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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
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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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