Very relevant the issue:
http://blogs.sun.com/fkieviet/entry/classloader_leaks_the_dreaded_java



Quoting Brian Silberbauer <[EMAIL PROTECTED]>:

> 
> Wow! There's quite a lot of theories and finger pointing on this, I'd
> love to hear if you found a way around this one, Enrico.
> 
> Have you tried upgrading the VM?
> 
> You can use jconsole to monitor the VM's memory usage and watch the
> permgen space increase everytime you reload your webapp.
> 
> Brian
> 
> 
> On 1/30/07, Brian Silberbauer <[EMAIL PROTECTED]> wrote:
> > Hi Enrico
> >
> > I can confirm this too. From what I remember; classes loaded into
> > permgen space are those that the vm feels will last the life cycle of
> > your application and are never checked for garbage collection. So,
> > classes from your webapp put into perm space accumulate everytime you
> > reload your webapp :(
> >
> > I seem to remember mustang helping in this situation, but I can't confirm.
> >
> > Brian
> >
> >
> > On 1/30/07, Enrico Goosen <[EMAIL PROTECTED]> wrote:
> > >
> > >
> > >
> > >
> > > Hi All,
> > >
> > >
> > >
> > > Has anyone experienced this problem, and found a solution to it?
> > >
> > > I'm experiencing this error in Eclipse 3.2, running Tomcat 5.5.20.
> > >
> > >
> > >
> > > I've edited Eclipse.ini as follows:
> > >
> > > -vmargs
> > >
> > > -Xms512m
> > >
> > > -Xmx1024m
> > >
> > >
> > >
> > > I've also edited Tomcat's VM arguments to the same values, but having no
> > > luck.
> > >
> > >
> > >
> > > I'm not sure if this is an Eclipse problem or a Tomcat problem, but it
> > > occurs when Tomcat tries to reload a web context.
> > >
> > >
> > >
> > > Here's a stack trace:
> > >
> > >
> > >
> > > 2007/01/30 11:32:14
> > > org.apache.catalina.core.StandardContext reload
> > >
> > > INFO: Reloading this Context has started
> > >
> > > jdbc.con.close
> > >
> > > jdbc.con.close
> > >
> > > 16
> > > [ContainerBackgroundProcessor[StandardEngine[Catalina]]]
> > > ERROR
> > > org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/capri]
> > >  - Exception starting filter JDOFilter
> > >
> > > javax.jdo.JDOFatalUserException: Exception thrown by
> > > getPersistenceManagerFactory(Properties)
> > >
> > > NestedThrowables:
> > >
> > > java.lang.reflect.InvocationTargetException
> > >
> > >       at
> > > javax.jdo.JDOHelper.getPersistenceManagerFactory(Unknown
> > > Source)
> > >
> > >       at
> > > javax.jdo.JDOHelper.getPersistenceManagerFactory(Unknown
> > > Source)
> > >
> > >       at
> > > za.co.metcapri.common.util.JDOContext.initialize(JDOContext.java:88)
> > >
> > >       at
> > > za.co.metcapri.common.web.JDOFilter.init(JDOFilter.java:61)
> > >
> > >       at
> > >
>
org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:223)
> > >
> > >       at
> > >
>
org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:304)
> > >
> > >       at
> > >
>
org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:77)
> > >
> > >       at
> > >
>
org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3634)
> > >
> > >       at
> > >
> org.apache.catalina.core.StandardContext.start(StandardContext.java:4217)
> > >
> > >       at
> > >
> org.apache.catalina.core.StandardContext.reload(StandardContext.java:3024)
> > >
> > >       at
> > >
>
org.apache.catalina.loader.WebappLoader.backgroundProcess(WebappLoader.java:432)
> > >
> > >       at
> > >
>
org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1277)
> > >
> > >       at
> > >
>
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1569)
> > >
> > >       at
> > >
>
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1578)
> > >
> > >       at
> > >
>
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1578)
> > >
> > >       at
> > >
>
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1558)
> > >
> > >       at java.lang.Thread.run(Thread.java:595)
> > >
> > > Caused by: java.lang.reflect.InvocationTargetException
> > >
> > >       at
> > > sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> > >
> > >       at
> > >
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> > >
> > >       at
> > >
>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> > >
> > >       at java.lang.reflect.Method.invoke(Method.java:585)
> > >
> > >       ... 17 more
> > >
> > > Caused by: java.lang.OutOfMemoryError: PermGen space
> > >
> > > NestedThrowablesStackTrace:
> > >
> > > java.lang.reflect.InvocationTargetException
> > >
> > >       at
> > > sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> > >
> > >       at
> > >
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> > >
> > >       at
> > >
>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> > >
> > >       at java.lang.reflect.Method.invoke(Method.java:585)
> > >
> > >       at
> > > javax.jdo.JDOHelper.getPersistenceManagerFactory(Unknown
> > > Source)
> > >
> > >       at
> > > javax.jdo.JDOHelper.getPersistenceManagerFactory(Unknown
> > > Source)
> > >
> > >       at
> > > za.co.metcapri.common.util.JDOContext.initialize(JDOContext.java:88)
> > >
> > >       at
> > > za.co.metcapri.common.web.JDOFilter.init(JDOFilter.java:61)
> > >
> > >       at
> > >
>
org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:223)
> > >
> > >       at
> > >
>
org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:304)
> > >
> > >       at
> > >
>
org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:77)
> > >
> > >       at
> > >
>
org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3634)
> > >
> > >       at
> > >
> org.apache.catalina.core.StandardContext.start(StandardContext.java:4217)
> > >
> > >       at
> > >
> org.apache.catalina.core.StandardContext.reload(StandardContext.java:3024)
> > >
> > >       at
> > >
>
org.apache.catalina.loader.WebappLoader.backgroundProcess(WebappLoader.java:432)
> > >
> > >       at
> > >
>
org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1277)
> > >
> > >       at
> > >
>
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1569)
> > >
> > >       at
> > >
>
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1578)
> > >
> > >       at
> > >
>
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1578)
> > >
> > >       at
> > >
>
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1558)
> > >
> > >       at java.lang.Thread.run(Thread.java:595)
> > >
> > > Caused by: java.lang.OutOfMemoryError: PermGen space
> > >
> > > 2007/01/30 11:32:24
> > > org.apache.catalina.core.StandardContext start
> > >
> > > SEVERE: Error filterStart
> > >
> > > 2007/01/30 11:32:24
> > > org.apache.catalina.core.StandardContext start
> > >
> > > SEVERE: Context [/capri] startup failed due to previous errors
> > >
> > >
> > >
> > > Enrico Goosen
> > >
> > > Software Developer
> > >
> > > Metropolitan Employee Benefits
> > >
> > > Email: [EMAIL PROTECTED]
> > >
> > > Direct:  021 940 6231
> > >
> > > Fax:      021 917 3089
> > >
> > > Mobile:  083 305 5676
> > >
> > >
> > >
> > >  Metropolitan is an authorised Financial Services Provider.
> > >
> > >  NOTE: This e-mail (including attachments) is subject to the
> restrictions,
> > > qualifications and disclaimers (the "disclaimer") published at
> > > http://www.metropolitan.co.za Please read the disclaimer before opening
> any
> > > attachments or taking any other action in terms of this e-mail.
> > >  If you cannot access the disclaimer, kindly send an e-mail to
> > > [EMAIL PROTECTED] or contact
> > > [EMAIL PROTECTED] and a copy will be sent to you.
> > >  By reading this e-mail or opening any attachment you agree to be bound
> by
> > > the provisions of the disclaimer.
> > >
> > >  Web: http://www.metropolitan.co.za/
> > >  Disclaimer:
> > > http://www.metropolitan.co.za/email_disclaimer.html
> > >
> > >
> > >  Metropolitan Life subscribes to KPMG, a completely independent crime
> > > disclosure service - make a contribution to the establishment of a fraud
> > > free environment by reporting any suspicion to the KPMG Hotline
> > >
> > >  * RSA 0800 22 14 18
> > >  * NAMIBIA 0800 00 00 77
> > >
> > >
> > >  > >
> > >
> >
> >
> > --
> > Brian Silberbauer
> > Consultant
> >
> > +27 (0)83 566 2705
> > skype: brian.silberbauer
> >
> 
> 
> -- 
> Brian Silberbauer
> Consultant
> 
> +27 (0)83 566 2705
> skype: brian.silberbauer
> 
> > 
> 




--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google Groups 
"CTJUG Forum" group.
To post to this group, send email to [email protected]
To unsubscribe from this group, send email to [EMAIL PROTECTED]
For more options, visit this group at http://groups.google.com/group/CTJUG-Forum
For the ctjug home page see http://www.ctjug.org.za
-~----------~----~----~----~------~----~------~--~---

Reply via email to