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Posted to commits@wicket.apache.org by "Martin Grigorov (JIRA)" <ji...@apache.org> on 2013/08/13 11:14:48 UTC
[jira] [Resolved] (WICKET-5282)
o.a.w.protocol.http.servlet.ServletWebRequest.getContextRelativeUrl throws
NPE when posting EventBus inside Atmosphere request
[ https://issues.apache.org/jira/browse/WICKET-5282?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Martin Grigorov resolved WICKET-5282.
-------------------------------------
Resolution: Cannot Reproduce
Assignee: (was: Emond Papegaaij)
Please provide a quickstart and we will reopen the ticket.
> o.a.w.protocol.http.servlet.ServletWebRequest.getContextRelativeUrl throws NPE when posting EventBus inside Atmosphere request
> ------------------------------------------------------------------------------------------------------------------------------
>
> Key: WICKET-5282
> URL: https://issues.apache.org/jira/browse/WICKET-5282
> Project: Wicket
> Issue Type: Bug
> Components: wicket, wicket-atmosphere
> Affects Versions: 6.9.1
> Environment: wicket-atmosphere 0.11, Tomcat 7.0
> Reporter: Hendy Irawan
>
> Sometimes happens when during an Wicket-Atmosphere request, i.e. inside an Atmosphere's @Subscribe handler, we post an object to Wicket-Atmosphere's EventBus.
> {code}
> 08:17:46.460 | ERROR | oryBean_Worker-9 | c.g.c.e.E.default | .google.common.eventbus.EventBus 316 | Could not dispatch event: Job DEFAULT.loadToArchive execution complete at 08:17:46 07/22/2013 and reports: exitCode=COMPLETED;exitDescription=Loaded 1 CSVs to Archive as archived/2013-07-22T08:17:46.098-04:00.csv, 1 point times made stale: [2013-07-22T12:15:00.000Z] to handler [wrapper public void org.soluvas.web.site.AtmosphereApplication.bridgeToAtmosphere(java.lang.Object)]
> java.lang.reflect.InvocationTargetException: null
> at sun.reflect.GeneratedMethodAccessor66.invoke(Unknown Source) ~[na:na]
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.7.0_15]
> at java.lang.reflect.Method.invoke(Method.java:601) ~[na:1.7.0_15]
> 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-6.9.1.jar:6.9.1]
> at org.apache.wicket.protocol.http.servlet.ServletWebRequest.<init>(ServletWebRequest.java:113) ~[wicket-core-6.9.1.jar:6.9.1]
> at org.apache.wicket.protocol.http.servlet.ServletWebRequest.<init>(ServletWebRequest.java:83) ~[wicket-core-6.9.1.jar:6.9.1]
> at org.apache.wicket.protocol.http.WebApplication.newWebRequest(WebApplication.java:448) ~[wicket-core-6.9.1.jar:6.9.1]
> at org.apache.wicket.atmosphere.EventBus.post(EventBus.java:337) ~[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]
> ... 13 common frames omitted
> 08:17:46.465 | ERROR | ryBean_Worker-10 | c.g.c.e.E.default | .google.common.eventbus.EventBus 316 | Could not dispatch event: Job DEFAULT.locationVisitorAggregator fired (by trigger DEFAULT.MT_3jn71esi0mkgo) at: 08:17:46 07/22/2013 to handler [wrapper public void org.soluvas.web.site.AtmosphereApplication.bridgeToAtmosphere(java.lang.Object)]
> java.lang.reflect.InvocationTargetException: null
> at sun.reflect.GeneratedMethodAccessor66.invoke(Unknown Source) ~[na:na]
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.7.0_15]
> at java.lang.reflect.Method.invoke(Method.java:601) ~[na:1.7.0_15]
> 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.jobToBeExecuted(EventBusJobListener.java:37) [EventBusJobListener.class:na]
> at org.quartz.core.QuartzScheduler.notifyJobListenersToBeExecuted(QuartzScheduler.java:1980) [quartz-2.2.0.jar:na]
> at org.quartz.core.JobRunShell.notifyListenersBeginning(JobRunShell.java:339) [quartz-2.2.0.jar:na]
> at org.quartz.core.JobRunShell.run(JobRunShell.java:174) [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-6.9.1.jar:6.9.1]
> at org.apache.wicket.protocol.http.servlet.ServletWebRequest.<init>(ServletWebRequest.java:113) ~[wicket-core-6.9.1.jar:6.9.1]
> at org.apache.wicket.protocol.http.servlet.ServletWebRequest.<init>(ServletWebRequest.java:83) ~[wicket-core-6.9.1.jar:6.9.1]
> at org.apache.wicket.protocol.http.WebApplication.newWebRequest(WebApplication.java:448) ~[wicket-core-6.9.1.jar:6.9.1]
> at org.apache.wicket.atmosphere.EventBus.post(EventBus.java:337) ~[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]
> ... 13 common frames omitted
> {code}
> The NPE happens inside wicket-core, so hopefully wicket-core can give more detailed exception why it's doing so.
> And {{org.apache.wicket.atmosphere.EventBus.post}} should probably check its arguments that may cause NPE on wicket-core's part.
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