial question, but those are the things Im trying to answer. I've been looking at tools like Manage Engine which shows you average response time which they claim is time spend in tomcat. However, they only show down to the millisecond level. And, if they're able to show that, it means that they're calling some tomcat APIs. I want to know which APIs, so that I can write my own program to query them. Christopher Schultz-2 wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Wicket, wicket0123 wrote: | Hi Charles, | Thanks for the reply. JMeter doesn't help me here because the response | time includes network time. The reason I'm looking into the tomcat API is | because i want a way to query tomcat for the numbers. So, the metrics I am | after are: | | 1) How much time was spend in tomcat? no network You can't get this information without a real profiler, which will, of course, interfere with performance. | 2) How much time was spend on the servlet? The best you can do, here, is to write yourself a Filter (or Valve, I suppose) and simply take timestamps. As with all instrumentation, taking samples takes time. Rest assured that reading the system clock is /very/ fast. ;) I suppose if you know the total response time and the servlet time, you could simply subtract the servlet time to see how much Tomcat overhead is in there. Does it really matter? | 3) What is the overall average response time for a request when there are X | number of users active? To me, this all comes down to /useful/ metrics. For instance:
Re: Vista SP1 -- file.io always writes files as BUILTIN\Administrators
On Thu, Mar 27, 2008 at 3:47 PM, Pete L [EMAIL PROTECTED] wrote: Hi, yes I know the greater question is, why am I running a webserver on Vista... the reason is that I built a powerful Media center PC which doubles as a webserver. Any ideas? In the absence of any experience with Vista, I'll suggest getting a copy of VMware and running your web server in a VM under your choice of BSD/Linux/Unix. :-) Seriously. Lif'e's too short. FWIW, -- Hassan Schroeder [EMAIL PROTECTED] - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Tomcat load balanced with Apache HTTP Server and mod_jk
Rainer, I'm trying your solution of using apachectl graceful. The only problem is that it needs to be executed as root. I tried to write a perl cgi script to change automatically my worker.properties which works fine, but then, if I tried to run the apachectl command from inside the cgi script, I get a permission denied. I even tried to set the httpd user nobody in sudoers without password but it does not work either (I don't know why). I'm so close since when I manually do the apachectl command it does work, I just need to find a way to run this from the cgi script. Does anyone could help? Thank you. Franck Date: Fri, 29 Feb 2008 10:43:56 +0100 From: [EMAIL PROTECTED] To: users@tomcat.apache.org Subject: Re: Tomcat load balanced with Apache HTTP Server and mod_jk Hi Frannack, No, not at the moment. A partial workaround: add all balamncer members you are assuming to become valid in the future and put those, which don't yet exist into activation=Stopped Then you can put them into active without restart, once you build them up. BTW: apachectl graceful is not *that* bad any more (but it destroys non-persistent JK activation). Regards, Rainer frannack Guimard wrote: Hello, Is there a way to add a Balancer Member to Apache HTTP Server on the fly? I'm using Apache 2.2, Tomcat 5.5 and mod_jk. I have a Apache HTTP Server load balance request on the pool of workers (tomcat instances). When I add a new worker, I would like Apache HTTP Server to be notify so it can add it on its balancer member list. I don't care if it's not persistent after reboot of the Apache HTTP Server. Thank you, Frannack - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] _ Watch “Cause Effect,” a show about real people making a real difference. Learn more. http://im.live.com/Messenger/IM/MTV/?source=text_watchcause - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
problems with apache mod-rewrite and modjk
Hello, i am running apache-tomcat-5.5.15 on a FC4 box First i need to explain a little how my site is set up.. We have 1000's of users that have their own document directory So for example a users URL is http://www.mydomain.com/randy their document root is /home/users/r/randy as another example http://www.mydomain.com/fred would be their doc root would be /home/users/f/fred currently they go to http://www.mydomain.com/fred/index.html and i want to replace index.html with index.jsp So if i do http://www.mydomain.com/fred/index.jsp , i get: 404 - message /fred/index.jsp description The requested resource (/fred/index.jsp) is not available. i do not want my users to have to do http://www.mydomain.com/f/fred/index.jsp I did find an article that suggested making sure to load mod_jk before mod_rewrite But i am not sure what else i Need to do Any Suggestions? or is this even possible? Thanks Randy - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Shutdown Hook in Tomcat 5.5.26
Dear all tomcat expert,
I am falling a scenario which my shutdown hook has not been executed when
the tomcat stop normally. I.e. through the SHUTDOWN script / SHUTDOWN
command / NT services shutdown. Tomcat looks everything when shutdown but
nothing related to shutdown hook has been called.
The shutdown hook i implemented is just a dummy thread like below:
public class TestThread extend Thread
{
public void run()
{
System.out.println(Invoking shutdown);
}
}
The hook is executed ONLY when i press CTRL+C using console but it is not
desired solution as my projects required it should run under service /
daemon mode.
Regards,
Twinsen.
Tomcat tutorial
Hi, I am new to Tomcat. Is there any Tomcat tutorial (eg. example of projects) I can download from the web? Thanks S Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now. http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ
Re: Tomcat tutorial
I find developerworks.ibm.com a good source of example projects. tomcat.apache.org has a couple, but not as good as others. On Fri, Mar 28, 2008 at 2:32 PM, Sam Wun [EMAIL PROTECTED] wrote: Hi, I am new to Tomcat. Is there any Tomcat tutorial (eg. example of projects) I can download from the web? Thanks S Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now. http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ
Re: Tomcat tutorial
- Original Message From: Patrick Fong [EMAIL PROTECTED] To: Tomcat Users List users@tomcat.apache.org Sent: Friday, March 28, 2008 2:53:49 PM Subject: Re: Tomcat tutorial I find developerworks.ibm.com a good source of example projects. Thanks for the info. But I can't open this webpage. Thanks S tomcat.apache.org has a couple, but not as good as others. On Fri, Mar 28, 2008 at 2:32 PM, Sam Wun [EMAIL PROTECTED] wrote: Hi, I am new to Tomcat. Is there any Tomcat tutorial (eg. example of projects) I can download from the web? Thanks S Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now. http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ Never miss a thing. Make Yahoo your home page. http://www.yahoo.com/r/hs
Re: Tomcat tutorial
try ibm.com/developerworks On Fri, Mar 28, 2008 at 3:17 PM, Sam Wun [EMAIL PROTECTED] wrote: - Original Message From: Patrick Fong [EMAIL PROTECTED] To: Tomcat Users List users@tomcat.apache.org Sent: Friday, March 28, 2008 2:53:49 PM Subject: Re: Tomcat tutorial I find developerworks.ibm.com a good source of example projects. Thanks for the info. But I can't open this webpage. Thanks S tomcat.apache.org has a couple, but not as good as others. On Fri, Mar 28, 2008 at 2:32 PM, Sam Wun [EMAIL PROTECTED] wrote: Hi, I am new to Tomcat. Is there any Tomcat tutorial (eg. example of projects) I can download from the web? Thanks S Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now. http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ Never miss a thing. Make Yahoo your home page. http://www.yahoo.com/r/hs
Re: Tomcat tutorial
- Original Message From: Patrick Fong [EMAIL PROTECTED] To: Tomcat Users List users@tomcat.apache.org Sent: Friday, March 28, 2008 3:25:46 PM Subject: Re: Tomcat tutorial try ibm.com/developerworks Hi, this works for me. But where should I go into in order to download tomcat tutorials? Thanks sam On Fri, Mar 28, 2008 at 3:17 PM, Sam Wun [EMAIL PROTECTED] wrote: - Original Message From: Patrick Fong [EMAIL PROTECTED] To: Tomcat Users List users@tomcat.apache.org Sent: Friday, March 28, 2008 2:53:49 PM Subject: Re: Tomcat tutorial I find developerworks.ibm.com a good source of example projects. Thanks for the info. But I can't open this webpage. Thanks S tomcat.apache.org has a couple, but not as good as others. On Fri, Mar 28, 2008 at 2:32 PM, Sam Wun [EMAIL PROTECTED] wrote: Hi, I am new to Tomcat. Is there any Tomcat tutorial (eg. example of projects) I can download from the web? Thanks S Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now. http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ Never miss a thing. Make Yahoo your home page. http://www.yahoo.com/r/hs Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now. http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ
