[jira] [Created] (HBASE-12710) TestAssignmentManager may fail due to concurrent tests

["Ted Yu (JIRA)" <ji...@apache.org>]

Ted Yu created HBASE-12710:
------------------------------

             Summary: 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


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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