FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask. MetaException(message:javax.jdo.JDODataStoreException: 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 'OPTION SQL_SELECT_LIMIT=DEFAULT' at line 1
	at org.datanucleus.api.jdo.NucleusJDOHelper.getJDOExceptionForNucleusException(NucleusJDOHelper.java:451)
	at org.datanucleus.api.jdo.JDOQuery.execute(JDOQuery.java:252)
	at org.apache.hadoop.hive.metastore.ObjectStore.getMDatabase(ObjectStore.java:508)
	at org.apache.hadoop.hive.metastore.ObjectStore.getDatabase(ObjectStore.java:528)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	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:108)
	at com.sun.proxy.$Proxy2.getDatabase(Unknown Source)
	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.get_database(HiveMetaStore.java:807)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.hadoop.hive.metastore.RetryingHMSHandler.invoke(RetryingHMSHandler.java:106)
	at com.sun.proxy.$Proxy4.get_database(Unknown Source)
	at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$get_database.getResult(ThriftHiveMetastore.java:7696)
	at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$get_database.getResult(ThriftHiveMetastore.java:7680)
	at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)
	at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39)
	at org.apache.hadoop.hive.metastore.TSetIpAddressProcessor.process(TSetIpAddressProcessor.java:48)
	at org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:244)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)
NestedThrowablesStackTrace:
com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'OPTION SQL_SELECT_LIMIT=DEFAULT' at line 1
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
	at com.mysql.jdbc.Util.getInstance(Util.java:381)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1030)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:956)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3515)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3447)
	at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1951)
	at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2101)
	at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2548)
	at com.mysql.jdbc.StatementImpl.executeSimpleNonQuery(StatementImpl.java:1502)
	at com.mysql.jdbc.StatementImpl.executeQuery(StatementImpl.java:1404)
	at com.mysql.jdbc.ConnectionImpl.getTransactionIsolation(ConnectionImpl.java:3131)
	at com.jolbox.bonecp.ConnectionHandle.getTransactionIsolation(ConnectionHandle.java:825)
	at org.datanucleus.store.rdbms.ConnectionFactoryImpl$ManagedConnectionImpl.getConnection(ConnectionFactoryImpl.java:444)
	at org.datanucleus.store.rdbms.ConnectionFactoryImpl$ManagedConnectionImpl.getXAResource(ConnectionFactoryImpl.java:378)
	at org.datanucleus.store.connection.ConnectionManagerImpl.allocateConnection(ConnectionManagerImpl.java:328)
	at org.datanucleus.store.connection.AbstractConnectionFactory.getConnection(AbstractConnectionFactory.java:94)
	at org.datanucleus.store.AbstractStoreManager.getConnection(AbstractStoreManager.java:430)
	at org.datanucleus.store.AbstractStoreManager.getConnection(AbstractStoreManager.java:396)
	at org.datanucleus.store.rdbms.query.JDOQLQuery.performExecute(JDOQLQuery.java:621)
	at org.datanucleus.store.query.Query.executeQuery(Query.java:1786)
	at org.datanucleus.store.query.Query.executeWithArray(Query.java:1672)
	at org.datanucleus.api.jdo.JDOQuery.execute(JDOQuery.java:243)
	at org.apache.hadoop.hive.metastore.ObjectStore.getMDatabase(ObjectStore.java:508)
	at org.apache.hadoop.hive.metastore.ObjectStore.getDatabase(ObjectStore.java:528)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.hadoop.hive.metastore.RawStoreProxy.invoke(RawStoreProxy.java:108)
	at com.sun.proxy.$Proxy2.getDatabase(Unknown Source)
	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.get_database(HiveMetaStore.java:807)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.hadoop.hive.metastore.RetryingHMSHandler.invoke(RetryingHMSHandler.java:106)
	at com.sun.proxy.$Proxy4.get_database(Unknown Source)
	at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$get_database.getResult(ThriftHiveMetastore.java:7696)
	at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$get_database.getResult(ThriftHiveMetastore.java:7680)
	at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)
	at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39)
	at org.apache.hadoop.hive.metastore.TSetIpAddressProcessor.process(TSetIpAddressProcessor.java:48)
	at org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:244)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)
)

, while processing data in hive, accidentally deleted some metadata, causing all hiveQL operations to fail, and reported the above error, the mood is broken.

solution : lower mysql-connect jar version, I lower it to 5.1.27,
successful! Hive can run again.
but there is still a question, why??Will this happen??
hope some big guy see, can give the answer.