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From "Sushanth Sowmyan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-2800) NPE in "create index" without comment clause in external metastore
Date Thu, 07 Jun 2012 21:52:23 GMT

    [ https://issues.apache.org/jira/browse/HIVE-2800?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13291347#comment-13291347
] 

Sushanth Sowmyan commented on HIVE-2800:
----------------------------------------

Hmm, actually, the problem does go deeper than that. We'd have the same issue if a user were
to set one of the parameter values as null. We'd fix this issue by this patch, but only to
hit it again with other user code.
                
> NPE in "create index" without comment clause in external metastore
> ------------------------------------------------------------------
>
>                 Key: HIVE-2800
>                 URL: https://issues.apache.org/jira/browse/HIVE-2800
>             Project: Hive
>          Issue Type: Bug
>          Components: Metastore
>    Affects Versions: 0.7.1, 0.8.1, 0.9.0
>            Reporter: Daniel Dai
>            Assignee: Sushanth Sowmyan
>            Priority: Minor
>
> This happens only when using external metastore (with --hiveconf hive.metastore.uris=thrift://localhost:8088
--hiveconf hive.metastore.local=false). Also if I gave a comment in the statement, this exception
go away.
> Here is the statement:
> create index test111 on table hcat_test(name) as 'compact' with deferred rebuild;
> Here is the stack:
> 2012-02-10 17:07:42,612 ERROR exec.Task (SessionState.java:printError(380)) - FAILED:
Error in metadata: java.lang.NullPointerException
> org.apache.hadoop.hive.ql.metadata.HiveException: java.lang.NullPointerException
>         at org.apache.hadoop.hive.ql.metadata.Hive.createIndex(Hive.java:725)
>         at org.apache.hadoop.hive.ql.exec.DDLTask.createIndex(DDLTask.java:822)
>         at org.apache.hadoop.hive.ql.exec.DDLTask.execute(DDLTask.java:231)
>         at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:134)
>         at org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:57)
>         at org.apache.hadoop.hive.ql.Driver.launchTask(Driver.java:1291)
>         at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:1082)
>         at org.apache.hadoop.hive.ql.Driver.run(Driver.java:933)
>         at org.apache.hadoop.hive.cli.CliDriver.processLocalCmd(CliDriver.java:255)
>         at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:212)
>         at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:403)
>         at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:671)
>         at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:554)
>         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:156)
> Caused by: java.lang.NullPointerException
>         at org.apache.thrift.protocol.TBinaryProtocol.writeString(TBinaryProtocol.java:185)
>         at org.apache.hadoop.hive.metastore.api.Index.write(Index.java:1032)
>         at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$add_index_args.write(ThriftHiveMetastore.java:47518)
>         at org.apache.thrift.TServiceClient.sendBase(TServiceClient.java:63)
>         at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Client.send_add_index(ThriftHiveMetastore.java:1675)
>         at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Client.add_index(ThriftHiveMetastore.java:1666)
>         at org.apache.hadoop.hive.metastore.HiveMetaStoreClient.createIndex(HiveMetaStoreClient.java:853)
>         at org.apache.hadoop.hive.ql.metadata.Hive.createIndex(Hive.java:722)
>         ... 17 more

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