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Date: Wed, 6 May 2009 09:05:30 -0700 (PDT)
From: "Dag H. Wanvik (JIRA)" <jira@apache.org>
To: derby-dev@db.apache.org
Subject: [jira] Commented: (DERBY-4186) After master stop, test fails when
 it succeeds in connecting (rebooting) shut-down ex-slave
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    [ https://issues.apache.org/jira/browse/DERBY-4186?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12706472#action_12706472 ] 

Dag H. Wanvik commented on DERBY-4186:
--------------------------------------

Committed derby-4186-followup as svn 772337.


> After master stop, test fails when it succeeds in connecting (rebooting) shut-down ex-slave
> -------------------------------------------------------------------------------------------
>
>                 Key: DERBY-4186
>                 URL: https://issues.apache.org/jira/browse/DERBY-4186
>             Project: Derby
>          Issue Type: Bug
>          Components: Replication, Test
>    Affects Versions: 10.6.0.0
>            Reporter: Dag H. Wanvik
>            Assignee: Dag H. Wanvik
>         Attachments: bad-slave.txt, derby-4186-2.diff, derby-4186-2.stat, derby-4186-followup.diff, derby-4186-followup.stat, derby-4186.diff, derby-4186.stat, ok-slave.txt
>
>
> Occasionally I see this error in ReplicationRun_Local_3_p3:
> 1) testReplication_Local_3_p3_StateNegativeTests(org.apache.derbyTesting.functionTests.tests.replicationTests.ReplicationRun_Local_3_p3)junit.framework.AssertionFailedError: Expected SQLState'08004', but got connection!
> 	at org.apache.derbyTesting.functionTests.tests.replicationTests.ReplicationRun.waitForSQLState(ReplicationRun.java:332)
> 	at org.apache.derbyTesting.functionTests.tests.replicationTests.ReplicationRun_Local_3_p3.testReplication_Local_3_p3_StateNegativeTests(ReplicationRun_Local_3_p3.java:170)
> 	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:105)
> 	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)
> In the code, after a stopMaster is given to the master (should lead to fail-over),
> the tests expects to see CANNOT_CONNECT_TO_DB_IN_SLAVE_MODE (08004.C.7), which will only succeed if
> the tests gets to try to connect before the failover has started. This seems wrong. If the failover has completed, it should expect a successful
> connect (which boots the database, btw, since its shut down after auccessful failover).
> Quote from code:
> waitForSQLState("08004", 100L, 20, // 08004.C.7 - CANNOT_CONNECT_TO_DB_IN_SLAVE_MODE
>                 slaveDatabasePath + FS + slaveDbSubPath + FS + replicatedDb,
>                 slaveServerHost, slaveServerPort); // _failOver above fails...
> There is a race between the failover on the slave and the test here I think.

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