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一.报错异常如下:

FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask. MetaException(message:An exception was thrown while adding/validating class(es) : Column length too big for column 'PARAM_VALUE' (max = 21845); use BLOB or TEXT insteadcom.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Column length too big for column 'PARAM_VALUE' (max = 21845); use BLOB or TEXT instead        at sun.reflect.GeneratedConstructorAccessor30.newInstance(Unknown Source)        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:425)        at com.mysql.jdbc.Util.getInstance(Util.java:408)        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:944)        at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3933)        at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3869)        at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2524)        at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2675)        at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2465)        at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2439)        at com.mysql.jdbc.StatementImpl.executeInternal(StatementImpl.java:829)        at com.mysql.jdbc.StatementImpl.execute(StatementImpl.java:729)        at com.jolbox.bonecp.StatementHandle.execute(StatementHandle.java:254)        at org.datanucleus.store.rdbms.table.AbstractTable.executeDdlStatement(AbstractTable.java:760)        at org.datanucleus.store.rdbms.table.AbstractTable.executeDdlStatementList(AbstractTable.java:711)        at org.datanucleus.store.rdbms.table.AbstractTable.create(AbstractTable.java:425)        at org.datanucleus.store.rdbms.table.AbstractTable.exists(AbstractTable.java:488)        at org.datanucleus.store.rdbms.RDBMSStoreManager$ClassAdder.performTablesValidation(RDBMSStoreManager.java:3380)        at org.datanucleus.store.rdbms.RDBMSStoreManager$ClassAdder.addClassTablesAndValidate(RDBMSStoreManager.java:3190)        at org.datanucleus.store.rdbms.RDBMSStoreManager$ClassAdder.run(RDBMSStoreManager.java:2841)        at org.datanucleus.store.rdbms.AbstractSchemaTransaction.execute(AbstractSchemaTransaction.java:122)        at org.datanucleus.store.rdbms.RDBMSStoreManager.addClasses(RDBMSStoreManager.java:1605)        at org.datanucleus.store.AbstractStoreManager.addClass(AbstractStoreManager.java:954)        at org.datanucleus.store.rdbms.RDBMSStoreManager.getDatastoreClass(RDBMSStoreManager.java:679)        at org.datanucleus.store.rdbms.RDBMSStoreManager.getPropertiesForGenerator(RDBMSStoreManager.java:2045)        at org.datanucleus.store.AbstractStoreManager.getStrategyValue(AbstractStoreManager.java:1365)        at org.datanucleus.ExecutionContextImpl.newObjectId(ExecutionContextImpl.java:3827)        at org.datanucleus.state.JDOStateManager.setIdentity(JDOStateManager.java:2571)        at org.datanucleus.state.JDOStateManager.initialiseForPersistentNew(JDOStateManager.java:513)        at org.datanucleus.state.ObjectProviderFactoryImpl.newForPersistentNew(ObjectProviderFactoryImpl.java:232)        at org.datanucleus.ExecutionContextImpl.newObjectProviderForPersistentNew(ExecutionContextImpl.java:1414)        at org.datanucleus.ExecutionContextImpl.persistObjectInternal(ExecutionContextImpl.java:2218)        at org.datanucleus.ExecutionContextImpl.persistObjectWork(ExecutionContextImpl.java:2065)        at org.datanucleus.ExecutionContextImpl.persistObject(ExecutionContextImpl.java:1913)        at org.datanucleus.ExecutionContextThreadedImpl.persistObject(ExecutionContextThreadedImpl.java:217)        at org.datanucleus.api.jdo.JDOPersistenceManager.jdoMakePersistent(JDOPersistenceManager.java:727)        at org.datanucleus.api.jdo.JDOPersistenceManager.makePersistent(JDOPersistenceManager.java:752)        at org.apache.hadoop.hive.metastore.ObjectStore.createTable(ObjectStore.java:902)        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:103)        at com.sun.proxy.$Proxy19.createTable(Unknown Source)        at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.create_table_core(HiveMetaStore.java:1515)        at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.create_table_with_environment_context(HiveMetaStore.java:1557)        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.invokeInternal(RetryingHMSHandler.java:140)        at org.apache.hadoop.hive.metastore.RetryingHMSHandler.invoke(RetryingHMSHandler.java:99)        at com.sun.proxy.$Proxy20.create_table_with_environment_context(Unknown Source)        at org.apache.hadoop.hive.metastore.HiveMetaStoreClient.create_table_with_environment_context(HiveMetaStoreClient.java:2194)        at org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient.create_table_with_environment_context(SessionHiveMetaStoreClient.java:97)        at org.apache.hadoop.hive.metastore.HiveMetaStoreClient.createTable(HiveMetaStoreClient.java:732)        at org.apache.hadoop.hive.metastore.HiveMetaStoreClient.createTable(HiveMetaStoreClient.java:720)        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)        at java.lang.reflect.Method.invoke(Method.java:498)        at org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.invoke(RetryingMetaStoreClient.java:105)        at com.sun.proxy.$Proxy21.createTable(Unknown Source)        at org.apache.hadoop.hive.ql.metadata.Hive.createTable(Hive.java:784)        at org.apache.hadoop.hive.ql.exec.DDLTask.createTable(DDLTask.java:4177)        at org.apache.hadoop.hive.ql.exec.DDLTask.execute(DDLTask.java:311)        at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:214)        at org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:99)        at org.apache.hadoop.hive.ql.Driver.launchTask(Driver.java:2052)        at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:1748)        at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1501)        at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1285)        at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1275)        at org.apache.hadoop.hive.cli.CliDriver.processLocalCmd(CliDriver.java:226)        at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:175)        at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:389)        at org.apache.hadoop.hive.cli.CliDriver.executeDriver(CliDriver.java:781)        at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:699)        at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:634)        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.util.RunJar.run(RunJar.java:221)        at org.apache.hadoop.util.RunJar.main(RunJar.java:136)

二.解决方法

进入元数据存储的数据库

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