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From "Brock Noland (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-4075) TypeInfoFactory is not thread safe and is access by multiple threads
Date Tue, 26 Feb 2013 21:16:12 GMT

     [ https://issues.apache.org/jira/browse/HIVE-4075?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Brock Noland updated HIVE-4075:
-------------------------------

    Issue Type: Sub-task  (was: Bug)
        Parent: HIVE-2935
    
> TypeInfoFactory is not thread safe and is access by multiple threads
> --------------------------------------------------------------------
>
>                 Key: HIVE-4075
>                 URL: https://issues.apache.org/jira/browse/HIVE-4075
>             Project: Hive
>          Issue Type: Sub-task
>    Affects Versions: 0.10.0
>            Reporter: Brock Noland
>         Attachments: HIVE-4075-0.patch
>
>
> TypeInfoFactory is not thread safe and when accessed by multiple threads calls to any
of the methods can modify hashmaps concurrently resulting in infinite loops.
> {noformat}
> "pool-1-thread-240" prio=10 tid=0x00002aabd8bf7000 nid=0x5f4a runnable [0x0000000044626000]

> java.lang.Thread.State: RUNNABLE 
> at java.util.HashMap.get(HashMap.java:303) 
> at org.apache.hadoop.hive.serde2.typeinfo.TypeInfoFactory.getStructTypeInfo(TypeInfoFactory.java:94)

> at org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe.initSerdeParams(LazySimpleSerDe.java:237)

> at org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe.initialize(LazySimpleSerDe.java:182)

> at org.apache.hadoop.hive.metastore.MetaStoreUtils.getDeserializer(MetaStoreUtils.java:203)

> at org.apache.hadoop.hive.ql.metadata.Table.getDeserializerFromMetaStore(Table.java:260)

> at org.apache.hadoop.hive.ql.metadata.Table.checkValidity(Table.java:167) 
> at org.apache.hadoop.hive.ql.metadata.Hive.getTable(Hive.java:930) 
> at org.apache.hadoop.hive.ql.parse.DDLSemanticAnalyzer.analyzeDropTable(DDLSemanticAnalyzer.java:706)

> at org.apache.hadoop.hive.ql.parse.DDLSemanticAnalyzer.analyzeInternal(DDLSemanticAnalyzer.java:212)

> at org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:246)

> at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:432) 
> at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:337) 
> at org.apache.hadoop.hive.ql.Driver.run(Driver.java:906) 
> - locked <0x00002aaac6e1c270> (a java.lang.Object) 
> at org.apache.hive.service.cli.operation.SQLOperation.run(SQLOperation.java:94)
> {noformat}

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