Hi Keith, This error is typically encountered when your metastore (that stores the metadata related to Hive tables e.g. name of columns, name of tables, etc. etc.) is not correctly set up.
Have you set up an external metastore? By default, Hive should use an embedded Derby metastore which only allows one connection at a time. Mark Mark Grover, Business Intelligence Analyst OANDA Corporation www: oanda.com www: fxtrade.com "Best Trading Platform" - World Finance's Forex Awards 2009. "The One to Watch" - Treasury Today's Adam Smith Awards 2009. ----- Original Message ----- From: "Keith Wiley" <kwi...@keithwiley.com> To: user@hive.apache.org Sent: Friday, March 9, 2012 3:02:40 PM Subject: Error I'm quite comfortable hadoop and the associated lingo, been programming it via Java and via C++ streams for several years. However, I have just started Hive for the first time...and I'm stuck. I was following the "getting started" page on the apache site. I got a far as this: hive> CREATE TABLE pokes (foo INT, bar STRING); FAILED: Error in metadata: javax.jdo.JDOFatalInternalException: Unexpected exception caught. NestedThrowables: java.lang.reflect.InvocationTargetException FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask If I look at the logs, I see the following. I'm not sure how to proceed from here. Any help is appreciated. Thanks. $ cat /tmp/keithw/hive.log 2012-03-09 12:02:22,087 ERROR exec.DDLTask (SessionState.java:printError(365)) - FAILED: Error in metadata: javax.jdo.JDOFatalInternalException: Unexpected exception caught. NestedThrowables: java.lang.reflect.InvocationTargetException org.apache.hadoop.hive.ql.metadata.HiveException: javax.jdo.JDOFatalInternalException: Unexpected exception caught. NestedThrowables: java.lang.reflect.InvocationTargetException at org.apache.hadoop.hive.ql.metadata.Hive.createTable(Hive.java:476) at org.apache.hadoop.hive.ql.exec.DDLTask.createTable(DDLTask.java:3176) at org.apache.hadoop.hive.ql.exec.DDLTask.execute(DDLTask.java:213) at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:131) at org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:57) at org.apache.hadoop.hive.ql.Driver.launchTask(Driver.java:1063) at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:900) at org.apache.hadoop.hive.ql.Driver.run(Driver.java:748) at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:209) at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:286) at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:516) 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:197) Caused by: javax.jdo.JDOFatalInternalException: Unexpected exception caught. NestedThrowables: java.lang.reflect.InvocationTargetException at javax.jdo.JDOHelper.invokeGetPersistenceManagerFactoryOnImplementation(JDOHelper.java:1186) 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:234) at org.apache.hadoop.hive.metastore.ObjectStore.getPersistenceManager(ObjectStore.java:261) at org.apache.hadoop.hive.metastore.ObjectStore.initialize(ObjectStore.java:196) at org.apache.hadoop.hive.metastore.ObjectStore.setConf(ObjectStore.java:171) at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:62) at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:117) at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.getMS(HiveMetaStore.java:354) at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.executeWithRetry(HiveMetaStore.java:306) at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.createDefaultDB(HiveMetaStore.java:451) at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.init(HiveMetaStore.java:232) at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.<init>(HiveMetaStore.java:197) at org.apache.hadoop.hive.metastore.HiveMetaStoreClient.<init>(HiveMetaStoreClient.java:108) at org.apache.hadoop.hive.ql.metadata.Hive.createMetaStoreClient(Hive.java:1868) at org.apache.hadoop.hive.ql.metadata.Hive.getMSC(Hive.java:1878) at org.apache.hadoop.hive.ql.metadata.Hive.createTable(Hive.java:470) ... 15 more Caused by: java.lang.reflect.InvocationTargetException 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) ... 32 more Caused by: java.lang.NullPointerException at org.datanucleus.plugin.NonManagedPluginRegistry.registerBundle(NonManagedPluginRegistry.java:443) at org.datanucleus.plugin.NonManagedPluginRegistry.registerBundle(NonManagedPluginRegistry.java:355) at org.datanucleus.plugin.NonManagedPluginRegistry.registerExtensions(NonManagedPluginRegistry.java:215) at org.datanucleus.plugin.NonManagedPluginRegistry.registerExtensionPoints(NonManagedPluginRegistry.java:156) at org.datanucleus.plugin.PluginManager.registerExtensionPoints(PluginManager.java:82) at org.datanucleus.OMFContext.<init>(OMFContext.java:156) at org.datanucleus.OMFContext.<init>(OMFContext.java:137) at org.datanucleus.ObjectManagerFactoryImpl.initialiseOMFContext(ObjectManagerFactoryImpl.java:132) at org.datanucleus.jdo.JDOPersistenceManagerFactory.initialiseProperties(JDOPersistenceManagerFactory.java:363) at org.datanucleus.jdo.JDOPersistenceManagerFactory.<init>(JDOPersistenceManagerFactory.java:307) at org.datanucleus.jdo.JDOPersistenceManagerFactory.createPersistenceManagerFactory(JDOPersistenceManagerFactory.java:255) at org.datanucleus.jdo.JDOPersistenceManagerFactory.getPersistenceManagerFactory(JDOPersistenceManagerFactory.java:182) ... 40 more 2012-03-09 12:02:22,090 ERROR ql.Driver (SessionState.java:printError(365)) - FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask ________________________________________________________________________________ Keith Wiley kwi...@keithwiley.com keithwiley.com music.keithwiley.com "The easy confidence with which I know another man's religion is folly teaches me to suspect that my own is also." -- Mark Twain ________________________________________________________________________________