Christoph Leiter created WICKET-5049:
----------------------------------------
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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