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  1. WildFly Core
  2. WFCORE-4901

TCCL not set to application classloader when MBean Notification is invoked

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    • Bug
    • Resolution: Done
    • Major
    • 12.0.0.Beta2, 12.0.0.Final
    • None
    • None
    • None
    • 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
    • Hide

      Manually set the TCCL before invoking the method.

      private void invoke() {
      ClassLoader previous = null;
      try

      Unknown macro: { 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

      Unknown macro: { // reset the TCCL Thread.currentThread().setContextClassLoader(previous); }
      Show
      Manually set the TCCL before invoking the method. private void invoke() { ClassLoader previous = null; try Unknown macro: { 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 Unknown macro: { // reset the TCCL Thread.currentThread().setContextClassLoader(previous); }

    Description

      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

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          Bug - A problem that impairs or prevents the functions of the product. JBEAP-18689 [GSS](7.3.z) TCCL not set to application classloader when MBean Notification is invoked

          • Major - To be worked after higher priority work items are addressed. When the severity is high and the effort to change it is low to moderate, this term is chosen. Issues in this category likely have an existing workaround but implementation or execution may be non-trivial.
          • Verified

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              mshikalw Moulali Shikalwadi
              mshikalw Moulali Shikalwadi
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                Created:
                Updated:
                Resolved: