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https://issues.apache.org/jira/browse/DERBY-3361?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12563489#action_12563489
]
Jørgen Løland commented on DERBY-3361:
--------------------------------------
Currently, any attempt of running startSlave that does not fail authorization
will report that slave mode was started successfully. Before returning the
"successfully started" message to the client, we need to verify that everything
is well. This issue will handle the reported problem and any other reason for
slave replication to fail starting.
Note that the reason for this problem is that when SlaveDatabase is booted, it
kicks off a new thread that boots the store modules. Hence, any exception
thrown as part of booting store is not currently propagated to the client.
> Specifying a non-existant slaveHost for startSlave seemingly succeeds in
> starting slave mode.
> ---------------------------------------------------------------------------------------------
>
> Key: DERBY-3361
> URL: https://issues.apache.org/jira/browse/DERBY-3361
> Project: Derby
> Issue Type: Bug
> Components: Replication
> Affects Versions: 10.4.0.0
> Environment: Trunk (615841) + patch DERBY-3205/stopSlave_v1b
> Reporter: Ole Solberg
> Assignee: Jørgen Løland
>
> Specifying a non-existant slaveHost for startSlave seemingly succeeds in
> starting slave mode.
> -----------------------------------------------------------------------------------------------------------------------
> CONNECT
> 'jdbc:derby://atum11:9999/test;startSlave=true;slaveHost=noSuchHost;slavePort=8989';
> ERROR XRE08: DERBY SQL error: SQLCODE: -1, SQLSTATE: XRE08, SQLERRMC:
> Replication slave mode started successfully for database 'test'. Connection
> refused because the database is in replication slave mode.
> Slave derby.log shows a NPE:
> --------------------------------------
> 2008-01-29 11:52:40.050 GMT:
> Booting Derby version The Apache Software Foundation - Apache Derby -
> 10.4.0.0 alpha - (615841M): instance c013800d-0117-c563-d051-000003bf6570
> on database directory
> /export/home/tmp/os136789/Replication_common_Trunk/slave/test
> Database Class Loader started - derby.database.classpath=''
> 2008-01-29 11:52:40.308 GMT:
> Shutting down instance c013800d-0117-c563-d051-000003bf6570
> ----------------------------------------------------------------
> ----------------------------------------------------------------
> 2008-01-29 11:52:40.320 GMT:
> Booting Derby version The Apache Software Foundation - Apache Derby -
> 10.4.0.0 alpha - (615841M): instance a816c00e-0117-c563-d051-000003bf6570
> on database directory
> /export/home/tmp/os136789/Replication_common_Trunk/slave/test
> 2008-01-29 11:52:40.814 GMT Thread[DRDAConnThread_2,5,main] Cleanup action
> starting
> ERROR XRE08: Replication slave mode started successfully for database 'test'.
> Connection refused because the database is in replication slave mode.
> at
> org.apache.derby.iapi.error.StandardException.newException(StandardException.java:290)
> at
> org.apache.derby.impl.jdbc.EmbedConnection.<init>(EmbedConnection.java:423)
> at
> org.apache.derby.impl.jdbc.EmbedConnection30.<init>(EmbedConnection30.java:73)
> at
> org.apache.derby.impl.jdbc.EmbedConnection40.<init>(EmbedConnection40.java:54)
> at
> org.apache.derby.jdbc.Driver40.getNewEmbedConnection(Driver40.java:68)
> at org.apache.derby.jdbc.InternalDriver.connect(InternalDriver.java:211)
> at
> org.apache.derby.jdbc.AutoloadedDriver.connect(AutoloadedDriver.java:119)
> at org.apache.derby.impl.drda.Database.makeConnection(Database.java:234)
> at
> org.apache.derby.impl.drda.DRDAConnThread.getConnFromDatabaseName(DRDAConnThread.java:1346)
> at
> org.apache.derby.impl.drda.DRDAConnThread.verifyUserIdPassword(DRDAConnThread.java:1296)
> at
> org.apache.derby.impl.drda.DRDAConnThread.parseSECCHK(DRDAConnThread.java:3033)
> at
> org.apache.derby.impl.drda.DRDAConnThread.parseDRDAConnection(DRDAConnThread.java:1090)
> at
> org.apache.derby.impl.drda.DRDAConnThread.processCommands(DRDAConnThread.java:932)
> at
> org.apache.derby.impl.drda.DRDAConnThread.run(DRDAConnThread.java:277)
> Cleanup action completed
> 2008-01-29 11:52:40.816 GMT Thread[DRDAConnThread_2,5,main] Cleanup action
> starting
> ERROR XRE08: Replication slave mode started successfully for database 'test'.
> Connection refused because the database is in replication slave mode.
> at
> org.apache.derby.iapi.error.StandardException.newException(StandardException.java:290)
> at
> org.apache.derby.impl.jdbc.EmbedConnection.<init>(EmbedConnection.java:423)
> at
> org.apache.derby.impl.jdbc.EmbedConnection30.<init>(EmbedConnection30.java:73)
> at
> org.apache.derby.impl.jdbc.EmbedConnection40.<init>(EmbedConnection40.java:54)
> at
> org.apache.derby.jdbc.Driver40.getNewEmbedConnection(Driver40.java:68)
> at org.apache.derby.jdbc.InternalDriver.connect(InternalDriver.java:211)
> at
> org.apache.derby.jdbc.AutoloadedDriver.connect(AutoloadedDriver.java:119)
> at org.apache.derby.impl.drda.Database.makeConnection(Database.java:234)
> at
> org.apache.derby.impl.drda.DRDAConnThread.getConnFromDatabaseName(DRDAConnThread.java:1346)
> at
> org.apache.derby.impl.drda.DRDAConnThread.verifyUserIdPassword(DRDAConnThread.java:1296)
> at
> org.apache.derby.impl.drda.DRDAConnThread.parseSECCHK(DRDAConnThread.java:3033)
> at
> org.apache.derby.impl.drda.DRDAConnThread.parseDRDAConnection(DRDAConnThread.java:1090)
> at
> org.apache.derby.impl.drda.DRDAConnThread.processCommands(DRDAConnThread.java:932)
> at
> org.apache.derby.impl.drda.DRDAConnThread.run(DRDAConnThread.java:277)
> Cleanup action completed
> 2008-01-29 11:52:40.816 GMT Thread[DRDAConnThread_2,5,main] (DATABASE =
> test), (DRDAID = {1}), Replication slave mode started successfully for
> database 'test'. Connection refused because the database is in replication
> slave mode.
> New exception raised during cleanup null
> java.lang.NullPointerException
> at
> org.apache.derby.impl.services.replication.slave.SlaveController.stopSlave(SlaveController.java:259)
> at
> org.apache.derby.impl.services.replication.slave.SlaveController.stopSlave(SlaveController.java:287)
> at org.apache.derby.impl.db.SlaveDatabase.stop(SlaveDatabase.java:149)
> at
> org.apache.derby.impl.services.monitor.TopService.stop(TopService.java:405)
> at
> org.apache.derby.impl.services.monitor.TopService.shutdown(TopService.java:349)
> at
> org.apache.derby.impl.services.monitor.BaseMonitor.shutdown(BaseMonitor.java:235)
> at
> org.apache.derby.impl.db.DatabaseContextImpl.cleanupOnError(DatabaseContextImpl.java:60)
> at
> org.apache.derby.iapi.services.context.ContextManager.cleanupOnError(ContextManager.java:330)
> at
> org.apache.derby.impl.jdbc.TransactionResourceImpl.cleanupOnError(TransactionResourceImpl.java:419)
> at
> org.apache.derby.impl.jdbc.TransactionResourceImpl.handleException(TransactionResourceImpl.java:337)
> at
> org.apache.derby.impl.jdbc.EmbedConnection.handleException(EmbedConnection.java:1859)
> at
> org.apache.derby.impl.jdbc.EmbedConnection.handleStopReplicationSlave(EmbedConnection.java:747)
> at
> org.apache.derby.impl.jdbc.EmbedConnection.<init>(EmbedConnection.java:296)
> at
> org.apache.derby.impl.jdbc.EmbedConnection30.<init>(EmbedConnection30.java:73)
> at
> org.apache.derby.impl.jdbc.EmbedConnection40.<init>(EmbedConnection40.java:54)
> at
> org.apache.derby.jdbc.Driver40.getNewEmbedConnection(Driver40.java:68)
> at org.apache.derby.jdbc.InternalDriver.connect(InternalDriver.java:211)
> at
> org.apache.derby.jdbc.AutoloadedDriver.connect(AutoloadedDriver.java:119)
> at
> org.apache.derby.impl.db.SlaveDatabase.handleShutdown(SlaveDatabase.java:317)
> at
> org.apache.derby.impl.db.SlaveDatabase.access$200(SlaveDatabase.java:73)
> at
> org.apache.derby.impl.db.SlaveDatabase$SlaveDatabaseBootThread.run(SlaveDatabase.java:293)
> at java.lang.Thread.run(Thread.java:619)
> Cleanup action completed
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