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  1. JBoss Enterprise Application Platform
  2. JBEAP-18689

[GSS](7.3.z) TCCL not set to application classloader when MBean Notification is invoked

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    • +
    • Workaround Exists
    • Hide

      Manually set the TCCL before invoking the method.

      private void invoke() {
      ClassLoader previous = null;
      try {
          previous = Thread.currentThread().getContextClassLoader();
          Thread.currentThread().setContextClassLoader(this.getClass().getClassLoader());
          Context ctx = getInitialContext("localhost", 8080, ...);
          // look up and invoke remote ejb that uses WildflyInitialContextFactory
        } finally {
          // reset the TCCL
          Thread.currentThread().setContextClassLoader(previous);
       }
      Show
      Manually set the TCCL before invoking the method. private void invoke() { ClassLoader previous = null ; try { previous = Thread .currentThread().getContextClassLoader(); Thread .currentThread().setContextClassLoader( this .getClass().getClassLoader()); Context ctx = getInitialContext( "localhost" , 8080, ...); // look up and invoke remote ejb that uses WildflyInitialContextFactory } finally { // reset the TCCL Thread .currentThread().setContextClassLoader(previous); }
    • Hide

      deploy remote.jar or callback.war
      start JBoss
      It will log ClassNotFound

      start JBoss with -Dworkaround and it will enable the workaround and not throw the exception

      Show
      deploy remote.jar or callback.war start JBoss It will log ClassNotFound start JBoss with -Dworkaround and it will enable the workaround and not throw the exception

      TCCL not set to application classloader when MBean Notification is invoked
      If an application registers an MBean notification and it receives a notification, the Thread Context ClassLoader is not set to the application, this causes ClassNotFound exceptions on classes that are in the application's classpath.

      javax.naming.NamingException: WFLYNAM0027: Failed instantiate InitialContextFactory org.wildfly.naming.client.WildFlyInitialContextFactory from classloader ModuleClassLoader for Module "org.jboss.as.server" version 6.0.21.Final-redhat-00001 from local module loader @dfd3711 (finder: local module finder @42d3bd8b (roots: /tmp/jboss-eap-7.2/modules,/tmp/jboss-eap-7.2/modules/system/layers/base)) [Root exception is java.lang.ClassNotFoundException: org.wildfly.naming.client.WildFlyInitialContextFactory from [Module "org.jboss.as.server" version 6.0.21.Final-redhat-00001 from local module loader @dfd3711 (finder: local module finder @42d3bd8b (roots: /tmp/jboss-eap-7.2/modules,/tmp/jboss-eap-7.2/modules/system/layers/base))]]
	at org.jboss.as.naming.InitialContext.getDefaultInitCtx(InitialContext.java:120)
	at org.jboss.as.naming.InitialContext.init(InitialContext.java:101)
	at javax.naming.ldap.InitialLdapContext.<init>(InitialLdapContext.java:154)
	at org.jboss.as.naming.InitialContext.<init>(InitialContext.java:91)
	at org.jboss.as.naming.InitialContextFactory.getInitialContext(InitialContextFactory.java:43)
	at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:684)
	at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:313)
	at javax.naming.InitialContext.init(InitialContext.java:244)
	at javax.naming.InitialContext.<init>(InitialContext.java:216)
	at test.Client.getInitialContext(Client.java:66)
	at test.Client.invoke(Client.java:44)
	at test.Client.handleNotification(Client.java:117)
	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor$ListenerWrapper.handleNotification(DefaultMBeanServerInterceptor.java:1754)
	at javax.management.NotificationBroadcasterSupport.handleNotification(NotificationBroadcasterSupport.java:275)
	at javax.management.NotificationBroadcasterSupport$SendNotifJob.run(NotificationBroadcasterSupport.java:352)
	at javax.management.NotificationBroadcasterSupport$1.execute(NotificationBroadcasterSupport.java:337)
	at javax.management.NotificationBroadcasterSupport.sendNotification(NotificationBroadcasterSupport.java:248)
	at javax.management.MBeanServerDelegate.sendNotification(MBeanServerDelegate.java:209)
	at org.jboss.as.jmx.model.ModelControllerMBeanServerPlugin$ResourceRegistrationNotificationHandler.handleNotification(ModelControllerMBeanServerPlugin.java:431)
	at org.jboss.as.controller.notification.NotificationSupports.fireNotifications(NotificationSupports.java:126)
	at org.jboss.as.controller.notification.NotificationSupports.access$000(NotificationSupports.java:47)
	at org.jboss.as.controller.notification.NotificationSupports$NonBlockingNotificationSupport$1.run(NotificationSupports.java:105)
	at org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)
	at org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1985)
	at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1487)
	at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1378)
	at java.lang.Thread.run(Thread.java:748)
	at org.jboss.threads.JBossThread.run(JBossThread.java:485)
Caused by: java.lang.ClassNotFoundException: org.wildfly.naming.client.WildFlyInitialContextFactory from [Module "org.jboss.as.server" version 6.0.21.Final-redhat-00001 from local module loader @dfd3711 (finder: local module finder @42d3bd8b (roots: /tmp/jboss-eap-7.2/modules,/tmp/jboss-eap-7.2/modules/system/layers/base))]
	at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:255)
	at org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:410)
	at org.jboss.modules.ConcurrentClassLoader.performLoadClass(ConcurrentClassLoader.java:398)
	at org.jboss.modules.ConcurrentClassLoader.loadClass(ConcurrentClassLoader.java:116)
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Class.java:348)
	at org.jboss.as.naming.InitialContext.getDefaultInitCtx(InitialContext.java:115)
	... 27 more

        1. callback.war
          13 kB
        2. remote.jar
          8 kB

              mshikalw Moulali Shikalwadi
              rhn-support-bmaxwell Brad Maxwell
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                Created:
                Updated:
                Resolved: