jsf问题,难者不会,会者不难,还请大家帮忙

划破天使脸 发布于 2015/05/12 17:28
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JSF

小弟第一次用jsf这东西.稍微有点老.不是很熟悉.

突然报了一个错

还请大家帮忙给看看

2015-5-12 17:14:13 com.sun.faces.application.view.FaceletViewHandlingStrategy handleRenderException
严重: Error Rendering View[/admin/security/roles_list.xhtml]
java.util.ConcurrentModificationException
at java.util.LinkedHashMap$LinkedHashIterator.nextEntry(LinkedHashMap.java:373)
at java.util.LinkedHashMap$EntryIterator.next(LinkedHashMap.java:392)
at java.util.LinkedHashMap$EntryIterator.next(LinkedHashMap.java:391)
at java.util.AbstractMap.equals(AbstractMap.java:420)
at java.util.Collections$SynchronizedMap.equals(Collections.java:2020)
at com.sun.faces.context.SessionMap.put(SessionMap.java:138)
at com.sun.faces.context.SessionMap.put(SessionMap.java:61)
at com.sun.faces.renderkit.ServerSideStateHelper.writeState(ServerSideStateHelper.java:243)
at com.sun.faces.renderkit.ResponseStateManagerImpl.writeState(ResponseStateManagerImpl.java:122)
at com.sun.faces.application.StateManagerImpl.writeState(StateManagerImpl.java:113)
at com.sun.faces.application.view.WriteBehindStateWriter.flushToWriter(WriteBehindStateWriter.java:225)
at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:469)
at com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:125)
at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:286)
at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:120)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:594)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:879)
at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:617)
at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1778)
at java.lang.Thread.run(Thread.java:619)
2015-5-12 17:14:13 com.sun.faces.context.ExceptionHandlerImpl throwIt
信息: Exception when handling error trying to reset the response.

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