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From "Fan Yunbo (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-14659) OutputStream won't close if caught exception in funtion unparseExprForValuesClause in SemanticAnalyzer.java
Date Sun, 28 Aug 2016 01:52:20 GMT

    [ https://issues.apache.org/jira/browse/HIVE-14659?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15442555#comment-15442555
] 

Fan Yunbo commented on HIVE-14659:
----------------------------------

[~prasanth_j][~sershe] Can someone please review this small patch?

> OutputStream won't close if caught exception in funtion unparseExprForValuesClause in
SemanticAnalyzer.java
> -----------------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-14659
>                 URL: https://issues.apache.org/jira/browse/HIVE-14659
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 1.1.0
>            Reporter: Fan Yunbo
>            Assignee: Fan Yunbo
>             Fix For: 2.2.0
>
>         Attachments: HIVE-14659.1.patch
>
>
> I hava met the problem that Hive process cannot create new threads because of lots of
OutputStream not closed.
> Here is the part of jstack info:
> "Thread-35783" daemon prio=10 tid=0x00007f8f58f02800 nid=0x18cc in Object.wait() [0x00007f8e632c0000]
>    java.lang.Thread.State: TIMED_WAITING (on object monitor)
>         at java.lang.Object.wait(Native Method)
>         at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.run(DFSOutputStream.java:577)
>         - locked <0x000000061af52d50> (a java.util.LinkedList)
> and the related error log:
> org.apache.hadoop.hive.ql.parse.SemanticException: Unable to create temp file for insert
values Expression of type TOK_TABLE_OR_COL not supported in insert/values
>     at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genValuesTempTable(SemanticAnalyzer.java:812)
>     at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.doPhase1(SemanticAnalyzer.java:1207)
>     at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.doPhase1(SemanticAnalyzer.java:1410)
>     at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genResolvedParseTree(SemanticAnalyzer.java:10136)
> Caused by: org.apache.hadoop.hive.ql.parse.SemanticException: Expression of type TOK_TABLE_OR_COL
not supported in insert/values
>     at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.unparseExprForValuesClause(SemanticAnalyzer.java:858)
>     at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genValuesTempTable(SemanticAnalyzer.java:785)
>     ... 15 more
> It shows the output stream won't close if caught exception in funtion unparseExprForValuesClause
in SemanticAnalyzer.java



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