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From "Ashutosh Chauhan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-9196) MetaStoreDirectSql.getTableStats may need to call doDbSpecificInitializationsBeforeQuery
Date Tue, 23 Dec 2014 17:10:13 GMT

    [ https://issues.apache.org/jira/browse/HIVE-9196?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14257226#comment-14257226
] 

Ashutosh Chauhan commented on HIVE-9196:
----------------------------------------

[~decster] Have you tested this patch fixes your issue? From stacktrace it seems unlikely
this patch is addressing the issue. 
[~sershe] What do you think ?

> MetaStoreDirectSql.getTableStats may need to call doDbSpecificInitializationsBeforeQuery

> -----------------------------------------------------------------------------------------
>
>                 Key: HIVE-9196
>                 URL: https://issues.apache.org/jira/browse/HIVE-9196
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Binglin Chang
>            Assignee: Binglin Chang
>            Priority: Minor
>         Attachments: HIVE-9196.001.patch
>
>
> Our hive metastore server sometimes print logs like this:
> {noformat}
> 2014-12-17 07:03:22,415 ERROR [pool-3-thread-154]: metastore.ObjectStore (ObjectStore.java:handleDirectSqlError(2248))
- Direct SQL failed, falling back to ORM
> javax.jdo.JDODataStoreException: Error executing SQL query "select "COLUMN_NAME", "COLUMN_TYPE",
"LONG_LOW_VALUE", "LONG_HIGH_VALUE", "DOUBLE_LOW_VALUE", "DOUBLE_HIGH_VALUE", "BIG_DECIMAL_LOW_VALUE",
"BIG_DECIMAL_HIGH_VALUE", "NUM_NULLS", "NUM_DISTINCTS", "AVG_COL_LEN", "MAX_COL_LEN", "NUM_TRUES",
"NUM_FALSES", "LAST_ANALYZED"  from "TAB_COL_STATS"  where "DB_NAME" = ? and "TABLE_NAME"
= ? and "COLUMN_NAME" in (?)".
>         at org.datanucleus.api.jdo.NucleusJDOHelper.getJDOExceptionForNucleusException(NucleusJDOHelper.java:451)
>         at org.datanucleus.api.jdo.JDOQuery.executeWithArray(JDOQuery.java:321)
>         at org.apache.hadoop.hive.metastore.MetaStoreDirectSql.getTableStats(MetaStoreDirectSql.java:879)
>         at org.apache.hadoop.hive.metastore.ObjectStore$5.getSqlResult(ObjectStore.java:5754)
>         at org.apache.hadoop.hive.metastore.ObjectStore$5.getSqlResult(ObjectStore.java:5751)
>         at org.apache.hadoop.hive.metastore.ObjectStore$GetHelper.run(ObjectStore.java:2213)
>         at org.apache.hadoop.hive.metastore.ObjectStore.getTableColumnStatisticsInternal(ObjectStore.java:5751)
>         at org.apache.hadoop.hive.metastore.ObjectStore.getTableColumnStatistics(ObjectStore.java:5745)
>         at sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at org.apache.hadoop.hive.metastore.RawStoreProxy.invoke(RawStoreProxy.java:108)
>         at $Proxy8.getTableColumnStatistics(Unknown Source)
>         at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.get_table_column_statistics(HiveMetaStore.java:3552)
>         at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$get_table_column_statistics.getResult(ThriftHiveMetastore.java:9468)
>         at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$get_table_column_statistics.getResult(ThriftHiveMetastore.java:9452)
>         at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)
>         at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39)
>         at org.apache.hadoop.hive.thrift.HadoopThriftAuthBridge20S$Server$TUGIAssumingProcessor$1.run(HadoopThriftAuthBridge20S.java:666)
>         at org.apache.hadoop.hive.thrift.HadoopThriftAuthBridge20S$Server$TUGIAssumingProcessor$1.run(HadoopThriftAuthBridge20S.java:662)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at javax.security.auth.Subject.doAs(Subject.java:396)
>         at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1589)
>         at org.apache.hadoop.hive.thrift.HadoopThriftAuthBridge20S$Server$TUGIAssumingProcessor.process(HadoopThriftAuthBridge20S.java:662)
>         at org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:244)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>         at java.lang.Thread.run(Thread.java:662)
> NestedThrowablesStackTrace:
> com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your
SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax
to use near '"TAB_COL_STATS"  where "DB_NAME" = 'user_profile' and "TABLE_NAME" = 'md5_device'
at line 1
>         at sun.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source)
>         at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
>         at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
>         at com.mysql.jdbc.Util.handleNewInstance(Util.java:377)
>         at com.mysql.jdbc.Util.getInstance(Util.java:360)
>         at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:978)
>         at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3887)
>         at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3823)
>         at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2435)
>         at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2582)
>         at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2530)
>         at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1907)
>         at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:2030)
>         at com.jolbox.bonecp.PreparedStatementHandle.executeQuery(PreparedStatementHandle.java:174)
>         at org.datanucleus.store.rdbms.ParamLoggingPreparedStatement.executeQuery(ParamLoggingPreparedStatement.java:381)
>         at org.datanucleus.store.rdbms.SQLController.executeStatementQuery(SQLController.java:504)
>         at org.datanucleus.store.rdbms.query.SQLQuery.performExecute(SQLQuery.java:280)
>         at org.datanucleus.store.query.Query.executeQuery(Query.java:1786)
>         at org.datanucleus.store.query.AbstractSQLQuery.executeWithArray(AbstractSQLQuery.java:339)
>         at org.datanucleus.api.jdo.JDOQuery.executeWithArray(JDOQuery.java:312)
>         at org.apache.hadoop.hive.metastore.MetaStoreDirectSql.getTableStats(MetaStoreDirectSql.java:879)
>         at org.apache.hadoop.hive.metastore.ObjectStore$5.getSqlResult(ObjectStore.java:5754)
>         at org.apache.hadoop.hive.metastore.ObjectStore$5.getSqlResult(ObjectStore.java:5751)
>         at org.apache.hadoop.hive.metastore.ObjectStore$GetHelper.run(ObjectStore.java:2213)
>         at org.apache.hadoop.hive.metastore.ObjectStore.getTableColumnStatisticsInternal(ObjectStore.java:5751)
>         at org.apache.hadoop.hive.metastore.ObjectStore.getTableColumnStatistics(ObjectStore.java:5745)
>         at sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at org.apache.hadoop.hive.metastore.RawStoreProxy.invoke(RawStoreProxy.java:108)
>         at $Proxy8.getTableColumnStatistics(Unknown Source)
>         at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.get_table_column_statistics(HiveMetaStore.java:3552)
>         at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$get_table_column_statistics.getResult(ThriftHiveMetastore.java:9468)
>         at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$get_table_column_statistics.getResult(ThriftHiveMetastore.java:9452)
>         at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)
>         at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39)
>         at org.apache.hadoop.hive.thrift.HadoopThriftAuthBridge20S$Server$TUGIAssumingProcessor$1.run(HadoopThriftAuthBridge20S.java:666)
>         at org.apache.hadoop.hive.thrift.HadoopThriftAuthBridge20S$Server$TUGIAssumingProcessor$1.run(HadoopThriftAuthBridge20S.java:662)
>         at org.apache.hadoop.hive.thrift.HadoopThriftAuthBridge20S$Server$TUGIAssumingProcessor$1.run(HadoopThriftAuthBridge20S.java:662)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at javax.security.auth.Subject.doAs(Subject.java:396)
>         at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1589)
>         at org.apache.hadoop.hive.thrift.HadoopThriftAuthBridge20S$Server$TUGIAssumingProcessor.process(HadoopThriftAuthBridge20S.java:662)
>         at org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:244)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>         at java.lang.Thread.run(Thread.java:662)
> {noformat}
> The error is probably because in mysql, a query with table name "quoted" should call
"SET @@session.sql_mode=ANSI_QUOTES" first, since the log  is printed, maybe in some cases
sql_mode is not set properly.



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