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https://issues.apache.org/jira/browse/WICKET-5773?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Andrea Del Bene reassigned WICKET-5773:
---------------------------------------
Assignee: Andrea Del Bene
> Removal of AjaxTimerBehavior throws InvalidBehaviorIdException
> --------------------------------------------------------------
>
> Key: WICKET-5773
> URL: https://issues.apache.org/jira/browse/WICKET-5773
> Project: Wicket
> Issue Type: Bug
> Components: wicket
> Affects Versions: 6.16.0, 6.18.0
> Reporter: Krys Malak
> Assignee: Andrea Del Bene
> Attachments: myproject.zip
>
>
> Under the following setup we get an exception in our project:
> Component with an AbstractAjaxTimerBehavior with a simple Model. Two Links
> that change the model value and execute "ajaxRequestTarget.add" on this
> component. Depending on the model value the timerBehavior is added or removed
> to the component.
> See the enclosed Quickstart: Step to reproduce in Application started in
> Debug. Breakpoint set in "onConfigure" of Component:
> Click Link2. Timer Behavior is firing every second.
> Click Link1. Hold on Breakpoint in "onConfigure" and let the application
> continue.
> -> org.apache.wicket.behavior.InvalidBehaviorIdException
> In rare cases, it is possible to reproduce this behavior without a
> breakpoint, but with the breakpoint it is reporduceable every time. I could
> not write a test (in debug or normal) that shows the same behavior.
> Exception:
> Last cause: Cannot find behavior with id '0' on component
> 'com.mycompany.HomePage$1:container' in page '[Page class =
> com.mycompany.HomePage, id = 0, render count = 1]'. Perhaps the behavior did
> not properly implement getStatelessHint() and returned 'true' to indicate
> that it is stateless instead of returning 'false' to indicate that it is
> stateful.
> Stack:
> Root cause:
> org.apache.wicket.behavior.InvalidBehaviorIdException: Cannot find behavior
> with id '0' on component 'com.mycompany.HomePage$1:container' in page '[Page
> class = com.mycompany.HomePage, id = 0, render count = 1]'. Perhaps the
> behavior did not properly implement getStatelessHint() and returned 'true' to
> indicate that it is stateless instead of returning 'false' to indicate that
> it is stateful.
> at org.apache.wicket.Behaviors.getBehaviorById(Behaviors.java:316)
> at org.apache.wicket.Component.getBehaviorById(Component.java:4470)
> at
> org.apache.wicket.core.request.handler.ListenerInterfaceRequestHandler.invokeListener(ListenerInterfaceRequestHandler.java:249)
> at
> org.apache.wicket.core.request.handler.ListenerInterfaceRequestHandler.respond(ListenerInterfaceRequestHandler.java:236)
> at
> org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:862)
> at
> org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:64)
> at org.apache.wicket.request.cycle.RequestCycle.execute(RequestCycle.java:261)
> at
> org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:218)
> at
> org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:289)
> at
> org.apache.wicket.protocol.http.WicketFilter.processRequestCycle(WicketFilter.java:259)
> at
> org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:201)
> at
> org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:282)
> at
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1291)
> at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:443)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
> at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:556)
> at
> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:227)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1044)
> at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:372)
> at
> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:189)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:978)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
> at
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
> at org.eclipse.jetty.server.Server.handle(Server.java:369)
> at
> org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:486)
> at
> org.eclipse.jetty.server.BlockingHttpConnection.handleRequest(BlockingHttpConnection.java:53)
> at
> org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:933)
> at
> org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:995)
> at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:644)
> at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
> at
> org.eclipse.jetty.server.BlockingHttpConnection.handle(BlockingHttpConnection.java:72)
> at
> org.eclipse.jetty.server.bio.SocketConnector$ConnectorEndPoint.run(SocketConnector.java:264)
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)
> at java.lang.Thread.run(Thread.java:724)
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