gistfile1.txt

   public Thread newThread(final Runnable command)
   {

      // attach the thread to a group only if there is no security manager:
      // when sandboxed, the code does not have the RuntimePermission modifyThreadGroup

      final Thread t = (Thread)AccessController.doPrivileged(new PrivilegedAction<Object>()
                                    {
                                       public Object run()
                                       {
                                          Thread t;
                                          if (System.getSecurityManager() == null)
                                          {
                                             t = new Thread(group, command, "Thread-" + threadCount.getAndIncrement() + " (" + group.getName() + ")");
                                          }
                                          else
                                          {
                                             t = new Thread(command, "Thread-" + threadCount.getAndIncrement());
                                          }
                                          return t;
                                       }
                                    });

      AccessController.doPrivileged(new PrivilegedAction<Object>()
      {
         public Object run()
         {
            t.setDaemon(daemon);
            t.setPriority(threadPriority);
            return null;
         }
      });

      try
      {
         AccessController.doPrivileged(new PrivilegedAction<Object>()
         {
            public Object run()
            {
               t.setContextClassLoader(tccl);
               return null;
            }
         });
      }
      catch (java.security.AccessControlException e)
      {
         HornetQUtilLogger.LOGGER.missingPrivsForClassloader();
      }

      return t;
   }