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From Tamás Kimmel <kumm0...@gmail.com>
Subject session expiration upon undeploy vs. cdi
Date Sun, 26 Feb 2017 11:48:33 GMT
Hi, I'm implementing a custom CDI context storing itself in session.
On session expiration my context should destroy all active contextual
instances.

I've run into an issue after turned off session serialization.
( with a context.xml contains <Manager pathname="" />)

Upon undeploy tomcat expires all sessions ( as it should ), but I get an
exception.
beanManager.getPassivationCapableBean can't find my bean, and it causes an
NPE in deltaspike AbstractContext.destroyBean.
It seems to me application beans are undeployed already when session
expiration event fired. I've found even my context is lost at this point,
beanManager.getContext() fails.

An example project can be found here: https://github.com/kumm/mycdicontext
'mvn test' is green but predestroy don't run ('++ HelloBean preDestroy ++'
should appear in the log), and exception is logged.

Running with -Pwildfly, or -Pglassfish it's working.
Maybe it's something implementation specific and my approach is wrong?

Thanks in advance,
Kimmel Tamás

Stacktrace below:

26-Feb-2017 12:03:28.209 INFO [http-nio-8080-exec-6]
org.apache.openejb.assembler.classic.Assembler.destroyApplication
Undeploying app:
/home/kumm/Workspace/Projects/tomeecditest/target/tomee/wd/0/eb577be1-a135-4f7d-bd6e-01ea88695d21
26-Feb-2017 12:03:28.216 SEVERE [http-nio-8080-exec-6]
org.apache.webbeans.component.AbstractOwbBean.destroy Exception thrown
while destroying bean instance : [StorageRepository, WebBeansType:MANAGED,
Name:null, API
Types:[java.lang.Object,java.io.Serializable,trial.mycontext.MyContext$StorageRepository],
Qualifiers:[javax.enterprise.inject.Default,javax.enterprise.inject.Any]]
 java.lang.NullPointerException
    at
org.apache.deltaspike.core.util.context.AbstractContext.destroyBean(AbstractContext.java:202)
    at
org.apache.deltaspike.core.util.context.AbstractContext.destroyAllActive(AbstractContext.java:195)
    at
trial.mycontext.MyContext$StorageRepository.destroy(MyContext.java:60)
    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.intercept.LifecycleInterceptorInvocationContext.proceed(LifecycleInterceptorInvocationContext.java:103)
    at
org.apache.webbeans.portable.InjectionTargetImpl.preDestroy(InjectionTargetImpl.java:352)
    at
org.apache.webbeans.component.AbstractOwbBean.destroy(AbstractOwbBean.java:179)
    at
org.apache.webbeans.context.AbstractContext.destroyInstance(AbstractContext.java:206)
    at
org.apache.webbeans.context.AbstractContext.destroyInstance(AbstractContext.java:192)
    at
org.apache.webbeans.context.AbstractContext.destroy(AbstractContext.java:218)
    at
org.apache.webbeans.web.context.WebContextsService.destroySessionContext(WebContextsService.java:547)
    at
org.apache.webbeans.web.context.WebContextsService.endContext(WebContextsService.java:227)
    at
org.apache.openejb.server.httpd.BeginWebBeansListener.sessionDestroyed(BeginWebBeansListener.java:170)
    at
org.apache.catalina.session.StandardSession.expire(StandardSession.java:824)
    at
org.apache.catalina.session.StandardSession.expire(StandardSession.java:766)
    at
org.apache.catalina.session.StandardManager.stopInternal(StandardManager.java:396)
    at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:226)
    at
org.apache.catalina.core.StandardContext.stopInternal(StandardContext.java:5407)
    at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:226)
    at
org.apache.catalina.core.ContainerBase.removeChild(ContainerBase.java:815)

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