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Posted to commits@wicket.apache.org by "Christoph Leiter (JIRA)" <ji...@apache.org> on 2013/02/20 10:45:12 UTC

[jira] [Created] (WICKET-5049) NPE in HttpSessionStore on startup

Christoph Leiter created WICKET-5049:
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             Summary: NPE in HttpSessionStore on startup
                 Key: WICKET-5049
                 URL: https://issues.apache.org/jira/browse/WICKET-5049
             Project: Wicket
          Issue Type: Bug
          Components: wicket
    Affects Versions: 6.6.0
            Reporter: Christoph Leiter
            Priority: Minor


I got this exception when starting my wicket app:

10:00:24.879 [WARN ] qtp725811713-28 - o.e.j.server.AbstractHttpConnection - /
java.lang.NullPointerException: null
	at org.apache.wicket.session.HttpSessionStore$SessionBindingListener.valueUnbound(HttpSessionStore.java:469) ~[wicket-core-6.6.0.jar:6.6.0]
	at org.eclipse.jetty.server.session.AbstractSession.unbindValue(AbstractSession.java:519) ~[jetty-all-server-8.1.9.v20130131.jar:8.1.9.v20130131]
	at org.eclipse.jetty.server.session.AbstractSession.clearAttributes(AbstractSession.java:370) ~[jetty-all-server-8.1.9.v20130131.jar:8.1.9.v20130131]
	at org.eclipse.jetty.server.session.AbstractSession.doInvalidate(AbstractSession.java:337) ~[jetty-all-server-8.1.9.v20130131.jar:8.1.9.v20130131]
	at org.eclipse.jetty.server.session.HashedSession.doInvalidate(HashedSession.java:90) ~[jetty-all-server-8.1.9.v20130131.jar:8.1.9.v20130131]
	at org.eclipse.jetty.server.session.AbstractSession.invalidate(AbstractSession.java:327) ~[jetty-all-server-8.1.9.v20130131.jar:8.1.9.v20130131]
	at org.eclipse.jetty.server.session.AbstractSession.access(AbstractSession.java:283) ~[jetty-all-server-8.1.9.v20130131.jar:8.1.9.v20130131]
	at org.eclipse.jetty.server.session.AbstractSessionManager.access(AbstractSessionManager.java:188) ~[jetty-all-server-8.1.9.v20130131.jar:8.1.9.v20130131]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:172) ~[jetty-all-server-8.1.9.v20130131.jar:8.1.9.v20130131]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1009) ~[jetty-all-server-8.1.9.v20130131.jar:8.1.9.v20130131]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135) ~[jetty-all-server-8.1.9.v20130131.jar:8.1.9.v20130131]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116) ~[jetty-all-server-8.1.9.v20130131.jar:8.1.9.v20130131]
	at org.eclipse.jetty.server.Server.handle(Server.java:368) ~[jetty-all-server-8.1.9.v20130131.jar:8.1.9.v20130131]
	at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:488) [jetty-all-server-8.1.9.v20130131.jar:8.1.9.v20130131]
	at org.eclipse.jetty.server.BlockingHttpConnection.handleRequest(BlockingHttpConnection.java:53) [jetty-all-server-8.1.9.v20130131.jar:8.1.9.v20130131]
	at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:932) [jetty-all-server-8.1.9.v20130131.jar:8.1.9.v20130131]
	at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:994) [jetty-all-server-8.1.9.v20130131.jar:8.1.9.v20130131]
	at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:640) [jetty-all-server-8.1.9.v20130131.jar:8.1.9.v20130131]
	at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235) [jetty-all-server-8.1.9.v20130131.jar:8.1.9.v20130131]
	at org.eclipse.jetty.server.BlockingHttpConnection.handle(BlockingHttpConnection.java:72) [jetty-all-server-8.1.9.v20130131.jar:8.1.9.v20130131]
	at org.eclipse.jetty.server.bio.SocketConnector$ConnectorEndPoint.run(SocketConnector.java:264) [jetty-all-server-8.1.9.v20130131.jar:8.1.9.v20130131]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608) [jetty-all-server-8.1.9.v20130131.jar:8.1.9.v20130131]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543) [jetty-all-server-8.1.9.v20130131.jar:8.1.9.v20130131]
	at java.lang.Thread.run(Thread.java:722) [na:1.7.0_13]

The line is: wicketSession.onInvalidate(); A simple null check should suffice.

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