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From "Jimmy Xiang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-11939) TxnDbUtil should turn off jdbc auto commit
Date Wed, 23 Sep 2015 22:12:04 GMT
Jimmy Xiang created HIVE-11939:
----------------------------------

             Summary: TxnDbUtil should turn off jdbc auto commit
                 Key: HIVE-11939
                 URL: https://issues.apache.org/jira/browse/HIVE-11939
             Project: Hive
          Issue Type: Bug
            Reporter: Jimmy Xiang
            Assignee: Jimmy Xiang
            Priority: Minor


TxnDbUtil uses jdbc transactions, but doesn't turn off auto commit. So some TestStreaming
tests are flaky. For example,
{noformat}
testTransactionBatchAbortAndCommit(org.apache.hive.hcatalog.streaming.TestStreaming)  Time
elapsed: 0.011 sec  <<< ERROR!
java.sql.SQLException: Table/View 'TXNS' already exists in Schema 'APP'.
	at org.apache.derby.iapi.error.StandardException.newException(Unknown Source)
	at org.apache.derby.impl.sql.catalog.DataDictionaryImpl.duplicateDescriptorException(Unknown
Source)
	at org.apache.derby.impl.sql.catalog.DataDictionaryImpl.addDescriptor(Unknown Source)
	at org.apache.derby.impl.sql.execute.CreateTableConstantAction.executeConstantAction(Unknown
Source)
	at org.apache.derby.impl.sql.execute.MiscResultSet.open(Unknown Source)
	at org.apache.derby.impl.sql.GenericPreparedStatement.executeStmt(Unknown Source)
	at org.apache.derby.impl.sql.GenericPreparedStatement.execute(Unknown Source)
	at org.apache.derby.impl.jdbc.EmbedStatement.executeStatement(Unknown Source)
	at org.apache.derby.impl.jdbc.EmbedStatement.execute(Unknown Source)
	at org.apache.derby.impl.jdbc.EmbedStatement.execute(Unknown Source)
	at org.apache.hadoop.hive.metastore.txn.TxnDbUtil.prepDb(TxnDbUtil.java:72)
	at org.apache.hadoop.hive.metastore.txn.TxnDbUtil.prepDb(TxnDbUtil.java:131)
	at org.apache.hive.hcatalog.streaming.TestStreaming.<init>(TestStreaming.java:160)

{noformat}



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