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From "Ashutosh Chauhan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-3717) Hive won't compile with -Dhadoop.mr.rev=20S
Date Sun, 09 Dec 2012 01:11:21 GMT

    [ https://issues.apache.org/jira/browse/HIVE-3717?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13527315#comment-13527315
] 

Ashutosh Chauhan commented on HIVE-3717:
----------------------------------------

bq. The real fix will be to update the POM file for hadoop core though.

I tested with latest released hadoop 1.1.1 and I am able to compile fine. Looks, like pom
file bug of hadoop is taken care of in 1.1.1 release. So, I suggest to resolve this as won't
fix and recommend folks to compile hadoop with 1.1.1
                
> Hive won't compile with -Dhadoop.mr.rev=20S
> -------------------------------------------
>
>                 Key: HIVE-3717
>                 URL: https://issues.apache.org/jira/browse/HIVE-3717
>             Project: Hive
>          Issue Type: Bug
>          Components: Build Infrastructure, Shims
>    Affects Versions: 0.10.0
>            Reporter: Gunther Hagleitner
>         Attachments: HIVE-3717.1-1410543.txt
>
>
> ant -Dhadoop.mr.rev=20S clean package
> fails with: 
> {noformat}
> compile:
>      [echo] Project: ql
>     [javac] Compiling 744 source files to /root/hive/build/ql/classes
>     [javac] /root/hive/ql/src/java/org/apache/hadoop/hive/ql/udf/UDFJson.java:67: cannot
find symbol
>     [javac] symbol  : variable ALLOW_UNQUOTED_CONTROL_CHARS
>     [javac] location: class org.codehaus.jackson.JsonParser.Feature
>     [javac]     JSON_FACTORY.enable(Feature.ALLOW_UNQUOTED_CONTROL_CHARS);
>     [javac]                                ^
>     [javac] /root/hive/ql/src/java/org/apache/hadoop/hive/ql/udf/UDFJson.java:158: cannot
find symbol
>     [javac] symbol  : method writeValueAsString(java.lang.Object)
>     [javac] location: class org.codehaus.jackson.map.ObjectMapper
>     [javac]         result.set(MAPPER.writeValueAsString(extractObject));
>     [javac]                          ^
>     [javac] /root/hive/ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDTFJSONTuple.java:59:
cannot find symbol
>     [javac] symbol  : variable ALLOW_UNQUOTED_CONTROL_CHARS
>     [javac] location: class org.codehaus.jackson.JsonParser.Feature
>     [javac]     JSON_FACTORY.enable(Feature.ALLOW_UNQUOTED_CONTROL_CHARS);
>     [javac]                                ^
>     [javac] /root/hive/ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDTFJSONTuple.java:189:
cannot find symbol
>     [javac] symbol  : method writeValueAsString(java.lang.Object)
>     [javac] location: class org.codehaus.jackson.map.ObjectMapper
>     [javac]           retCols[i].set(MAPPER.writeValueAsString(extractObject));
>     [javac]                                ^
>     [javac] Note: Some input files use or override a deprecated API.
>     [javac] Note: Recompile with -Xlint:deprecation for details.
>     [javac] Note: Some input files use unchecked or unsafe operations.
>     [javac] Note: Recompile with -Xlint:unchecked for details.
>     [javac] 4 errors
> {noformat}
> According to https://issues.apache.org/jira/browse/HADOOP-7470 hadoop 1.x has been upgraded
to jackson 1.8.8 but the POM file still specifies jackson 1.0.1 which doesn't work for hive
(doesn't have the ALLOW_UNQUOTED_CONTROL_CHARS).
> The POM for hadoop 2.0.0-alpha (-Dhadoop.mr.rev=23) has the right dependency, hadoop
0.20.2 (-Dhadoop.mr.rev=20) doesn't depend on jackson.

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