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https://issues.apache.org/jira/browse/HIVE-3392?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13453714#comment-13453714
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Namit Jain commented on HIVE-3392:
----------------------------------
comments
[~ajeshpg], please mark 'submit patch' when you are done with the changes and
want others to review
> Hive unnecessarily validates table SerDes when dropping a table
> ---------------------------------------------------------------
>
> Key: HIVE-3392
> URL: https://issues.apache.org/jira/browse/HIVE-3392
> Project: Hive
> Issue Type: Bug
> Affects Versions: 0.9.0
> Reporter: Jonathan Natkins
> Assignee: Ajesh Kumar
> Labels: patch
> Attachments: HIVE-3392.1.patch.txt
>
>
> natty@hadoop1:~$ hive
> hive> add jar
> /home/natty/source/sample-code/custom-serdes/target/custom-serdes-1.0-SNAPSHOT.jar;
> Added
> /home/natty/source/sample-code/custom-serdes/target/custom-serdes-1.0-SNAPSHOT.jar
> to class path
> Added resource:
> /home/natty/source/sample-code/custom-serdes/target/custom-serdes-1.0-SNAPSHOT.jar
> hive> create table test (a int) row format serde 'hive.serde.JSONSerDe';
>
> OK
> Time taken: 2.399 seconds
> natty@hadoop1:~$ hive
> hive> drop table test;
>
> FAILED: Hive Internal Error:
> java.lang.RuntimeException(MetaException(message:org.apache.hadoop.hive.serde2.SerDeException
> SerDe hive.serde.JSONSerDe does not exist))
> java.lang.RuntimeException:
> MetaException(message:org.apache.hadoop.hive.serde2.SerDeException SerDe
> hive.serde.JSONSerDe does not exist)
> at
> org.apache.hadoop.hive.ql.metadata.Table.getDeserializerFromMetaStore(Table.java:262)
> at
> org.apache.hadoop.hive.ql.metadata.Table.getDeserializer(Table.java:253)
> at org.apache.hadoop.hive.ql.metadata.Table.getCols(Table.java:490)
> at
> org.apache.hadoop.hive.ql.metadata.Table.checkValidity(Table.java:162)
> at org.apache.hadoop.hive.ql.metadata.Hive.getTable(Hive.java:943)
> at
> org.apache.hadoop.hive.ql.parse.DDLSemanticAnalyzer.analyzeDropTable(DDLSemanticAnalyzer.java:700)
> at
> org.apache.hadoop.hive.ql.parse.DDLSemanticAnalyzer.analyzeInternal(DDLSemanticAnalyzer.java:210)
> at
> org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:243)
> at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:430)
> at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:337)
> at org.apache.hadoop.hive.ql.Driver.run(Driver.java:889)
> 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:208)
> Caused by: MetaException(message:org.apache.hadoop.hive.serde2.SerDeException
> SerDe com.cloudera.hive.serde.JSONSerDe does not exist)
> at
> org.apache.hadoop.hive.metastore.MetaStoreUtils.getDeserializer(MetaStoreUtils.java:211)
> at
> org.apache.hadoop.hive.ql.metadata.Table.getDeserializerFromMetaStore(Table.java:260)
> ... 20 more
> hive> add jar
> /home/natty/source/sample-code/custom-serdes/target/custom-serdes-1.0-SNAPSHOT.jar;
> Added
> /home/natty/source/sample-code/custom-serdes/target/custom-serdes-1.0-SNAPSHOT.jar
> to class path
> Added resource:
> /home/natty/source/sample-code/custom-serdes/target/custom-serdes-1.0-SNAPSHOT.jar
> hive> drop table test;
> OK
> Time taken: 0.658 seconds
> hive>
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