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Matthias Weßendorf commented on TRINIDAD-1126: ---------------------------------------------- Looks like this: http://sourceforge.net/tracker/index.php?func=detail&aid=1577573&group_id=18598&atid=118598 is a similar issue > Contention at java.util.regex.Pattern.matcher. > ---------------------------------------------- > > Key: TRINIDAD-1126 > URL: https://issues.apache.org/jira/browse/TRINIDAD-1126 > Project: MyFaces Trinidad > Issue Type: Bug > Components: Components > Affects Versions: 1.2.8-core > Reporter: Yuvaraja Srinivasan > Priority: Minor > > Hi , > We have carried 100users /5task scalability run and Observed contention > issue from the > following callstack. > "HTTPThreadGroup-43" prio=10 tid=0x637a0c20 nid=0x20bf8 waiting for monitor > entry [0x6908d000..0x6908fb14] > at java.util.regex.Pattern.matcher(Pattern.java:875) > - waiting to lock <0x198b3848> (a java.util.regex.Pattern) > at > org.apache.myfaces.trinidadinternal.style.util.StyleUtils.convertToValidSelector(StyleUtils.java:50) > at > org.apache.myfaces.trinidadinternal.renderkit.core.CoreRenderingContext.getStyleClass(CoreRenderingContext.java:305) > at > org.apache.myfaces.trinidad.render.CoreRenderer.renderStyleClass(CoreRenderer.java:643) > at > oracle.adf.view.rich.render.RichRenderer.renderStyleClass(RichRenderer.java:2002) > at > oracle.adfinternal.view.faces.renderkit.rich.SimpleSelectShuttleRenderer._renderShuttleHeader(SimpleSelectShuttleRenderer.java:1104) > at > oracle.adfinternal.view.faces.renderkit.rich.SimpleSelectShuttleRenderer._encodeSelectItemsContainer(SimpleSelectShuttleRenderer.java:666) > at > oracle.adfinternal.view.faces.renderkit.rich.SimpleSelectShuttleRenderer.encodeElementContent(SimpleSelectShuttleRenderer.java:403) > at > oracle.adfinternal.view.faces.renderkit.rich.SimpleSelectBaseRenderer._renderContent(SimpleSelectBaseRenderer.java:214) > at > oracle.adfinternal.view.faces.renderkit.rich.SimpleSelectBaseRenderer.renderElementContent(SimpleSelectBaseRenderer.java:112) > at > oracle.adfinternal.view.faces.renderkit.rich.FormInputRenderer.encodeAllAsElement(FormInputRenderer.java:129) > at > oracle.adfinternal.view.faces.renderkit.rich.FormElementRenderer.encodeAll(FormElementRenderer.java:133) > at > oracle.adf.view.rich.render.RichRenderer.delegateRenderer(RichRenderer.java:1070) > at > oracle.adfinternal.view.faces.renderkit.rich.LabeledInputRenderer.renderFieldCellContents(LabeledInputRenderer.java:172) > at > oracle.adfinternal.view.faces.renderkit.rich.LabeledInputRenderer.encodeAll(LabeledInputRenderer.java:154) > at > oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1034) > at > org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:224) > at > org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:751) > at > org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:304) > at > oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer._encodeChild(PanelGroupLayoutRenderer.java:372) > at > oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer.access$300(PanelGroupLayoutRenderer.java:30) > at > oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer$EncoderCallback.processComponent(PanelGroupLayoutRenderer.java:621) > at > oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer$EncoderCallback.processComponent(PanelGroupLayoutRenderer.java:540) > at > org.apache.myfaces.trinidad.component.UIXComponent.processFlattenedChildren(UIXComponent.java:111) > at > org.apache.myfaces.trinidad.component.UIXComponent.processFlattenedChildren(UIXComponent.java:187) > at > org.apache.myfaces.trinidad.component.UIXComponent.processFlattenedChildren(UIXComponent.java:153) > at > oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer.encodeAll(PanelGroupLayoutRenderer.java:292) > at > oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1034) > at > org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:224) > at > org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:751) > at > org.apache.myfaces.trinidad.component.UIXComponentBase.__encodeRecursive(UIXComponentBase.java:1339) > at > org.apache.myfaces.trinidad.component.UIXSwitcher.encodeChildren(UIXSwitcher.java:154) > at > org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:291) > at > org.apache.myfaces.trinidadinternal.renderkit.html.RowLayoutRenderer.encodeChild(RowLayoutRenderer.java:116) > at > org.apache.myfaces.trinidad.render.CoreRenderer.encodeAllChildren(CoreRenderer.java:321) > at > org.apache.myfaces.trinidadinternal.renderkit.html.RowLayoutRenderer.encodeAll(RowLayoutRenderer.java:88) > at > org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:224) > at > org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:751) > at > org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:304) > at > org.apache.myfaces.trinidad.render.CoreRenderer.encodeAllChildren(CoreRenderer.java:321) > at > org.apache.myfaces.trinidadinternal.renderkit.html.TableLayoutRenderer.encodeAll(TableLayoutRenderer.java:87) > at > org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:224) > at > org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:751) > at > org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:304) > at > org.apache.myfaces.trinidad.render.CoreRenderer.encodeAllChildren(CoreRenderer.java:321) > at > oracle.adfinternal.view.faces.renderkit.rich.PanelWindowRenderer.encodeContent(PanelWindowRenderer.java:288) > at > oracle.adfinternal.view.faces.renderkit.rich.PanelWindowRenderer.encodeAll(PanelWindowRenderer.java:211) > at > oracle.adfinternal.view.faces.renderkit.rich.DialogRenderer.encodeAll(DialogRenderer.java:136) > at > oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1034) > at > org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:224) > at > org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:751) > at > org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:304) > at > org.apache.myfaces.trinidad.render.CoreRenderer.encodeAllChildren(CoreRenderer.java:321) > at > oracle.adfinternal.view.faces.renderkit.rich.PopupRenderer.encodeAll(PopupRenderer.java:315) > at > oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1034) > at > org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:224) > at > org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:751) > at > org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:304) > at > oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer._encodeChild(PanelGroupLayoutRenderer.java:372) > at > oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer.access$300(PanelGroupLayoutRenderer.java:30) > at > oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer$EncoderCallback.processComponent(PanelGroupLayoutRenderer.java:621) > at > oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer$EncoderCallback.processComponent(PanelGroupLayoutRenderer.java:540) > at > org.apache.myfaces.trinidad.component.UIXComponent.processFlattenedChildren(UIXComponent.java:111) > at > org.apache.myfaces.trinidad.component.UIXComponent.processFlattenedChildren(UIXComponent.java:187) > at > org.apache.myfaces.trinidad.component.UIXComponent.processFlattenedChildren(UIXComponent.java:153) > at > oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer.encodeAll(PanelGroupLayoutRenderer.java:292) > at > oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1034) > at > org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:224) > at > org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:751) > at > org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:304) > at > oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer._encodeChild(PanelGroupLayoutRenderer.java:372) > at > oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer.access$300(PanelGroupLayoutRenderer.java:30) > at > oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer$EncoderCallback.processComponent(PanelGroupLayoutRenderer.java:621) > at > oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer$EncoderCallback.processComponent(PanelGroupLayoutRenderer.java:540) > at > org.apache.myfaces.trinidad.component.UIXComponent.processFlattenedChildren(UIXComponent.java:111) > at > org.apache.myfaces.trinidad.component.UIXComponent.processFlattenedChildren(UIXComponent.java:187) > at > org.apache.myfaces.trinidad.component.UIXComponent.processFlattenedChildren(UIXComponent.java:153) > at > oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer.encodeAll(PanelGroupLayoutRenderer.java:292) > at > oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1034) > at > org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:224) > at > org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:751) > at > org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:304) > at > org.apache.myfaces.trinidad.render.CoreRenderer.encodeAllChildren(CoreRenderer.java:321) > at > oracle.adfinternal.view.faces.renderkit.rich.FormRenderer.encodeAll(FormRenderer.java:164) > at > oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1034) > at > org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:224) > at > org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:751) > at > org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:304) > at > org.apache.myfaces.trinidad.render.CoreRenderer.encodeAllChildren(CoreRenderer.java:321) > at > oracle.adfinternal.view.faces.renderkit.rich.DocumentRenderer.encodeAll(DocumentRenderer.java:692) > at > oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1034) > at > org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:224) > at > org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:751) > at > org.apache.myfaces.trinidad.component.UIXComponentBase.__encodeRecursive(UIXComponentBase.java:1339) > at > org.apache.myfaces.trinidad.component.UIXComponentBase.encodeAll(UIXComponentBase.java:771) > at javax.faces.component.UIComponent.encodeAll(UIComponent.java:942) > at > com.sun.faces.application.ViewHandlerImpl.doRenderView(ViewHandlerImpl.java:273) > at > com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:204) > at > javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:189) > at > org.apache.myfaces.trinidadinternal.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:176) > at > oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._renderResponse(LifecycleImpl.java:652) > at > oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:243) > at > oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:203) > at javax.faces.webapp.FacesServlet.service(FacesServlet.java:266) > at > com.evermind.server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:64) > at > oracle.bpel.worklistapp.SessionTimeoutFilter.doFilter(SessionTimeoutFilter.java:141) > at > com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:15) > at > oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:181) > at > com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:17) > at > oracle.adfinternal.view.faces.webapp.rich.SharedLibraryFilter.doFilter(SharedLibraryFilter.java:135) > at > org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:278) > at > oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:76) > at > org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:278) > at > oracle.adfinternal.view.faces.activedata.ADSFilter.doFilter(ADSFilter.java:86) > at > org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:278) > at > org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._invokeDoFilter(TrinidadFilterImpl.java:238) > at > org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:195) > at > org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:138) > at > org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92) > at > com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:17) > at oracle.security.jazn.oc4j.JAZNFilter.doFilter(JAZNFilter.java:474) > at > com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:600) > at > com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:351) > at > com.evermind.server.http.HttpRequestHandler.doDispatchRequest(HttpRequestHandler.java:977) > at > com.evermind.server.http.HttpRequestHandler.doProcessRequest(HttpRequestHandler.java:878) > at > com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:676) > at > com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:644) > at > com.evermind.server.http.HttpRequestHandler.serveOneRequest(HttpRequestHandler.java:436) > at > com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:185) > at > com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:153) > at > oracle.oc4j.network.ServerSocketReadHandler$ClientRunnable.run(ServerSocketReadHandler.java:276) > at > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675) > at java.lang.Thread.run(Thread.java:595) > "HTTPThreadGroup-42" prio=10 tid=0x6382ba28 nid=0x20bf4 waiting on condition > [0x6904f000..0x6904fb94] > at sun.misc.Unsafe.park(Native Method) > at > java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:146) > at > java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireNanos(AbstractQueuedSynchronizer.java:772) > at > java.util.concurrent.locks.AbstractQueuedSynchronizer.tryAcquireNanos(AbstractQueuedSynchronizer.java:1087) > at > java.util.concurrent.SynchronousQueue$Node.waitForPut(SynchronousQueue.java:291) > at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:443) > at > java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:475) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:674) > at java.lang.Thread.run(Thread.java:595) > "HTTPThreadGroup-41" prio=10 tid=0x6ae3cce0 nid=0x20bf0 waiting on condition > [0x68d8f000..0x68d8fc14] > at sun.misc.Unsafe.park(Native Method) > at > java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:146) > at > java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireNanos(AbstractQueuedSynchronizer.java:772) > at > java.util.concurrent.locks.AbstractQueuedSynchronizer.tryAcquireNanos(AbstractQueuedSynchronizer.java:1087) > at > java.util.concurrent.SynchronousQueue$Node.waitForPut(SynchronousQueue.java:291) > at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:443) > at > java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:475) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:674) > at java.lang.Thread.run(Thread.java:595) > Thanks > Ramesh -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the 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