9:41 p.m.
Singleton is not set exception for extension observer of BeforeShutdown event
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Key: WELD-891
URL: https://issues.jboss.org/browse/WELD-891
Project: Weld
Issue Type: Bug
Components: Events
Affects Versions: 1.1.1.Final
Environment: Weld SE
Reporter: Aaron Anderson
Attachments: weldext.zip
When updating to Weld 1.1.1.Final from Weld 1.1.0.Final (this version works fine) the
following exception is thrown during a Weld shutdown() invocation:
225509 [main] ERROR org.jboss.weld.Bootstrap - Exception(s) thrown during observ
er of BeforeShutdown
225509 [main] ERROR org.jboss.weld.Bootstrap -
java.lang.IllegalStateException: Singleton is not set
at org.jboss.weld.bootstrap.api.helpers.IsolatedStaticSingletonProvider$
IsolatedStaticSingleton.get(IsolatedStaticSingletonProvider.java:52)
at org.jboss.weld.context.AbstractSharedContext.getBeanStore(AbstractSha
redContext.java:54)
at org.jboss.weld.context.AbstractContext.get(AbstractContext.java:93)
at org.jboss.weld.manager.BeanManagerImpl.getReference(BeanManagerImpl.j
ava:690)
at org.jboss.weld.event.ObserverMethodImpl.sendEvent(ObserverMethodImpl.
java:264)
at org.jboss.weld.event.ObserverMethodImpl.notify(ObserverMethodImpl.jav
a:234)
at org.jboss.weld.bootstrap.events.AbstractContainerEvent.fire(AbstractC
ontainerEvent.java:88)
at org.jboss.weld.bootstrap.events.BeforeShutdownImpl.fire(BeforeShutdow
nImpl.java:62)
at org.jboss.weld.bootstrap.events.BeforeShutdownImpl.fire(BeforeShutdow
nImpl.java:50)
at org.jboss.weld.bootstrap.WeldBootstrap.shutdown(WeldBootstrap.java:49
1)
at org.jboss.weld.environment.se.ShutdownManager.shutdown(ShutdownManage
r.java:45)
at org.jboss.weld.environment.se.org$jboss$weld$bean-classpath-ManagedBe
an-org$jboss$weld$environment$se$ShutdownManager$@javax$enterprise$context$Appli
cationScoped()${}_$$_WeldClientProxy.shutdown(org$jboss$weld$bean-classpath-Mana
gedBean-org$jboss$weld$environment$se$ShutdownManager$@javax$enterprise$context$
ApplicationScoped()${}_$$_WeldClientProxy.java)
at org.jboss.weld.environment.se.Weld.shutdown(Weld.java:169)
at org.apache.ode.server.event.EventTest.tearDownAfterClass(EventTest.ja
va:76)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(Framework
Method.java:44)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCal
lable.java:15)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMe
thod.java:41)
at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.ja
va:37)
at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
at org.apache.maven.surefire.junit4.JUnit4TestSet.execute(JUnit4TestSet.
java:35)
at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4
Provider.java:146)
at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider
.java:97)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.maven.surefire.booter.ProviderFactory$ClassLoaderProxy.inv
oke(ProviderFactory.java:103)
at $Proxy0.invoke(Unknown Source)
at org.apache.maven.surefire.booter.SurefireStarter.invokeProvider(Suref
ireStarter.java:145)
at org.apache.maven.surefire.booter.SurefireStarter.runSuitesInProcess(S
urefireStarter.java:87)
at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:
69)
Running the code through a debugger it looks like my CDI extension, which is not annotated
with a scope annotation, is being placed in the ApplicationScope context but when Weld
shutdowns the following code is invoked
WeldBootstrap line 490:
try
{
applicationContext.invalidate();
BeforeShutdownImpl.fire(deploymentManager, beanDeployments);
}
which invalidates the context the extension exists in before invoking the shutdown event
on the extension thus causing the exception.
Please download and run the attached maven example by running mvn clean test
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