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Posted to user@hive.apache.org by Bill Graham <bi...@gmail.com> on 2009/08/05 19:19:24 UTC

Errors creating MySQL metastore

Hi,

I'm trying to set up a MySQL metastore for Hive and I'm getting the
exceptions shown below. If anyone could shed some insight as to why this is
happening, it would be greatly appreciated.

My hive-sites.xml is also attached below. This is how it looks when I start
the Hive client with an empty db. The schema gets created, but the errors
attached below appear. After the db is created I change
datanucleus.autoCreateSchema to false before restarting the client. The same
errors appear whenever I restart the client and run "show tables", which
takes about 30 seconds to complete.

Any ideas how to fix this? I've experimented with many combinations of
datanucleus.autoCreateColumns and datanucleus.identifier.case, but nothing
makes a difference.

<property>
    <name>hive.metastore.local</name>
    <value>true</value>
  </property>

  <property>
    <name>javax.jdo.option.ConnectionURL</name>
    <value>jdbc:mysql://xxxxx:11000/hive</value>
  </property>

  <property>
    <name>javax.jdo.option.ConnectionDriverName</name>
    <value>com.mysql.jdbc.Driver</value>
  </property>

  <property>
    <name>javax.jdo.option.ConnectionUserName</name>
    <value>xxxx</value>
  </property>

  <property>
    <name>javax.jdo.option.ConnectionPassword</name>
    <value>xxxx</value>
  </property>

  <property>
    <name>datanucleus.autoCreateSchema</name>
    <value>true</value>
  </property>


2009-08-05 10:05:46,543 ERROR Datastore.Schema (Log4JLogger.java:error(115))
- Failed to validate SchemaTable for Schema "". Either it doesnt exist, or
doesnt validate : Required columns missing from table "NUCLEUS_TABLES" :
`TABLE_NAME`, VERSION, CLASS_NAME, INTERFACE_NAME, OWNER, `TYPE`. Perhaps
your MetaData is incorrect, or you havent enabled
"datanucleus.autoCreateColumns".
Required columns missing from table "NUCLEUS_TABLES" : `TABLE_NAME`,
VERSION, CLASS_NAME, INTERFACE_NAME, OWNER, `TYPE`. Perhaps your MetaData is
incorrect, or you havent enabled "datanucleus.autoCreateColumns".
org.datanucleus.store.rdbms.exceptions.MissingColumnException: Required
columns missing from table "NUCLEUS_TABLES" : `TABLE_NAME`, VERSION,
CLASS_NAME, INTERFACE_NAME, OWNER, `TYPE`. Perhaps your MetaData is
incorrect, or you havent enabled "datanucleus.autoCreateColumns".
        at
org.datanucleus.store.rdbms.table.TableImpl.validateColumns(TableImpl.java:280)
        at
org.datanucleus.store.rdbms.table.TableImpl.validate(TableImpl.java:173)
        at
org.datanucleus.store.rdbms.SchemaAutoStarter.<init>(SchemaAutoStarter.java:101)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
Method)
        at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
        at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
        at
org.datanucleus.plugin.NonManagedPluginRegistry.createExecutableExtension(NonManagedPluginRegistry.java:576)
        at
org.datanucleus.plugin.PluginManager.createExecutableExtension(PluginManager.java:300)
        at
org.datanucleus.store.AbstractStoreManager.initialiseAutoStart(AbstractStoreManager.java:486)
        at
org.datanucleus.store.rdbms.RDBMSManager.initialiseSchema(RDBMSManager.java:821)
        at
org.datanucleus.store.rdbms.RDBMSManager.<init>(RDBMSManager.java:394)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
Method)
        at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
        at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
        at
org.datanucleus.plugin.NonManagedPluginRegistry.createExecutableExtension(NonManagedPluginRegistry.java:576)
        at
org.datanucleus.plugin.PluginManager.createExecutableExtension(PluginManager.java:300)
        at
org.datanucleus.store.FederationManager.initialiseStoreManager(FederationManager.java:106)
        at
org.datanucleus.store.FederationManager.<init>(FederationManager.java:68)
        at
org.datanucleus.ObjectManagerFactoryImpl.initialiseStoreManager(ObjectManagerFactoryImpl.java:152)
        at
org.datanucleus.jdo.JDOPersistenceManagerFactory.freezeConfiguration(JDOPersistenceManagerFactory.java:529)
        at
org.datanucleus.jdo.JDOPersistenceManagerFactory.getPersistenceManagerFactory(JDOPersistenceManagerFactory.java:175)
        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$16.run(JDOHelper.java:1956)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.jdo.JDOHelper.invoke(JDOHelper.java:1951)
        at
javax.jdo.JDOHelper.invokeGetPersistenceManagerFactoryOnImplementation(JDOHelper.java:1159)
        at
javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java:803)
        at
javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java:698)
        at
org.apache.hadoop.hive.metastore.ObjectStore.getPMF(ObjectStore.java:161)
        at
org.apache.hadoop.hive.metastore.ObjectStore.getPersistenceManager(ObjectStore.java:178)
        at
org.apache.hadoop.hive.metastore.ObjectStore.initialize(ObjectStore.java:122)
        at
org.apache.hadoop.hive.metastore.ObjectStore.setConf(ObjectStore.java:101)
        at
org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:54)
        at
org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:82)
        at
org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.getMS(HiveMetaStore.java:129)
        at
org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.createDefaultDB(HiveMetaStore.java:145)
        at
org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.init(HiveMetaStore.java:117)
        at
org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.<init>(HiveMetaStore.java:99)
        at
org.apache.hadoop.hive.metastore.HiveMetaStoreClient.<init>(HiveMetaStoreClient.java:72)
        at
org.apache.hadoop.hive.ql.metadata.Hive.createMetaStoreClient(Hive.java:775)
        at org.apache.hadoop.hive.ql.metadata.Hive.getMSC(Hive.java:786)
        at
org.apache.hadoop.hive.ql.metadata.Hive.getTablesByPattern(Hive.java:398)
        at
org.apache.hadoop.hive.ql.metadata.Hive.getAllTables(Hive.java:387)
        at
org.apache.hadoop.hive.ql.exec.DDLTask.showTables(DDLTask.java:347)
        at org.apache.hadoop.hive.ql.exec.DDLTask.execute(DDLTask.java:138)
        at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:357)
        at org.apache.hadoop.hive.ql.Driver.run(Driver.java:263)
        at
org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:122)
        at
org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:173)
        at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:266)
        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:155)
        at org.apache.hadoop.mapred.JobShell.run(JobShell.java:54)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
        at org.apache.hadoop.mapred.JobShell.main(JobShell.java:68)


thanks,
Bill

Re: Errors creating MySQL metastore

Posted by Bill Graham <bi...@gmail.com>.
That's the current (i.e. default) setting in my hive-default.xml file and I
have autoCreate* set to false and I still see this error.

On Wed, Aug 5, 2009 at 11:17 AM, Prasad Chakka <pc...@facebook.com> wrote:

>  Ok then add this (after schema has been created) and set all autoCreate*
> to false.
>
> <property>
>   <name>datanucleus.storeManagerType</name>
>   <value>rdbms</value>
>   <description>metadata store type</description>
> </property>
>
>
> ------------------------------
> *From: *Bill Graham <bi...@gmail.com>
> *Reply-To: *<bi...@gmail.com>
> *Date: *Wed, 5 Aug 2009 11:13:41 -0700
> *To: *Prasad Chakka <pc...@facebook.com>
> *Cc: *<hi...@hadoop.apache.org>
> *Subject: *Re: Errors creating MySQL metastore
>
> Yes, I'm using the latest hive-default.xml. What I'm showing is just the
> contents of my hive-sites.xml.
>
> The NUCLEUS_TABLES and all of it's columns listed in the exception exists
> in the DB, which is what's puzzling me.
>
> On Wed, Aug 5, 2009 at 10:51 AM, Prasad Chakka <pc...@facebook.com>
> wrote:
>
> Are you using the latest hive-default.xml? It should contain more
> datanucleus properties than below. It is looking for a table called
> ‘NUCLEUS_TABLES’ which contains list of tables that got created when the
> original schema was created.
>
> Prasad
>
> ------------------------------
> *From: *Bill Graham <billgraham@gmail.com <ht...@gmail.com> >
> *Reply-To: *<hive-user@hadoop.apache.org <
> http://hive-user@hadoop.apache.org> >, <billgraham@gmail.com <
> http://billgraham@gmail.com> >
> *Date: *Wed, 5 Aug 2009 10:19:24 -0700
> *To: *<hive-user@hadoop.apache.org <ht...@hadoop.apache.org> >
>
> *Subject: *Errors creating MySQL metastore
>
>
> Hi,
>
> I'm trying to set up a MySQL metastore for Hive and I'm getting the
> exceptions shown below. If anyone could shed some insight as to why this is
> happening, it would be greatly appreciated.
>
> My hive-sites.xml is also attached below. This is how it looks when I start
> the Hive client with an empty db. The schema gets created, but the errors
> attached below appear. After the db is created I change
> datanucleus.autoCreateSchema to false before restarting the client. The same
> errors appear whenever I restart the client and run "show tables", which
> takes about 30 seconds to complete.
>
> Any ideas how to fix this? I've experimented with many combinations of
> datanucleus.autoCreateColumns and datanucleus.identifier.case, but nothing
> makes a difference.
>
> <property>
>     <name>hive.metastore.local</name>
>     <value>true</value>
>   </property>
>
>   <property>
>     <name>javax.jdo.option.ConnectionURL</name>
>     <value>jdbc:mysql://xxxxx:11000/hive</value>
>   </property>
>
>   <property>
>     <name>javax.jdo.option.ConnectionDriverName</name>
>     <value>com.mysql.jdbc.Driver</value>
>   </property>
>
>   <property>
>     <name>javax.jdo.option.ConnectionUserName</name>
>     <value>xxxx</value>
>   </property>
>
>   <property>
>     <name>javax.jdo.option.ConnectionPassword</name>
>     <value>xxxx</value>
>   </property>
>
>   <property>
>     <name>datanucleus.autoCreateSchema</name>
>     <value>true</value>
>   </property>
>
>
> 2009-08-05 10:05:46,543 ERROR Datastore.Schema
> (Log4JLogger.java:error(115)) - Failed to validate SchemaTable for Schema
> "". Either it doesnt exist, or doesnt validate : Required columns missing
> from table "NUCLEUS_TABLES" : `TABLE_NAME`, VERSION, CLASS_NAME,
> INTERFACE_NAME, OWNER, `TYPE`. Perhaps your MetaData is incorrect, or you
> havent enabled "datanucleus.autoCreateColumns".
> Required columns missing from table "NUCLEUS_TABLES" : `TABLE_NAME`,
> VERSION, CLASS_NAME, INTERFACE_NAME, OWNER, `TYPE`. Perhaps your MetaData is
> incorrect, or you havent enabled "datanucleus.autoCreateColumns".
> org.datanucleus.store.rdbms.exceptions.MissingColumnException: Required
> columns missing from table "NUCLEUS_TABLES" : `TABLE_NAME`, VERSION,
> CLASS_NAME, INTERFACE_NAME, OWNER, `TYPE`. Perhaps your MetaData is
> incorrect, or you havent enabled "datanucleus.autoCreateColumns".
>         at
> org.datanucleus.store.rdbms.table.TableImpl.validateColumns(TableImpl.java:280)
>         at
> org.datanucleus.store.rdbms.table.TableImpl.validate(TableImpl.java:173)
>         at
> org.datanucleus.store.rdbms.SchemaAutoStarter.<init>(SchemaAutoStarter.java:101)
>         at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
> Method)
>         at
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
>         at
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
>         at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
>         at
> org.datanucleus.plugin.NonManagedPluginRegistry.createExecutableExtension(NonManagedPluginRegistry.java:576)
>         at
> org.datanucleus.plugin.PluginManager.createExecutableExtension(PluginManager.java:300)
>         at
> org.datanucleus.store.AbstractStoreManager.initialiseAutoStart(AbstractStoreManager.java:486)
>         at
> org.datanucleus.store.rdbms.RDBMSManager.initialiseSchema(RDBMSManager.java:821)
>         at
> org.datanucleus.store.rdbms.RDBMSManager.<init>(RDBMSManager.java:394)
>         at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
> Method)
>         at
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
>         at
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
>         at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
>         at
> org.datanucleus.plugin.NonManagedPluginRegistry.createExecutableExtension(NonManagedPluginRegistry.java:576)
>         at
> org.datanucleus.plugin.PluginManager.createExecutableExtension(PluginManager.java:300)
>         at
> org.datanucleus.store.FederationManager.initialiseStoreManager(FederationManager.java:106)
>         at
> org.datanucleus.store.FederationManager.<init>(FederationManager.java:68)
>         at
> org.datanucleus.ObjectManagerFactoryImpl.initialiseStoreManager(ObjectManagerFactoryImpl.java:152)
>         at
> org.datanucleus.jdo.JDOPersistenceManagerFactory.freezeConfiguration(JDOPersistenceManagerFactory.java:529)
>         at
> org.datanucleus.jdo.JDOPersistenceManagerFactory.getPersistenceManagerFactory(JDOPersistenceManagerFactory.java:175)
>         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$16.run(JDOHelper.java:1956)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at javax.jdo.JDOHelper.invoke(JDOHelper.java:1951)
>         at
> javax.jdo.JDOHelper.invokeGetPersistenceManagerFactoryOnImplementation(JDOHelper.java:1159)
>         at
> javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java:803)
>         at
> javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java:698)
>         at
> org.apache.hadoop.hive.metastore.ObjectStore.getPMF(ObjectStore.java:161)
>         at
> org.apache.hadoop.hive.metastore.ObjectStore.getPersistenceManager(ObjectStore.java:178)
>         at
> org.apache.hadoop.hive.metastore.ObjectStore.initialize(ObjectStore.java:122)
>         at
> org.apache.hadoop.hive.metastore.ObjectStore.setConf(ObjectStore.java:101)
>         at
> org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:54)
>         at
> org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:82)
>         at
> org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.getMS(HiveMetaStore.java:129)
>         at
> org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.createDefaultDB(HiveMetaStore.java:145)
>         at
> org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.init(HiveMetaStore.java:117)
>         at
> org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.<init>(HiveMetaStore.java:99)
>         at
> org.apache.hadoop.hive.metastore.HiveMetaStoreClient.<init>(HiveMetaStoreClient.java:72)
>         at
> org.apache.hadoop.hive.ql.metadata.Hive.createMetaStoreClient(Hive.java:775)
>         at org.apache.hadoop.hive.ql.metadata.Hive.getMSC(Hive.java:786)
>         at
> org.apache.hadoop.hive.ql.metadata.Hive.getTablesByPattern(Hive.java:398)
>         at
> org.apache.hadoop.hive.ql.metadata.Hive.getAllTables(Hive.java:387)
>         at
> org.apache.hadoop.hive.ql.exec.DDLTask.showTables(DDLTask.java:347)
>         at org.apache.hadoop.hive.ql.exec.DDLTask.execute(DDLTask.java:138)
>         at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:357)
>         at org.apache.hadoop.hive.ql.Driver.run(Driver.java:263)
>         at
> org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:122)
>         at
> org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:173)
>         at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:266)
>         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:155)
>         at org.apache.hadoop.mapred.JobShell.run(JobShell.java:54)
>         at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
>         at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
>         at org.apache.hadoop.mapred.JobShell.main(JobShell.java:68)
>
>
> thanks,
> Bill
>
>
>
>

Re: Errors creating MySQL metastore

Posted by Prasad Chakka <pc...@facebook.com>.
Ok then add this (after schema has been created) and set all autoCreate* to false.

<property>
  <name>datanucleus.storeManagerType</name>
  <value>rdbms</value>
  <description>metadata store type</description>
</property>


________________________________
From: Bill Graham <bi...@gmail.com>
Reply-To: <bi...@gmail.com>
Date: Wed, 5 Aug 2009 11:13:41 -0700
To: Prasad Chakka <pc...@facebook.com>
Cc: <hi...@hadoop.apache.org>
Subject: Re: Errors creating MySQL metastore

Yes, I'm using the latest hive-default.xml. What I'm showing is just the contents of my hive-sites.xml.

The NUCLEUS_TABLES and all of it's columns listed in the exception exists in the DB, which is what's puzzling me.

On Wed, Aug 5, 2009 at 10:51 AM, Prasad Chakka <pc...@facebook.com> wrote:
Are you using the latest hive-default.xml? It should contain more datanucleus properties than below. It is looking for a table called 'NUCLEUS_TABLES' which contains list of tables that got created when the original schema was created.

Prasad

________________________________
From: Bill Graham <billgraham@gmail.com <ht...@gmail.com> >
Reply-To: <hive-user@hadoop.apache.org <ht...@hadoop.apache.org> >, <billgraham@gmail.com <ht...@gmail.com> >
Date: Wed, 5 Aug 2009 10:19:24 -0700
To: <hive-user@hadoop.apache.org <ht...@hadoop.apache.org> >
Subject: Errors creating MySQL metastore


Hi,

I'm trying to set up a MySQL metastore for Hive and I'm getting the exceptions shown below. If anyone could shed some insight as to why this is happening, it would be greatly appreciated.

My hive-sites.xml is also attached below. This is how it looks when I start the Hive client with an empty db. The schema gets created, but the errors attached below appear. After the db is created I change datanucleus.autoCreateSchema to false before restarting the client. The same errors appear whenever I restart the client and run "show tables", which takes about 30 seconds to complete.

Any ideas how to fix this? I've experimented with many combinations of datanucleus.autoCreateColumns and datanucleus.identifier.case, but nothing makes a difference.

<property>
    <name>hive.metastore.local</name>
    <value>true</value>
  </property>

  <property>
    <name>javax.jdo.option.ConnectionURL</name>
    <value>jdbc:mysql://xxxxx:11000/hive</value>
  </property>

  <property>
    <name>javax.jdo.option.ConnectionDriverName</name>
    <value>com.mysql.jdbc.Driver</value>
  </property>

  <property>
    <name>javax.jdo.option.ConnectionUserName</name>
    <value>xxxx</value>
  </property>

  <property>
    <name>javax.jdo.option.ConnectionPassword</name>
    <value>xxxx</value>
  </property>

  <property>
    <name>datanucleus.autoCreateSchema</name>
    <value>true</value>
  </property>


2009-08-05 10:05:46,543 ERROR Datastore.Schema (Log4JLogger.java:error(115)) - Failed to validate SchemaTable for Schema "". Either it doesnt exist, or doesnt validate : Required columns missing from table "NUCLEUS_TABLES" : `TABLE_NAME`, VERSION, CLASS_NAME, INTERFACE_NAME, OWNER, `TYPE`. Perhaps your MetaData is incorrect, or you havent enabled "datanucleus.autoCreateColumns".
Required columns missing from table "NUCLEUS_TABLES" : `TABLE_NAME`, VERSION, CLASS_NAME, INTERFACE_NAME, OWNER, `TYPE`. Perhaps your MetaData is incorrect, or you havent enabled "datanucleus.autoCreateColumns".
org.datanucleus.store.rdbms.exceptions.MissingColumnException: Required columns missing from table "NUCLEUS_TABLES" : `TABLE_NAME`, VERSION, CLASS_NAME, INTERFACE_NAME, OWNER, `TYPE`. Perhaps your MetaData is incorrect, or you havent enabled "datanucleus.autoCreateColumns".
        at org.datanucleus.store.rdbms.table.TableImpl.validateColumns(TableImpl.java:280)
        at org.datanucleus.store.rdbms.table.TableImpl.validate(TableImpl.java:173)
        at org.datanucleus.store.rdbms.SchemaAutoStarter.<init>(SchemaAutoStarter.java:101)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
        at org.datanucleus.plugin.NonManagedPluginRegistry.createExecutableExtension(NonManagedPluginRegistry.java:576)
        at org.datanucleus.plugin.PluginManager.createExecutableExtension(PluginManager.java:300)
        at org.datanucleus.store.AbstractStoreManager.initialiseAutoStart(AbstractStoreManager.java:486)
        at org.datanucleus.store.rdbms.RDBMSManager.initialiseSchema(RDBMSManager.java:821)
        at org.datanucleus.store.rdbms.RDBMSManager.<init>(RDBMSManager.java:394)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
        at org.datanucleus.plugin.NonManagedPluginRegistry.createExecutableExtension(NonManagedPluginRegistry.java:576)
        at org.datanucleus.plugin.PluginManager.createExecutableExtension(PluginManager.java:300)
        at org.datanucleus.store.FederationManager.initialiseStoreManager(FederationManager.java:106)
        at org.datanucleus.store.FederationManager.<init>(FederationManager.java:68)
        at org.datanucleus.ObjectManagerFactoryImpl.initialiseStoreManager(ObjectManagerFactoryImpl.java:152)
        at org.datanucleus.jdo.JDOPersistenceManagerFactory.freezeConfiguration(JDOPersistenceManagerFactory.java:529)
        at org.datanucleus.jdo.JDOPersistenceManagerFactory.getPersistenceManagerFactory(JDOPersistenceManagerFactory.java:175)
        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$16.run(JDOHelper.java:1956)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.jdo.JDOHelper.invoke(JDOHelper.java:1951)
        at javax.jdo.JDOHelper.invokeGetPersistenceManagerFactoryOnImplementation(JDOHelper.java:1159)
        at javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java:803)
        at javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java:698)
        at org.apache.hadoop.hive.metastore.ObjectStore.getPMF(ObjectStore.java:161)
        at org.apache.hadoop.hive.metastore.ObjectStore.getPersistenceManager(ObjectStore.java:178)
        at org.apache.hadoop.hive.metastore.ObjectStore.initialize(ObjectStore.java:122)
        at org.apache.hadoop.hive.metastore.ObjectStore.setConf(ObjectStore.java:101)
        at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:54)
        at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:82)
        at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.getMS(HiveMetaStore.java:129)
        at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.createDefaultDB(HiveMetaStore.java:145)
        at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.init(HiveMetaStore.java:117)
        at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.<init>(HiveMetaStore.java:99)
        at org.apache.hadoop.hive.metastore.HiveMetaStoreClient.<init>(HiveMetaStoreClient.java:72)
        at org.apache.hadoop.hive.ql.metadata.Hive.createMetaStoreClient(Hive.java:775)
        at org.apache.hadoop.hive.ql.metadata.Hive.getMSC(Hive.java:786)
        at org.apache.hadoop.hive.ql.metadata.Hive.getTablesByPattern(Hive.java:398)
        at org.apache.hadoop.hive.ql.metadata.Hive.getAllTables(Hive.java:387)
        at org.apache.hadoop.hive.ql.exec.DDLTask.showTables(DDLTask.java:347)
        at org.apache.hadoop.hive.ql.exec.DDLTask.execute(DDLTask.java:138)
        at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:357)
        at org.apache.hadoop.hive.ql.Driver.run(Driver.java:263)
        at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:122)
        at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:173)
        at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:266)
        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:155)
        at org.apache.hadoop.mapred.JobShell.run(JobShell.java:54)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
        at org.apache.hadoop.mapred.JobShell.main(JobShell.java:68)


thanks,
Bill




Re: Errors creating MySQL metastore

Posted by Bill Graham <bi...@gmail.com>.
Yes, I'm using the latest hive-default.xml. What I'm showing is just the
contents of my hive-sites.xml.

The NUCLEUS_TABLES and all of it's columns listed in the exception exists in
the DB, which is what's puzzling me.

On Wed, Aug 5, 2009 at 10:51 AM, Prasad Chakka <pc...@facebook.com> wrote:

>  Are you using the latest hive-default.xml? It should contain more
> datanucleus properties than below. It is looking for a table called
> ‘NUCLEUS_TABLES’ which contains list of tables that got created when the
> original schema was created.
>
> Prasad
>
> ------------------------------
> *From: *Bill Graham <bi...@gmail.com>
> *Reply-To: *<hi...@hadoop.apache.org>, <bi...@gmail.com>
> *Date: *Wed, 5 Aug 2009 10:19:24 -0700
> *To: *<hi...@hadoop.apache.org>
> *Subject: *Errors creating MySQL metastore
>
>
> Hi,
>
> I'm trying to set up a MySQL metastore for Hive and I'm getting the
> exceptions shown below. If anyone could shed some insight as to why this is
> happening, it would be greatly appreciated.
>
> My hive-sites.xml is also attached below. This is how it looks when I start
> the Hive client with an empty db. The schema gets created, but the errors
> attached below appear. After the db is created I change
> datanucleus.autoCreateSchema to false before restarting the client. The same
> errors appear whenever I restart the client and run "show tables", which
> takes about 30 seconds to complete.
>
> Any ideas how to fix this? I've experimented with many combinations of
> datanucleus.autoCreateColumns and datanucleus.identifier.case, but nothing
> makes a difference.
>
> <property>
>     <name>hive.metastore.local</name>
>     <value>true</value>
>   </property>
>
>   <property>
>     <name>javax.jdo.option.ConnectionURL</name>
>     <value>jdbc:mysql://xxxxx:11000/hive</value>
>   </property>
>
>   <property>
>     <name>javax.jdo.option.ConnectionDriverName</name>
>     <value>com.mysql.jdbc.Driver</value>
>   </property>
>
>   <property>
>     <name>javax.jdo.option.ConnectionUserName</name>
>     <value>xxxx</value>
>   </property>
>
>   <property>
>     <name>javax.jdo.option.ConnectionPassword</name>
>     <value>xxxx</value>
>   </property>
>
>   <property>
>     <name>datanucleus.autoCreateSchema</name>
>     <value>true</value>
>   </property>
>
>
> 2009-08-05 10:05:46,543 ERROR Datastore.Schema
> (Log4JLogger.java:error(115)) - Failed to validate SchemaTable for Schema
> "". Either it doesnt exist, or doesnt validate : Required columns missing
> from table "NUCLEUS_TABLES" : `TABLE_NAME`, VERSION, CLASS_NAME,
> INTERFACE_NAME, OWNER, `TYPE`. Perhaps your MetaData is incorrect, or you
> havent enabled "datanucleus.autoCreateColumns".
> Required columns missing from table "NUCLEUS_TABLES" : `TABLE_NAME`,
> VERSION, CLASS_NAME, INTERFACE_NAME, OWNER, `TYPE`. Perhaps your MetaData is
> incorrect, or you havent enabled "datanucleus.autoCreateColumns".
> org.datanucleus.store.rdbms.exceptions.MissingColumnException: Required
> columns missing from table "NUCLEUS_TABLES" : `TABLE_NAME`, VERSION,
> CLASS_NAME, INTERFACE_NAME, OWNER, `TYPE`. Perhaps your MetaData is
> incorrect, or you havent enabled "datanucleus.autoCreateColumns".
>         at
> org.datanucleus.store.rdbms.table.TableImpl.validateColumns(TableImpl.java:280)
>         at
> org.datanucleus.store.rdbms.table.TableImpl.validate(TableImpl.java:173)
>         at
> org.datanucleus.store.rdbms.SchemaAutoStarter.<init>(SchemaAutoStarter.java:101)
>         at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
> Method)
>         at
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
>         at
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
>         at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
>         at
> org.datanucleus.plugin.NonManagedPluginRegistry.createExecutableExtension(NonManagedPluginRegistry.java:576)
>         at
> org.datanucleus.plugin.PluginManager.createExecutableExtension(PluginManager.java:300)
>         at
> org.datanucleus.store.AbstractStoreManager.initialiseAutoStart(AbstractStoreManager.java:486)
>         at
> org.datanucleus.store.rdbms.RDBMSManager.initialiseSchema(RDBMSManager.java:821)
>         at
> org.datanucleus.store.rdbms.RDBMSManager.<init>(RDBMSManager.java:394)
>         at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
> Method)
>         at
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
>         at
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
>         at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
>         at
> org.datanucleus.plugin.NonManagedPluginRegistry.createExecutableExtension(NonManagedPluginRegistry.java:576)
>         at
> org.datanucleus.plugin.PluginManager.createExecutableExtension(PluginManager.java:300)
>         at
> org.datanucleus.store.FederationManager.initialiseStoreManager(FederationManager.java:106)
>         at
> org.datanucleus.store.FederationManager.<init>(FederationManager.java:68)
>         at
> org.datanucleus.ObjectManagerFactoryImpl.initialiseStoreManager(ObjectManagerFactoryImpl.java:152)
>         at
> org.datanucleus.jdo.JDOPersistenceManagerFactory.freezeConfiguration(JDOPersistenceManagerFactory.java:529)
>         at
> org.datanucleus.jdo.JDOPersistenceManagerFactory.getPersistenceManagerFactory(JDOPersistenceManagerFactory.java:175)
>         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$16.run(JDOHelper.java:1956)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at javax.jdo.JDOHelper.invoke(JDOHelper.java:1951)
>         at
> javax.jdo.JDOHelper.invokeGetPersistenceManagerFactoryOnImplementation(JDOHelper.java:1159)
>         at
> javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java:803)
>         at
> javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java:698)
>         at
> org.apache.hadoop.hive.metastore.ObjectStore.getPMF(ObjectStore.java:161)
>         at
> org.apache.hadoop.hive.metastore.ObjectStore.getPersistenceManager(ObjectStore.java:178)
>         at
> org.apache.hadoop.hive.metastore.ObjectStore.initialize(ObjectStore.java:122)
>         at
> org.apache.hadoop.hive.metastore.ObjectStore.setConf(ObjectStore.java:101)
>         at
> org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:54)
>         at
> org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:82)
>         at
> org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.getMS(HiveMetaStore.java:129)
>         at
> org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.createDefaultDB(HiveMetaStore.java:145)
>         at
> org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.init(HiveMetaStore.java:117)
>         at
> org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.<init>(HiveMetaStore.java:99)
>         at
> org.apache.hadoop.hive.metastore.HiveMetaStoreClient.<init>(HiveMetaStoreClient.java:72)
>         at
> org.apache.hadoop.hive.ql.metadata.Hive.createMetaStoreClient(Hive.java:775)
>         at org.apache.hadoop.hive.ql.metadata.Hive.getMSC(Hive.java:786)
>         at
> org.apache.hadoop.hive.ql.metadata.Hive.getTablesByPattern(Hive.java:398)
>         at
> org.apache.hadoop.hive.ql.metadata.Hive.getAllTables(Hive.java:387)
>         at
> org.apache.hadoop.hive.ql.exec.DDLTask.showTables(DDLTask.java:347)
>         at org.apache.hadoop.hive.ql.exec.DDLTask.execute(DDLTask.java:138)
>         at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:357)
>         at org.apache.hadoop.hive.ql.Driver.run(Driver.java:263)
>         at
> org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:122)
>         at
> org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:173)
>         at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:266)
>         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:155)
>         at org.apache.hadoop.mapred.JobShell.run(JobShell.java:54)
>         at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
>         at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
>         at org.apache.hadoop.mapred.JobShell.main(JobShell.java:68)
>
>
> thanks,
> Bill
>
>

Re: Errors creating MySQL metastore

Posted by Prasad Chakka <pc...@facebook.com>.
Are you using the latest hive-default.xml? It should contain more datanucleus properties than below. It is looking for a table called 'NUCLEUS_TABLES' which contains list of tables that got created when the original schema was created.

Prasad

________________________________
From: Bill Graham <bi...@gmail.com>
Reply-To: <hi...@hadoop.apache.org>, <bi...@gmail.com>
Date: Wed, 5 Aug 2009 10:19:24 -0700
To: <hi...@hadoop.apache.org>
Subject: Errors creating MySQL metastore

Hi,

I'm trying to set up a MySQL metastore for Hive and I'm getting the exceptions shown below. If anyone could shed some insight as to why this is happening, it would be greatly appreciated.

My hive-sites.xml is also attached below. This is how it looks when I start the Hive client with an empty db. The schema gets created, but the errors attached below appear. After the db is created I change datanucleus.autoCreateSchema to false before restarting the client. The same errors appear whenever I restart the client and run "show tables", which takes about 30 seconds to complete.

Any ideas how to fix this? I've experimented with many combinations of datanucleus.autoCreateColumns and datanucleus.identifier.case, but nothing makes a difference.

<property>
    <name>hive.metastore.local</name>
    <value>true</value>
  </property>

  <property>
    <name>javax.jdo.option.ConnectionURL</name>
    <value>jdbc:mysql://xxxxx:11000/hive</value>
  </property>

  <property>
    <name>javax.jdo.option.ConnectionDriverName</name>
    <value>com.mysql.jdbc.Driver</value>
  </property>

  <property>
    <name>javax.jdo.option.ConnectionUserName</name>
    <value>xxxx</value>
  </property>

  <property>
    <name>javax.jdo.option.ConnectionPassword</name>
    <value>xxxx</value>
  </property>

  <property>
    <name>datanucleus.autoCreateSchema</name>
    <value>true</value>
  </property>


2009-08-05 10:05:46,543 ERROR Datastore.Schema (Log4JLogger.java:error(115)) - Failed to validate SchemaTable for Schema "". Either it doesnt exist, or doesnt validate : Required columns missing from table "NUCLEUS_TABLES" : `TABLE_NAME`, VERSION, CLASS_NAME, INTERFACE_NAME, OWNER, `TYPE`. Perhaps your MetaData is incorrect, or you havent enabled "datanucleus.autoCreateColumns".
Required columns missing from table "NUCLEUS_TABLES" : `TABLE_NAME`, VERSION, CLASS_NAME, INTERFACE_NAME, OWNER, `TYPE`. Perhaps your MetaData is incorrect, or you havent enabled "datanucleus.autoCreateColumns".
org.datanucleus.store.rdbms.exceptions.MissingColumnException: Required columns missing from table "NUCLEUS_TABLES" : `TABLE_NAME`, VERSION, CLASS_NAME, INTERFACE_NAME, OWNER, `TYPE`. Perhaps your MetaData is incorrect, or you havent enabled "datanucleus.autoCreateColumns".
        at org.datanucleus.store.rdbms.table.TableImpl.validateColumns(TableImpl.java:280)
        at org.datanucleus.store.rdbms.table.TableImpl.validate(TableImpl.java:173)
        at org.datanucleus.store.rdbms.SchemaAutoStarter.<init>(SchemaAutoStarter.java:101)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
        at org.datanucleus.plugin.NonManagedPluginRegistry.createExecutableExtension(NonManagedPluginRegistry.java:576)
        at org.datanucleus.plugin.PluginManager.createExecutableExtension(PluginManager.java:300)
        at org.datanucleus.store.AbstractStoreManager.initialiseAutoStart(AbstractStoreManager.java:486)
        at org.datanucleus.store.rdbms.RDBMSManager.initialiseSchema(RDBMSManager.java:821)
        at org.datanucleus.store.rdbms.RDBMSManager.<init>(RDBMSManager.java:394)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
        at org.datanucleus.plugin.NonManagedPluginRegistry.createExecutableExtension(NonManagedPluginRegistry.java:576)
        at org.datanucleus.plugin.PluginManager.createExecutableExtension(PluginManager.java:300)
        at org.datanucleus.store.FederationManager.initialiseStoreManager(FederationManager.java:106)
        at org.datanucleus.store.FederationManager.<init>(FederationManager.java:68)
        at org.datanucleus.ObjectManagerFactoryImpl.initialiseStoreManager(ObjectManagerFactoryImpl.java:152)
        at org.datanucleus.jdo.JDOPersistenceManagerFactory.freezeConfiguration(JDOPersistenceManagerFactory.java:529)
        at org.datanucleus.jdo.JDOPersistenceManagerFactory.getPersistenceManagerFactory(JDOPersistenceManagerFactory.java:175)
        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$16.run(JDOHelper.java:1956)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.jdo.JDOHelper.invoke(JDOHelper.java:1951)
        at javax.jdo.JDOHelper.invokeGetPersistenceManagerFactoryOnImplementation(JDOHelper.java:1159)
        at javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java:803)
        at javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java:698)
        at org.apache.hadoop.hive.metastore.ObjectStore.getPMF(ObjectStore.java:161)
        at org.apache.hadoop.hive.metastore.ObjectStore.getPersistenceManager(ObjectStore.java:178)
        at org.apache.hadoop.hive.metastore.ObjectStore.initialize(ObjectStore.java:122)
        at org.apache.hadoop.hive.metastore.ObjectStore.setConf(ObjectStore.java:101)
        at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:54)
        at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:82)
        at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.getMS(HiveMetaStore.java:129)
        at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.createDefaultDB(HiveMetaStore.java:145)
        at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.init(HiveMetaStore.java:117)
        at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.<init>(HiveMetaStore.java:99)
        at org.apache.hadoop.hive.metastore.HiveMetaStoreClient.<init>(HiveMetaStoreClient.java:72)
        at org.apache.hadoop.hive.ql.metadata.Hive.createMetaStoreClient(Hive.java:775)
        at org.apache.hadoop.hive.ql.metadata.Hive.getMSC(Hive.java:786)
        at org.apache.hadoop.hive.ql.metadata.Hive.getTablesByPattern(Hive.java:398)
        at org.apache.hadoop.hive.ql.metadata.Hive.getAllTables(Hive.java:387)
        at org.apache.hadoop.hive.ql.exec.DDLTask.showTables(DDLTask.java:347)
        at org.apache.hadoop.hive.ql.exec.DDLTask.execute(DDLTask.java:138)
        at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:357)
        at org.apache.hadoop.hive.ql.Driver.run(Driver.java:263)
        at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:122)
        at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:173)
        at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:266)
        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:155)
        at org.apache.hadoop.mapred.JobShell.run(JobShell.java:54)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
        at org.apache.hadoop.mapred.JobShell.main(JobShell.java:68)


thanks,
Bill