How To Get Rid Of: cannot be cast to com.sun.messaging.jms.ra.DirectPacket in Glassfish V2.X

If you are running Glassfish and using JMS (e.g. a Message Driven Bean), you probably saw already the following error in the log files: DirectConsumer:Caught Exception delivering cannot be cast to com.sun.messaging.jms.ra.DirectPacket.

The error is caused by directly embedding the JMS-Host into Glassfish v2 - it can be easily fixed in the admin console:


  1. Open the admin console: http://localhost:4848
  2. Select: Configuration -> Java Message Service node in the tree on the left side.
  3. Change the type from "Embedded" into "Local". The doc says:
    "Choose LOCAL (the default for the server-config configuration) to access the JMS service on the local host. The JMS service is started and managed by the Application Server."
  4. Restart Glassfish
This will cause the runtime to run out-of-process locally, and not in embedded mode. This fixes the classpath problem.

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Thanks, Adam,
I've just stepped into this trap!

Posted by Bernd Zimmermann on June 10, 2008 at 02:17 PM CEST #

Running Glassfish on UBUNTU Linux (probably on other distributions too) I had to do a little more to get type "LOCAL" broker running.

in <glassfish_home>/imq/etc/imqenv.con I found these lines causing problems when GF wants to start the broker:

set IMQ_DEFAULT_JAVAHOME=/usr/lib/jvm/java-6-sun
set IMQ_DEFAULT_VARHOME=/home/bernd/glassfish-v2ur2/domains/domain1/imq

Here 'set' is the problem - because it is not Linux bash compatible.

After removing 'set' the environment vars got assigned as supposed and GF starts without complaining about port 7676 connections.


Posted by Bernd Zimmermann on June 10, 2008 at 10:51 PM CEST #

No more warnings now. Thanx for the tip.

Posted by Bogdan on December 12, 2008 at 01:46 PM CET #

Thanks alot ! I experienced the same problem, do a quick search and found this articles. Problemo solved

Posted by Fikri on December 14, 2008 at 08:02 AM CET #

Danke schön


Posted by Hank Burkhalter on March 04, 2009 at 03:30 AM CET #

Thanks alot, it helped!

Posted by on May 07, 2009 at 12:18 PM CEST #

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