NullPointerException in
BehaviorRequestTarget.processEvents(BehaviorRequestTarget.java:96)
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Key: WICKET-2508
URL: https://issues.apache.org/jira/browse/WICKET-2508
Project: Wicket
Issue Type: Bug
Components: wicket
Affects Versions: 1.4.0
Environment: caucho resin 3.1.5, wicket 1.4
Reporter: Joseph Pachod
Priority: Minor
When had the following exception occurring in a production system, while
running :
java.lang.NullPointerException
at
org.apache.wicket.request.target.component.listener.BehaviorRequestTarget.processEvents(BehaviorRequestTarget.java:96)
at
org.apache.wicket.request.AbstractRequestCycleProcessor.processEvents(AbstractRequestCycleProcessor.java:92)
at
org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:1241)
at org.apache.wicket.RequestCycle.step(RequestCycle.java:1320)
at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1419)
at org.apache.wicket.RequestCycle.request(RequestCycle.java:545)
at
org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:456)
at
org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:289)
at
com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:87)
at
org.codesmell.jpsak.servlet.EntityManagerFilter.doFilter(EntityManagerFilter.java:40)
at
com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:87)
at
com.softculture.services.errornotification.wicket.ENFilter.doFilter(ENFilter.java:45)
at
com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:87)
at
com.caucho.server.webapp.WebAppFilterChain.doFilter(WebAppFilterChain.java:187)
at
com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:266)
at
com.caucho.server.hmux.HmuxRequest.handleRequest(HmuxRequest.java:452)
at
com.caucho.server.port.TcpConnection.handleConnection(TcpConnection.java:563)
at
com.caucho.server.port.TcpConnection$KeepaliveTask.run(TcpConnection.java:1177)
at com.caucho.util.ThreadPool$Item.runTasks(ThreadPool.java:759)
at com.caucho.util.ThreadPool$Item.run(ThreadPool.java:681)
at java.lang.Thread.run(Thread.java:619)
At least checking for null when doing "if (behaviors.size() > idAsInt)" in
BehaviorRequestTarget would be good, maybe more is to be done (?).
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