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https://issues.apache.org/jira/browse/WICKET-5323?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Emond Papegaaij resolved WICKET-5323.
-------------------------------------
Resolution: Cannot Reproduce
This is exact the same stacktrace as in WICKET-5282 where we asked for a
quickstart. It looks like a bug in Atmosphere to me, but without a quickstart
that reproduces the problem, there's no way I can tell.
> During EventBus.post() from non-Wicket thread: an error occurred while
> generating an Url for handler at o.a.w.request.cycle.RequestCycle.urlFor()
> -------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: WICKET-5323
> URL: https://issues.apache.org/jira/browse/WICKET-5323
> Project: Wicket
> Issue Type: Bug
> Components: wicket-atmosphere
> Affects Versions: 6.10.0
> Environment: wicket-atmosphere 0.11, WebSockets protocol
> Reporter: Hendy Irawan
> Assignee: Emond Papegaaij
>
> When AtmosphereEventBus.post() is called from a non-Wicket thread (and no web
> request), it fails with the following, due to NullPointerException: null at
> org.apache.wicket.protocol.http.servlet.ServletWebRequest.getContextRelativeUrl()
> {code}
> 2013-08-22 08:48:30.656
> 04:49:23.551 | ERROR | oryBean_Worker-7 | o.a.w.DefaultExceptionMapper |
> he.wicket.DefaultExceptionMapper 123 | Unexpected error occurred
> org.apache.wicket.WicketRuntimeException: An error occurred while generating
> an Url for handler
> 'org.apache.wicket.core.request.handler.ListenerInterfaceRequestHandler@6f93daec'
> at
> org.apache.wicket.request.cycle.RequestCycle.urlFor(RequestCycle.java:535)
> [wicket-core-6.10.0.jar:6.10.0]
> at org.apache.wicket.Component.urlFor(Component.java:3347)
> ~[wicket-core-6.10.0.jar:6.10.0]
> at
> org.apache.wicket.behavior.AbstractAjaxBehavior.getCallbackUrl(AbstractAjaxBehavior.java:88)
> ~[wicket-core-6.10.0.jar:6.10.0]
> at
> org.apache.wicket.ajax.AbstractDefaultAjaxBehavior.renderAjaxAttributes(AbstractDefaultAjaxBehavior.java:223)
> ~[wicket-core-6.10.0.jar:6.10.0]
> at
> org.apache.wicket.ajax.AbstractDefaultAjaxBehavior.renderAjaxAttributes(AbstractDefaultAjaxBehavior.java:207)
> ~[wicket-core-6.10.0.jar:6.10.0]
> at
> org.apache.wicket.ajax.AbstractDefaultAjaxBehavior.getCallbackScript(AbstractDefaultAjaxBehavior.java:457)
> ~[wicket-core-6.10.0.jar:6.10.0]
> at
> org.apache.wicket.ajax.AjaxEventBehavior.renderHead(AjaxEventBehavior.java:83)
> ~[wicket-core-6.10.0.jar:6.10.0]
> at org.apache.wicket.Component.renderHead(Component.java:2714)
> ~[wicket-core-6.10.0.jar:6.10.0]
> at
> org.apache.wicket.markup.renderStrategy.ChildFirstHeaderRenderStrategy$1.component(ChildFirstHeaderRenderStrategy.java:85)
> ~[wicket-core-6.10.0.jar:6.10.0]
> at
> org.apache.wicket.markup.renderStrategy.DeepChildFirstVisitor.visit(DeepChildFirstVisitor.java:96)
> ~[wicket-core-6.10.0.jar:6.10.0]
> at
> org.apache.wicket.markup.renderStrategy.DeepChildFirstVisitor.visit(DeepChildFirstVisitor.java:87)
> ~[wicket-core-6.10.0.jar:6.10.0]
> at
> org.apache.wicket.markup.renderStrategy.DeepChildFirstVisitor.visit(DeepChildFirstVisitor.java:87)
> ~[wicket-core-6.10.0.jar:6.10.0]
> at
> org.apache.wicket.markup.renderStrategy.DeepChildFirstVisitor.visit(DeepChildFirstVisitor.java:87)
> ~[wicket-core-6.10.0.jar:6.10.0]
> at
> org.apache.wicket.markup.renderStrategy.DeepChildFirstVisitor.visit(DeepChildFirstVisitor.java:87)
> ~[wicket-core-6.10.0.jar:6.10.0]
> at
> org.apache.wicket.markup.renderStrategy.DeepChildFirstVisitor.visit(DeepChildFirstVisitor.java:87)
> ~[wicket-core-6.10.0.jar:6.10.0]
> at
> org.apache.wicket.markup.renderStrategy.DeepChildFirstVisitor.visit(DeepChildFirstVisitor.java:87)
> ~[wicket-core-6.10.0.jar:6.10.0]
> at
> org.apache.wicket.markup.renderStrategy.DeepChildFirstVisitor.visit(DeepChildFirstVisitor.java:87)
> ~[wicket-core-6.10.0.jar:6.10.0]
> at
> org.apache.wicket.markup.renderStrategy.DeepChildFirstVisitor.visit(DeepChildFirstVisitor.java:87)
> ~[wicket-core-6.10.0.jar:6.10.0]
> at
> org.apache.wicket.markup.renderStrategy.DeepChildFirstVisitor.visit(DeepChildFirstVisitor.java:87)
> ~[wicket-core-6.10.0.jar:6.10.0]
> at
> org.apache.wicket.markup.renderStrategy.DeepChildFirstVisitor.visit(DeepChildFirstVisitor.java:51)
> ~[wicket-core-6.10.0.jar:6.10.0]
> at
> org.apache.wicket.markup.renderStrategy.ChildFirstHeaderRenderStrategy.renderChildHeaders(ChildFirstHeaderRenderStrategy.java:78)
> ~[wicket-core-6.10.0.jar:6.10.0]
> at
> org.apache.wicket.markup.renderStrategy.ChildFirstHeaderRenderStrategy.renderHeader(ChildFirstHeaderRenderStrategy.java:57)
> ~[wicket-core-6.10.0.jar:6.10.0]
> at
> org.apache.wicket.ajax.AbstractAjaxResponse.writeHeaderContribution(AbstractAjaxResponse.java:464)
> ~[wicket-core-6.10.0.jar:6.10.0]
> at
> org.apache.wicket.ajax.XmlAjaxResponse.writeComponent(XmlAjaxResponse.java:110)
> ~[wicket-core-6.10.0.jar:6.10.0]
> at
> org.apache.wicket.ajax.AbstractAjaxResponse.writeComponents(AbstractAjaxResponse.java:213)
> ~[wicket-core-6.10.0.jar:6.10.0]
> at
> org.apache.wicket.ajax.AbstractAjaxResponse.writeTo(AbstractAjaxResponse.java:145)
> ~[wicket-core-6.10.0.jar:6.10.0]
> at
> org.apache.wicket.ajax.AjaxRequestHandler.respond(AjaxRequestHandler.java:359)
> ~[wicket-core-6.10.0.jar:6.10.0]
> at
> org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:861)
> ~[wicket-core-6.10.0.jar:6.10.0]
> at
> org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:64)
> ~[wicket-request-6.10.0.jar:6.10.0]
> at
> org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:97)
> ~[wicket-request-6.10.0.jar:6.10.0]
> at
> org.apache.wicket.request.cycle.RequestCycle.execute(RequestCycle.java:261)
> [wicket-core-6.10.0.jar:6.10.0]
> at
> org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:218)
> [wicket-core-6.10.0.jar:6.10.0]
> at
> org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:289)
> [wicket-core-6.10.0.jar:6.10.0]
> at org.apache.wicket.atmosphere.EventBus.post(EventBus.java:341)
> ~[wicket-atmosphere-0.11.jar:0.11]
> at
> org.apache.wicket.atmosphere.EventBus.postToSingleResource(EventBus.java:317)
> ~[wicket-atmosphere-0.11.jar:0.11]
> at org.apache.wicket.atmosphere.EventBus.post(EventBus.java:292)
> ~[wicket-atmosphere-0.11.jar:0.11]
> at
> org.soluvas.web.site.AtmosphereApplication.bridgeToAtmosphere(AtmosphereApplication.java:53)
> ~[org.soluvas.web.site-2.1.0-SNAPSHOT.jar:na]
> at sun.reflect.GeneratedMethodAccessor73.invoke(Unknown Source)
> ~[na:na]
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> ~[na:1.7.0_25]
> at java.lang.reflect.Method.invoke(Method.java:606) ~[na:1.7.0_25]
> at
> com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:74)
> ~[guava-14.0.1.jar:na]
> at
> com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
> ~[guava-14.0.1.jar:na]
> at com.google.common.eventbus.EventBus.dispatch(EventBus.java:314)
> ~[guava-14.0.1.jar:na]
> at
> com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)
> ~[guava-14.0.1.jar:na]
> at com.google.common.eventbus.EventBus.post(EventBus.java:267)
> ~[guava-14.0.1.jar:na]
> at
> com.quikdo.freq.job.EventBusJobListener.jobWasExecuted(EventBusJobListener.java:54)
> ~[EventBusJobListener.class:na]
> at
> org.quartz.core.QuartzScheduler.notifyJobListenersWasExecuted(QuartzScheduler.java:2020)
> ~[quartz-2.2.0.jar:na]
> at
> org.quartz.core.JobRunShell.notifyJobListenersComplete(JobRunShell.java:355)
> ~[quartz-2.2.0.jar:na]
> at org.quartz.core.JobRunShell.run(JobRunShell.java:229)
> ~[quartz-2.2.0.jar:na]
> at
> org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:560)
> ~[quartz-2.2.0.jar:na]
> Caused by: java.lang.NullPointerException: null
> at
> org.apache.wicket.protocol.http.servlet.ServletWebRequest.getContextRelativeUrl(ServletWebRequest.java:194)
> ~[wicket-core-6.10.0.jar:6.10.0]
> at
> org.apache.wicket.protocol.http.servlet.ServletWebRequest.getClientUrl(ServletWebRequest.java:148)
> ~[wicket-core-6.10.0.jar:6.10.0]
> at
> org.apache.wicket.atmosphere.AtmosphereWebRequest.getClientUrl(AtmosphereWebRequest.java:112)
> ~[wicket-atmosphere-0.11.jar:0.11]
> at
> org.apache.wicket.request.UrlRenderer.shouldRenderAsFull(UrlRenderer.java:354)
> ~[wicket-request-6.10.0.jar:6.10.0]
> at
> org.apache.wicket.request.UrlRenderer.renderUrl(UrlRenderer.java:100)
> ~[wicket-request-6.10.0.jar:6.10.0]
> at
> org.apache.wicket.request.cycle.RequestCycle.renderUrl(RequestCycle.java:548)
> [wicket-core-6.10.0.jar:6.10.0]
> at
> org.apache.wicket.request.cycle.RequestCycle.urlFor(RequestCycle.java:530)
> [wicket-core-6.10.0.jar:6.10.0]
> ... 49 common frames omitted
> at
> org.apache.wicket.DefaultExceptionMapper.internalMap(DefaultExceptionMapper.java:123)
> at
> org.apache.wicket.DefaultExceptionMapper.map(DefaultExceptionMapper.java:62)
> at
> org.apache.wicket.request.cycle.RequestCycle.handleException(RequestCycle.java:352)
> at
> org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:229)
> at
> org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:289)
> at org.apache.wicket.atmosphere.EventBus.post(EventBus.java:341)
> at
> org.apache.wicket.atmosphere.EventBus.postToSingleResource(EventBus.java:317)
> at org.apache.wicket.atmosphere.EventBus.post(EventBus.java:292)
> {code}
> Note that although there is no web request, the Atmosphere EventBus.post()
> should still work.
> Also FYI, not sure if this helps, a WebSocket request scheme is "WebSocket",
> not "http" nor "http".
> Related to WICKET-5134, WICKET-5084, WICKET-5280.
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