Keith Wall created QPID-7080:
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Summary: MultiNodeTest#testQuorumOverride may fail sporadically
Key: QPID-7080
URL: https://issues.apache.org/jira/browse/QPID-7080
Project: Qpid
Issue Type: Bug
Components: Java Broker, Java Tests
Reporter: Keith Wall
Priority: Minor
Tes MultiNodeTest#testQuorumOverride is racey. The test verifies the
behaviour of a group when all the replicas are killed and quorum override is
applied to allow the master to continue in isolation.
The test currently assumes that failover doesn't occur. This is wrong,
failover may occur is the master discovers itself alone before the quorum
override is applied. This discovery is asynchronous. The test cannot predict
if failover will occur of not.
In the unlucky case where failure occurs, the the failover happens whilst the
test is committing a transaction. The transaction will correctly. The test
does include code to retry failed transactions.
Error Message
Session exception occurred while trying to commit: sender for socket
/127.0.0.1:36660-localhost/127.0.0.1:10000 is closed
Stacktrace
javax.jms.JMSException: Session exception occurred while trying to commit:
sender for socket /127.0.0.1:36660-localhost/127.0.0.1:10000 is closed
at
org.apache.qpid.transport.network.io.IoSender.checkNotAlreadyClosed(IoSender.java:377)
at org.apache.qpid.transport.network.io.IoSender.send(IoSender.java:122)
at
org.apache.qpid.client.AMQProtocolHandler.writeFrame(AMQProtocolHandler.java:563)
at
org.apache.qpid.client.AMQSession_0_8.acknowledgeMessage(AMQSession_0_8.java:177)
at
org.apache.qpid.client.AMQSession_0_8.commitImpl(AMQSession_0_8.java:271)
at org.apache.qpid.client.AMQSession.commit(AMQSession.java:866)
at
org.apache.qpid.test.utils.QpidBrokerTestCase.assertProducingConsuming(QpidBrokerTestCase.java:1265)
at
org.apache.qpid.server.store.berkeleydb.replication.MultiNodeTest.testQuorumOverride(MultiNodeTest.java:483)
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