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From Mark Struberg <strub...@yahoo.de>
Subject Re: MyFaces - Thread issues under High load
Date Tue, 05 Jul 2011 06:45:34 GMT
Most importantly: which JDK/JRE are you running WebLogic under? And which weblogic version
do you use?

You have definitely checked diskfree? (df -h) and mem is also no concern?
Are you running a 32 or 64 bit JVM?
Under 32 bit JVMs you could easily run out of available threads (the higher you tune your
-Xmx, the LOWER the amount of available threads get!) 


Just a few random ideas...

LieGrue,
strub

--- On Mon, 7/4/11, Martin Koci <martin.kocicak.koci@gmail.com> wrote:

> From: Martin Koci <martin.kocicak.koci@gmail.com>
> Subject: Re: MyFaces - Thread issues under High load
> To: "MyFaces Discussion" <users@myfaces.apache.org>
> Date: Monday, July 4, 2011, 7:29 PM
> Hi,
> 
> what is [STUCK] thread? Is that something special from
> WebLogic thread
> pooler? 
> All threads are accessing same
> java.beans.PropertyDescriptor.getReadMethod but this method
> is
> synchronized. So one on them is holding
> java.beans.PropertyDescriptor
> instance as monitor and the others are trying access same
> critical area.
> One of the STUCKs is suspicious: it probably entered
> critical area on
> PropertyDescriptor forever. But it should not happen: this
> is API from
> JRE and myfaces use it only - this looks very  odd. 
> 
> Suggestions:
> 
> 1) set thread timeout if possible. I don't know weblogic
> but thread
> executors can kill thread it it does not end in reasonable
> time.
> 
> 2) Is JVM eating 100% of CPU? If so then hotspot can cause
> this type of
> problem - I remement similar problem few year ago - update
> to newer
> version of JVM solved it. What JVM/version do you use?
> 
> 3) Is problem repeatable? Do you perform stress test or is
> this problem
> from production deployment?
> 
> 
> Regards,
> 
> Kočičák
> 
> Rajadurai_p píše v Po 04. 07. 2011 v 11:17 -0700:
> > Hi,
> > I have attached a weblogic server thread dump file
> collected under high load
> > and when the server was irresponsive. You will find
> almost all the threads
> > (active & stuck) pointing to the same stack trace
> which is My faces/
> > Tomahawk related. Kindly let me know your views.
> > 
> > Thanks
> > 
> > 
> > Matt Benson-2 wrote:
> > > 
> > > It looks to me as though you are using the JSF
> reference
> > > implementation.  The only code I see from
> myfaces in your stack trace
> > > is Tomahawk.
> > > 
> > > Matt
> > > 
> > > On Wed, Jun 29, 2011 at 4:39 AM,
> Rajadurai_p  wrote:
> > >>
> > >> Hi,
> > >> we are facing problems in MyFaces framework
> under high load. Bulk of the
> > >> application container threads (weblogic) are
> stuck upon a same stack
> > >> trace.
> > >> I have pasted a sample stack trace below.
> Kindly help.
> > >>
> > >> We use JSF 1.2, MyFaces 1.2.9, Tomahawk 1.1.9
> & RichFaces 3.3.3.
> > >>
> > >>
> > >>
> > >>
> > >>
> java.beans.PropertyDescriptor.getReadMethod(PropertyDescriptor.java:158)
> > >>
> > >>
> javax.faces.component._ComponentAttributesMap.getComponentProperty(_ComponentAttributesMap.java:382)
> > >>
> > >>
> javax.faces.component._ComponentAttributesMap.get(_ComponentAttributesMap.java:227)
> > >>
> > >>
> org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlRendererUtils.renderHTMLAttribute(HtmlRendererUtils.java:584)
> > >>
> > >>
> org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlRendererUtils.renderHTMLAttributes(HtmlRendererUtils.java:598)
> > >>
> > >>
> org.apache.myfaces.custom.htmlTag.HtmlTagRenderer.encodeBegin(HtmlTagRenderer.java:73)
> > >>      
> > >> 
> javax.faces.component.UIComponentBase.encodeBegin(UIComponentBase.java:600)
> > >>
> > >>
> org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChild(RendererUtils.java:525)
> > >>
> > >>
> org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChildren(RendererUtils.java:511)
> > >>
> > >>
> org.apache.myfaces.custom.htmlTag.HtmlTagRenderer.encodeChildren(HtmlTagRenderer.java:111)
> > >>
> > >>
> javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:627)
> > >>
> > >>
> org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChild(RendererUtils.java:528)
> > >>
> > >>
> org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChildren(RendererUtils.java:511)
> > >>
> > >>
> org.apache.myfaces.custom.htmlTag.HtmlTagRenderer.encodeChildren(HtmlTagRenderer.java:111)
> > >>
> > >>
> javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:627)
> > >>      
> > >> 
> org.ajax4jsf.renderkit.RendererBase.renderChild(RendererBase.java:277)
> > >>      
> > >> 
> org.ajax4jsf.renderkit.RendererBase.renderChildren(RendererBase.java:258)
> > >>
> > >>
> org.richfaces.renderkit.AbstractGridRenderer.encodeOneRow(AbstractGridRenderer.java:96)
> > >>
> > >>
> org.richfaces.renderkit.AbstractRowsRenderer.process(AbstractRowsRenderer.java:83)
> > >>      
> > >> 
> org.ajax4jsf.model.SequenceDataModel.walk(SequenceDataModel.java:101)
> > >>      
> > >> 
> org.ajax4jsf.component.UIDataAdaptorBase.walk(UIDataAdaptorBase.java:1156)
> > >>
> > >>
> org.richfaces.renderkit.AbstractRowsRenderer.encodeRows(AbstractRowsRenderer.java:104)
> > >>
> > >>
> org.richfaces.renderkit.AbstractRowsRenderer.encodeRows(AbstractRowsRenderer.java:88)
> > >>
> > >>
> org.richfaces.renderkit.AbstractRowsRenderer.encodeChildren(AbstractRowsRenderer.java:137)
> > >>
> > >>
> javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:627)
> > >>      
> > >> 
> org.ajax4jsf.renderkit.RendererBase.renderChild(RendererBase.java:277)
> > >>      
> > >> 
> org.ajax4jsf.renderkit.RendererBase.renderChildren(RendererBase.java:258)
> > >>
> > >>
> org.ajax4jsf.renderkit.html.AjaxOutputPanelRenderer.encodeChildren(AjaxOutputPanelRenderer.java:78)
> > >>
> > >>
> javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:627)
> > >>
> > >>
> org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChild(RendererUtils.java:528)
> > >>
> > >>
> org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChildren(RendererUtils.java:511)
> > >>
> > >>
> org.apache.myfaces.custom.htmlTag.HtmlTagRenderer.encodeChildren(HtmlTagRenderer.java:111)
> > >>
> > >>
> javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:627)
> > >>       
> javax.faces.component.UIComponent.encodeAll(UIComponent.java:250)
> > >>
> > >>
> com.sun.facelets.component.RepeatRenderer.encodeChildren(RepeatRenderer.java:64)
> > >>       
> com.sun.facelets.component.UIRepeat.process(UIRepeat.java:423)
> > >>      
> > >> 
> com.sun.facelets.component.UIRepeat.encodeChildren(UIRepeat.java:684)
> > >>      
> > >> 
> org.ajax4jsf.renderkit.RendererBase.renderChild(RendererBase.java:277)
> > >>      
> > >> 
> org.ajax4jsf.renderkit.RendererBase.renderChildren(RendererBase.java:258)
> > >>
> > >>
> org.richfaces.renderkit.html.PanelRenderer.doEncodeChildren(PanelRenderer.java:200)
> > >>
> > >>
> org.richfaces.renderkit.html.PanelRenderer.doEncodeChildren(PanelRenderer.java:195)
> > >>      
> > >> 
> org.ajax4jsf.renderkit.RendererBase.encodeChildren(RendererBase.java:120)
> > >>
> > >>
> javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:627)
> > >>      
> > >> 
> org.ajax4jsf.renderkit.RendererBase.renderChild(RendererBase.java:277)
> > >>      
> > >> 
> org.ajax4jsf.renderkit.RendererBase.renderChildren(RendererBase.java:258)
> > >>      
> > >> 
> org.ajax4jsf.renderkit.RendererBase.renderChild(RendererBase.java:279)
> > >>      
> > >> 
> org.ajax4jsf.renderkit.RendererBase.renderChildren(RendererBase.java:258)
> > >>
> > >>
> org.ajax4jsf.renderkit.html.AjaxOutputPanelRenderer.encodeChildren(AjaxOutputPanelRenderer.java:78)
> > >>
> > >>
> javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:627)
> > >>
> > >>
> org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChild(RendererUtils.java:528)
> > >>
> > >>
> org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChildren(RendererUtils.java:511)
> > >>
> > >>
> org.apache.myfaces.custom.htmlTag.HtmlTagRenderer.encodeChildren(HtmlTagRenderer.java:111)
> > >>
> > >>
> javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:627)
> > >>
> > >>
> org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChild(RendererUtils.java:528)
> > >>
> > >>
> org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChildren(RendererUtils.java:511)
> > >>
> > >>
> org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChild(RendererUtils.java:532)
> > >>
> > >>
> org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChildren(RendererUtils.java:511)
> > >>
> > >>
> org.apache.myfaces.custom.htmlTag.HtmlTagRenderer.encodeChildren(HtmlTagRenderer.java:111)
> > >>
> > >>
> javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:627)
> > >>
> > >>
> org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChild(RendererUtils.java:528)
> > >>
> > >>
> org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChildren(RendererUtils.java:511)
> > >>
> > >>
> org.apache.myfaces.custom.htmlTag.HtmlTagRenderer.encodeChildren(HtmlTagRenderer.java:111)
> > >>
> > >>
> javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:627)
> > >>
> > >>
> org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChild(RendererUtils.java:528)
> > >>
> > >>
> org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChildren(RendererUtils.java:511)
> > >>
> > >>
> org.apache.myfaces.custom.htmlTag.HtmlTagRenderer.encodeChildren(HtmlTagRenderer.java:111)
> > >>
> > >>
> javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:627)
> > >>
> > >>
> org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChild(RendererUtils.java:528)
> > >>
> > >>
> org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChildren(RendererUtils.java:511)
> > >>
> > >>
> org.apache.myfaces.custom.htmlTag.HtmlTagRenderer.encodeChildren(HtmlTagRenderer.java:111)
> > >>
> > >>
> javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:627)
> > >>       
> javax.faces.component.UIComponent.encodeAll(UIComponent.java:250)
> > >>       
> javax.faces.component.UIComponent.encodeAll(UIComponent.java:257)
> > >>      
> > >> 
> com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:594)
> > >>
> > >>
> org.ajax4jsf.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:100)
> > >>
> > >>
> org.ajax4jsf.application.AjaxViewHandler.renderView(AjaxViewHandler.java:176)
> > >>
> > >>
> org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:41)
> > >>      
> > >> 
> org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:140)
> > >>       
> javax.faces.webapp.FacesServlet.service(FacesServlet.java:187)
> > >>
> > >>
> weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
> > >>
> > >>
> weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
> > >>      
> > >> 
> weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:283)
> > >>       
> weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
> > >>      
> > >> 
> weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
> > >>      
> > >> 
> org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:206)
> > >>       
> org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290)
> > >>
> > >>
> org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:388)
> > >>       
> org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:515)
> > >>      
> > >> 
> weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
> > >>
> > >>
> org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:164)
> > >>      
> > >> 
> org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:141)
> > >>
> > >>
> org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:90)
> > >>
> > >>
> org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:407)
> > >>      
> > >> 
> weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
> > >>
> > >>
> org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:384)
> > >>      
> > >> 
> weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
> > >>
> > >>
> com.xxx.yyy.zzz.CookieCartCountFilter.doFilter(CookieCartCountFilter.java:69)
> > >>      
> > >> 
> weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
> > >>
> > >>
> com.xxx.yyy.zzz.webservice.onesite.OneSiteCacheFilter.doFilter(OneSiteCacheFilter.java:388)
> > >>      
> > >> 
> weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
> > >>      
> > >> 
> com.xxx.yyy.zzz.util.CachingFilter.doFilter(CachingFilter.java:143)
> > >>      
> > >> 
> weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
> > >>      
> > >> 
> com.xxx.yyy.zzz.util.JsessionidFilter.doFilter(JsessionidFilter.java:43)
> > >>      
> > >> 
> weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
> > >>
> > >>
> com.xxx.yyy.zzz.util.SessionCookieSupportFilter.doFilter(SessionCookieSupportFilter.java:180)
> > >>      
> > >> 
> weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
> > >>
> > >>
> de.hybris.platform.util.RootRequestFilter.doFilter(RootRequestFilter.java:741)
> > >>      
> > >> 
> weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
> > >>
> > >>
> weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:26)
> > >>      
> > >> 
> weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
> > >>
> > >>
> weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3229)
> > >>
> > >>
> weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
> > >>      
> > >> 
> weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)
> > >>
> > >>
> weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2002)
> > >>
> > >>
> weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:1908)
> > >>
> > >>
> weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1362)
> > >>       
> weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)
> > >>       
> weblogic.work.ExecuteThread.run(ExecuteThread.java:181)
> > >>
> > >> Thanks, rajadurai
> > >> --
> > >> View this message in context:
> > >> http://old.nabble.com/MyFaces---Thread-issues-under-High-load-tp31953250p31953250.html
> > >> Sent from the MyFaces - Users mailing list
> archive at Nabble.com.
> > >>
> > >>
> > > 
> > > 
> > http://old.nabble.com/file/p31991479/Weblogic%2BThread%2BDump.zip
> > Weblogic+Thread+Dump.zip 
> > http://old.nabble.com/file/p31991479/Weblogic%2BThread%2BDump.zip
> > Weblogic+Thread+Dump.zip 
> > -- 
> > View this message in context: http://old.nabble.com/MyFaces---Thread-issues-under-High-load-tp31953250p31991479.html
> > Sent from the MyFaces - Users mailing list archive at
> Nabble.com.
> 
> 
> 

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