[jira] [Created] (QPID-6960) BDB HA limits message size to je.rep.maxMessageSize (which was inadvertently lower by in qpid-java-6.0)

["Keith Wall (JIRA)" <ji...@apache.org>]

Keith Wall created QPID-6960:
--------------------------------

             Summary: BDB HA limits message size to je.rep.maxMessageSize (which was inadvertently lower by in qpid-java-6.0)
                 Key: QPID-6960
                 URL: https://issues.apache.org/jira/browse/QPID-6960
             Project: Qpid
          Issue Type: Bug
          Components: Java Broker
    Affects Versions: qpid-java-6.0, 0.32, 0.30
            Reporter: Keith Wall


If I create a Java Broker BDB HA group and publish a message whose payload + overhead exceeds  {{je.rep.maxMessageSize}}, the replicas log the following exception.  On qpid-java-v6.0, the replica doesn't fail but instead slowly spins, seemingly continually retrying repeating the same log message.

{{je.rep.maxMessageSize}} is not overridden by Qpid, so it takes its default value 0.  0 is interpreted by JE to mean {{je.maxMemory /2}}.  QPID-6751 reduced the size of {{je.maxMemory}} from 5% of JVM's heap to 2%.  This means that in qpid-java-v6.0, the default maximum message size will be inadvertently default JVM heap size (0.5GB * 2%) = 10MB. 

Users can work around this issue by raising {{je.rep.maxMessageSize}}.  This can be done from the Java Broker command line (-prop), or from QPID_OPTS environment variable.


{noformat}
 com.sleepycat.je.EnvironmentFailureException: (JE 5.0.104) Message op: Entry Body size: 32557779 is too large.  maxSizeAllowed: 21126184
If a larger value is needed, set the 'je.rep.maxMessageSize' parameter. UNEXPECTED_STATE: Unexpected internal state, may have side effects.
                at com.sleepycat.je.EnvironmentFailureException.unexpectedState(EnvironmentFailureException.java:426)
                at com.sleepycat.je.rep.utilint.BinaryProtocol.read(BinaryProtocol.java:469)
                at com.sleepycat.je.rep.impl.node.Replica.doRunReplicaLoopInternalWork(Replica.java:466)
                at com.sleepycat.je.rep.impl.node.Replica.runReplicaLoopInternal(Replica.java:397)
                at com.sleepycat.je.rep.impl.node.Replica.runReplicaLoop(Replica.java:332)
                at com.sleepycat.je.rep.impl.node.RepNode.run(RepNode.java:1506)
{noformat}




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