[jboss-jira] [JBoss JIRA] Commented: (JBAOP-725) NPE in AOPClassLoaderInitializer

[Kabir Khan (JIRA)]

    [ https://jira.jboss.org/jira/browse/JBAOP-725?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12464658#action_12464658 ] 

Kabir Khan commented on JBAOP-725:
----------------------------------

This is in Jesper's jca setup. 
--------
   <bean name="AspectManager" class="org.jboss.aop.deployers.AspectManagerJDK5">
      <constructor>
         <parameter><![CDATA[
	         <aop>
		</aop>]]>
	      </parameter>
      </constructor>

      <property name="jbossIntegration"><inject bean="AOPJBossIntegration"/></property>

      <property name="enableLoadtimeWeaving">false</property>
      <!-- only relevant when EnableLoadtimeWeaving is true.
           When transformer is on, every loaded class gets
           transformed.  If AOP can't find the class, then it
           throws an exception.  Sometimes, classes may not have
           all the classes they reference.  So, the Suppressing
           is needed.  (i.e. Jboss cache in the default configuration -->
      <property name="suppressTransformationErrors">true</property>
      <property name="prune">true</property>
      <property name="include">org.jboss.test., org.jboss.injbossaop.</property>
      <property name="exclude">org.jboss.</property>
      <!-- This avoids instrumentation of hibernate cglib enhanced proxies
      <property name="ignore">*$$EnhancerByCGLIB$$*</property> -->
      <property name="optimized">true</property>
      <property name="verbose">false</property>
      <!--
         Available choices for this attribute are:
            org.jboss.aop.instrument.ClassicInstrumentor (default)
            org.jboss.aop.instrument.GeneratedAdvisorInstrumentor
       <property name="instrumentor">org.jboss.aop.instrument.ClassicInstrumentor</property>
      -->
	  <!-- 
		By default the deployment of the aspects contained in 
		../deployers/jboss-aop-jboss5.deployer/base-aspects.xml
		are not deployed. To turn on deployment uncomment this property
	  <property name="useBaseXml">true</property>
	  -->
   </bean>


   <bean name="AOPXMLMetaDataParserDeployer" class="org.jboss.deployers.vfs.spi.deployer.SchemaResolverDeployer">
      <constructor>
         <parameter>org.jboss.aop.microcontainer.beans.metadata.AOPDeployment</parameter>
      </constructor>
      <property name="suffix">-aop.xml</property>
   </bean>
   <bean name="AOPAnnotationMetaDataParserDeployer" class="org.jboss.aop.asintegration.jboss5.AOPAnnotationMetaDataParserDeployer">
      <constructor>
         <parameter><inject bean="AOPXMLMetaDataParserDeployer" property="relativeOrder"/></parameter>
      </constructor>
   </bean>
   <bean name="AOPClassLoaderDeployer" class="org.jboss.aop.asintegration.jboss5.AOPClassLoaderDeployer">
      <property name="aspectManager"><inject bean="AspectManager" property="aspectManager"/></property>
   </bean>
   <bean name="AOPDeploymentAopMetaDataDeployer" class="org.jboss.aop.asintegration.jboss5.AOPDeploymentAopMetaDataDeployer">
      <property name="kernel"><inject bean="jboss.kernel:service=Kernel"/></property>
      <property name="aspectManager"><inject bean="AspectManager" property="aspectManager"/></property>
   </bean>
   <bean name="BeansDeploymentAopMetaDataDeployer" class="org.jboss.aop.asintegration.jboss5.BeansDeploymentAopMetaDataDeployer">
      <property name="kernel"><inject bean="jboss.kernel:service=Kernel"/></property>
      <property name="aspectManager"><inject bean="AspectManager" property="aspectManager"/></property>
   </bean>
--------
At runtime it seems that AOPClassLoaderDeployer gets injected with a null aspectManager from AOPClassLoaderDeployer. Internally that calls AspectManager.getTopLevelAspectManager() which is what returns null

> NPE in AOPClassLoaderInitializer
> --------------------------------
>
>                 Key: JBAOP-725
>                 URL: https://jira.jboss.org/jira/browse/JBAOP-725
>             Project: JBoss AOP
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>    Affects Versions: 2.1.0.GA
>            Reporter: Jesper Pedersen
>
> java.lang.NullPointerException
>         at org.jboss.aop.asintegration.jboss5.AOPClassLoaderInitializer.unregisterLoaders(AOPClassLoaderInitializer.java:54)
>         at org.jboss.aop.asintegration.jboss5.AOPClassLoaderDeployer.internalUndeploy(AOPClassLoaderDeployer.java:77)
>         at org.jboss.deployers.spi.deployer.helpers.AbstractRealDeployer.undeploy(AbstractRealDeployer.java:112)
>         at org.jboss.deployers.plugins.deployers.DeployerWrapper.undeploy(DeployerWrapper.java:196)
>         at org.jboss.deployers.plugins.deployers.DeployersImpl.doUndeploy(DeployersImpl.java:1469)
>         at org.jboss.deployers.plugins.deployers.DeployersImpl.doUninstallParentLast(DeployersImpl.java:1376)
>         at org.jboss.deployers.plugins.deployers.DeployersImpl.uninstall(DeployersImpl.java:1331)
>         at org.jboss.dependency.plugins.AbstractControllerContext.uninstall(AbstractControllerContext.java:354)
>         at org.jboss.dependency.plugins.AbstractController.uninstall(AbstractController.java:1664)
>         at org.jboss.dependency.plugins.AbstractController.uninstallContext(AbstractController.java:1275)
>         at org.jboss.dependency.plugins.AbstractController.uninstallContext(AbstractController.java:1179)
>         at org.jboss.dependency.plugins.AbstractController.uninstall(AbstractController.java:655)
>         at org.jboss.dependency.plugins.AbstractController.uninstall(AbstractController.java:568)
>         at org.jboss.dependency.plugins.AbstractController.shutdown(AbstractController.java:216)
>         at org.jboss.bootstrap.microcontainer.ServerImpl.doShutdown(ServerImpl.java:213)
>         at org.jboss.bootstrap.AbstractServerImpl.shutdownServer(AbstractServerImpl.java:589)
>         at org.jboss.bootstrap.AbstractServerImpl$ShutdownHook.run(AbstractServerImpl.java:909)

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