RE: [JBoss-user] 3.2.0 Crashed Out Of Memory After 1 Hour...
1.4.1 has a memory leak in java.lang.StringBuffer, if you reuse it alot filip > -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] Behalf Of Hunter > Hillegas > Sent: Saturday, April 12, 2003 5:24 PM > To: JBoss User > Subject: Re: [JBoss-user] 3.2.0 Crashed Out Of Memory After 1 Hour... > > > Running the default config with a couple of my EARs installed. > > I downgraded to 1.4.0_04 and so far, memory use seems more stable. > > I'm on Linux. > > > From: Nicholas <[EMAIL PROTECTED]> > > Reply-To: [EMAIL PROTECTED] > > Date: Sat, 12 Apr 2003 16:30:21 -0700 (PDT) > > To: [EMAIL PROTECTED] > > Subject: Re: [JBoss-user] 3.2.0 Crashed Out Of Memory After 1 Hour... > > > > Are you seeing this with no additional modules > > deployed ? Just the bare installation ? > > > > I have been running 2 3.2 clustered instances on NT > > with 1.4.1_02 and they have been flat memorywise. > > > > //Nicholas > > > > > > --- Hunter Hillegas <[EMAIL PROTECTED]> wrote: > >> Interesting. > >> > >> Anyone else have trouble with this combo? Perhaps I > >> need to downgrade to > >> 1.4.0? > >> > >> Hunter > >> > >>> From: Bradley McLean <[EMAIL PROTECTED]> > >>> Reply-To: [EMAIL PROTECTED] > >>> Date: Sat, 12 Apr 2003 18:04:44 -0400 > >>> To: [EMAIL PROTECTED] > >>> Subject: Re: [JBoss-user] 3.2.0 Crashed Out Of > >> Memory After 1 Hour... > >>> > >>> * Hunter Hillegas ([EMAIL PROTECTED]) > >> [030412 17:48]: > Just upgraded to 3.2.0 and it ended up crashing > >> after about 1 hour of use... > > We have allocated 900MB to the JVM and never had > >> OOM with 3.0.6. > > Anyone else seeing huge memory usage? > > We are: SMP Linux, JDK 1.4.1_02 (Sun). > >>> > >>> We've had trouble with that combination, with > >> JBoss 3.0.4 and other > >>> java code. We use 1.4.0 on SMP Linux because of > >> that. > >>> > >>> > >>> > >>> > >> > > --- > >>> This SF.net email is sponsored by: Etnus, makers > >> of TotalView, The debugger > >>> for complex code. Debugging C/C++ programs can > >> leave you feeling lost and > >>> disoriented. TotalView can help you find your way. > >> Available on major UNIX > >>> and Linux platforms. Try it free. www.etnus.com > >>> ___ > >>> JBoss-user mailing list > >>> [EMAIL PROTECTED] > >>> > >> > > https://lists.sourceforge.net/lists/listinfo/jboss-user > >> > >> > >> > >> > > --- > >> This SF.net email is sponsored by: Etnus, makers of > >> TotalView, The debugger > >> for complex code. Debugging C/C++ programs can leave > >> you feeling lost and > >> disoriented. TotalView can help you find your way. > >> Available on major UNIX > >> and Linux platforms. Try it free. www.etnus.com > >> ___ > >> JBoss-user mailing list > >> [EMAIL PROTECTED] > >> > > https://lists.sourceforge.net/lists/listinfo/jboss-user > > > > > > = > > Nicholas Whitehead > > Home: (973) 377 9335 > > Cell: (201) 615 2716 > > [EMAIL PROTECTED] > > Get Your News From The Crowbar: http://crowbar.dnsalias.com:443/crowbar/ > > > > > > --- > > This SF.net email is sponsored by: Etnus, makers of TotalView, > The debugger > > for complex code. Debugging C/C++ programs can leave you > feeling lost and > > disoriented. TotalView can help you find your way. Available on > major UNIX > > and Linux platforms. Try it free. www.etnus.com > > ___ > > JBoss-user mailing list > > [EMAIL PROTECTED] > > https://lists.sourceforge.net/lists/listinfo/jboss-user > > > > --- > This SF.net email is sponsored by: Etnus, makers of TotalView, > The debugger > for complex code. Debugging C/C++ programs can leave you feeling lost and > disoriented. TotalView can help you find your way. Available on > major UNIX > and Linux platforms. Try it free. www.etnus.com > ___ > JBoss-user mailing list > [EMAIL PROTECTED] > https://lists.sourceforge.net/lists/listinfo/jboss-user > --- This SF.net email is sponsored by: Etnus, makers of TotalView, The debugger for complex code. Debugging C/C++ programs can leave you feeling lost and disoriented. TotalView can help you find your way. Available on major UNIX and Linux platforms. Try it free. www.etnus.com ___ JBoss-user mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/jboss-user
[JBoss-user] Override the element for embedded Tomcat
I'm trying to use the Tomcat persistence manager for sessions with embedded JBoss 3.0.6 http://ads.sourceforge.net/cgi-bin/redirect.pl?thaw0031en ___ JBoss-user mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/jboss-user
RE: [JBoss-user] JDBC / ResultSet Question
>You are correct...we are not pulling out all 10,000+ rows, we are >retrieving >say 1-100 for the first page they view and then fetch the next 100 when the >user clicks on a next link. yes that is good way of doing it, just don't hold on to a connection while doing this. instead write your query so that it can execute like this runMyQuery() --returns 100 results and the total count runMyQuery(int startrange, int endrange) --returns the results between the range now the only thing that remains is to optimize the query to be able to quickly run a filter for a search range. if you hold on to the connection on the server side you are screwing up the way the system will work between client-server calls it screws it up Filip ~ Namaste - I bow to the divine in you ~ Filip Hanik Software Architect [EMAIL PROTECTED] www.filip.net >-Original Message- >From: [EMAIL PROTECTED] >[mailto:[EMAIL PROTECTED]]On Behalf Of Matt Veitas >Sent: Tuesday, June 19, 2001 5:03 PM >To: [EMAIL PROTECTED] >Subject: RE: [JBoss-user] JDBC / ResultSet Question > > Is this the most efficient way of doing this >type of query/view? > >Matt > >-Original Message- >From: [EMAIL PROTECTED] >[mailto:[EMAIL PROTECTED]]On Behalf Of Filip Hanik >Sent: Tuesday, June 19, 2001 7:51 PM >To: [EMAIL PROTECTED] >Subject: RE: [JBoss-user] JDBC / ResultSet Question > > >>Currently in our project we have well over 15,000,000 data >>items in the database and a user will do a search for certain criteria. >Some >>of the queries are returning 10,000+ rows. > >are you using all these rows (10,000+). >if not. why even pull them out of the database. if these results are >intended for a user. only retrieve as many as the user wants to see. > >Filip > >~ >Namaste - I bow to the divine in you >~ >Filip Hanik >Software Architect >[EMAIL PROTECTED] >www.filip.net > >>-Original Message- >>From: [EMAIL PROTECTED] >>[mailto:[EMAIL PROTECTED]]On Behalf Of Matt Veitas >>Sent: Tuesday, June 19, 2001 4:40 PM >>To: [EMAIL PROTECTED] >>Subject: RE: [JBoss-user] JDBC / ResultSet Question >> >> >>CachedRowSet is a great way to implement sending a "resultset" over the >>wire, but what about in the case where you may have thousands of >records to >>list. >> >>I am not using JBoss as of now, just using plain servlets/jsp on >>my project, >>but I am always looking for a better way to code the idea of >paging through >>a ResultSet. Currently in our project we have well over 15,000,000 data >>items in the database and a user will do a search for certain >>criteria. Some >>of the queries are returning 10,000+ rows. Right now we have a >>piece of code >>that maintains the connection to the DB, along with the ResultSet >>so that we >>can page through the data set. The jsp page will access it and >get the data >>straight from the ResultSet. >> >>We will be starting to convert our web app over to EJB in the next few >>months, but was how others are handling cases such as this with >EJB...I was >>thinking about a stateful session bean to take care of this, but the only >>question is how to maintain the connection, statement, and ResultSet when >>ejbPassivate() needs to be called? Any other suggestions on how to do this >>or experiences with such a thing would be great. >> >>Matt >> >>-- >>[EMAIL PROTECTED] >>703-304-6988 >> >>Emerging Paradigms Corporation >>"innovative ideas for smarter solutions" >>http://www.emerging-paradigms.com/ >> >> >>-Original Message- >>From: [EMAIL PROTECTED] >>[mailto:[EMAIL PROTECTED]]On Behalf Of David Ward >>Sent: Tuesday, June 19, 2001 7:00 PM >>To: [EMAIL PROTECTED] >>Subject: Re: [JBoss-user] JDBC / ResultSet Question >> >> >>Look at CachedRowSet implementation from Sun - it is Serializable and >>can be disconnected: >>http://developer.java.sun.com/developer/Books/JDBCTutorial/chapter5.html >> >>David >> >>-- >> >>Mike korcynski wrote: >> >>> Hello: >>>I am currently working on a project using JBoss >>> 2.2. I have stumbled upon a strange problem I was >>> hoping someone could help me with. I have a method in >>> a session bean that will perform an ad hoc query on a >>> database and return the results to the client in a >>> ResultSet. However, it appears that the >>> implementation of ResultSet is not serializable: >>> "Caused by: java.io.NotSerial
RE: [JBoss-user] JDBC / ResultSet Question
>Currently in our project we have well over 15,000,000 data >items in the database and a user will do a search for certain criteria. Some >of the queries are returning 10,000+ rows. are you using all these rows (10,000+). if not. why even pull them out of the database. if these results are intended for a user. only retrieve as many as the user wants to see. Filip ~ Namaste - I bow to the divine in you ~ Filip Hanik Software Architect [EMAIL PROTECTED] www.filip.net >-Original Message- >From: [EMAIL PROTECTED] >[mailto:[EMAIL PROTECTED]]On Behalf Of Matt Veitas >Sent: Tuesday, June 19, 2001 4:40 PM >To: [EMAIL PROTECTED] >Subject: RE: [JBoss-user] JDBC / ResultSet Question > > >CachedRowSet is a great way to implement sending a "resultset" over the >wire, but what about in the case where you may have thousands of records to >list. > >I am not using JBoss as of now, just using plain servlets/jsp on >my project, >but I am always looking for a better way to code the idea of paging through >a ResultSet. Currently in our project we have well over 15,000,000 data >items in the database and a user will do a search for certain >criteria. Some >of the queries are returning 10,000+ rows. Right now we have a >piece of code >that maintains the connection to the DB, along with the ResultSet >so that we >can page through the data set. The jsp page will access it and get the data >straight from the ResultSet. > >We will be starting to convert our web app over to EJB in the next few >months, but was how others are handling cases such as this with EJB...I was >thinking about a stateful session bean to take care of this, but the only >question is how to maintain the connection, statement, and ResultSet when >ejbPassivate() needs to be called? Any other suggestions on how to do this >or experiences with such a thing would be great. > >Matt > >-- >[EMAIL PROTECTED] >703-304-6988 > >Emerging Paradigms Corporation >"innovative ideas for smarter solutions" >http://www.emerging-paradigms.com/ > > >-Original Message- >From: [EMAIL PROTECTED] >[mailto:[EMAIL PROTECTED]]On Behalf Of David Ward >Sent: Tuesday, June 19, 2001 7:00 PM >To: [EMAIL PROTECTED] >Subject: Re: [JBoss-user] JDBC / ResultSet Question > > >Look at CachedRowSet implementation from Sun - it is Serializable and >can be disconnected: >http://developer.java.sun.com/developer/Books/JDBCTutorial/chapter5.html > >David > >-- > >Mike korcynski wrote: > >> Hello: >>I am currently working on a project using JBoss >> 2.2. I have stumbled upon a strange problem I was >> hoping someone could help me with. I have a method in >> a session bean that will perform an ad hoc query on a >> database and return the results to the client in a >> ResultSet. However, it appears that the >> implementation of ResultSet is not serializable: >> "Caused by: java.io.NotSerializableException: >> org.opentools.minerva.jdbc.ResultSetInPool" >> >>Am I doing something wrong or is this some sort of >> bug? It would seem useful to be able to return a >> ResultSet to a client. Can someone advise? Thank you >> for your time. >> >> Mike Korcynski >> >> >> >> >> >> >> __ >> Do You Yahoo!? >> Spot the hottest trends in music, movies, and more. >> http://buzz.yahoo.com/ >> >> ___ >> JBoss-user mailing list >> [EMAIL PROTECTED] >> http://lists.sourceforge.net/lists/listinfo/jboss-user >> > > > > >___ >JBoss-user mailing list >[EMAIL PROTECTED] >http://lists.sourceforge.net/lists/listinfo/jboss-user > > >___ >JBoss-user mailing list >[EMAIL PROTECTED] >http://lists.sourceforge.net/lists/listinfo/jboss-user > ___ JBoss-user mailing list [EMAIL PROTECTED] http://lists.sourceforge.net/lists/listinfo/jboss-user
RE: [JBoss-user] TomCat and Apache
>will version 3.2.2 of tomcat work with apache 1.3.12 have you tried why don't you try and let us know. Filip ~ Namaste - I bow to the divine in you ~ Filip Hanik Software Architect [EMAIL PROTECTED] www.filip.net ___ JBoss-user mailing list [EMAIL PROTECTED] http://lists.sourceforge.net/lists/listinfo/jboss-user
RE: [JBoss-user] Everlasting sessionbean
A bean is not allowed to access a socket unless it is being passed as a reference into a method call. a bean holding a reference to a socket will prevent it from being properly serialized, and replicated. >2. is there a problem if the session bean's function never returns?? It is >reading from the socket forever. yes, you are violating the spec. why would you want to do this with a bean? use a regular Java object. Filip ~ Namaste - I bow to the divine in you ~ Filip Hanik Software Architect [EMAIL PROTECTED] www.filip.net >-Original Message- >From: [EMAIL PROTECTED] >[mailto:[EMAIL PROTECTED]]On Behalf Of Javier >Muguruza >Sent: Tuesday, June 05, 2001 11:11 AM >To: [EMAIL PROTECTED] >Subject: [JBoss-user] Everlasting sessionbean > > >Hi, > >I want to use a sesssion bean (dont know yet wether it will be statefull, >stateless or it does not matter) to read data from a socket (comming from a >non ejb application). > >This bean would proceed calling other session beans to do the >actual work. I >have tried with a stateless bean with jboss and it works, but i have a >couple of questions: > >1. now I am using a client app just to invoke the session bean's only >function, is there a way in jboss to make a session bean instantiate and >invoke a method without a client (just for easier administration). > > >3. Should it be statefull, statelesss... any other proposition? > >thank you, > > >___ >JBoss-user mailing list >[EMAIL PROTECTED] >http://lists.sourceforge.net/lists/listinfo/jboss-user > ___ JBoss-user mailing list [EMAIL PROTECTED] http://lists.sourceforge.net/lists/listinfo/jboss-user
RE: [JBoss-user] how does this work (classpath)?
>really the problem with putting your application classes into lib/ext is >twofold: it mixes application classes with infrastructure, which will >make upgrades, server re-configuration, scaling onto multiple servers, >and various other administrative tasks more difficult. It also makes >that application's classes available to all applications deployed on any >JBoss instance that runs from that directory, which is messy at best. to add more info for this. you may experience strange behavior related to the classloaders. Remember that if some of your classes are loaded using the system class loader (for example) they may not have access to classes loaded by class loaders higher up in the loader stack. You will experience ClassNotFound, ClassCast, and other exceptions. It may also affect the functionality of the app server itself. in other words, yes you can put your classes in /lib/ext but you may cause yourself a good series of troubleshooting too. have fun Filip ~ Namaste - I bow to the divine in you ~ Filip Hanik Software Architect [EMAIL PROTECTED] www.filip.net ___ JBoss-user mailing list [EMAIL PROTECTED] http://lists.sourceforge.net/lists/listinfo/jboss-user
RE: [JBoss-user] petstore 1.1.2 deployed successfully
go ahead ~ Namaste - I bow to the divine in you ~ Filip Hanik Software Architect [EMAIL PROTECTED] www.filip.net > -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED]]On Behalf Of Cuong Tran > Sent: Friday, May 18, 2001 2:13 PM > To: [EMAIL PROTECTED] > Subject: [JBoss-user] petstore 1.1.2 deployed successfully > > > > Hi everyone, > > I have managed to successfully deploy petstore 1.1.2 > on jboss 2.2.1-tomcat 3.2.1, using Hypersonic as the database. > If anyone is interested, I'm willing to share what I've done. > > > = > Cuong Q. Tran <[EMAIL PROTECTED]> > > __ > Do You Yahoo!? > Yahoo! Auctions - buy the things you want at great prices > http://auctions.yahoo.com/ > > ___ > JBoss-user mailing list > [EMAIL PROTECTED] > http://lists.sourceforge.net/lists/listinfo/jboss-user > ___ JBoss-user mailing list [EMAIL PROTECTED] http://lists.sourceforge.net/lists/listinfo/jboss-user
RE: [JBoss-user] Firewall and JBoss
you also have the JMX HTTPConnector port - I believe this one is 8082 Filip ~ Namaste - I bow to the divine in you ~ Filip Hanik Software Architect [EMAIL PROTECTED] www.filip.net > -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED]]On Behalf Of Bob Cober > Sent: Friday, May 11, 2001 4:45 PM > To: [EMAIL PROTECTED] > Subject: [JBoss-user] Firewall and JBoss > > > Help! > I am interested in locking the ports JBoss uses. > 1099 if the default JNDI lookup that is fine. > is the default RMI Object Port that can be controlled in jboss.xml. > There is a third port that seems to be randomly assigned everytime the > server is started. I have seen 1591, 2291, etc. > I believe this port may be part of the default RMI Socket Factory or > something. How can I control it? > > Thanks for any help you can provide > > > _ > Get your FREE download of MSN Explorer at http://explorer.msn.com > > > ___ > JBoss-user mailing list > [EMAIL PROTECTED] > http://lists.sourceforge.net/lists/listinfo/jboss-user > ___ JBoss-user mailing list [EMAIL PROTECTED] http://lists.sourceforge.net/lists/listinfo/jboss-user
RE: [JBoss-user] How to execute a JSP in a EJB
I would recommend using XML/XSL for this. the XML/XSL transformation can be invoked from anywhere and provides a more flexible solution than a JSP. EJB COMPONENT ---> Get data form the DB. ---> Generate it into an XML document | |> Get the XSL template (Page) | |-> Execute the transformation with the data and the stylesheet | |-> Send the result by email. and voila, you are good to go Filip ~ Namaste - I bow to the divine in you ~ Filip Hanik Software Architect [EMAIL PROTECTED] www.filip.net > -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED]]On Behalf Of Per Lewau > Sent: Friday, May 11, 2001 4:22 PM > To: [EMAIL PROTECTED] > Subject: Re: [JBoss-user] How to execute a JSP in a EJB > > > > On Fri, 11 May 2001, Pedro E. Gómez wrote: > > > > > Sorry for the confution. > > > > The idea is other, is something like this: > > ___ JBoss-user mailing list [EMAIL PROTECTED] http://lists.sourceforge.net/lists/listinfo/jboss-user
RE: [JBoss-user] ZIP Manual
you can check out the "manual" cvs module from jboss cvs Filip ~ Namaste - I bow to the divine in you ~ Filip Hanik Software Architect [EMAIL PROTECTED] www.filip.net > -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED]]On Behalf Of Edilmar > Alves > Sent: Wednesday, May 02, 2001 12:20 PM > To: [EMAIL PROTECTED] > Subject: [JBoss-user] ZIP Manual > > > Hi, > > I'm new into JBoss and I'd like to download the complete > manual, that is in HTML pages. Is there some FTP to > download a zip file with all pages??? > > > ___ > JBoss-user mailing list > [EMAIL PROTECTED] > http://lists.sourceforge.net/lists/listinfo/jboss-user > ___ JBoss-user mailing list [EMAIL PROTECTED] http://lists.sourceforge.net/lists/listinfo/jboss-user
RE: [JBoss-user] org.xml.sax.SAXParseException: Document root element is missing
looks like you have crimson.jar in your classpath and this may conflict with some other JAXP implementation (Xerces, jaxp.jar, parser.jar) Filip ~Namaste - I bow to the divine in you~Filip HanikSoftware Architect[EMAIL PROTECTED]www.filip.net -Original Message-From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Jason DurstSent: Tuesday, May 01, 2001 3:14 PMTo: [EMAIL PROTECTED]Subject: [JBoss-user] org.xml.sax.SAXParseException: Document root element is missing I am new to JBOSS and EJB's in general. I have created several beans and "jarr'ed" them along with the corresponding home interfaces, remote interfaces and the deployment descriptor. When I drop my jar file in the deploy folder, this is the error I get. I would appreciate it if anyone could give me a clue as to what the error is referring to with: org.xml.sax.SAXParseException: Document root element is missing. If additional information is necessary I would be glad to provide it. Thank you in advance for your help. I suspect that the problem is with my ejb-jar.xml file but I cannot find a reference to this error. jason the error message continues but I thought that this was the relevant part. [J2EE Deployer Default] Starting[J2EE Deployer Default] Cleaning up deployment directory[J2EE Deployer Default] Started[Auto deploy] Starting[Auto deploy] Watching E:\jboss-tomcat-2.2\jboss-2.2\deploy[Auto deploy] Auto deploy of file:/E:/jboss-tomcat-2.2/jboss-2.2/deploy/musicdb.jar[J2EE Deployer Default] Deploy J2EE application: file:/E:/jboss-tomcat-2.2/jboss-2.2/deploy/musicdb.jar[J2EE Deployer Default] Create application musicdb.jar[J2EE Deployer Default] install module musicdb.jar[Container factory] Deploying:file:/E:/jboss-tomcat-2.2/jboss-2.2/tmp/deploy/Default/musicdb.jar[Container factory] Document root element is missing.:-1:1[Container factory] org.xml.sax.SAXParseException: Document root element is missing.[Container factory] at org.apache.crimson.parser.Parser2.fatal(Parser2.java:3035)[Container factory] at org.apache.crimson.parser.Parser2.fatal(Parser2.java:3023)[Container factory] at org.apache.crimson.parser.Parser2.parseInternal(Parser2.java, Compiled Code)[Container factory] at org.apache.crimson.parser.Parser2.parse(Parser2.java:304)[Container factory] at org.apache.crimson.parser.XMLReaderImpl.parse(XMLReaderImpl.java:433)[Container factory] at org.apache.crimson.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:179)[Container factory] at javax.xml.parsers.DocumentBuilder.parse(DocumentBuilder.java:86)[Container factory] at org.jboss.metadata.XmlFileLoader.getDocument(XmlFileLoader.java:148)[Container factory] at org.jboss.metadata.XmlFileLoader.getDocument(XmlFileLoader.java:132)[Container factory] at org.jboss.metadata.XmlFileLoader.load(XmlFileLoader.java:89)[Container factory] at org.jboss.ejb.ContainerFactory.deploy(ContainerFactory.java, Compiled Code)[Container factory] at org.jboss.ejb.ContainerFactory.deploy(ContainerFactory.java, Compiled Code)[Container factory] at org.jboss.ejb.ContainerFactory.deploy(ContainerFactory.java, Compiled Code)[Container factory] at java.lang.reflect.Method.invoke(Native Method)[Container factory] at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1628)[Container factory] at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1523)[Container factory] at org.jboss.deployment.J2eeDeployer.startApplication(J2eeDeployer.java, Compiled Code)[Container factory] at org.jboss.deployment.J2eeDeployer.deploy(J2eeDeployer.java:178)[Container factory] at java.lang.reflect.Method.invoke(Native Method)[Container factory] at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1628)[Container factory] at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1523)[Container factory] at org.jboss.ejb.AutoDeployer.deploy(AutoDeployer.java:358)[Container factory] at org.jboss.ejb.AutoDeployer.run(AutoDeployer.java, Compiled Code)[Container factory] at org.jboss.ejb.AutoDeployer.startService(AutoDeployer.java, Compiled Code)[Container factory] at org.jboss.util.ServiceMBeanSupport.start(ServiceMBeanSupport.java:93)[Container factory] at java.lang.reflect.Method.invoke(Native Method)[Container factory] at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1628)[Container factory] at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1523)[Container factory] at org.jboss.util.ServiceControl.start(ServiceControl.java, Compiled Code)[Container factory] at java.lang.reflect.Method.invoke(Native Method)[Con
RE: [JBoss-user] from mod_jserv to mod_jk problems
this is a Tomcat question, if you get it to work on standalone tomcat, it is guaranteed to work on the embedded one too take a look at the tomcat documentation (RTFM :) Filip ~ Namaste - I bow to the divine in you ~ Filip Hanik Software Architect [EMAIL PROTECTED] www.filip.net > -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED]]On Behalf Of Marcel > Schepers > Sent: Tuesday, May 01, 2001 10:59 AM > To: [EMAIL PROTECTED] > Subject: [JBoss-user] from mod_jserv to mod_jk problems > > > Hi everybody, > > this is not directly a jboss related question, but I think it is > relevant. I am now using apache in conjunction with mod_jserv to serve > servlets on my webserver. These servlets are in a variety of > directories, however none of them called .../servlet/.. > Because I want to migrate to the combination of apache and the > integrated jboss/tomcat architecture in order to deploy EJBs, I would > like to know if it is possible to create "custom" subdirectories from > which to serve my old servlets, so I don't have to rewrite the > existing sites. Maybe I should say URLs instead of subdirectories. > For instance a login servlet with the url http://myserver/modules/Login... > Creating http://myserver/modules/servlet/Login is very > straightforward, but I am at a loss at how to get the old URL > operational. > It would also be very helpful if I could leave the filestructures of > the old sites intact, but all help will be greatly appreciated. > > Thank you very much in advance, > Jeroen & Marcel > > > > > > > ___ > JBoss-user mailing list > [EMAIL PROTECTED] > http://lists.sourceforge.net/lists/listinfo/jboss-user > ___ JBoss-user mailing list [EMAIL PROTECTED] http://lists.sourceforge.net/lists/listinfo/jboss-user
RE: [JBoss-user] I really need the help
http://www.jboss.org/documentation/HTML/ch06s05.html
~
Namaste - I bow to the divine in you
~
Filip Hanik
Software Architect
[EMAIL PROTECTED]
www.filip.net
> -Original Message-
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of Steve Zhang
> Sent: Friday, April 27, 2001 1:24 PM
> To: [EMAIL PROTECTED]
> Subject: [JBoss-user] I really need the help
>
>
> HI all:
> I am using a session bean to call a entity bean. like following:
>
> public class SignInLoggerManagerEJB implements javax.ejb.SessionBean
> {
> privateSignInLoggerHome mySignInloggerHome;
>
> public SignInLoggerManagerEJB(){}
>public void ejbRemove(){}
> public void ejbActivate(){}
>
> public void ejbPassivate(){}
> public void setSessionContext(javax.ejb.SessionContext sc){}
> public void ejbCreate()
>
> public void generateSignInloggerHome(){
> String signInloggerHomeName =
> "SignInLogger";//JndiBeanName.SIGN_IN_LOGGER;
>try{
> InitialContext jndiContext = new InitialContext();
> Object ref = jndiContext.lookup("SignInLogger");
> mySignInloggerHome = (SignInLoggerHome)
> PortableRemoteObject.narrow(ref, SignInLoggerHome.class);
> }
> catch ( Exception ex){
> throw new GeneralEjbException(ex);
> }
> }
> }
>
> in my generateSignInloggerHome() function I can not lookup the name of the
> entity bean SignInLogger. Actially in the entity bean's ejb-jar file and
> jboss.xml the jndi name is SignInLogger, why I can not look up?
> what should
> I do?
>
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RE: [JBoss-user] downloading the docs for local browsing
check out the "manual" cvs module from sourceforge then just build it and voila, you have the docs Filip ~ Namaste - I bow to the divine in you ~ Filip Hanik Software Architect [EMAIL PROTECTED] www.filip.net > -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED]]On Behalf Of Maxime > Levesque > Sent: Thursday, April 26, 2001 8:18 AM > To: [EMAIL PROTECTED] > Subject: [JBoss-user] downloading the docs for local browsing > > > > The online browsable docs are great, > but i'd like to download them, they > don't seem to be packaged for downloading... > > (I live in an area where a dial up connection > is the only choice)... > > > __ > Do You Yahoo!? > Yahoo! Auctions - buy the things you want at great prices > http://auctions.yahoo.com/ > > ___ > JBoss-user mailing list > [EMAIL PROTECTED] > http://lists.sourceforge.net/lists/listinfo/jboss-user > ___ JBoss-user mailing list [EMAIL PROTECTED] http://lists.sourceforge.net/lists/listinfo/jboss-user
RE: [JBoss-user] Can JBoss allow native code in beans/one JVM per bean?
Title: Can JBoss allow native code in beans/one JVM per bean? yes it is possible, however you would be violating the rules of the EJB spec. your bean now becomes dependent on the local system the bean is running on. the bean is no longer portable. the same goes for java.io operations what you can do is this EJB BEAN -> JAVA OBJECT -> JNI -> NATIVE LIBRARY and you can make the JAVA OBJECT thread safe and that will take care of both the issues. Filip ~Namaste - I bow to the divine in you~Filip HanikSoftware Architect[EMAIL PROTECTED]www.filip.net -Original Message-From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Cook, RichardSent: Friday, April 20, 2001 8:30 AMTo: [EMAIL PROTECTED]Subject: [JBoss-user] Can JBoss allow native code in beans/one JVM per bean? I'm wondering about JBoss' ability to run JNI/native code in beans. We would most likely have stateless session beans that would call legacy C code, code that is not thread-safe. This brings up two questions: Is it possible to use native code in JBoss? The J2EE spec states that you cannot load native librares in a bean, only the container can do that, but you can call native code in a bean. Looking at mailing lists, documentation for varios J2EE vendors it appears that this is an obscure part of the spec that not a lot of attention is given to, and how or if it's done varies from vendor to vendor. Is it possible to set up JBoss so that each bean would be run in its own JVM, either on one machine or on multiple machines? This way we can ensure that the legacy non-thread-safe code would run OK. Thanks, Richard
RE: [JBoss-user] ResultSet or minerva.ResultSetInPool
The code we use: l_query= "SELECT noticia FROM noticias"; l_pstmt = l_con.prepareStatement(l_query); l_rst = l_pstmt.executeQuery(); // which of the next two lines should be here?? a) l_rst2 = ((org.jboss.minerva.jdbc.ResultSetInPool)l_rst).getUnderlyingResultSet(); // JBOSS b) l_rst2 = ((org.opentools.minerva.jdbc.ResultSetInPool)l_rst).getUnderlyingResultSet() ; // JBOSS while (l_rst2.next()) the easiest way to find out is to add this line System.out.println( l_rst2.getClass().getName() ); ^^ before line a) and b) I couldn't tell you on top of my head which one it is, but this will tell you Filip ~ Namaste - I bow to the divine in you ~ Filip Hanik Software Architect [EMAIL PROTECTED] www.filip.net > -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED]]On Behalf Of danch > Sent: Thursday, April 19, 2001 11:17 AM > To: [EMAIL PROTECTED] > Subject: Re: [JBoss-user] ResultSet or minerva.ResultSetInPool > > > He's casting what was returned from executeQuery so that he can call > getUnderLyingResultSet. > > Filip Hanik wrote: > > > > getUnderLyingResultSet returns a java.sql.ResultSet, and if you > are using > ___ JBoss-user mailing list [EMAIL PROTECTED] http://lists.sourceforge.net/lists/listinfo/jboss-user
RE: [JBoss-user] ResultSet or minerva.ResultSetInPool
getUnderLyingResultSet returns a java.sql.ResultSet, and if you are using
racle then it returns oracle.jdbc.ResultSet or something like that, you have
to look up the exact class.
you get a classcast exception because you think it is a Minerva resultset.
getUnderLyingResultSet returns the actual driver's result set, not minervas
filip
~
Namaste - I bow to the divine in you
~
Filip Hanik
Software Architect
[EMAIL PROTECTED]
www.filip.net
> -Original Message-
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of Jose Ramon
> Diaz
> Sent: Thursday, April 19, 2001 10:42 AM
> To: JBOSS Mail List
> Subject: [JBoss-user] ResultSet or minerva.ResultSetInPool
>
>
> Hi,
>
> We are trying to obtain a ResultSet from an Oracle database. We find
> a trouble with Minerva types,
> We are using JBoss 2.2, with JDBC 2.0 and Oracle 8.1.7.
>
> We are using MinervaPool driver for the JDBC. In our configuration
> files,
> - jboss.jcml: We use 'org.jboss.minerva.xa.XADataSourceImpl' in
> the Pool configuration
> - jboss.properties:
> #jboss.xa.xidclass=oracle.jdbc.xa.OracleXid
>
> First, is OraclePool (oracle.jdbc.xa.client.OracleXADataSource) better
> than MinervaPool (org.jboss.minerva.xa.XADataSourceImpl) ?
> Second, When we try to execute a ResultSet from the EJB it throws:
>
> [noticiasAccesoBD] Exception in
> noticiasAccesoBD::obtenerNoticiasBoletin()
> [noticiasAccesoBD] java.lang.ClassCastException:
> org.opentools.minerva.jdbc.ResultSetInPool
> [noticiasAccesoBD] at
> es.westlaw.noticiasAccesoBDBean.obtenerNoticiasBoletin(Compiled Code)
>
> The code we use:
> l_query= "SELECT noticia FROM noticias";
> l_pstmt = l_con.prepareStatement(l_query);
> l_rst = l_pstmt.executeQuery();
> // which of the next two lines should be here??
> // l_rst2 =
> ((org.jboss.minerva.jdbc.ResultSetInPool)l_rst).getUnderlyingResultSet()
> ; // JBOSS
> l_rst2 =
> ((org.opentools.minerva.jdbc.ResultSetInPool)l_rst).getUnderlyingR
> esultSet()
> ; // JBOSS
> while (l_rst2.next())
>{
> l_noticiasCLOB = ((OracleResultSet)l_rst2).getCLOB(1);
>}
>
>Any help would be appreciated...
>
> Thanks in advance...
>
> Jose R. & Juan
>
>
>
>
>
>
>
>
>
>
>
>
> ___
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>
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RE: [JBoss-user] Not so much JBoss, but XSL/XSLT
not that this will solve your problem, it may help you fix it. http://www-106.ibm.com/developerworks/xml/library/x-xslt2/index.html?open&l= bigx-2,t=gr,p=x.saxon I know that we used to cache the parsed XSL sheet, this way we increased our performance dramatically, otherwise, the XSLT parser has to parse the XSL everytime you use it. Filip ~ Namaste - I bow to the divine in you ~ Filip Hanik Software Architect [EMAIL PROTECTED] www.filip.net -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Sent: Wednesday, April 18, 2001 7:55 AM To: [EMAIL PROTECTED] Subject: RE: [JBoss-user] Not so much JBoss, but XSL/XSLT We have run it under Optimize It and the objects appear to be cleaning up properly - in fact, the profiling tool showed us that there was a HUGE number of objects being used just to do a single transformation (as per the XSLT implementation)!! We've thought about the idea of clustering more, smaller sized VM's, but figured that would take a bit more programming to pull off. We had tried running a test case in multiple VM's, but that didn't help too much because the added overhead of the additional VM's killed us (which may be due to how we had tuned the vm settings.) Anyways, back to the drawing board... Robert Robert Schulz <[EMAIL PROTECTED]> Sent by: [EMAIL PROTECTED] 04/17/2001 07:22 PM Please respond to jboss-user To:"'[EMAIL PROTECTED]'" <[EMAIL PROTECTED]> cc: Subject:RE: [JBoss-user] Not so much JBoss, but XSL/XSLT Don't know about XSL but this sounds like a VM garbage collection problem. What seems to happen with large heap sizes is that it keeps allocating without collecting and then gets tangled up when trying to collect ... try clustering over a number of smaller heap size virtual machines. Also, use some profileing tool (optimize it) to see what's happening and whether you are hanging on to no longer needed objects. R. -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] Sent: Wednesday, 18 April 2001 8:29 To: [EMAIL PROTECTED] Subject: [JBoss-user] Not so much JBoss, but XSL/XSLT Sorry to post this here, but I know more eyes will see it. We've looked at a number of different XSL/XSLT Processors and found one that is documented fairly well, runs fast, but apparently doesn't scale very well. For example, at up to loads of about 300 users it performs very well. But, go beyond that, say to 500 users and it just crawls like a dog - running on a 4-CPU (700MHz each) box with 4G ram!! The cpus are running at about 80% capacity and our memory usage is over 1G (for whatever reason, we can't set the heap size any larger than that). So - anyone have any experiences with XSL transformations and scalability?? I'd love to know. Robert ___ JBoss-user mailing list [EMAIL PROTECTED] http://lists.sourceforge.net/lists/listinfo/jboss-user
RE: [JBoss-user] Jboss and Log4j
you can easily load a property file using the class loader.
this means that you don't have to know the location of your property file,
you will simply load it from the class path
Thread.currentThread().getContextClassLoader().getResourceAsStream("yourprop
ertyfile.properties");
will do the trick for you
Filip
~
Namaste - I bow to the divine in you
~
Filip Hanik
Software Architect
[EMAIL PROTECTED]
www.filip.net
> -Original Message-
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of Simphoukham,
> Southin
> Sent: Monday, April 16, 2001 9:47 AM
> To: '[EMAIL PROTECTED]'
> Subject: RE: [JBoss-user] Jboss and Log4j
>
>
> With Log4j you have several options: a properties file, a xml
> file, or java
> properties. The first two, you must open up a FileInputStream, therefore
> you must provide the location of the file. That works great if you are
> using Windows but with Unix the structure is a bit different plus I wanted
> to have everything in a war file. I tried jarring it up and using java.io
> via jarinputstream to read the file, etc. Major headache. The easiest way
> was to place the info into a constants file, obviously not the best way
> since you have to hard code. For me if I have to hard code something it
> sits in a constants file.
>
> import org.apache.log4j.PropertyConfigurator;
> import org.apache.log4j.*;
> import org.apache.log4j.Category.*;
>
> eg:
>
> this.serviceProperties = new Properties();
>
> this.serviceProperties.setProperty("log4j.rootCategory",com.Consta
> nts.ROOT_C
> ATEGORY);
>
> this.serviceProperties.setProperty("log4j.appender.A1",com.Constan
> ts.PowerCo
> nstants.A1);
>
>
> //this class from log4j does all the work involved in
> setting up the
> file
>
> PropertyConfigurator.configure(this.serviceProperties);
>
> My constants file looks like this.
>
> public final static String ROOT_CATEGORY = ", A1, A2";
> public final static String A1 = "org.apache.log4j.FileAppender";
> public final static String A1_FILE = "System.out";
>
> Southin
>
> -Original Message-
> From: Miranda Carlos [mailto:[EMAIL PROTECTED]]
> Sent: Monday, April 16, 2001 11:13 AM
> To: [EMAIL PROTECTED]
> Subject: RE: [JBoss-user] Jboss and Log4j
>
>
>
> How ?
> Thanks .-
>
> -Original Message-
> From: Simphoukham, Southin [ mailto:[EMAIL PROTECTED]
> <mailto:[EMAIL PROTECTED]> ]
> Sent: Viernes, 13 de Abril de 2001 06:12 p.m.
> To: '[EMAIL PROTECTED]'
> Subject: RE: [JBoss-user] Jboss and Log4j
>
>
> I solved the problem. Put everything into properties, hard code it to a
> constants file.
>
> -Original Message-
> From: Simphoukham, Southin [ mailto:[EMAIL PROTECTED]
> <mailto:[EMAIL PROTECTED]> ]
> Sent: Friday, April 13, 2001 11:04 AM
> To: '[EMAIL PROTECTED]'
> Subject: [JBoss-user] Jboss and Log4j
>
>
>
> Does JBoss 2.2 integrate Log4J? Has anyone tried using it with JBoss? I
> remember seeing a thread on it.
>
> I am working on the logging portion of my application. It works great in
> Windows NT and 2000. Once I port it over to Unix, Log4J cannot find the
> configuration file. Ideally I would like to drop the configuration file
> into a war file so I can just drop it into the deploy directory.
> My problem
>
> now is how do I read the properties file from a war file and put
> it into an
> inputstream.
>
> Thanks,
>
> Southin
>
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>
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>
>
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RE: [JBoss-user] Why does Tomcat create session very slowly?
the problem is the random initalizer. you can set it to use java.util.Random instead of java.security.Randomsomething this will be a lot faster. take a look at the Tomcat mail list archives. Filip ~ Namaste - I bow to the divine in you ~ Filip Hanik Software Architect [EMAIL PROTECTED] www.filip.net > -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED]]On Behalf Of Michael > Quigley > Sent: Tuesday, April 03, 2001 12:13 PM > To: [EMAIL PROTECTED] > Subject: Re: [JBoss-user] Why does Tomcat create session very slowly? > > > I've noticed the same behavior. And once Tomcat is up and running the lag > never re-appears. > > Tomcat does this even when it's running outside of JBoss. > > > - Original Message - > From: suyan zhu > To: [EMAIL PROTECTED] > Sent: Tuesday, April 03, 2001 2:15 PM > Subject: [JBoss-user] Why does Tomcat create session very slowly? > > > When an application starts up, Tomcat creates a new session very slow. > What's the problem? JBoss, or Tomcat? > Thanks, > Suyan, > > > > > Do You Yahoo!? > Yahoo! Mail Personal Address - Get email at your own domain with Yahoo! > Mail. > > > ___ > JBoss-user mailing list > [EMAIL PROTECTED] > http://lists.sourceforge.net/lists/listinfo/jboss-user > ___ JBoss-user mailing list [EMAIL PROTECTED] http://lists.sourceforge.net/lists/listinfo/jboss-user
RE: [JBoss-user] How to deploy an external jar in JBoss?
WEB-INF/lib Filip ~Namaste - I bow to the divine in you~Filip HanikSoftware Architect[EMAIL PROTECTED]www.filip.net -Original Message-From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of suyan zhuSent: Monday, April 02, 2001 5:14 PMTo: [EMAIL PROTECTED]Subject: [JBoss-user] How to deploy an external jar in JBoss? I'd like to deploy an external jar file(e.g jdom.jar) used by the war of an application in JBoss. How should it be specified in deployment descriptor, or Manifest.mf? Thanks, Suyan, Do You Yahoo!?Yahoo! Mail Personal Address - Get email at your own domain with Yahoo! Mail.
RE: [JBoss-user] I need ammo. -WL SUX
> |So one, BEA screwed up using multicast for messaging large > amounts of data > |in a cluster. Other products like Gemstone have a much more > mature cluster > |technology and do not need to message to stay in synch. > > that is actually pretty smart (mcast sync of ball) we were > planning on using > that... if they ran into problems likeliness is we will too > > marc Unless, you have a framework that implements reliable multicasting, like www.javagroups.com, I'm still researching and digging into this technology to see if it would be a fit. As of now, it looks really good, but it is a little bit built to be its own application instead of a component inside of a server application. The statement here, is about thread handling can not be controlled from outside, and when developing an EJB server you have to be able to control most of the threads. Will send you all more feedback once I get really down and dirty with this one. Filip ~ Namaste - I bow to the divine in you ~ Filip Hanik Software Architect [EMAIL PROTECTED] www.filip.net ___ JBoss-user mailing list [EMAIL PROTECTED] http://lists.sourceforge.net/lists/listinfo/jboss-user
RE: [JBoss-user] What is the "beta" in jboss-tomcat-2.1-beta.zip?
beta means beta. almost all features complete not fully tested/verified to be considered production quality. that is what beta means to most software organizations :) Filip ~Namaste - I bow to the divine in you~Filip HanikSoftware Architect[EMAIL PROTECTED]www.filip.net -Original Message-From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Chunnuan ChenSent: Friday, March 30, 2001 10:40 AMTo: [EMAIL PROTECTED]Subject: [JBoss-user] What is the "beta" in jboss-tomcat-2.1-beta.zip?Hi, When I download the binary for . JBoss_tomcat.zip (8.75M) [MAR-26-2001] the file name is jboss-tomcat-2.1-beta.zip. What does the "beta" within the filename mean (seeing this word just makes me feel not so comfortable)? Does it mean the Jboss 2.1 itself is in beta release? If so, why doesn't the download page state that? Thanks, Chunnuan
RE: [JBoss-user] JBoss questions...
> You mentioned that 'true 2 phase commit' is not implemented in JBoss? The > logging of the JBoss console at startup outputs: > > [SQLServerPool] Starting > [SQLServerPool] XA Connection pool SQLServerPool bound to > java:/SQLServerPool > [SQLServerPool] Started Well. that is the jdbc driver that implements the XA protocol. This means that if the server was able to handle distributed transactions, the underlying driver will support that. so for a distributed transaction to work across multiple database servers to work it requires a) the driver to handle two phase commits and b) the server to implement the logic for the distributed transactions. now, if I remember correctly, jboss doesn't seem to have support for distributed transactions, but hey, I could be full of shit, so if I am please correct me :) Filip ~ Namaste - I bow to the divine in you ~ Filip Hanik Software Architect [EMAIL PROTECTED] www.filip.net ___ JBoss-user mailing list [EMAIL PROTECTED] http://lists.sourceforge.net/lists/listinfo/jboss-user
RE: [JBoss-user] so I've created an MBean...how to I access it?
couldn't you use the HTTP connector (MBean) that comes with the reference implementation, this lets you manage your bean through a browser? Filip ~ Namaste - I bow to the divine in you ~ Filip Hanik Software Architect [EMAIL PROTECTED] www.filip.net > -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED]]On Behalf Of Liu, Kenneth > Albert (Kenneth)** CTR ** > Sent: Thursday, March 29, 2001 3:50 PM > To: [EMAIL PROTECTED] > Subject: [JBoss-user] so I've created an MBean...how to I access it? > > > So I created a ServiceMBean for my system, and now I am ready to create a > client to it. This particular MBean initializes and starts an > engine that I > am using and holds on to the instance of it. I would now like to access > this instance. > > What I've done is created a getInstance() on the MBean's interface and > implementation which returns an instance of the engine. > > Is it preferred to access an MBean by using the management API to > invoke the > method, or is it better to go some other route (perhaps by placing the > engine in JNDI). > > I am having some difficulty understanding whether the JMX APIs > should really > be preferred only for "management" code, or if it should be used > for general > application development (i.e. servlets and EJBs or POJOs). > > Ken > > ___ > JBoss-user mailing list > [EMAIL PROTECTED] > http://lists.sourceforge.net/lists/listinfo/jboss-user > ___ JBoss-user mailing list [EMAIL PROTECTED] http://lists.sourceforge.net/lists/listinfo/jboss-user
RE: [JBoss-user] JBoss questions...
> 1) when using BMP how do you return a database connection to the pool when > your finished with it? Connection.close(); > > 2) can JBoss perform distributed transactions with SQL Server? If so, is > there any information showing how to do this with BMP? > nope, true 2 phase commit is not implemented,. the only server that has it is Weblogic 6.0 > 3) our current RMI based app executes batch jobs in a thread on > the server, > and these threads pound SQL Server. Given that EJB doesnt allow > new threads > to be spawned, how can this be achieved using the EJB model? use JMS to do asynchronous requests > 4) does/will JBoss support load balancing between multiple JBoss > app servers > running concurrently on different win2000 boxes? yes, if it is stateful loadbalancing, it your request gets pinned to a machine when the connection is established. true loadbalancing is underway. > 5) is there any published schedule of the planned upcoming > releases and what > th dunno Filip ~ Namaste - I bow to the divine in you ~ Filip Hanik Software Architect [EMAIL PROTECTED] www.filip.net > -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED]]On Behalf Of > Crothers.Dean > Sent: Thursday, March 29, 2001 1:57 PM > To: [EMAIL PROTECTED] > Subject: [JBoss-user] JBoss questions... > > > Hi, > > I've looked on the website and thru the archives, but couldnt find answers > to the following questions. > > But first some background, we plan to use JBoss 2.1 on Win2000 > with multiple > SQL Server databases (potentially on different boxes). > > 1) when using BMP how do you return a database connection to the pool when > your finished with it? > > 2) can JBoss perform distributed transactions with SQL Server? If so, is > there any information showing how to do this with BMP? > > 3) our current RMI based app executes batch jobs in a thread on > the server, > and these threads pound SQL Server. Given that EJB doesnt allow > new threads > to be spawned, how can this be achieved using the EJB model? > > 4) does/will JBoss support load balancing between multiple JBoss > app servers > running concurrently on different win2000 boxes? > > 5) is there any published schedule of the planned upcoming > releases and what > they will contain? > > > thanks, > > Dean > > ___ > JBoss-user mailing list > [EMAIL PROTECTED] > http://lists.sourceforge.net/lists/listinfo/jboss-user > ___ JBoss-user mailing list [EMAIL PROTECTED] http://lists.sourceforge.net/lists/listinfo/jboss-user
RE: [JBoss-user] embedding JBoss into another application
take a look at OpenJoda from mycomponents.com it aint pretty, but they did it :) Filip ~ Namaste - I bow to the divine in you ~ Filip Hanik Software Architect [EMAIL PROTECTED] www.filip.net > -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED]]On Behalf Of chad t > Sent: Thursday, March 29, 2001 8:16 AM > To: post > Subject: [JBoss-user] embedding JBoss into another application > > > Is there any documentation about how to embed JBoss > into another Java application? I would like to get a > general idea about how this is done and invite anyone > that has already addressed this issue to comment. > > __ > Do You Yahoo!? > Get email at your own domain with Yahoo! Mail. > http://personal.mail.yahoo.com/?.refer=text > > ___ > JBoss-user mailing list > [EMAIL PROTECTED] > http://lists.sourceforge.net/lists/listinfo/jboss-user > ___ JBoss-user mailing list [EMAIL PROTECTED] http://lists.sourceforge.net/lists/listinfo/jboss-user
RE: [JBoss-user] S L O W getSession(true)
I would guess that it would be the random initializer in Tomcat.
Tomcat had a bug on this, and there is a flag
something like -Drandom=java.util.Random that would solve the problem.
("By default this is "java.security.SecureRandom".
Specifying "java.util.Random" will speed up Tomcat startup,
but it will cause sessions to be less secure.")
look in the tomcat archives, and you will find your solution.
Filip
~
Namaste - I bow to the divine in you
~
Filip Hanik
Software Architect
[EMAIL PROTECTED]
www.filip.net
> -Original Message-
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of John
> Sidney-Woollett
> Sent: Tuesday, March 27, 2001 1:24 PM
> To: '[EMAIL PROTECTED]'
> Subject: [JBoss-user] S L O W getSession(true)
>
>
> I am running JBoss 2.1 + Tomcat on NT4 and also on RedHat linux 6.2.
>
> One of my servlets checks for a session object for the user, and creates
> one if it does not exist. The java code within the servlet service(req,
> res) method for the servlet is below:
>
> //create or get the session info, if the
> subclassed servlet
> //has enabled this indicator
> if (useSessionInfo) {
> //get the session or create it if necessary
> session = servReq.getSession(true);
> }
>
> If the session object needs creating AND you are the first user to have
> requested a new session since JBoss/Tomcat started up, you have to wait
> about 10 seconds for the code to execute the line
>
> session = servReq.getSession(true);
>
> If the session object already exists, then the call takes no time at all
> (as expected). If you are another user from another machine
> (effectively a
> new session) then the call also executes VERY quickly.
>
> Any one have any ideas why the call takes so long the first time it is
> executed? And can it be speeded up somehow?
>
> Thanks
>
> John Sidney-Woollett
>
>
> ___
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RE: [JBoss-user] help needed: don't understand exception
it would be helpful if you provided us with your code and your database table structure. somehow your code (CMP) calls setObject with java.sql.Timestamp object, when something else is expected. Filip ~ Namaste - I bow to the divine in you ~ Filip Hanik Software Architect [EMAIL PROTECTED] www.filip.net > -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED]]On Behalf Of fractals > Sent: Wednesday, March 07, 2001 1:17 PM > To: [EMAIL PROTECTED] > Subject: [JBoss-user] help needed: don't understand exception > > > I get the following exception on attempt to create an ejb: > > java.rmi.ServerException: Store failed; nested exception is: > java.lang.ClassCastException: java.sql.Timestamp > at org.postgresql.jdbc2.PreparedStatement.setObject > (PreparedStatement.java:480) > > the jaws.xml is correctly set though,... > > Just in case someone already faced the same problem, or someone just knows > all conditions under which the same exception occurs,... > > thanks in advance, > > Candide > > > ___ > JBoss-user mailing list > [EMAIL PROTECTED] > http://lists.sourceforge.net/lists/listinfo/jboss-user > ___ JBoss-user mailing list [EMAIL PROTECTED] http://lists.sourceforge.net/lists/listinfo/jboss-user
RE: [JBoss-user] Problem with ORACLE CMP and BLOBS
technet.oracle.com has all the info you need to write your paper. > > For those who do not know much about LOB data (BLOB, CLOB etc) > versus LONG > > data (LONGVARBINARY, LONGVARCHAR etc) under Oracle, I am > thinking of putting > > a short whitepaper about this on my webserver. > > > > Give me some feedback on the level of interest, as this will not be a > > trivial effort. > > i'd be interested to read something about this. Filip ~ Namaste - I bow to the divine in you ~ Filip Hanik Software Architect [EMAIL PROTECTED] www.filip.net > -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED]]On Behalf Of Donald Ball > Sent: Friday, March 23, 2001 6:00 PM > To: [EMAIL PROTECTED] > Subject: Re: [JBoss-user] Problem with ORACLE CMP and BLOBS > > > On Sat, 24 Mar 2001, Peter Routtier-Wone wrote: > > > For those who do not know much about LOB data (BLOB, CLOB etc) > versus LONG > > data (LONGVARBINARY, LONGVARCHAR etc) under Oracle, I am > thinking of putting > > a short whitepaper about this on my webserver. > > > > Give me some feedback on the level of interest, as this will not be a > > trivial effort. > > i'd be interested to read something about this. > > - donald > > > ___ > JBoss-user mailing list > [EMAIL PROTECTED] > http://lists.sourceforge.net/lists/listinfo/jboss-user > ___ JBoss-user mailing list [EMAIL PROTECTED] http://lists.sourceforge.net/lists/listinfo/jboss-user
RE: [JBoss-dev] Re: [JBoss-user] A little BMP philosophy/understanding
oops, we are cross posting, no good, sorry about that. > I'm re-writing the PreparedStatement cache > - so that it is configurable from jboss.jcml. I can no way right now > other than changing the source directly of configuring the PS cache size. > - so that connections watch all open cursors that are created(Statements > and PreparedStatements). Basically if you have 50 PreparedStatements > cached, your max open cursors is 50, and you want to createStatement, > I'm making the connection release one of the cached PreparedStatement so > that the new createStatement won't fail. remember that during a transaction, the connection (JDBC 1) used gets associated with the transaction context. hence, other transactions/threads will not be accessing the connection during that time since they are not involved in this DB transaction. why would you want to keep the cursors open. once you retrieved your resultset, your are done with the cursor and should close it. the prepared statement is nothing but precompiled (during runtime) SQL, and if the connection should keep this precompiled statement alive on the database, not through the PreparedStatement reference that the programmer holds in his code. can somebody please tell *ME* to shut up, if I am completely off balance here :) Filip ~ Namaste - I bow to the divine in you ~ Filip Hanik Software Architect [EMAIL PROTECTED] www.filip.net > -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED]]On Behalf Of Bill > Burke > Sent: Thursday, March 22, 2001 2:57 PM > To: [EMAIL PROTECTED] > Cc: [EMAIL PROTECTED] > Subject: [JBoss-dev] Re: [JBoss-user] A little BMP > philosophy/understanding > > > In JBoss 2.1 (minerva beta3?) the PreparedStatement cache does have a > limit. Also, when the cache reaches it's limit, it removes the least > recently used PS and closes it. > > - Is it useful to block if the max open cursors have been reached when > creating a new Statement or PreparedStatement? This would only be > useful if more the one thread had access to the connection, but does > that ever happen, and is it allowed to happen? > > Bill > > Mike Jau wrote: > > > So, the caching of the PreparedStatement is stored in the database > > connection context and is not shared between the database connection. > > I am thinking a work around way and it may solve the caching > > issue. If we have the "named connection" from the pool with the > > lifecyclye control to release the PreparedStatement from the > > applicaiton which invoke the container specific API, it probably can > > solve the problem. > > > > > > > > - Mike Jau > > > > -Original Message- > > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] > > Sent: Thursday, March 22, 2001 1:25 PM > > To: [EMAIL PROTECTED] > > Subject: RE: [JBoss-user] A little BMP philosophy/understanding > > > > > > In the original JBoss 2.0 version the PreparedStatement cache was > > not discarded after the connection was returned to the pool > > because more than likely you might want to issue that one of these > > PreparedStatements again. To make matters worse there wasn't an > > upper limit on the number of PreparedStatement objects in the > > cache so things would continue to grow as you prepared new SQL > > statements. If you happened to prepare the same exact SQL > > statement then you received the previously cached > > PreparedStatement object but otherwise you got a new > > PreparedStatement that was also added to the cache. This would > > continue until either a) the database complained or b) you ran out > > of memory which ever came first. On Oracle, for example, each > > PreparedStatement takes memory on the database and once you hit > > 100 or so the database throws an exception when you try to get > > another one. > > > > I patched the code by releasing the PreparedStatement cache when > > the Connection was released and submitted that fix but I'm not > > sure it was accepted. What really needs to happen is that the > > PreparedStatement cache needs to be enhanced so that an upper > > bound can be established via a configuration variable so that > > after x PreparedStatements have been cached new PreparedStatements > > will push one of the old ones out of the cache. > > > > - Jon Harvie > > > > > > > > > > Mike Jau <[EMAIL PROTECTED]> > > Sent by: [EMAIL PROTECTED] > > > > 03/22/2001 12:42 PM > > Please respond
RE: [JBoss-user] A little BMP philosophy/understanding
ok, let's separate out two very different topics
1. Connection pooling.
Yes for JDBC 1.x JBoss is implementing the connection pool (see minerva)
This connection pool is a wrapper around any existing JDBC compliant driver.
when you call connection.close() minerva actually just returns the
connection to the pool.
2. Prepared statement caching.
I thought I was clear on this one, let me start all over.
In 1997 when JDBC driver developers implemented the prepared statements in
such away that the programmer held a reference to a statement object
directly connected to the database. In this case you as a programmer had to
cache the statements yourself.
These days, the programmer doesn't get hold of a direct reference.
When you call close on the prepared statement, the driver knows not to drop
the temporary procedure on the database server. In case you didn't know, a
prepared statement just gets compiled into a temporary stored procedure (or
something similar).
Minerva, (that I belive was built in the early days) still has code that
does some statement caching. with most drivers today that code is redundant,
and in some cases can even cause problems.
If you have any questions, please let me know.
Filip
JDBC code should always look like this (always close the connection inside
the same method)
otherwise you may experience problems debugging where your connections get
lost etc.
public void mymethod()
{
Connection con = null;
PreparedStatement pstmt = null;
try
{
con = getConnection();
pstmt = con.prepareStatement("my sql string");
ResultSet rs = pstmt.executeQuery();
...bla bla bla...
}
finally
{
try
{
pstmt.close();
con.close();
}catch (Exception ignore() {}
}//finally
}
~
Namaste - I bow to the divine in you
~
Filip Hanik
Software Architect
[EMAIL PROTECTED]
www.filip.net
> -Original Message-
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of Mike Jau
> Sent: Thursday, March 22, 2001 2:30 PM
> To: '[EMAIL PROTECTED]'
> Subject: RE: [JBoss-user] A little BMP philosophy/understanding
>
>
> It seems that the JBOSS EJB container do need to implement the connection
> pooling and preparedstatement caching just because the JDBC driver already
> support them. Does the JDBC2.x and above support the connection pooling?
>
> Is JDBC2.x specification mention about the Preparedstatement caching?
>
> - Mike
>
> -Original Message-
> From: Filip Hanik [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, March 22, 2001 4:04 PM
> To: [EMAIL PROTECTED]
> Subject: RE: [JBoss-user] A little BMP philosophy/understanding
>
>
> > Doesn't this defeat the purpose of caching and prepared
> statements? If you
> > close the prepared statement then the db connection goes away
> > right? So why
> > used a prepared statmenet at all, beacuse it is never really
> prepared? It
> > seems to me the cache would need to keep at least one of each prepared
> > statement used to be of any value.
>
> no, you should not cache statements. If you are using prepared statements,
> it is on the level of the driver to make sure that they are cached.
>
> a prepared statement should give you the same performance even if
> you close
> them in your code, since it is handled by the driver, not by the
> programmer,
> or by jboss.
>
> caching statements goes back to 1997 when the drivers did not do this for
> you. now a days, almost all of them do.
>
> Filip
>
> ~
> Namaste - I bow to the divine in you
> ~
> Filip Hanik
> Software Architect
> [EMAIL PROTECTED]
> www.filip.net
>
> > -Original Message-
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED]]On Behalf Of Hansen,
> > Richard
> > Sent: Thursday, March 22, 2001 1:53 PM
> > To: '[EMAIL PROTECTED]'
> > Subject: RE: [JBoss-user] A little BMP philosophy/understanding
> >
> >
>
> >
> > Rick Hansen
> >
> > -Original Message-
> > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
> > Sent: Thursday, March 22, 2001 1:25 PM
> > To: [EMAIL PROTECTED]
> > Subject: RE: [JBoss-user] A little BMP philosophy/understanding
> >
> >
> >
> > In the original JBoss 2.0 version the PreparedStatement cache was not
> > discarded after the connection was returned to the pool because
> more than
> > likely you might want to issue that one of these
> PreparedStatements again.
> > To make matters worse there wasn't an upper limit on the number of
> > PreparedStatement objects in the cache so things would continue
> to grow as
> > you prepared new SQL statements. If you happened to prepare the
> sam
RE: [JBoss-user] A little BMP philosophy/understanding
> Doesn't this defeat the purpose of caching and prepared statements? If you > close the prepared statement then the db connection goes away > right? So why > used a prepared statmenet at all, beacuse it is never really prepared? It > seems to me the cache would need to keep at least one of each prepared > statement used to be of any value. no, you should not cache statements. If you are using prepared statements, it is on the level of the driver to make sure that they are cached. a prepared statement should give you the same performance even if you close them in your code, since it is handled by the driver, not by the programmer, or by jboss. caching statements goes back to 1997 when the drivers did not do this for you. now a days, almost all of them do. Filip ~ Namaste - I bow to the divine in you ~ Filip Hanik Software Architect [EMAIL PROTECTED] www.filip.net > -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED]]On Behalf Of Hansen, > Richard > Sent: Thursday, March 22, 2001 1:53 PM > To: '[EMAIL PROTECTED]' > Subject: RE: [JBoss-user] A little BMP philosophy/understanding > > > > Rick Hansen > > -Original Message- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] > Sent: Thursday, March 22, 2001 1:25 PM > To: [EMAIL PROTECTED] > Subject: RE: [JBoss-user] A little BMP philosophy/understanding > > > > In the original JBoss 2.0 version the PreparedStatement cache was not > discarded after the connection was returned to the pool because more than > likely you might want to issue that one of these PreparedStatements again. > To make matters worse there wasn't an upper limit on the number of > PreparedStatement objects in the cache so things would continue to grow as > you prepared new SQL statements. If you happened to prepare the same exact > SQL statement then you received the previously cached PreparedStatement > object but otherwise you got a new PreparedStatement that was > also added to > the cache. This would continue until either a) the database > complained or b) > you ran out of memory which ever came first. On Oracle, for example, each > PreparedStatement takes memory on the database and once you hit 100 or so > the database throws an exception when you try to get another one. > > I patched the code by releasing the PreparedStatement cache when the > Connection was released and submitted that fix but I'm not sure it was > accepted. What really needs to happen is that the PreparedStatement cache > needs to be enhanced so that an upper bound can be established via a > configuration variable so that after x PreparedStatements have been cached > new PreparedStatements will push one of the old ones out of the cache. > > - Jon Harvie > > > > Mike Jau <[EMAIL PROTECTED]> > Sent by: [EMAIL PROTECTED] > 03/22/2001 12:42 PM > Please respond to jboss-user > > To:"'[EMAIL PROTECTED]'" > <[EMAIL PROTECTED]> > cc: > Subject:RE: [JBoss-user] A little BMP > philosophy/understanding > > > > Could you give me some background information about the Preparedstaement > caching on the EJB container side? > > Since the connection get from pool need to return to pool once the > transaction done. I assumed that the resouce associate to this connection > should be released and the released resoure include the preparedstatement. > Later on, the create preparedstatement will be invoked again from > different > connection. How the preparedstatement cached is my question? > > > - Mike > > -Original Message- > From: Bill Burke [mailto:[EMAIL PROTECTED]] > Sent: Thursday, March 22, 2001 12:10 PM > To: [EMAIL PROTECTED] > Subject: Re: [JBoss-user] A little BMP philosophy/understanding > > > > > Dan Christopherson wrote: > > > On Fri, 23 Mar 2001, Peter Routtier-Wone wrote: > > > >>> Someone from this discussion group indicate that container might cache > the > >>> PreparedStatement. > >> > >> I can't speak with authority on this, but that rings true. I'm guessing > that > >> interception doesn't happen for the setEntityContext() method and > therefore > >> you actually create a PreparedStatement rather than receiving one from > the > >> pool. > >> > >>> Just for kicks, I gave it a try but transactions weren't completed and > >>> they'd just hang out there forever, blocking every other > persistence and > >>> finder method until they timed out. > >> > >> That would bollox lifecycle management, and the described behaviour >
RE: [JBoss-user] A little BMP philosophy/understanding
you should close the statements and connections. the code for using a connection pool should be the same as if you were not using a connection pool. ie transparent. when using a connection pool the con.close() call is an indicator for the pool that you are done with the connection and it is now available to other threads. > If not, should I open a connection in ejbCreate/ejbPostCreate/ejbActivate > and close it in ejbRemove/ejbPassivate? Will it speed up the things? this way you are going to run out of connections really fast and your system will not scale. because eventually the pool will be empty. Filip ~ Namaste - I bow to the divine in you ~ Filip Hanik Software Architect [EMAIL PROTECTED] www.filip.net > -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED]]On Behalf Of Alexander > Kogan > Sent: Thursday, March 22, 2001 1:23 PM > To: [EMAIL PROTECTED] > Subject: Re: [JBoss-user] A little BMP philosophy/understanding > > > Hello, > > I've been trying to follow this interesting discussion, but > now I'm lost. Let me explain my confusion: > > Usually in my BMP business methods I obtain a connection, > create prepared statements and close statements and the connection > at the very end of the method (assuming that jboss is caching > the connection and statements). > > Is that the right pattern? > > > Thanks in advance for any advice. > > Alex. > > > > > > Mike Jau wrote: > > > > So, the caching of the PreparedStatement is stored in the database > > connection context and is not shared between the database connection. I > > am thinking a work around way and it may solve the caching issue. If > > we have the "named connection" from the pool with the lifecyclye > > control to release the PreparedStatement from the applicaiton which > > invoke the container specific API, it probably can solve the problem. > > > > - Mike Jau > > > > -Original Message- > > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] > > Sent: Thursday, March 22, 2001 1:25 PM > > To: [EMAIL PROTECTED] > > Subject: RE: [JBoss-user] A little BMP > > philosophy/understanding > > > > In the original JBoss 2.0 version the PreparedStatement cache > > was not discarded after the connection was returned to the > > pool because more than likely you might want to issue that > > one of these PreparedStatements again. To make matters worse > > there wasn't an upper limit on the number of > > PreparedStatement objects in the cache so things would > > continue to grow as you prepared new SQL statements. If you > > happened to prepare the same exact SQL statement then you > > received the previously cached PreparedStatement object but > > otherwise you got a new PreparedStatement that was also added > > to the cache. This would continue until either a) the > > database complained or b) you ran out of memory which ever > > came first. On Oracle, for example, each PreparedStatement > > takes memory on the database and once you hit 100 or so the > > database throws an exception when you try to get another one. > > > > I patched the code by releasing the PreparedStatement cache > > when the Connection was released and submitted that fix but > > I'm not sure it was accepted. What really needs to happen is > > that the PreparedStatement cache needs to be enhanced so that > > an upper bound can be established via a configuration > > variable so that after x PreparedStatements have been cached > > new PreparedStatements will push one of the old ones out of > > the cache. > > > > - Jon Harvie > > > > Mike Jau <[EMAIL PROTECTED]> > > Sent by:To: > > [EMAIL PROTECTED] > "'[EMAIL PROTECTED]'" > > > <[EMAIL PROTECTED]> > > 03/22/2001 12:42 PM cc: > > Please respond to jboss-userSubject: > RE: > > [JBoss-user] A little BMP > > philosophy/understanding > > > > Could you give me some background information about the > > Preparedstaement > > caching on the EJB container side? > > > > Since the connection get from pool need to return to pool > > once the > > transaction done. I assumed that the resouce assoc
RE: [JBoss-user] JBoss user archive search doesn't work
are you running Win95 or Win98? you have to set the environment space for your dos prompt /e:4096 or something like that? Filip ~ Namaste - I bow to the divine in you ~ Filip Hanik Software Architect [EMAIL PROTECTED] www.filip.net > -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED]]On Behalf Of Pifen > Ellwood > Sent: Thursday, March 22, 2001 8:37 AM > To: [EMAIL PROTECTED] > Subject: [JBoss-user] JBoss user archive search doesn't work > > > Hi, > Can anyone provide a link to search the jboss-user archive? I got an error > msg everytime I tried to search via > http://www.geocrawler.com/lists/3/SourceForge > > I got Out of Environment Space error when I run Jboss. I know some one ask > the same question before. However, I can't search the archive so I'm sorry > to ask again here. > > Thanks > Pifen Ellwood > > > ___ > JBoss-user mailing list > [EMAIL PROTECTED] > http://lists.sourceforge.net/lists/listinfo/jboss-user > ___ JBoss-user mailing list [EMAIL PROTECTED] http://lists.sourceforge.net/lists/listinfo/jboss-user
