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zhangbutao commented on HIVE-25186: ----------------------------------- This exception looks like HIVE-23756 which failed to delete a table intermittently. > Drop database fails with excetion 'Cannot delete or update a parent row: a > foreign key constraint fails' > -------------------------------------------------------------------------------------------------------- > > Key: HIVE-25186 > URL: https://issues.apache.org/jira/browse/HIVE-25186 > Project: Hive > Issue Type: Bug > Components: Standalone Metastore > Affects Versions: 4.0.0 > Reporter: zhangbutao > Priority: Major > Attachments: drop_database_exception.txt > > > We use Hive master branch (HiveMetastoreClient Api) to create and drop > database. > When we drop database with following sample code, some exceptions will occur > occasionally. > {code:java} > HiveMetaStoreClient hiveMetaClient = new HiveMetaStoreClient(hiveConf); > hiveMetaClient.dropDatabase("testdb", true, true, true); > {code} > {code:java} > java.sql.BatchUpdateException: Cannot delete or update a parent row: a > foreign key constraint fails ("hive"."tbls", CONSTRAINT > "FKdg0lkp80iro5fs41hyvi9ox43" FOREIGN KEY ("DB_ID") REFERENCES "dbs" > ("DB_ID")) > at > com.mysql.jdbc.PreparedStatement.executeBatchSerially(PreparedStatement.java:2058) > at > com.mysql.jdbc.PreparedStatement.executeBatch(PreparedStatement.java:1471) > at > org.apache.hive.com.zaxxer.hikari.pool.ProxyStatement.executeBatch(ProxyStatement.java:125) > at > org.apache.hive.com.zaxxer.hikari.pool.HikariProxyPreparedStatement.executeBatch(HikariProxyPreparedStatement.java) > at > org.datanucleus.store.rdbms.ParamLoggingPreparedStatement.executeBatch(ParamLoggingPreparedStatement.java:366) > at > org.datanucleus.store.rdbms.SQLController.processConnectionStatement(SQLController.java:667) > at > org.datanucleus.store.rdbms.SQLController.processStatementsForConnection(SQLController.java:635) > at > org.datanucleus.store.rdbms.SQLController$1.transactionFlushed(SQLController.java:721) > at > org.datanucleus.store.connection.AbstractManagedConnection.transactionFlushed(AbstractManagedConnection.java:95) > at > org.datanucleus.store.connection.ConnectionManagerImpl$2.transactionFlushed(ConnectionManagerImpl.java:528) > at org.datanucleus.TransactionImpl.flush(TransactionImpl.java:222) > at org.datanucleus.TransactionImpl.commit(TransactionImpl.java:286) > at > org.datanucleus.api.jdo.JDOTransaction.commit(JDOTransaction.java:107) > at > org.apache.hadoop.hive.metastore.ObjectStore.commitTransaction(ObjectStore.java:598) > at sun.reflect.GeneratedMethodAccessor103.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at > org.apache.hadoop.hive.metastore.RawStoreProxy.invoke(RawStoreProxy.java:97) > at com.sun.proxy.$Proxy27.commitTransaction(Unknown Source) > at > org.apache.hadoop.hive.metastore.HMSHandler.drop_database_core(HMSHandler.java:1898) > at > org.apache.hadoop.hive.metastore.HMSHandler.drop_database(HMSHandler.java:1954) > at sun.reflect.GeneratedMethodAccessor219.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at > org.apache.hadoop.hive.metastore.RetryingHMSHandler.invokeInternal(RetryingHMSHandler.java:147) > at > org.apache.hadoop.hive.metastore.RetryingHMSHandler.invoke(RetryingHMSHandler.java:108) > at com.sun.proxy.$Proxy28.drop_database(Unknown Source) > at > org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$drop_database.getResult(ThriftHiveMetastore.java:17577) > at > org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$drop_database.getResult(ThriftHiveMetastore.java:17556) > at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:38) > at > org.apache.hadoop.hive.metastore.TUGIBasedProcessor$1.run(TUGIBasedProcessor.java:111) > at > org.apache.hadoop.hive.metastore.TUGIBasedProcessor$1.run(TUGIBasedProcessor.java:107) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:422) > at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1685) > at > org.apache.hadoop.hive.metastore.TUGIBasedProcessor.process(TUGIBasedProcessor.java:119) > at > org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:313) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) > at java.lang.Thread.run(Thread.java:748) > {code} -- This message was sent by Atlassian Jira (v8.3.4#803005)