Hi,   I am trying to enter hive shell from CLI but its failing by throwing below error:-   [root@hadoop cloudera-scm-server]# hive Logging initialized using configuration in jar:file:/opt/cloudera/parcels/CDH-5.4.3-1.cdh5.4.3.p0.6/jars/hive-common-1.1.0-cdh5.4.3.jar!/hive-log4j.properties Exception in thread "main" java.lang.RuntimeException: java.lang.RuntimeException: Unable to instantiate org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient         at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:511)         at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:671)         at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:615)         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)         at java.lang.reflect.Method.invoke(Method.java:606)         at org.apache.hadoop.util.RunJar.run(RunJar.java:221)         at org.apache.hadoop.util.RunJar.main(RunJar.java:136) Caused by: java.lang.RuntimeException: Unable to instantiate org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient         at org.apache.hadoop.hive.metastore.MetaStoreUtils.newInstance(MetaStoreUtils.java:1488)         at org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.<init>(RetryingMetaStoreClient.java:64)         at org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.getProxy(RetryingMetaStoreClient.java:74)         at org.apache.hadoop.hive.ql.metadata.Hive.createMetaStoreClient(Hive.java:2878)         at org.apache.hadoop.hive.ql.metadata.Hive.getMSC(Hive.java:2897)         at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:492)         ... 8 more Caused by: java.lang.reflect.InvocationTargetException         at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)         at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)         at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)         at java.lang.reflect.Constructor.newInstance(Constructor.java:526)         at org.apache.hadoop.hive.metastore.MetaStoreUtils.newInstance(MetaStoreUtils.java:1486)         ... 13 more Caused by: MetaException(message:Could not connect to meta store using any of the URIs provided. Most recent failure: org.apache.thrift.transport.TTransportException: GSS initiate failed         at org.apache.thrift.transport.TSaslTransport.sendAndThrowMessage(TSaslTransport.java:232)         at org.apache.thrift.transport.TSaslTransport.open(TSaslTransport.java:316)         at org.apache.thrift.transport.TSaslClientTransport.open(TSaslClientTransport.java:37)         at org.apache.hadoop.hive.thrift.client.TUGIAssumingTransport$1.run(TUGIAssumingTransport.java:52)         at org.apache.hadoop.hive.thrift.client.TUGIAssumingTransport$1.run(TUGIAssumingTransport.java:49)         at java.security.AccessController.doPrivileged(Native Method)         at javax.security.auth.Subject.doAs(Subject.java:415)         at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1671)         at org.apache.hadoop.hive.thrift.client.TUGIAssumingTransport.open(TUGIAssumingTransport.java:49)         at org.apache.hadoop.hive.metastore.HiveMetaStoreClient.open(HiveMetaStoreClient.java:413)         at org.apache.hadoop.hive.metastore.HiveMetaStoreClient.<init>(HiveMetaStoreClient.java:233)         at org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient.<init>(SessionHiveMetaStoreClient.java:74)         at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)         at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)         at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)         at java.lang.reflect.Constructor.newInstance(Constructor.java:526)         at org.apache.hadoop.hive.metastore.MetaStoreUtils.newInstance(MetaStoreUtils.java:1486)         at org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.<init>(RetryingMetaStoreClient.java:64)         at org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.getProxy(RetryingMetaStoreClient.java:74)         at org.apache.hadoop.hive.ql.metadata.Hive.createMetaStoreClient(Hive.java:2878)         at org.apache.hadoop.hive.ql.metadata.Hive.getMSC(Hive.java:2897)         at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:492)         at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:671)         at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:615)         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)         at java.lang.reflect.Method.invoke(Method.java:606)         at org.apache.hadoop.util.RunJar.run(RunJar.java:221)         at org.apache.hadoop.util.RunJar.main(RunJar.java:136) )         at org.apache.hadoop.hive.metastore.HiveMetaStoreClient.open(HiveMetaStoreClient.java:460)         at org.apache.hadoop.hive.metastore.HiveMetaStoreClient.<init>(HiveMetaStoreClient.java:233)         at org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient.<init>(SessionHiveMetaStoreClient.java:74)         ... 18 more   i have tried removing "db.lck" from /var/log/hive/metastore_db but couldn't help. Any quick help would be appreciated.   Thanks! ... View more