ActiveMQ RA serialization issue on Glassfish
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Key: AMQ-765
URL: https://issues.apache.org/activemq/browse/AMQ-765
Project: ActiveMQ
Type: Bug
Components: Connector
Versions: 4.0.1, 4.0
Environment: Glassfish
Reporter: Chris Conrad
I've been trying to work through an issue with a NullPointerException run using
the JCA 1.5 resource adapter on Glassfish. In the course of debugging, Siva
from the Glassfish team provided this information:
"Thanks for trying out GlassFish. Since I have only the trace snippet above, I
tried to debug this problem by going through ActiveMQ RA's source available at
https://svn.apache.org/repos/asf/incubator/activemq/trunk/activemq-ra/src/main/java/org/apache/activemq/ra/
This is what I understand happens. Please correct me if there are errors. When
ActiveMQConnectionFactory
[https://svn.apache.org/repos/asf/incubator/activemq/trunk/activemq-ra/src/main/java/org/apache/activemq/ra/ActiveMQConnectionFactory.java]
is created at the createConnectionFactory method of
https://svn.apache.org/repos/asf/incubator/activemq/trunk/activemq-ra/src/main/java/org/apache/activemq/ra/ActiveMQManagedConnectionFactory.java,
the ConnectionManager is initialized to a *transient* variable "manager".
Since ConnectionFactory instances can be serialized/deserialized while
publishing to JNDI (as is the case in Project GlassFish), the connectionManager
reference is lost and hence the NPE. The fix ideally should be in the
ActiveMQRA's code. You could copy me [sivakumart AT sun DOT com] while you are
discussing this with ActiveMQ, if you wish. If you still have any issues,
please provide a copy of your domain.xml [connector connection pool, resource
configuratin information] and the entire trace in server.log."
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