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From "Alex Rudyy (JIRA)" <j...@apache.org>
Subject [jira] [Created] (QPID-7192) [Java Broker] BDB HA Virtual Host Node does not restart successfully if JE environment has locally committed transactions requiring rollback
Date Fri, 08 Apr 2016 12:23:25 GMT
Alex Rudyy created QPID-7192:
--------------------------------

             Summary: [Java Broker] BDB HA Virtual Host Node does not restart successfully
if JE environment has locally committed transactions requiring rollback
                 Key: QPID-7192
                 URL: https://issues.apache.org/jira/browse/QPID-7192
             Project: Qpid
          Issue Type: Bug
          Components: Java Broker
    Affects Versions: qpid-java-6.0, qpid-java-6.1
            Reporter: Alex Rudyy


Start-up of BDB HA VHN fails in following scenario:
1) BDB HA VHN is stopped in MASTER role with the transactions committed only locally requiring
rollback on next restart
2) Anew election is hold and new Master is elected by remaining group members
3) The node is activated after that. Local transactions are rolled back and JE Environment
is restarting. During activation BDB HA VHN calls JE environment to get nodes in order to
verify permitted nodes but that call fails as environment is restarting. ConnectionScopedRuntimeException
is reported to the user and  BDB HA VHN  activation fails with setting state to ERROR. The
environment restarts successfully but BDB HA VHN does not hear that as state change listener
is not registered. The manual restart is required to recover.

An exception is reported like the one below:
{noformat}
org.apache.qpid.server.util.ConnectionScopedRuntimeException: Environment is restarting
        at org.apache.qpid.server.store.berkeleydb.replication.ReplicatedEnvironmentFacade.getEnvironment(ReplicatedEnvironmentFacade.java:1342)
~[qpid-bdbstore-6.1.0-SNAPSHOT.jar:6.1.0-SNAPSHOT]
        at org.apache.qpid.server.store.berkeleydb.replication.ReplicatedEnvironmentFacade.getNodes(ReplicatedEnvironmentFacade.java:965)
~[qpid-bdbstore-6.1.0-SNAPSHOT.jar:6.1.0-SNAPSHOT]
        at org.apache.qpid.server.virtualhostnode.berkeleydb.BDBHAVirtualHostNodeImpl.activate(BDBHAVirtualHostNodeImpl.java:361)
~[qpid-bdbstore-6.1.0-SNAPSHOT.jar:6.1.0-SNAPSHOT]
        at org.apache.qpid.server.virtualhostnode.AbstractVirtualHostNode.doActivate(AbstractVirtualHostNode.java:160)
~[qpid-broker-core-6.1.0-SNAPSHOT.jar:6.1.0-SNAPSHOT]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.7.0_80]
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) ~[na:1.7.0_80]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
~[na:1.7.0_80]
        at java.lang.reflect.Method.invoke(Method.java:606) ~[na:1.7.0_80]
        at org.apache.qpid.server.model.AbstractConfiguredObject.attainState(AbstractConfiguredObject.java:1308)
~[qpid-broker-core-6.1.0-SNAPSHOT.jar:6.1.0-SNAPSHOT]
        at org.apache.qpid.server.model.AbstractConfiguredObject.attainState(AbstractConfiguredObject.java:1287)
~[qpid-broker-core-6.1.0-SNAPSHOT.jar:6.1.0-SNAPSHOT]
        at org.apache.qpid.server.model.AbstractConfiguredObject.attainStateIfOpenedOrReopenFailed(AbstractConfiguredObject.java:1271)
~[qpid-broker-core-6.1.0-SNAPSHOT.jar:6.1.0-SNAPSHOT]
        at org.apache.qpid.server.model.AbstractConfiguredObject.access$1700(AbstractConfiguredObject.java:80)
~[qpid-broker-core-6.1.0-SNAPSHOT.jar:6.1.0-SNAPSHOT]
        at org.apache.qpid.server.model.AbstractConfiguredObject$15.execute(AbstractConfiguredObject.java:1519)
~[qpid-broker-core-6.1.0-SNAPSHOT.jar:6.1.0-SNAPSHOT]
        at org.apache.qpid.server.model.AbstractConfiguredObject$15.execute(AbstractConfiguredObject.java:1455)
~[qpid-broker-core-6.1.0-SNAPSHOT.jar:6.1.0-SNAPSHOT]
        at org.apache.qpid.server.model.AbstractConfiguredObject$2.execute(AbstractConfiguredObject.java:561)
~[qpid-broker-core-6.1.0-SNAPSHOT.jar:6.1.0-SNAPSHOT]
        at org.apache.qpid.server.model.AbstractConfiguredObject$2.execute(AbstractConfiguredObject.java:554)
~[qpid-broker-core-6.1.0-SNAPSHOT.jar:6.1.0-SNAPSHOT]
        at org.apache.qpid.server.configuration.updater.TaskExecutorImpl$TaskLoggingWrapper.execute(TaskExecutorImpl.java:270)
~[qpid-broker-core-6.1.0-SNAPSHOT.jar:6.1.0-SNAPSHOT]
        at org.apache.qpid.server.configuration.updater.TaskExecutorImpl$CallableWrapper$1.run(TaskExecutorImpl.java:342)
~[qpid-broker-core-6.1.0-SNAPSHOT.jar:6.1.0-SNAPSHOT]
        at java.security.AccessController.doPrivileged(Native Method) ~[na:1.7.0_80]
        at javax.security.auth.Subject.doAs(Subject.java:356) ~[na:1.7.0_80]
        at org.apache.qpid.server.configuration.updater.TaskExecutorImpl$CallableWrapper.call(TaskExecutorImpl.java:335)
~[qpid-broker-core-6.1.0-SNAPSHOT.jar:6.1.0-SNAPSHOT]
        at java.util.concurrent.FutureTask.run(FutureTask.java:262) ~[na:1.7.0_80]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
~[na:1.7.0_80]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
~[na:1.7.0_80]
        at java.lang.Thread.run(Thread.java:745) [na:1.7.0_80]
{noformat}

Test MultiNodeTest.testInFlightTransactionsWhilstMajorityIsLost sporadically fails because
of this issue.

If issue occur in production on Broker or VHN startup an operator intervention would be required.
Affected VHN needs to be restarted manually either using REST API or Web Management Console.



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