[jboss-jira] [JBoss JIRA] Created: (JBWEB-139) NullPointerException on HttpSession.invalidate()

[Trustin Lee (JIRA)]

NullPointerException on HttpSession.invalidate()
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                 Key: JBWEB-139
                 URL: https://jira.jboss.org/jira/browse/JBWEB-139
             Project: JBoss Web
          Issue Type: Bug
      Security Level: Public (Everyone can see)
          Components: Tomcat
    Affects Versions: JBossWeb-2.1.3.GA
            Reporter: Trustin Lee
            Assignee: Remy Maucherat


It seems like NPE is raised if a user application calls HttpSession.invalidate() after undeployment.  Here's the log from JBAS 5.1.0.Beta1:

10:09:56,063 INFO  [ServerImpl] JBoss (Microcontainer) [5.1.0.Beta1 (build: SVNTag=JBoss_5_1_0_Beta1 date=200903131506)] Started in 24s:289ms
10:10:03,146 INFO  [TomcatDeployment] deploy, ctxPath=/jms-servlet
10:10:08,194 INFO  [TomcatDeployment] undeploy, ctxPath=/jms-servlet
10:10:08,217 WARNING [HttpTunnelingChannelHandler] Unexpected exception
java.lang.NullPointerException
	at org.apache.catalina.session.StandardSession.expire(StandardSession.java:730)
	at org.apache.catalina.session.StandardSession.expire(StandardSession.java:660)
	at org.apache.catalina.session.StandardSession.invalidate(StandardSession.java:1115)
	at org.apache.catalina.session.StandardSessionFacade.invalidate(StandardSessionFacade.java:150)
	at org.jboss.netty.channel.socket.http.HttpTunnelingChannelHandler.channelClosed(HttpTunnelingChannelHandler.java:144)
	at org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:105)
	at org.jboss.netty.channel.Channels.fireChannelClosed(Channels.java:564)
	at org.jboss.netty.channel.local.DefaultLocalChannel.closeNow(DefaultLocalChannel.java:102)
	at org.jboss.netty.channel.local.LocalClientChannelSink.eventSunk(LocalClientChannelSink.java:66)
	at org.jboss.netty.channel.Channels.close(Channels.java:1043)
	at org.jboss.netty.channel.AbstractChannel.close(AbstractChannel.java:185)
	at org.jboss.netty.channel.socket.http.HttpTunnelingServlet.streamResponse(HttpTunnelingServlet.java:99)
	at org.jboss.netty.channel.socket.http.HttpTunnelingServlet.doRequest(HttpTunnelingServlet.java:62)
	at org.jboss.netty.channel.socket.http.HttpTunnelingServlet.doPost(HttpTunnelingServlet.java:195)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)
	at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)
	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:601)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
	at java.lang.Thread.run(Thread.java:619)

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