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From Jakob Korherr <jakob.korh...@gmail.com>
Subject Re: ConcurrentModificationException using t:selectManyPickList
Date Thu, 22 Jul 2010 22:02:10 GMT
Hi,

Please file an issue in the JIRA at [1] for this.

Thanks!

Regards,
Jakob

[1] https://issues.apache.org/jira/browse/TOMAHAWK

2010/7/22 suresht <tipirneni@yahoo.com>

>
> There is an occasional ConcurrentModificationException errors coming up on
> JSF MyFaces (1.1.7) and Tomahawk(1.1.10)
>
>                <t:selectManyPicklist id="select_pick1" size="5"
> value="#{searchController.selectedPicks}"
> valueChangeListener="#{searchController.selectionChanged}"
> rendered="#{searchController.searchvalsResults}">
>                                        <f:selectItems
> value="#{searchController.srch1revvals}" />
>                                </t:selectManyPicklist>
>
>  Eventhough there is no concurrent modification of variable the following
> errors shows up
>
> Jul 6, 2010 4:35:38 PM org.apache.catalina.core.ApplicationDispatcher
> invoke
> SEVERE: Servlet.service() for servlet jsp threw exception
> java.util.ConcurrentModificationException
>        at
> java.util.AbstractList$Itr.checkForComodification(AbstractList.java:4
> 49)
>        at java.util.AbstractList$Itr.next(AbstractList.java:420)
>        at
> org.apache.commons.collections.CollectionUtils.collect(CollectionUtil
> s.java:631)
>        at
> org.apache.commons.collections.CollectionUtils.collect(CollectionUtil
> s.java:610)
>        at
> org.apache.commons.collections.CollectionUtils.collect(CollectionUtil
> s.java:575)
>        at com.utmb.web.beans.searchController.getsrch1revvals(Unknown
> Source)
>        at sun.reflect.GeneratedMethodAccessor780.invoke(Unknown Source)
>        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
> sorImpl.java:25)
>        at java.lang.reflect.Method.invoke(Method.java:585)
>        at
> org.apache.myfaces.el.PropertyResolverImpl.getProperty(PropertyResolv
> erImpl.java:459)
>        at
> org.apache.myfaces.el.PropertyResolverImpl.getValue(PropertyResolverI
> mpl.java:85)
>        at
> org.apache.myfaces.el.ELParserHelper$MyPropertySuffix.evaluate(ELPars
> erHelper.java:539)
>        at
> org.apache.commons.el.ComplexValue.evaluate(ComplexValue.java:145)
>        at
> org.apache.myfaces.el.ValueBindingImpl.getValue(ValueBindingImpl.java
> :386)
>        at
> javax.faces.component.UISelectItems.getValue(UISelectItems.java:108)
>        at
> org.apache.myfaces.shared_tomahawk.util.SelectItemsIterator.hasNext(S
> electItemsIterator.java:127)
>        at
> org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.internalGe
> tSelectItemList(RendererUtils.java:462)
>        at
> org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.getSelectI
> temList(RendererUtils.java:448)
>        at
> org.apache.myfaces.custom.picklist.HtmlPicklistRenderer.encodeEnd(Htm
> lPicklistRenderer.java:161)
>        at
> javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:
> 775)
>        at
> org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChil
> d(RendererUtils.java:431)
>        at
> org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlGridRendererBas
> e.renderChildren(HtmlGridRendererBase.java:229)
>        at
> org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlGridRendererBas
> e.encodeEnd(HtmlGridRendererBase.java:101)
>        at
> javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:
> 775)
>        at
> org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChil
> d(RendererUtils.java:431)
>        at
> org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlGridRendererBas
> e.renderChildren(HtmlGridRendererBase.java:229)
>        at
> org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlGridRendererBas
> e.encodeEnd(HtmlGridRendererBase.java:101)
>        at
> javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:
> 775)
>        at
> javax.faces.webapp.UIComponentTag.encodeEnd(UIComponentTag.java:678)
>        at
> javax.faces.webapp.UIComponentTag.doEndTag(UIComponentTag.java:546)
>        at
> org.apache.jsp.protected_.query_jsp._jspx_meth_t_005fpanelGrid_005f4(
> query_jsp.java:1343)
>       at
> org.apache.jsp.protected_.query_jsp._jspx_meth_h_005fform_005f0(query
> _jsp.java:727)
>        at
> org.apache.jsp.protected_.query_jsp._jspx_meth_f_005fview_005f0(query
> _jsp.java:620)
>        at
> org.apache.jsp.protected_.query_jsp._jspService(query_jsp.java:215)
>        at
> org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
>        at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>        at
> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper
> .java:377)
>        at
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:3
> 13)
>        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
>        at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>        at sun.reflect.GeneratedMethodAccessor46.invoke(Unknown Source)
>        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
> sorImpl.java:25)
>        at java.lang.reflect.Method.invoke(Method.java:585)
>        at
> org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:269
> )
>        at java.security.AccessController.doPrivileged(Native Method)
>        at javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
>        at
> org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:3
>    at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.
> java:162)
>        at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
> icationFilterChain.java:283)
>        at
> org.apache.catalina.core.ApplicationFilterChain.access$000(Applicatio
> nFilterChain.java:56)
>        at
> org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilt
> erChain.java:189)
>        at java.security.AccessController.doPrivileged(Native Method)
>        at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
> ilterChain.java:185)
>        at
> org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDisp
> atcher.java:646)
>        at
> org.apache.catalina.core.ApplicationDispatcher.processRequest(Applica
> tionDispatcher.java:436)
>        at
> org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationD
> ispatcher.java:374)
>        at
> org.apache.catalina.core.ApplicationDispatcher.access$000(Application
> Dispatcher.java:65)
>        at
> org.apache.catalina.core.ApplicationDispatcher$PrivilegedForward.run(
> ApplicationDispatcher.java:80)
>   at java.security.AccessController.doPrivileged(Native Method)
>        at
> org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDis
> patcher.java:294)
>        at
> org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatc
> h(ServletExternalContextImpl.java:426)
>        at
> org.apache.myfaces.application.jsp.JspViewHandlerImpl.renderView(JspV
> iewHandlerImpl.java:255)
>        at
> org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderRes
> ponseExecutor.java:41)
>        at
> org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:
> 146)
>        at javax.faces.webapp.FacesServlet.service(FacesServlet.java:147)
>        at sun.reflect.GeneratedMethodAccessor354.invoke(Unknown Source)
>        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
> sorImpl.java:25)
>        at java.lang.reflect.Method.invoke(Method.java:585)
>        at
> org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:269
> )
>        at java.security.AccessController.doPrivileged(Native Method)
>        at javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
>        at
> org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:3
> 01)
>  at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.
> java:243)
>        at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
> icationFilterChain.java:230)
>        at
> org.apache.catalina.core.ApplicationFilterChain.access$000(Applicatio
> nFilterChain.java:56)
>        at
> org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilt
> erChain.java:189)
>        at java.security.AccessController.doPrivileged(Native Method)
>        at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
> ilterChain.java:185)
>        at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperV
> alve.java:233)
>        at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextV
> alve.java:191)
>        at
> org.apache.catalina.authenticator.AuthenticatorBase.invoke(Authentica
> torBase.java:558)
>        at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.j
> ava:127)
>        at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.j
> ava:102)
>  at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:
> 555)
>        at
> org.apache.catalina.authenticator.SingleSignOn.invoke(SingleSignOn.ja
> va:421)
>        at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineVal
> ve.java:109)
>        at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.jav
> a:298)
>        at
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java
> :852)
>        at
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.proce
> ss(Http11Protocol.java:588)
>        at
> org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:48
> 9)
>
> --
> View this message in context:
> http://old.nabble.com/ConcurrentModificationException-using-t%3AselectManyPickList-tp29239199p29239199.html
> Sent from the MyFaces - Users mailing list archive at Nabble.com.
>
>


-- 
Jakob Korherr

blog: http://www.jakobk.com
twitter: http://twitter.com/jakobkorherr
work: http://www.irian.at

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