Could not init service for worker
Hi,
Goal: To have apache forward connections for a name based virtual host to
a Tomcat instance. No load balancing is fine for now.
Current state: Both Apache and Tomcat work separatly. When I request a
page that uses the connector I get a Internal Server Error (from
Apache). I also get the following error messages in the JkLogFile:
..
[debug] wc_get_worker_for_name::jk_worker.c (94): did not find a worker
ajp13w
[error] jk_handler::mod_jk.c (1813): Could not init service for
worker=ajp13w
I get the same message when Tomcat is running as well as when it is _not_
running.
Can someone point me to why the service for my worker could not be
initialized?
Thanks,
Spencer
My setup: Linux, Apache 1.3, Tomcat 5.0.28, jk-1.2.10 (also tried jk-1.2.8)
server.xml - Begin
Connector port=8009 enableLookups=false redirectPort=8443 debug=2
protocol=AJP/1.3 /
server.xml - End
httpd.conf - Begin
...
LoadModule jk_module /usr/lib/apache/1.3/mod_jk.so
...
NameVirtualHost 192.168.1.9
...
VirtualHost 192.168.1.9
ServerName www.foo.com
DocumentRoot /home/tomcat/jakarta-tomcat-5.0.28/webapps/ROOT
ServerAdmin [EMAIL PROTECTED]
# Log Set-Up
ErrorLog /var/log/apache/www.foo.com-error_log
LogFormat %h %l %u %t \%r\ %s %b common
CustomLog /var/log/apache/www.foo.com-access.log common
JkLogFile /var/log/apache/mod_jk.log
JkLogLeveltrace
JkRequestLogFormat %w %U %r
JkMount /* ajp13w
# JkWorkersFile /etc/httpd/conf/workers.properties
JkWorkerProperty worker.list=ajp13w
JkWorkerProperty worker.ajp13w.type=ajp13
JkWorkerProperty worker.ajp13w.host=192.168.1.9
JkWorkerProperty worker.ajp13w.port=8009
Location /WEB-INF
Options None
AllowOverride None
order deny,allow
deny from all
/Location
Directory /home/tomcat/jakarta-tomcat-5.0.28/webapps/ROOT
Options None
AllowOverride None
order deny,allow
allow from all
/Directory
/VirtualHost
VirtualHost 192.168.1.9
ServerAdmin [EMAIL PROTECTED]
DocumentRoot /var/www/
ErrorLog /var/log/apache/default-error.log
CustomLog /var/log/apache/default-access.log common
/VirtualHost
httpd.conf - End
jk2.properties - Start
## THIS FILE MAY BE OVERRIDEN AT RUNTIME. MAKE SURE TOMCAT IS STOPED
## WHEN YOU EDIT THE FILE.
## COMMENTS WILL BE _LOST_
## DOCUMENTATION OF THE FORMAT IN JkMain javadoc.
# Set the desired handler list
# handler.list=apr,request,channelJni
#
# Override the default port for the socketChannel
# channelSocket.port=8019
# Default:
# channelUnix.file=${jkHome}/work/jk2.socket
# Just to check if the the config is working
# shm.file=${jkHome}/work/jk2.shm
# In order to enable jni use any channelJni directive
# channelJni.disabled = 0
# And one of the following directives:
# apr.jniModeSo=/opt/apache2/modules/mod_jk2.so
# If set to inprocess the mod_jk2 will Register natives itself
# This will enable the starting of the Tomcat from mod_jk2
# apr.jniModeSo=inprocess
jk2.properties - End
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UTF-8 Charset from mod_jk and Apache http server
Hi, I am using apche http server 1.3.27, tomcat 4.1.29 and mod_jk/1.2.4 to connect it up. I have set tomcat to serve all pages using the utf-8 charset in the http header. This works fine. However, when I serve the same page through the web server, the charset is set to be iso-8859-1. I assume this is because the web server has been set to serve pages in this charset. How do I get it to serve pages using the UTF-8 charset. I have tried adding AddDefaultCharset utf-8 to the httpd.conf but this does not seem to work. Thanks Spencer Bruce
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RE: JSP on IIS 5.0
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RE: TOMCAT does not set the CLASSPATH for my WebAPP
Hi Again, Tomcat, in it's batch file, has it's own CLASSPATH. It creates a ClassLoader for each webapp. It used all jars in lib directory and the classes directory. The problem you are seeing is that the ClassLoaders are in a tree structure. TOMCAT_CLASSLOADER WEBAPP_X_CLASSLOADER WEBAPP_Y_CLASSLOADER Take a look at the documentation for java.lang.ClassLoader for info on this. If a class A is loaded in WEBAPP_X_CLASSLOADER and it tries to load another class B (or resource) it first looks in WEBAPP_X_CLASSLOADERs classpath and then goes to the parent TOMCAT_CLASSLOADER. If B is not found in WEBAPP_X_CLASSLOADER, but is found in TOMCAT_CLASSLOADER and it then in turn tries to load another class or resource C it can only see TOMCAT_CLASSLOADER, so it does not have access to the WEBAPP_X_CLASSLOADER classpath. I think in your case: Servelt loaded in WEBAPP_X_CLASSLOADER XML file loaded in WEBAPP_X_CLASSLOADER XML parser loaded in TOMCAT_CLASSLOADER DTD searched for in TOMCAT_CLASSLOADER and not found. It probably makes sense to put the log4J.jar in the TOMCAT_CLASSLOADER's classpath... Is this clearer? Alan. -Original Message- From: Roland Berger [mailto:[EMAIL PROTECTED]] Sent: 20 November 2001 09:46 To: Tomcat Mailinglist Subject: TOMCAT does not set the CLASSPATH for my WebAPP Hi all As I understand from the Servlet specs. a Servlet Container like Tomcat should set the CLASSPATH for each webapp which is placed in %TOMCAT_HOME%/webapps. e.g. if I have placed a .jar file in %TOMCAT_HOME%/webapps/mywebapp/WEB-INF/lib/myjar.jar it should add to the CLASSPATH the path %TOMCAT_HOME%/webapps/mywebapp/WEB-INF/lib/myjar.jar . But Tomcat doesn't do that with me. I have checked the tomcat.bat startup script. Dynamic Classpath generation is only done for .jar's in %TOMCAT_HOME%/lib but not for each webapp. So, how, where and at what time in startup procedure does tomcat generate the CLASSPATH for each webapp?? Thank's a lot for any help Roland -- To unsubscribe: mailto:[EMAIL PROTECTED] For additional commands: mailto:[EMAIL PROTECTED] Troubles with the list: mailto:[EMAIL PROTECTED] -- To unsubscribe: mailto:[EMAIL PROTECTED] For additional commands: mailto:[EMAIL PROTECTED] Troubles with the list: mailto:[EMAIL PROTECTED]
clientAuth problems
I'm having difficulty with client authorisation. Actually I suppose thse are two separate problems. Problem 1 = With tomcat 3.x (various versions) I can enable SSL without clientAuth and everything works fine. However when I enable clientAuth the web browser (Netscape Navigator 4.07) says I have no client certificate. which not true - see problem 2) Problem 2 = In one of many attempts to find a solution to problem 1, I installed Tomcat 4. I was pleasantly surprised when I simply edited the server.xml file, started it, and it worked with clientAuth immediately. I checked I can run the examples and create a simple servlets myself and all is fine so far. The problem is that I need to create a servlet as a subclass of a framework class which is in turn a a subclass of HttpServlet. When I try this, I get the exception shown below. I've tried just about everthing I can think of but I seem to have reached a dead-end. A solution or suggestion for a way forward with either of these problems would be most appeciated TIA Phil javax.servlet.ServletException: Class com.csfs.spencer.phil.GetRemoteUser is not a Servlet at org.apache.catalina.core.StandardWrapper.load(Unknown Source) at org.apache.catalina.core.StandardWrapper.allocate(Unknown Source) at org.apache.catalina.core.StandardWrapperValve.invoke(Unknown Source) at org.apache.catalina.core.StandardPipeline.invokeNext(Unknown Source) at org.apache.catalina.core.StandardPipeline.invoke(Unknown Source) at org.apache.catalina.core.ContainerBase.invoke(Unknown Source) at org.apache.catalina.core.StandardContextValve.invoke(Unknown Source) at org.apache.catalina.core.StandardPipeline.invokeNext(Unknown Source) at org.apache.catalina.valves.CertificatesValve.invoke(Unknown Source) at org.apache.catalina.core.StandardPipeline.invokeNext(Unknown Source) at org.apache.catalina.core.StandardPipeline.invoke(Unknown Source) at org.apache.catalina.core.ContainerBase.invoke(Unknown Source) at org.apache.catalina.core.StandardContext.invoke(Unknown Source) at org.apache.catalina.core.StandardHostValve.invoke(Unknown Source) at org.apache.catalina.core.StandardPipeline.invokeNext(Unknown Source) at org.apache.catalina.valves.AccessLogValve.invoke(Unknown Source) at org.apache.catalina.core.StandardPipeline.invokeNext(Unknown Source) at org.apache.catalina.core.StandardPipeline.invoke(Unknown Source) at org.apache.catalina.core.ContainerBase.invoke(Unknown Source) at org.apache.catalina.core.StandardEngineValve.invoke(Unknown Source) at org.apache.catalina.core.StandardPipeline.invokeNext(Unknown Source) at org.apache.catalina.valves.RequestDumperValve.invoke(Unknown Source) at org.apache.catalina.core.StandardPipeline.invokeNext(Unknown Source) at org.apache.catalina.core.StandardPipeline.invoke(Unknown Source) at org.apache.catalina.core.ContainerBase.invoke(Unknown Source) at org.apache.catalina.connector.http.HttpProcessor.process(Unknown Source) at org.apache.catalina.connector.http.HttpProcessor.run(Unknown Source) at java.lang.Thread.run(Thread.java:484) - Root Cause - java.lang.ClassCastException: com.csfs.spencer.phil.GetRemoteUser at org.apache.catalina.core.StandardWrapper.load(Unknown Source) at org.apache.catalina.core.StandardWrapper.allocate(Unknown Source) at org.apache.catalina.core.StandardWrapperValve.invoke(Unknown Source) at org.apache.catalina.core.StandardPipeline.invokeNext(Unknown Source) at org.apache.catalina.core.StandardPipeline.invoke(Unknown Source) at org.apache.catalina.core.ContainerBase.invoke(Unknown Source) at org.apache.catalina.core.StandardContextValve.invoke(Unknown Source) at org.apache.catalina.core.StandardPipeline.invokeNext(Unknown Source) at org.apache.catalina.valves.CertificatesValve.invoke(Unknown Source) at org.apache.catalina.core.StandardPipeline.invokeNext(Unknown Source) at org.apache.catalina.core.StandardPipeline.invoke(Unknown Source) at org.apache.catalina.core.ContainerBase.invoke(Unknown Source) at org.apache.catalina.core.StandardContext.invoke(Unknown Source) at org.apache.catalina.core.StandardHostValve.invoke(Unknown Source) at org.apache.catalina.core.StandardPipeline.invokeNext(Unknown Source) at org.apache.catalina.valves.AccessLogValve.invoke(Unknown Source) at org.apache.catalina.core.StandardPipeline.invokeNext(Unknown Source) at org.apache.catalina.core.StandardPipeline.invoke(Unknown Source) at org.apache.catalina.core.ContainerBase.invoke(Unknown Source) at org.apache.catalina.core.StandardEngineValve.invoke(Unknown Source) at org.apache.catalina.core.StandardPipeline.invokeNext(Unknown
RE: Problem accessing servlets on Netscape
I had this problem once. In my case it turned out to be slightly incorrect syntax for a stylesheet. IE thought it was OK, Netscape belched. Try writing the offending page content to a file and opening it locally. A binary chop on the content of the file should isolate the problem quickly Phil -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] Sent: Thursday, October 04, 2001 6:26 PM To: [EMAIL PROTECTED] Subject: Problem accessing servlets on Netscape Hi I'm pretty new to Tomcat and so would really appreciate some help. I have an application consisting of java servlets running on Apache/tomcat. It works fine on IE but when i try accessing the servlets from Netscape it brings up the contents of the original file! Can anyone please help me with this... Thanks in advance Kiran __ Do You Yahoo!? NEW from Yahoo! GeoCities - quick and easy web site hosting, just $8.95/month. http://geocities.yahoo.com/ps/info1
Re: [TC3.3b1] use of taglib causes org.apache.crimson.jaxp.DocumentBuilderFactoryImpl not found error
I have made the changes suggested. I still get the same errors.
The jsp file will work when referenced directly,
http://localhost/jetspeed/hello.jsp, but fails when it is executed by
Jetspeed.
This problem is does not occur in Tomcat 3.3-m4 or Tomcat 4.0-b7. I
suspect something that was changed between 3.3-m4 and 3.3-b1 is causing
the problem, but I do not know what it is :-(. I do not believe the
problem is with Jetspeed because I used the same WAR file when testing
all 3 versions of Tomcat.
The error message may not be related to the actual error. The empty
.java file in the work directory may be the closer to the problem.
Maybe somewhere in the process of converting from .jsp to .java when a
taglib is defined.
I enabled debug logging.
No entries on the servlet logfile
The jasper log contained:
2001-09-01 17:29:25 - Package name is:
WEB_0002dINF.templates.jsp.portlets.html
2001-09-01 17:29:25 - Class file name is:
E:\apache\jakarta-tomcat-3.3-b1\work\DEFAULT\jetspeed\WEB_0002dINF\templates\jsp\portlets\html\Example_1.class
2001-09-01 17:29:25 - Java file name is:
E:\apache\jakarta-tomcat-3.3-b1\work\DEFAULT\jetspeed\WEB_0002dINF\templates\jsp\portlets\html\Example_1.java
2001-09-01 17:29:25 - Class name is: Example_1
2001-09-01 17:29:25 -
Handling Directive: taglib {uri=/WEB-INF/templates/jsp/tld/template.tld,
prefix=jetspeed}
Ideas?
Paul Spencer
Will Stranathan wrote:
Take the XML related jars in TOMCAT_HOME/lib and rename them to
x[whatever].jar (for example, xjaxp.jar). Then put Velocity's XML
parsers in TOMCAT_HOME/lib.
I know it's a kludge, but AFAICT, these sorts of classloader issues have
been corrected in 4.0. (Which is all the Struts people can't understand
why their stuff suddenly DOESN'T work - all the Struts WAR's come
without any parser libraries.)
w
Paul Spencer wrote:
I am getting the following error while using Jetspeed with Tomcat
3.3-b1. This error does NOT occur in Tomcat 3.3-m4!
[Fri Aug 31 22:19:33 EDT 2001] -- ERROR -- Error rendering Velocity
template: /controllers/html/multicolumn.vm: Invocation of method
'getContent' in class
org.apache.jetspeed.portal.controls.VelocityPortletControl threw
exception class javax.xml.parsers.FactoryConfigurationError :
Provider org.apache.crimson.jaxp.DocumentBuilderFactoryImpl not found
In addition the .java file created in the work directory is has a size
of 0 bytes.
I copied crimson.jar and jaxp.jar to the lib/apps directory, as
suggested in
http://www.mail-archive.com/tomcat-dev@jakarta.apache.org/msg13224.html
,
but that did not work.
My jsp file is below (Note this file work in Tomcat v3.3-m3 and -m4):
%@ taglib uri='/WEB-INF/templates/jsp/tld/template.tld'
prefix='jetspeed' %
p
bJSP/b Hello World!
bServer date:/b jetspeed:info requestedInfo=ServerDate /
/p
Ideas?
Thank you
Paul Spencer
[TC3.3b1] use of taglib causes org.apache.crimson.jaxp.DocumentBuilderFactoryImpl not found error
I am getting the following error while using Jetspeed with Tomcat 3.3-b1. This error does NOT occur in Tomcat 3.3-m4! [Fri Aug 31 22:19:33 EDT 2001] -- ERROR -- Error rendering Velocity template: /controllers/html/multicolumn.vm: Invocation of method 'getContent' in class org.apache.jetspeed.portal.controls.VelocityPortletControl threw exception class javax.xml.parsers.FactoryConfigurationError : Provider org.apache.crimson.jaxp.DocumentBuilderFactoryImpl not found In addition the .java file created in the work directory is has a size of 0 bytes. I copied crimson.jar and jaxp.jar to the lib/apps directory, as suggested in http://www.mail-archive.com/tomcat-dev@jakarta.apache.org/msg13224.html , but that did not work. My jsp file is below (Note this file work in Tomcat v3.3-m3 and -m4): %@ taglib uri='/WEB-INF/templates/jsp/tld/template.tld' prefix='jetspeed' % p bJSP/b Hello World! bServer date:/b jetspeed:info requestedInfo=ServerDate / /p Ideas? Thank you Paul Spencer
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What does the turbine framework at jakarta.apache.org have in it? Is it stable and / or ready for prime time? Thanks Curtis
Xerces or Crimson
Can anyone tell me the difference between these XML parsers and which one is the best? Thanks, Curtis
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Does this have connection pooling built in? What is faster to use a DataSource model or to hard code the JDBC using a connection pool hand coded? Thanks, Curtis
Tomcat vs. Other App Servers
Hi, I have been working with Tomcat for a few months now with little problems. I am wondering if this app server is ready for prime time when it comes to business end of the things. What do the other servers that cost upwards of $1 offer that Tomcat doesn't? Also, I have been hearing a lot about Caucho's Resin Servlet engine as another open source alternative? Anyone have any takes on the app server market? Thanks Curtis
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How do you pre compile the jsp pages so that Tomcat will not need to compile them the first time someone tries to retrieve it in their browser? Thanks, Curtis
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Hi, I'm running Tomcat 3.2.1 on Windows NT. In my server.xml I have defined a Context for my web app and the path is set to /. In my web.xml my servlet maps to /*. In my servlet I make calls to getContextPath(), getServletPath(), and getPathInfo(). When I access http://localhost:8080/Login.htm, here are the values that are returned by the calls: getContextPath(): empty string getServletPath(): empty string getPathInfo(): /Login.htm But when I run my web app under BEA Weblogic Server, I get the following values: getContextPath(): empty string getServletPath(): /Login.htm getPathInfo(): null I'm just wondering why Tomcat and Weblogic return different values, and which one is correct. Thanks, Spencer
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Hi, I just downloaded the trial version for Forte for Java 2.0 Internet Edition and it seems like a good servlet development kit because of the integrated tomcat server. I was wondering if anyone was using other IDE's for servlet development and if they had any thoughts about what was the best IDE and why? Thanks Curtis
Running Tomcat as a service in Win2k
How do I do this? Thanks Curtis
Starting Tomcat with user nobody
Does anyone have a good startup script that will start tomcat with the user nobody rather than root. I don't know if this is a security risk or not but I feel alittle uncomfortable starting with root. Do I have to change file permissions to ensure that 'nobody' can access certain files. Thx, Curtis
Startup Script
I am a newbie to Tomcat and I was wondering what the best way to get it to start up when Linux 7.0 is starting up. I created a symbolic link in the rc3.d folder. Is this the best way? Also what should be in the server script Thanks, Curtis
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Hi, I've noticed that a servlet class invoked by Tomcat must reside in a subdirectory of docBase/WEB-INF/classes. Ideally I would like to be able to place my servlet class in a directory that is not under WEB-INF/classes. Is there any way to do this without changing the Tomcat source and recompiling it? If not, does anyone know why the developers coded Tomcat this way, instead of just loading the servlet from a directory in the classpath? Just curious. Thanks. Spencer
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RE: A couple of questions
OK, I have just read the Servlet Specification 2.2, and it does not answer my first question, which was: When I go to the Servlet Examples page (http://localhost:8080/examples/servlets/index.html), there is a link that executes the Hello World servlet. This link is http://localhost:8080/examples/servlet/HelloWorldExample. How does Tomcat know that when it sees "/examples/servlet/" in the URL, it is supposed to look in the examples/WEB-INF/classes directory for the HelloWorldExample.class file? I haven't been able to find anything in the server.xml or web.xml files that shows how this is configured. I see no servlet mappings in any of the configuration files that maps a servlet to "/examples/servlet/HelloWorldExample". Please tell me how this is set up. Thanks, Spencer -Original Message- From: Filip Hanik [mailto:[EMAIL PROTECTED]] Sent: Wednesday, April 11, 2001 7:37 PM To: [EMAIL PROTECTED] Subject: RE: A couple of questions first things first, you will have 90% of your questions answered by reading the servlet specification from Sun. this answers question 1 for you 2) Would it be possible for me to place my application in a completely separate directory tree and not in a war file? Or does it have to be in a war file in the webapps directory? yes, you will just have to setup classpaths etc properly for servlets and other classes. The server.xml file allows you to configure other contexts outside of the webapps directory. Filip ~ Namaste - I bow to the divine in you ~ Filip Hanik Software Architect [EMAIL PROTECTED] www.filip.net -Original Message- From: Lu, Spencer [mailto:[EMAIL PROTECTED]] Sent: Wednesday, April 11, 2001 4:29 PM To: '[EMAIL PROTECTED]' Subject: A couple of questions Hi, I've recently installed Tomcat 3.2.1 (win32) on my computer. I'm trying to understand how certain things are configured, and I have a couple of questions: 1) When I go to the Servlet Examples page (http://localhost:8080/examples/servlets/index.html), there is a link that executes the Hello World servlet. This link is http://localhost:8080/examples/servlet/HelloWorldExample. How does Tomcat know that when it sees "/examples/servlet/" in the URL, it is supposed to look in the examples/WEB-INF/classes directory for the HelloWorldExample.class file? I haven't been able to find anything in the server.xml or web.xml files that shows how this is configured. 2) Would it be possible for me to place my application in a completely separate directory tree and not in a war file? Or does it have to be in a war file in the webapps directory? Thanks for your help, Spencer
A couple of questions
Hi, I've recently installed Tomcat 3.2.1 (win32) on my computer. I'm trying to understand how certain things are configured, and I have a couple of questions: 1) When I go to the Servlet Examples page (http://localhost:8080/examples/servlets/index.html), there is a link that executes the Hello World servlet. This link is http://localhost:8080/examples/servlet/HelloWorldExample. How does Tomcat know that when it sees "/examples/servlet/" in the URL, it is supposed to look in the examples/WEB-INF/classes directory for the HelloWorldExample.class file? I haven't been able to find anything in the server.xml or web.xml files that shows how this is configured. 2) Would it be possible for me to place my application in a completely separate directory tree and not in a war file? Or does it have to be in a war file in the webapps directory? Thanks for your help, Spencer
