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via hadooptutorial.info by Unknown author, 1 year ago
Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
javax.jdo.JDOFatalDataStoreException: Communications link failure 
The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.	at org.datanucleus.jdo.NucleusJDOHelper.getJDOExceptionForNucleusException(NucleusJDOHelper.java:298)	at org.datanucleus.jdo.JDOPersistenceManagerFactory.freezeConfiguration(JDOPersistenceManagerFactory.java:601)	at org.datanucleus.jdo.JDOPersistenceManagerFactory.createPersistenceManagerFactory(JDOPersistenceManagerFactory.java:286)	at org.datanucleus.jdo.JDOPersistenceManagerFactory.getPersistenceManagerFactory(JDOPersistenceManagerFactory.java:182)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at javax.jdo.JDOHelper$16.run(JDOHelper.java:1958)	at java.security.AccessController.doPrivileged(Native Method)	at javax.jdo.JDOHelper.invoke(JDOHelper.java:1953)	at javax.jdo.JDOHelper.invokeGetPersistenceManagerFactoryOnImplementation(JDOHelper.java:1159)	at javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java:803)	at javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java:698)	at org.apache.hadoop.hive.metastore.ObjectStore.getPMF(ObjectStore.java:262)	at org.apache.hadoop.hive.metastore.ObjectStore.getPersistenceManager(ObjectStore.java:291)	at org.apache.hadoop.hive.metastore.ObjectStore.initialize(ObjectStore.java:224)	at org.apache.hadoop.hive.metastore.ObjectStore.setConf(ObjectStore.java:199)	at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:70)	at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:130)	at org.apache.hadoop.hive.metastore.RetryingRawStore.(RetryingRawStore.java:62)	at org.apache.hadoop.hive.metastore.RetryingRawStore.getProxy(RetryingRawStore.java:71)	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.newRawStore(HiveMetaStore.java:404)	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.getMS(HiveMetaStore.java:392)	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.createDefaultDB(HiveMetaStore.java:430)	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.init(HiveMetaStore.java:324)	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.(HiveMetaStore.java:285)	at org.apache.hadoop.hive.metastore.RetryingHMSHandler.(RetryingHMSHandler.java:56)	at org.apache.hadoop.hive.metastore.RetryingHMSHandler.getProxy(RetryingHMSHandler.java:61)	at org.apache.hadoop.hive.metastore.HiveMetaStore.newHMSHandler(HiveMetaStore.java:4010)	at org.apache.hadoop.hive.metastore.HiveMetaStore.startMetaStore(HiveMetaStore.java:4211)	at org.apache.hadoop.hive.metastore.HiveMetaStore.main(HiveMetaStore.java:4147)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at org.apache.hadoop.util.RunJar.main(RunJar.java:208)