I have a simple webapp that makes use of only the TX Apsect libraries for demarcation.
I am using both the Annotation compiler and the AOPC compilier, packaging up the
results in a WAR, and deploying to a JBoss 4.0 server. I have upgraded to FINAL code.
My issues is that on startup, or first deployment of my WAR file, my code, and the TX
interceptors work great. However, once I redploy my WAR file, I get a
NullPointerException in my original method signature (which is now the new interceptor
method).
So, if I have a method called saveOrganization() that has been intercepted, after a
redployment, I will get the following stacktrace:
| 2:34:39,168 ERROR [org.osn.jext.framework.util.RequestInterceptor:124]
java.lang.NullPointerException
| at
org.osn.homefront.app.service.HomefrontService.saveOrganization(HomefrontService.java)
| at org.osn.homefront.app.OrgSignUp2.submit(OrgSignUp2.java:559)
| at org.osn.homefront.app.OrgSignUp2.pageMain(OrgSignUp2.java:63)
| at org.osn.jext.framework.JSPPageContent.runPageMain(JSPPageContent.java:45)
|
As you can see, the line number is missing for where the NPE happens at, since it is
the new instumented code.
For shits & giggles, I decompiled that method and here is the code:
| public void saveOrganization(Organization organization)
| throws PersistenceException, BusinessValidationException
| {
| if(((Advisor) (aop$classAdvisor$aop)).doesHaveAspects || _instanceAdvisor
!= null && _instanceAdvisor.hasInstanceAspects)
| {
| org.jboss.aop.advice.Interceptor ainterceptor[] =
aop$MethodInfo_saveOrganization5875559486684723374.interceptors;
| if(_instanceAdvisor != null)
| ainterceptor =
_instanceAdvisor.getInterceptors(aop$MethodInfo_saveOrganization5875559486684723374.interceptors);
|
HomefrontService_saveOrganization_5875559486684723374_OptimizedMethodInvocation
homefrontservice_saveorganization_5875559486684723374_optimizedmethodinvocation =
| new
HomefrontService_saveOrganization_5875559486684723374_OptimizedMethodInvocation(aop$MethodInfo_saveOrganization5875559486684723374,
ainterceptor);
|
homefrontservice_saveorganization_5875559486684723374_optimizedmethodinvocation.arg0 =
organization;
|
homefrontservice_saveorganization_5875559486684723374_optimizedmethodinvocation.setTargetObject(this);
|
homefrontservice_saveorganization_5875559486684723374_optimizedmethodinvocation.typedTargetObject
= this;
|
homefrontservice_saveorganization_5875559486684723374_optimizedmethodinvocation.setAdvisor(aop$classAdvisor$aop);
|
homefrontservice_saveorganization_5875559486684723374_optimizedmethodinvocation.invokeNext();
| } else
| {
|
org$osn$homefront$app$service$HomefrontService$saveOrganization$aop(organization);
| }
| }
|
Now, looking at that, I am not sure exactly where the NPE would be happening at, but
the first suspect to me is the aop$classAdvisor$aop variable, since it is static. I
wonder if it is getting blown away on the redploy and not set back up properly, since
the static constructor might not get ran again?
Thoughts?
View the original post :
http://www.jboss.org/index.html?module=bb&op=viewtopic&p=3853927#3853927
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http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=3853927
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