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From "Eugene Koifman (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-13856) Fetching transaction batches during ACID streaming against Hive Metastore using Oracle DB fails
Date Tue, 31 May 2016 16:07:12 GMT

     [ https://issues.apache.org/jira/browse/HIVE-13856?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Eugene Koifman updated HIVE-13856:
----------------------------------
    Attachment: HIVE-13856.patch

HIVE-13856.patch - preliminary patch

> Fetching transaction batches during ACID streaming against Hive Metastore using Oracle
DB fails
> -----------------------------------------------------------------------------------------------
>
>                 Key: HIVE-13856
>                 URL: https://issues.apache.org/jira/browse/HIVE-13856
>             Project: Hive
>          Issue Type: Bug
>          Components: Transactions
>    Affects Versions: 1.3.0, 2.1.0, 2.2.0
>            Reporter: Deepesh Khandelwal
>            Assignee: Eugene Koifman
>            Priority: Blocker
>         Attachments: HIVE-13856.patch
>
>
> {noformat}
> 2016-05-25 00:43:49,682 INFO  [pool-4-thread-5]: txn.TxnHandler (TxnHandler.java:checkRetryable(1585))
- Non-retryable error: ORA-00933: SQL command not properly ended
>  (SQLState=42000, ErrorCode=933)
> 2016-05-25 00:43:49,685 ERROR [pool-4-thread-5]: metastore.RetryingHMSHandler (RetryingHMSHandler.java:invoke(159))
- MetaException(message:Unable to select from transaction database java.sql.SQLSyntaxErrorException:
ORA-00933: SQL command not properly ended
> 	at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:440)
> 	at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:396)
> 	at oracle.jdbc.driver.T4C8Oall.processError(T4C8Oall.java:837)
> 	at oracle.jdbc.driver.T4CTTIfun.receive(T4CTTIfun.java:445)
> 	at oracle.jdbc.driver.T4CTTIfun.doRPC(T4CTTIfun.java:191)
> 	at oracle.jdbc.driver.T4C8Oall.doOALL(T4C8Oall.java:523)
> 	at oracle.jdbc.driver.T4CStatement.doOall8(T4CStatement.java:193)
> 	at oracle.jdbc.driver.T4CStatement.executeForRows(T4CStatement.java:999)
> 	at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1315)
> 	at oracle.jdbc.driver.OracleStatement.executeInternal(OracleStatement.java:1890)
> 	at oracle.jdbc.driver.OracleStatement.execute(OracleStatement.java:1855)
> 	at oracle.jdbc.driver.OracleStatementWrapper.execute(OracleStatementWrapper.java:304)
> 	at com.jolbox.bonecp.StatementHandle.execute(StatementHandle.java:254)
> 	at org.apache.hadoop.hive.metastore.txn.TxnHandler.openTxns(TxnHandler.java:429)
> 	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.open_txns(HiveMetaStore.java:5647)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:606)
> 	at org.apache.hadoop.hive.metastore.RetryingHMSHandler.invoke(RetryingHMSHandler.java:107)
> 	at com.sun.proxy.$Proxy15.open_txns(Unknown Source)
> 	at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$open_txns.getResult(ThriftHiveMetastore.java:11604)
> 	at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$open_txns.getResult(ThriftHiveMetastore.java:11589)
> 	at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)
> 	at org.apache.hadoop.hive.metastore.TUGIBasedProcessor$1.run(TUGIBasedProcessor.java:110)
> 	at org.apache.hadoop.hive.metastore.TUGIBasedProcessor$1.run(TUGIBasedProcessor.java:106)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:415)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1724)
> 	at org.apache.hadoop.hive.metastore.TUGIBasedProcessor.process(TUGIBasedProcessor.java:118)
> 	at org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:285)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> )
> 	at org.apache.hadoop.hive.metastore.txn.TxnHandler.openTxns(TxnHandler.java:438)
> 	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.open_txns(HiveMetaStore.java:5647)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:606)
> 	at org.apache.hadoop.hive.metastore.RetryingHMSHandler.invoke(RetryingHMSHandler.java:107)
> 	at com.sun.proxy.$Proxy15.open_txns(Unknown Source)
> 	at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$open_txns.getResult(ThriftHiveMetastore.java:11604)
> 	at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$open_txns.getResult(ThriftHiveMetastore.java:11589)
> 	at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)
> 	at org.apache.hadoop.hive.metastore.TUGIBasedProcessor$1.run(TUGIBasedProcessor.java:110)
> 	at org.apache.hadoop.hive.metastore.TUGIBasedProcessor$1.run(TUGIBasedProcessor.java:106)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:415)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1724)
> 	at org.apache.hadoop.hive.metastore.TUGIBasedProcessor.process(TUGIBasedProcessor.java:118)
> 	at org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:285)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> 2016-05-25 00:43:49,685 ERROR [pool-4-thread-5]: thrift.ProcessFunction (ProcessFunction.java:process(41))
- Internal error processing open_txns
> MetaException(message:Unable to select from transaction database java.sql.SQLSyntaxErrorException:
ORA-00933: SQL command not properly ended
> 	at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:440)
> 	at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:396)
> 	at oracle.jdbc.driver.T4C8Oall.processError(T4C8Oall.java:837)
> 	at oracle.jdbc.driver.T4CTTIfun.receive(T4CTTIfun.java:445)
> 	at oracle.jdbc.driver.T4CTTIfun.doRPC(T4CTTIfun.java:191)
> 	at oracle.jdbc.driver.T4C8Oall.doOALL(T4C8Oall.java:523)
> 	at oracle.jdbc.driver.T4CStatement.doOall8(T4CStatement.java:193)
> 	at oracle.jdbc.driver.T4CStatement.executeForRows(T4CStatement.java:999)
> 	at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1315)
> 	at oracle.jdbc.driver.OracleStatement.executeInternal(OracleStatement.java:1890)
> 	at oracle.jdbc.driver.OracleStatement.execute(OracleStatement.java:1855)
> 	at oracle.jdbc.driver.OracleStatementWrapper.execute(OracleStatementWrapper.java:304)
> 	at com.jolbox.bonecp.StatementHandle.execute(StatementHandle.java:254)
> 	at org.apache.hadoop.hive.metastore.txn.TxnHandler.openTxns(TxnHandler.java:429)
> 	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.open_txns(HiveMetaStore.java:5647)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:606)
> 	at org.apache.hadoop.hive.metastore.RetryingHMSHandler.invoke(RetryingHMSHandler.java:107)
> 	at com.sun.proxy.$Proxy15.open_txns(Unknown Source)
> 	at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$open_txns.getResult(ThriftHiveMetastore.java:11604)
> 	at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$open_txns.getResult(ThriftHiveMetastore.java:11589)
> 	at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)
> 	at org.apache.hadoop.hive.metastore.TUGIBasedProcessor$1.run(TUGIBasedProcessor.java:110)
> 	at org.apache.hadoop.hive.metastore.TUGIBasedProcessor$1.run(TUGIBasedProcessor.java:106)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:415)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1724)
> 	at org.apache.hadoop.hive.metastore.TUGIBasedProcessor.process(TUGIBasedProcessor.java:118)
> 	at org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:285)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> )
> 	at org.apache.hadoop.hive.metastore.txn.TxnHandler.openTxns(TxnHandler.java:438)
> 	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.open_txns(HiveMetaStore.java:5647)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:606)
> 	at org.apache.hadoop.hive.metastore.RetryingHMSHandler.invoke(RetryingHMSHandler.java:107)
> 	at com.sun.proxy.$Proxy15.open_txns(Unknown Source)
> 	at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$open_txns.getResult(ThriftHiveMetastore.java:11604)
> 	at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$open_txns.getResult(ThriftHiveMetastore.java:11589)
> 	at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)
> 	at org.apache.hadoop.hive.metastore.TUGIBasedProcessor$1.run(TUGIBasedProcessor.java:110)
> 	at org.apache.hadoop.hive.metastore.TUGIBasedProcessor$1.run(TUGIBasedProcessor.java:106)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:415)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1724)
> 	at org.apache.hadoop.hive.metastore.TUGIBasedProcessor.process(TUGIBasedProcessor.java:118)
> 	at org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:285)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> {noformat}
> I think the reason here is that
> {code:title=metastore/src/java/org/apache/hadoop/hive/metastore/txn/TxnHandler.java|borderStyle=solid}
>   public OpenTxnsResponse openTxns(OpenTxnRequest rqst) throws MetaException {
> ...
>         String query;
>         String insertClause = "insert into TXNS (txn_id, txn_state, txn_started, txn_last_heartbeat,
txn_user, txn_host) values ";
>         StringBuilder valuesClause = new StringBuilder();
>         for (long i = first; i < first + numTxns; i++) {
>           txnIds.add(i);
>           if (i > first &&
>               (i - first) % conf.getIntVar(HiveConf.ConfVars.METASTORE_DIRECT_SQL_MAX_ELEMENTS_VALUES_CLAUSE)
== 0) {
>             // wrap up the current query, and start a new one
>             query = insertClause + valuesClause.toString();
>             queries.add(query);
>             valuesClause.setLength(0);
>             valuesClause.append("(").append(i).append(", 'o', ").append(now).append(",
").append(now)
>                 .append(", '").append(rqst.getUser()).append("', '").append(rqst.getHostname())
>                 .append("')");
>             continue;
>           }
>           if (i > first) {
>             valuesClause.append(", ");
>           }
>           valuesClause.append("(").append(i).append(", 'o', ").append(now).append(",
").append(now)
>               .append(", '").append(rqst.getUser()).append("', '").append(rqst.getHostname())
>               .append("')");
>         }
>         query = insertClause + valuesClause.toString();
> ...
> }
> {code}
> ends up building a query of the form
> {code:sql}
> INSERT INTO TXNS (...) VALUES (...), (...)
> {code}
> Oracle doesn't like this way of inserting multiple rows of data. Couple of ways the following
[post|http://www.oratable.com/oracle-insert-all/] describe is either inserting each row individually
or use the {{INSERT ALL}} semantics.



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