[jbossseam-issues] [JBoss JIRA] Commented: (JBSEAM-1735) Pages.getStringValuesFromModel throws ConcurrentModificationException

Gavin King (JIRA) jira-events at lists.jboss.org
Fri Jul 27 15:28:46 EDT 2007 

    [ http://jira.jboss.com/jira/browse/JBSEAM-1735?page=comments#action_12370308 ] 
            
Gavin King commented on JBSEAM-1735:
------------------------------------

We need a test case that reproduces it.

> Pages.getStringValuesFromModel throws ConcurrentModificationException
> ---------------------------------------------------------------------
>
>                 Key: JBSEAM-1735
>                 URL: http://jira.jboss.com/jira/browse/JBSEAM-1735
>             Project: JBoss Seam
>          Issue Type: Bug
>          Components: Core
>            Reporter: Darryl Smith
>
> I don't see how this is happening from looking at the code, but occasionally I get a ConcurrentModificationException from Pages.getStringValuesFromModel. I can not reproduce it on demand.
> Only place that access this collection is  Pages:971 page.getParameters().add( parseParam(param) ); but this shouldn't be called after init from what I can see.
> Jul 27, 2007 2:44:09 PM com.sun.facelets.FaceletViewHandler handleRenderException
> SEVERE: Error Rendering View[/secure/viewVacancy.xhtml]
> java.util.ConcurrentModificationException
> 	at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:449)
> 	at java.util.AbstractList$Itr.next(AbstractList.java:420)
> 	at org.jboss.seam.navigation.Pages.getStringValuesFromModel(Pages.java:651)
> 	at org.jboss.seam.ui.component.UISeamCommandBase.getUrl(UISeamCommandBase.java:50)
> 	at org.jboss.seam.ui.renderkit.LinkRendererBase.doEncodeBegin(LinkRendererBase.java:26)
> 	at org.jboss.seam.ui.util.cdk.RendererBase.encodeBegin(RendererBase.java:79)
> 	at javax.faces.component.UIComponentBase.encodeBegin(UIComponentBase.java:785)
> 	at org.ajax4jsf.framework.renderer.RendererBase.renderChild(RendererBase.java:280)
> 	at org.richfaces.renderkit.html.ToolBarGroupRenderer.encodeChildren(ToolBarGroupRenderer.java:68)
> 	at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:809)
> 	at org.ajax4jsf.framework.renderer.RendererBase.renderChild(RendererBase.java:282)
> 	at org.richfaces.renderkit.html.ToolBarRendererBase.encodeChildren(ToolBarRendererBase.java:81)
> 	at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:809)
> 	at org.ajax4jsf.framework.renderer.RendererBase.renderChild(RendererBase.java:282)
> 	at org.ajax4jsf.framework.renderer.RendererBase.renderChildren(RendererBase.java:262)
> 	at org.richfaces.renderkit.html.PanelRenderer.doEncodeChildren(PanelRenderer.java:189)
> 	at org.richfaces.renderkit.html.PanelRenderer.doEncodeChildren(PanelRenderer.java:184)
> 	at org.ajax4jsf.framework.renderer.RendererBase.encodeChildren(RendererBase.java:121)
> 	at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:809)
> 	at org.jboss.seam.ui.util.cdk.RendererBase.renderChild(RendererBase.java:186)
> 	at org.jboss.seam.ui.util.cdk.RendererBase.renderChildren(RendererBase.java:166)
> 	at org.jboss.seam.ui.renderkit.DecorateRendererBase.doEncodeChildren(DecorateRendererBase.java:94)
> 	at org.jboss.seam.ui.util.cdk.RendererBase.encodeChildren(RendererBase.java:92)
> 	at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:809)
> 	at javax.faces.component.UIComponent.encodeAll(UIComponent.java:886)
> 	at javax.faces.component.UIComponent.encodeAll(UIComponent.java:892)
> 	at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:577)
> 	at org.ajax4jsf.framework.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:108)
> 	at org.ajax4jsf.framework.ajax.AjaxViewHandler.renderView(AjaxViewHandler.java:233)
> 	at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:106)
> 	at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251)
> 	at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:144)
> 	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:245)
> 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
> 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
> 	at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:82)
> 	at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:68)
> 	at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:68)
> 	at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:85)
> 	at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:68)
> 	at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:61)
> 	at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:68)
> 	at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:44)
> 	at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:68)
> 	at org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:127)
> 	at org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:277)
> 	at org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:60)
> 	at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:68)
> 	at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:58)
> 	at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:68)
> 	at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:149)
> 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
> 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
> 	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:210)
> 	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174)
> 	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:433)
> 	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
> 	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
> 	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
> 	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:151)
> 	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:870)
> 	at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
> 	at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
> 	at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
> 	at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:685)
> 	at java.lang.Thread.run(Thread.java:595)

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