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From "Dag H. Wanvik (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DERBY-4269) Failover did not succeed in 2 min.: testReplication_Local_3_p6_autocommit_OK
Date Tue, 29 May 2012 23:11:23 GMT

    [ https://issues.apache.org/jira/browse/DERBY-4269?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13285246#comment-13285246
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Dag H. Wanvik commented on DERBY-4269:
--------------------------------------

Saw this again: http://dbtg.foundry.sun.com/derby/test/Daily/jvm1.5/testing/testlog/lin/1343305-suitesAll_diff.txt

A bit more of the stack shows the error cause is 
DERBY SQL error: SQLCODE: -1, SQLSTATE: 08004, SQLERRMC: Connection refused to database '/export/home/tmp/jagtmp/autoderbyN_derbyall/suitesAll_1/log/db_slave/wombat'
because it is in replication slave mode.

Looking in the master's derby.log I see these two lines:

Tue May 29 04:40:11 CEST 2012 Thread[DRDAConnThread_3,5,main] Cleanup action starting
ERROR XRE20: Failover performed successfully for database '/export/home/tmp/jagtmp/autoderbyN_derbyall/suitesAll_1/log/db_master/wombat',
the database has been shutdown.

note the time: 04:40:11. In the client's derby.log I see:

Tue May 29 04:40:12 CEST 2012 Thread[DRDAConnThread_3,5,main] (DATABASE = /export/home/tmp/jagtmp/autoderbyN_derbyall/suitesAll_1/log/db_slave/wombat),
(DRDAID = {5}), Connection refused to database '/export/home/tmp/jagtmp/autoderbyN_derbyall/suitesAll_1/log/db_slave/wombat'
because it is in replication slave mode.
Tue May 29 04:40:12 CEST 2012 Thread[DRDAConnThread_3,5,main] Cleanup action starting
java.sql.SQLException: Connection refused to database '/export/home/tmp/jagtmp/autoderbyN_derbyall/suitesAll_1/log/db_slave/wombat'
because it is in replication slave mode.

so I wonder if this can be a simple race. In the test, the call to connectPing happens directly
after the call to failOver, and I cannot see any provision for waiting and/or trying until
it succeeds.


                
> Failover did not succeed in 2 min.: testReplication_Local_3_p6_autocommit_OK
> ----------------------------------------------------------------------------
>
>                 Key: DERBY-4269
>                 URL: https://issues.apache.org/jira/browse/DERBY-4269
>             Project: Derby
>          Issue Type: Bug
>          Components: Replication
>    Affects Versions: 10.6.1.0
>         Environment: OS:
> Microsoft© Windows VistaT Ultimate - 6.0.6001 Service Pack 1 - WindowsNT 0 6
> JVM:
> Sun Microsystems Inc. 
> java version "1.4.2_16"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_16-b05)
> Java HotSpot(TM) Client VM (build 1.4.2_16-b05 mixed mode 32-bit)
>            Reporter: Ole Solberg
>            Priority: Minor
>              Labels: derby_triage10_5_2
>
> Failover did not succeed.
> 2) testReplication_Local_3_p6_autocommit_OK(org.apache.derbyTesting.functionTests.tests.replicationTests.ReplicationRun_Local_3_p6)junit.framework.AssertionFailedError:
Failover did not succeed.
> 	at org.apache.derbyTesting.functionTests.tests.replicationTests.ReplicationRun.connectPing(ReplicationRun.java:270)
> 	at org.apache.derbyTesting.functionTests.tests.replicationTests.ReplicationRun_Local_3_p6.derby_3896(ReplicationRun_Local_3_p6.java:200)
> 	at org.apache.derbyTesting.functionTests.tests.replicationTests.ReplicationRun_Local_3_p6.testReplication_Local_3_p6_autocommit_OK(ReplicationRun_Local_3_p6.java:86)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at org.apache.derbyTesting.junit.BaseTestCase.runBare(BaseTestCase.java:106)
> 	at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
> 	at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
> 	at junit.extensions.TestSetup.run(TestSetup.java:25)
> See http://dbtg.thresher.com/derby/test/Daily/jvm1.4/testing/testlog/vista-64/782274-suitesAll_diff.txt

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