我面临一个奇怪的问题,无法找出根本原因。这是问题陈述。
我有一个带有注销按钮的挂毯页面。当我单击注销按钮时,将执行下面的代码并出现异常。
// method which called onclick of logout button.
@OnEvent(value = EventConstants.ACTION, component = "tlogout")
public Object logout()
{
request.getSession(false).invalidate();
return "Login";
}
例外是:
INFO | net.awl.tapestry5.kawwa.services.KawwaModule.TabLocator | 2011-01-05 14:33:23,321
> Checking for any UPDATES
INFO | net.awl.bfi.websuite.services.AppModule.TimingFilter | 2011-01-05 14:33:23,352
> Request time: 31 ms
ERROR | org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/WebSuiteMoreaTapestry].[default] | 2011-01-05 14:33:23,352
> Servlet.service() for servlet default threw exception
java.lang.IllegalStateException: Cannot create a session after the response has been committed
at org.apache.catalina.connector.Request.doGetSession(Request.java:2221)
at org.apache.catalina.connector.Request.getSession(Request.java:2031)
at org.apache.catalina.connector.RequestFacade.getSession(RequestFacade.java:832)
at org.apache.catalina.connector.RequestFacade.getSession(RequestFacade.java:843)
at net.atos.xa.rm.jaas.openejb.web.RMOpenEJBFilter.doFilter(RMOpenEJBFilter.java:89)
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:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172)
at org.apache.openejb.tomcat.catalina.OpenEJBValve.invoke(OpenEJBValve.java:45)
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:174)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:875)
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:689)
at java.lang.Thread.run(Thread.java:595)
伙计们有什么想法吗?问候,
马亨德拉