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https://issues.apache.org/jira/browse/HBASE-12710?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14251902#comment-14251902
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Ted Yu commented on HBASE-12710:
--------------------------------
Dima:
The patch didn't solve the problem.
More investigation is needed.
> TestAssignmentManager may fail due to concurrent tests
> ------------------------------------------------------
>
> Key: HBASE-12710
> URL: https://issues.apache.org/jira/browse/HBASE-12710
> Project: HBase
> Issue Type: Test
> Reporter: Ted Yu
> Priority: Minor
> Attachments: 12710-1.0.txt,
> org.apache.hadoop.hbase.master.TestAssignmentManager-output.txt
>
>
> I saw TestAssignmentManager#testMasterRestartWhenTableInEnabling fail when
> running test suite on branch-1:
> {code}
> testMasterRestartWhenTableInEnabling(org.apache.hadoop.hbase.master.TestAssignmentManager)
> Time elapsed: 0.714 sec <<< FAILURE!
> java.lang.AssertionError: Table should be enabled.
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.assertTrue(Assert.java:41)
> at
> org.apache.hadoop.hbase.master.TestAssignmentManager.testMasterRestartWhenTableInEnabling(TestAssignmentManager.java:1023)
> {code}
> In test output, I saw:
> {code}
> 2014-12-18 00:45:18,230 FATAL [kiyo:38816.activeMasterManager]
> master.HMaster(1802): Unhandled exception. Starting shutdown.
> java.lang.IllegalArgumentException: Illegal character <10> at 0. Namespaces
> can only contain 'alphanumeric characters': i.e. [a-zA-Z_0-9]:
> ^Ehbase^R^Dmeta
> at
> org.apache.hadoop.hbase.TableName.isLegalNamespaceName(TableName.java:215)
> at
> org.apache.hadoop.hbase.TableName.isLegalNamespaceName(TableName.java:204)
> at org.apache.hadoop.hbase.TableName.<init>(TableName.java:307)
> at
> org.apache.hadoop.hbase.TableName.createTableNameIfNecessary(TableName.java:344)
> at org.apache.hadoop.hbase.TableName.valueOf(TableName.java:465)
> at
> org.apache.hadoop.hbase.protobuf.ProtobufUtil.toTableName(ProtobufUtil.java:2686)
> at
> org.apache.hadoop.hbase.HTableDescriptor.convert(HTableDescriptor.java:1525)
> at
> org.apache.hadoop.hbase.HTableDescriptor.parseFrom(HTableDescriptor.java:1487)
> at
> org.apache.hadoop.hbase.util.FSTableDescriptors.readTableDescriptor(FSTableDescriptors.java:526)
> at
> org.apache.hadoop.hbase.util.FSTableDescriptors.createTableDescriptorForTableDirectory(FSTableDescriptors.java:730)
> at
> org.apache.hadoop.hbase.util.FSTableDescriptors.createTableDescriptor(FSTableDescriptors.java:706)
> at
> org.apache.hadoop.hbase.util.FSTableDescriptors.createTableDescriptor(FSTableDescriptors.java:693)
> at
> org.apache.hadoop.hbase.master.MasterFileSystem.checkRootDir(MasterFileSystem.java:466)
> at
> org.apache.hadoop.hbase.master.MasterFileSystem.createInitialFileSystemLayout(MasterFileSystem.java:145)
> at
> org.apache.hadoop.hbase.master.MasterFileSystem.<init>(MasterFileSystem.java:125)
> at
> org.apache.hadoop.hbase.master.HMaster.finishActiveMasterInitialization(HMaster.java:592)
> {code}
> But running TestAssignmentManager standalone, I don't see the above exception.
> Since TestAssignmentManager is a medium test, the above exception was likely
> caused by concurrent tests.
> TestAssignmentManager should be categorized as large test.
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