Hendy Irawan created WICKET-5282:
------------------------------------
Summary:
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
Assignee: Emond Papegaaij
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.
--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators
For more information on JIRA, see: http://www.atlassian.com/software/jira
