2019-04-22 14:43:18,394 ERROR [Timer-Driven Process Thread-4] o.a.nifi.processors.hive.SelectHiveQL SelectHiveQL[id=016a1004-1b33-1361-b094-2a3298750db3] org.apache.nifi.processors.hive.SelectHiveQL$$Lambda$837/1082202619@6d1a7c1f failed to process due to java.lang.NullPointerException; rolling back session: java.lang.NullPointerException java.lang.NullPointerException: null at org.apache.thrift.transport.TSocket.open(TSocket.java:170) at org.apache.thrift.transport.TSaslTransport.open(TSaslTransport.java:266) at org.apache.thrift.transport.TSaslClientTransport.open(TSaslClientTransport.java:37) at org.apache.hive.jdbc.HiveConnection.openTransport(HiveConnection.java:204) at org.apache.hive.jdbc.HiveConnection.(HiveConnection.java:176) at org.apache.hive.jdbc.HiveDriver.connect(HiveDriver.java:105) at org.apache.commons.dbcp.DriverConnectionFactory.createConnection(DriverConnectionFactory.java:38) at org.apache.commons.dbcp.PoolableConnectionFactory.makeObject(PoolableConnectionFactory.java:582) at org.apache.commons.dbcp.BasicDataSource.validateConnectionFactory(BasicDataSource.java:1556) at org.apache.commons.dbcp.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:1545) at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1388) at org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:1044) at org.apache.nifi.dbcp.hive.HiveConnectionPool.getConnection(HiveConnectionPool.java:380) at org.apache.nifi.dbcp.DBCPService.getConnection(DBCPService.java:49) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.apache.nifi.controller.service.StandardControllerServiceInvocationHandler.invoke(StandardControllerServiceInvocationHandler.java:87) at com.sun.proxy.$Proxy158.getConnection(Unknown Source) at org.apache.nifi.processors.hive.SelectHiveQL.onTrigger(SelectHiveQL.java:339) at org.apache.nifi.processors.hive.SelectHiveQL.lambda$onTrigger$0(SelectHiveQL.java:285) at org.apache.nifi.processor.util.pattern.PartialFunctions.onTrigger(PartialFunctions.java:114) at org.apache.nifi.processor.util.pattern.PartialFunctions.onTrigger(PartialFunctions.java:106) at org.apache.nifi.processors.hive.SelectHiveQL.onTrigger(SelectHiveQL.java:285) at org.apache.nifi.controller.StandardProcessorNode.onTrigger(StandardProcessorNode.java:1162) at org.apache.nifi.controller.tasks.ConnectableTask.invoke(ConnectableTask.java:209) at org.apache.nifi.controller.scheduling.TimerDrivenSchedulingAgent$1.run(TimerDrivenSchedulingAgent.java:117) at org.apache.nifi.engine.FlowEngine$2.run(FlowEngine.java:110) at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) at java.util.concurrent.FutureTask.runAndReset(Unknown Source) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(Unknown Source) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown Source) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) 2019-04-22 14:43:18,394 ERROR [Timer-Driven Process Thread-4] o.a.nifi.processors.hive.SelectHiveQL SelectHiveQL[id=016a1004-1b33-1361-b094-2a3298750db3] SelectHiveQL[id=016a1004-1b33-1361-b094-2a3298750db3] failed to process session due to java.lang.NullPointerException; Processor Administratively Yielded for 1 sec: java.lang.NullPointerException java.lang.NullPointerException: null at org.apache.thrift.transport.TSocket.open(TSocket.java:170) at org.apache.thrift.transport.TSaslTransport.open(TSaslTransport.java:266) at org.apache.thrift.transport.TSaslClientTransport.open(TSaslClientTransport.java:37) at org.apache.hive.jdbc.HiveConnection.openTransport(HiveConnection.java:204) at org.apache.hive.jdbc.HiveConnection.(HiveConnection.java:176) at org.apache.hive.jdbc.HiveDriver.connect(HiveDriver.java:105) at org.apache.commons.dbcp.DriverConnectionFactory.createConnection(DriverConnectionFactory.java:38) at org.apache.commons.dbcp.PoolableConnectionFactory.makeObject(PoolableConnectionFactory.java:582) at org.apache.commons.dbcp.BasicDataSource.validateConnectionFactory(BasicDataSource.java:1556) at org.apache.commons.dbcp.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:1545) at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1388) at org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:1044) at org.apache.nifi.dbcp.hive.HiveConnectionPool.getConnection(HiveConnectionPool.java:380) at org.apache.nifi.dbcp.DBCPService.getConnection(DBCPService.java:49) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.apache.nifi.controller.service.StandardControllerServiceInvocationHandler.invoke(StandardControllerServiceInvocationHandler.java:87) at com.sun.proxy.$Proxy158.getConnection(Unknown Source) at org.apache.nifi.processors.hive.SelectHiveQL.onTrigger(SelectHiveQL.java:339) at org.apache.nifi.processors.hive.SelectHiveQL.lambda$onTrigger$0(SelectHiveQL.java:285) at org.apache.nifi.processor.util.pattern.PartialFunctions.onTrigger(PartialFunctions.java:114) at org.apache.nifi.processor.util.pattern.PartialFunctions.onTrigger(PartialFunctions.java:106) at org.apache.nifi.processors.hive.SelectHiveQL.onTrigger(SelectHiveQL.java:285) at org.apache.nifi.controller.StandardProcessorNode.onTrigger(StandardProcessorNode.java:1162) at org.apache.nifi.controller.tasks.ConnectableTask.invoke(ConnectableTask.java:209) at org.apache.nifi.controller.scheduling.TimerDrivenSchedulingAgent$1.run(TimerDrivenSchedulingAgent.java:117) at org.apache.nifi.engine.FlowEngine$2.run(FlowEngine.java:110) at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) at java.util.concurrent.FutureTask.runAndReset(Unknown Source) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(Unknown Source) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown Source) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) 2019-04-22 14:43:18,394 WARN [Timer-Driven Process Thread-4] o.a.n.controller.tasks.ConnectableTask Administratively Yielding SelectHiveQL[id=016a1004-1b33-1361-b094-2a3298750db3] due to uncaught Exception: java.lang.NullPointerException java.lang.NullPointerException: null at org.apache.thrift.transport.TSocket.open(TSocket.java:170) at org.apache.thrift.transport.TSaslTransport.open(TSaslTransport.java:266) at org.apache.thrift.transport.TSaslClientTransport.open(TSaslClientTransport.java:37) at org.apache.hive.jdbc.HiveConnection.openTransport(HiveConnection.java:204) at org.apache.hive.jdbc.HiveConnection.(HiveConnection.java:176) at org.apache.hive.jdbc.HiveDriver.connect(HiveDriver.java:105) at org.apache.commons.dbcp.DriverConnectionFactory.createConnection(DriverConnectionFactory.java:38) at org.apache.commons.dbcp.PoolableConnectionFactory.makeObject(PoolableConnectionFactory.java:582) at org.apache.commons.dbcp.BasicDataSource.validateConnectionFactory(BasicDataSource.java:1556) at org.apache.commons.dbcp.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:1545) at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1388) at org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:1044) at org.apache.nifi.dbcp.hive.HiveConnectionPool.getConnection(HiveConnectionPool.java:380) at org.apache.nifi.dbcp.DBCPService.getConnection(DBCPService.java:49) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.apache.nifi.controller.service.StandardControllerServiceInvocationHandler.invoke(StandardControllerServiceInvocationHandler.java:87) at com.sun.proxy.$Proxy158.getConnection(Unknown Source) at org.apache.nifi.processors.hive.SelectHiveQL.onTrigger(SelectHiveQL.java:339) at org.apache.nifi.processors.hive.SelectHiveQL.lambda$onTrigger$0(SelectHiveQL.java:285) at org.apache.nifi.processor.util.pattern.PartialFunctions.onTrigger(PartialFunctions.java:114) at org.apache.nifi.processor.util.pattern.PartialFunctions.onTrigger(PartialFunctions.java:106) at org.apache.nifi.processors.hive.SelectHiveQL.onTrigger(SelectHiveQL.java:285) at org.apache.nifi.controller.StandardProcessorNode.onTrigger(StandardProcessorNode.java:1162) at org.apache.nifi.controller.tasks.ConnectableTask.invoke(ConnectableTask.java:209) at org.apache.nifi.controller.scheduling.TimerDrivenSchedulingAgent$1.run(TimerDrivenSchedulingAgent.java:117) at org.apache.nifi.engine.FlowEngine$2.run(FlowEngine.java:110) at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) at java.util.concurrent.FutureTask.runAndReset(Unknown Source) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(Unknown Source) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown Source) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)