[jira] [Commented] (HIVE-4141) LazyObjectInspectorFactory contains static HashMaps which can cause infinite loop

["Brock Noland (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-4141?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13597232#comment-13597232 ] 

Brock Noland commented on HIVE-4141:
------------------------------------

{noformat}
"pool-1-thread-245" prio=10 tid=0x092c7c00 nid=0x60a7 runnable [0x4ccad000]
java.lang.Thread.State: RUNNABLE
at java.util.HashMap.get(HashMap.java:303)
at org.apache.hadoop.hive.serde2.lazy.objectinspector.LazyObjectInspectorFactory.getLazySimpleStructObjectInspector(LazyObjectInspectorFactory.java:70)
at org.apache.hadoop.hive.serde2.lazy.objectinspector.LazyObjectInspectorFactory.getLazySimpleStructObjectInspector(LazyObjectInspectorFactory.java:49)
at org.apache.hadoop.hive.serde2.lazy.LazyFactory.createLazyStructInspector(LazyFactory.java:275)
at org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe.initialize(LazySimpleSerDe.java:186)
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.metadata.Hive.getTable(Hive.java:831)
at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.getMetaData(SemanticAnalyzer.java:959)
at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:7532)
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 <0x934813c8> (a java.lang.Object)
at org.apache.hive.service.cli.operation.SQLOperation.run(SQLOperation.java:94)
at org.apache.hive.service.cli.session.Session.executeStatement(Session.java:141)
at org.apache.hive.service.cli.CLIService.executeStatement(CLIService.java:120)
at org.apache.hive.service.cli.thrift.ThriftCLIService.ExecuteStatement(ThriftCLIService.java:170)
at org.apache.hive.service.cli.thrift.TCLIService$Processor$ExecuteStatement.getResult(TCLIService.java:1107)
at org.apache.hive.service.cli.thrift.TCLIService$Processor$ExecuteStatement.getResult(TCLIService.java:1096)
at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:32)
at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:34)
at org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:176)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
{noformat}
                
> LazyObjectInspectorFactory contains static HashMaps which can cause infinite loop
> ---------------------------------------------------------------------------------
>
>                 Key: HIVE-4141
>                 URL: https://issues.apache.org/jira/browse/HIVE-4141
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Server Infrastructure
>            Reporter: Brock Noland
>
> When many clients hit hs2, hs2 can get stuck in an infinite loop due to concurrent modification of the static maps here:
> https://github.com/apache/hive/blob/trunk/serde/src/java/org/apache/hadoop/hive/serde2/lazy/objectinspector/LazyObjectInspectorFactory.java

--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators
For more information on JIRA, see: http://www.atlassian.com/software/jira