Re: [Wrapper-user] JVM Exit Unexpectedly During Thread Dump

[Leif M. <le...@ta...>]

Mahamad,
Hmm, that should be working but I don't use Solaris as much as Linux. 
I'll try it out
on a test server. I won't have access for a few days however.

Do you get any more information if you set wrapper.debug=true? That may 
or may
not give any more information.

Cheers,
Leif

Mohamad Fazli wrote:

> Hi,
>
> Whenever I do a thread dump “tomcat dump” or “kill -3 <process id>”, 
> the JVM exit unexpectedly.
>
> I realized that when I remove the “java.awt.headless=true” the JVM 
> doesn’t exit. On top of that, if run tomcat from Catalina.sh, with the 
> headless, I can still do thread dumps..
>
> Anyway, following are the system specs..
>
> Solaris
>
> Tomcat 5 (being wrapped)
>
> Wrapper 3.1.2
>
> JDK 1.4.2
>
> Following is the wrapper.conf
>
> #********************************************************************
>
> # Wrapper Properties
>
> #********************************************************************
>
> # Java Application
>
> wrapper.java.command=/usr/j2sdk1.4.2_06/bin/java
>
> wrapper.request_thread_dump_on_failed_jvm_exit=true
>
> # Java Main class. This class must implement the WrapperListener interface
>
> # or guarantee that the WrapperManager class is initialized. Helper
>
> # classes are provided to do this for you. See the Integration section
>
> # of the documentation for details.
>
> wrapper.java.mainclass=org.tanukisoftware.wrapper.WrapperStartStopApp
>
> # Java Classpath (include wrapper.jar) Add class path elements as
>
> # needed starting from 1
>
> wrapper.java.classpath.1=/export/home/pin2/fuzztest/jakarta-tomcat-5.0.28/common
>
> /lib/wrapper.jar
>
> wrapper.java.classpath.2=/usr/j2sdk1.4.2_06/lib/tools.jar
>
> wrapper.java.classpath.3=/export/home/pin2/fuzztest/jakarta-tomcat-5.0.28/bin/bo
>
> otstrap.jar
>
> # Java Library Path (location of Wrapper.DLL or libwrapper.so)
>
> wrapper.java.library.path.1=/export/home/pin2/fuzztest/jakarta-tomcat-5.0.28/com
>
> mon/lib
>
> # Java Additional Parameters
>
> #wrapper.java.additional.1=/export/home/pin2/fuzztest/jakarta-tomcat-5.0.28/bin:
>
> /export/home/pin2/fuzztest/jakarta-tomcat-5.0.28/common/endorsed
>
> #wrapper.java.additional.1=/export/home/pin2/fuzztest/jakarta-tomcat-5.0.28/bin:
>
> /export/home/pin2/fuzztest/jakarta-tomcat-5.0.28/common/endorsed
>
> wrapper.java.additional.1=-Djava.endorsed.dirs=/export/home/pin2/fuzztest/jakart
>
> a-tomcat-5.0.28/common/endorsed
>
> wrapper.java.additional.2=-Dcatalina.base=/export/home/pin2/fuzztest/jakarta-tom
>
> cat-5.0.28
>
> wrapper.java.additional.3=-Dcatalina.home=/export/home/pin2/fuzztest/jakarta-tom
>
> cat-5.0.28
>
> wrapper.java.additional.4=-Djava.io.tmpdir=/export/home/pin2/fuzztest/jakarta-to
>
> mcat-5.0.28/temp
>
> #wrapper.java.additional.5=-server
>
> wrapper.java.additional.5=-Dbuild.compiler.emacs=true
>
> wrapper.java.additional.6=-Djava.awt.headless=true
>
> #wrapper.java.additional.7=-server
>
> #wrapper.java.additional.6=-XX:MaxPermSize=160M
>
> #wrapper.java.additional.7=-Xrs
>
> #wrapper.java.additional.10=-XX:+UseConcMarkSweepGC
>
> #wrapper.java.additional.11=-Xloggc:/tmp/gc.log
>
> #wrapper.java.additional.12=-XX:+UseParNewGC
>
> # Initial Java Heap Size (in MB)
>
> #wrapper.java.initmemory=3
>
> # Maximum Java Heap Size (in MB)
>
> #wrapper.java.maxmemory=64
>
> # Application parameters. Add parameters as needed starting from 1
>
> wrapper.app.parameter.1=org.apache.catalina.startup.Bootstrap
>
> wrapper.app.parameter.2=1
>
> wrapper.app.parameter.3=start
>
> wrapper.app.parameter.4=org.apache.catalina.startup.Bootstrap
>
> wrapper.app.parameter.5=true
>
> wrapper.app.parameter.6=1
>
> wrapper.app.parameter.7=stop
>
> The wrapper.log is as follows:
>
> STATUS | wrapper | 2005/01/27 12:35:48 | --> Wrapper Started as Daemon
>
> STATUS | wrapper | 2005/01/27 12:35:48 | Launching a JVM...
>
> INFO | jvm 1 | 2005/01/27 12:35:50 | Wrapper (Version 3.1.2) 
> http://wrapper.tanukisoftware.org
>
> INFO | jvm 1 | 2005/01/27 12:35:50 |
>
> STATUS | wrapper | 2005/01/27 12:35:54 | Dumping JVM state.
>
> ERROR | wrapper | 2005/01/27 12:35:56 | JVM exited unexpectedly.
>
> STATUS | wrapper | 2005/01/27 12:36:00 | Launching a JVM...
>
> INFO | jvm 2 | 2005/01/27 12:36:01 | Wrapper (Version 3.1.2) 
> http://wrapper.tanukisoftware.org <http://wrapper.tanukisoftware.org/>
>
> Thank you in advanced…
>