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Date: Thu, 11 Nov 2010 13:55:16 -0500 (EST)
From: "Paul Yang (JIRA)" <jira@apache.org>
To: hive-dev@hadoop.apache.org
Subject: [jira] Commented: (HIVE-1712) Migrating metadata from derby to
 mysql thrown NullPointerException
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    [ https://issues.apache.org/jira/browse/HIVE-1712?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12931132#action_12931132 ] 

Paul Yang commented on HIVE-1712:
---------------------------------

Committed. Thanks Jake! We'll add you as a contributor so we can assign this issue to you.

> Migrating metadata from derby to mysql thrown NullPointerException
> ------------------------------------------------------------------
>
>                 Key: HIVE-1712
>                 URL: https://issues.apache.org/jira/browse/HIVE-1712
>             Project: Hive
>          Issue Type: Bug
>          Components: Metastore
>    Affects Versions: 0.5.0, 0.6.0
>            Reporter: Jake Farrell
>             Fix For: 0.7.0
>
>         Attachments: hive-1712.patch, hive-1712_rebase.patch
>
>
> Exported derby data to csv, loaded data into mysql and ran hive query which worked in derby and got the following exception
> 2010-10-16 08:57:29,080 INFO  metastore.ObjectStore (ObjectStore.java:setConf(106)) - Initialized ObjectStore
> 2010-10-16 08:57:29,552 INFO  metastore.HiveMetaStore (HiveMetaStore.java:logStartFunction(171)) - 0: get_table : db=default tbl=testimport
> 2010-10-16 08:57:30,140 ERROR metadata.Hive (Hive.java:getTable(395)) - java.lang.NullPointerException
>         at java.util.Hashtable.put(Hashtable.java:394)
>         at java.util.Hashtable.putAll(Hashtable.java:466)
>         at org.apache.hadoop.hive.metastore.MetaStoreUtils.getSchema(MetaStoreUtils.java:520)
>         at org.apache.hadoop.hive.metastore.MetaStoreUtils.getSchema(MetaStoreUtils.java:489)
>         at org.apache.hadoop.hive.ql.metadata.Hive.getTable(Hive.java:381)
>         at org.apache.hadoop.hive.ql.metadata.Hive.getTable(Hive.java:333)
>         at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.getMetaData(SemanticAnalyzer.java:683)
>         at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:5200)
>         at org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:105)
>         at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:275)
>         at org.apache.hadoop.hive.ql.Driver.runCommand(Driver.java:320)
>         at org.apache.hadoop.hive.ql.Driver.run(Driver.java:312)
>         at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:123)
>         at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:181)
>         at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:287)
>         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)

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