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https://issues.apache.org/jira/browse/OWB-1066?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14558477#comment-14558477
 ] 

Harald Wellmann commented on OWB-1066:
--------------------------------------

Looks good now! (rev 1681576)

> Stack overflow on firing parameterized event
> --------------------------------------------
>
>                 Key: OWB-1066
>                 URL: https://issues.apache.org/jira/browse/OWB-1066
>             Project: OpenWebBeans
>          Issue Type: Bug
>          Components: Events
>    Affects Versions: 1.5.0
>            Reporter: Harald Wellmann
>            Assignee: Mark Struberg
>             Fix For: 1.6.0
>
>
> Firing {{Arrays.asList(1, 4, 9, 16)}} as an event of type {{List<Integer>}} 
> results in a stack overflow:
> {noformat}
> javax.enterprise.event.ObserverException: Caught Exception while handling 
> event object with type : java.lang.Object
>       at 
> org.apache.webbeans.event.NotificationManager.fireEvent(NotificationManager.java:641)
>       at 
> org.apache.webbeans.container.BeanManagerImpl.fireEvent(BeanManagerImpl.java:481)
>       at 
> org.apache.webbeans.container.BeanManagerImpl.fireEvent(BeanManagerImpl.java:466)
>       at 
> org.apache.webbeans.container.BeanManagerImpl.fireEvent(BeanManagerImpl.java:456)
>       at 
> org.apache.webbeans.lifecycle.StandaloneLifeCycle.afterStartApplication(StandaloneLifeCycle.java:62)
>       at 
> org.apache.webbeans.lifecycle.AbstractLifeCycle.bootstrapApplication(AbstractLifeCycle.java:141)
>       at 
> org.apache.webbeans.lifecycle.AbstractLifeCycle.startApplication(AbstractLifeCycle.java:104)
>       at 
> org.apache.deltaspike.cdise.owb.OpenWebBeansContainerControl.boot(OpenWebBeansContainerControl.java:68)
>       at 
> demo.LifecycleEventTest.shouldNotFireInitializedTwice(LifecycleEventTest.java:34)
>       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>       at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>       at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>       at java.lang.reflect.Method.invoke(Method.java:497)
>       at 
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
>       at 
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
>       at 
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
>       at 
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
>       at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
>       at 
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
>       at 
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
>       at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
>       at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
>       at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
>       at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
>       at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
>       at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
>       at 
> org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
>       at 
> org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
>       at 
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
>       at 
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675)
>       at 
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
>       at 
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)
> Caused by: org.apache.webbeans.exception.WebBeansException: 
> java.lang.reflect.InvocationTargetException
>       at 
> org.apache.webbeans.event.ObserverMethodImpl.notify(ObserverMethodImpl.java:314)
>       at 
> org.apache.webbeans.event.NotificationManager.fireEvent(NotificationManager.java:610)
>       ... 31 more
> Caused by: java.lang.reflect.InvocationTargetException
>       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>       at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>       at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>       at java.lang.reflect.Method.invoke(Method.java:497)
>       at 
> org.apache.webbeans.event.ObserverMethodImpl.invoke(ObserverMethodImpl.java:343)
>       at 
> org.apache.webbeans.event.ObserverMethodImpl.notify(ObserverMethodImpl.java:308)
>       ... 32 more
> Caused by: java.lang.StackOverflowError
>       at java.lang.Class.getInterfaces(Class.java:845)
>       at 
> org.apache.webbeans.util.GenericsUtil.getDirectSubclass(GenericsUtil.java:1000)
>       at 
> org.apache.webbeans.util.GenericsUtil.getDirectSubclass(GenericsUtil.java:1011)
>       at 
> org.apache.webbeans.util.GenericsUtil.getDirectSubclass(GenericsUtil.java:1011)
>       at 
> org.apache.webbeans.util.GenericsUtil.getDirectSubclass(GenericsUtil.java:1011)
>       at 
> org.apache.webbeans.util.GenericsUtil.getDirectSubclass(GenericsUtil.java:1011)
> {noformat}
> To reproduce, take the test case attached to OWB-1065 and uncomment a line in 
> the {{Sender}} class:
> {code}
>     public void onInitialized(@Observes @Initialized(ApplicationScoped.class) 
> Object object) {
>         List<Integer> list = new ArrayList<>(Arrays.asList(1, 4, 9, 16));
>         list = Arrays.asList(1, 4, 9, 16);
>         event.fire(list);
>     }
> {code}



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