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https://issues.apache.org/jira/browse/HADOOP-5981?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Amar Kamat updated HADOOP-5981:
-------------------------------
Attachment: HADOOP-5981-v2.0.patch
Attaching a new patch that
# inherits the tastracker's env variable value for substitution
# fixes the substitution code
# fixes the testcase
# adds meaningful diagnostic information upon faulty env
Result of test-patch
[exec] +1 overall.
[exec]
[exec] +1 @author. The patch does not contain any @author tags.
[exec]
[exec] +1 tests included. The patch appears to include 3 new or
modified tests.
[exec]
[exec] +1 javadoc. The javadoc tool did not generate any warning
messages.
[exec]
[exec] +1 javac. The applied patch does not increase the total number
of javac compiler warnings.
[exec]
[exec] +1 findbugs. The patch does not introduce any new Findbugs
warnings.
[exec]
[exec] +1 Eclipse classpath. The patch retains Eclipse classpath
integrity.
[exec]
[exec] +1 release audit. The applied patch does not increase the
total number of release audit warnings.
Tested this patch on a single node cluster and works as expected. Here is what
I did
||No||Param||Output||
|1|A|Error seen on webui and job fails|
|2|A=B|Child env has a parameter A set to B|
|2|A=$A:B|Child env has a parameter A set to :B|
|2|LD_LIBRARY_PATH=$LD_LIBRARY_PATH:B|Child env has B appended to the modified
LD (work dir)|
|2|PATH=$PATH:B|Child env has PATH inherited from tt and appended B|
Running ant test now
> HADOOP-2838 doesnt work as expected
> -----------------------------------
>
> Key: HADOOP-5981
> URL: https://issues.apache.org/jira/browse/HADOOP-5981
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Reporter: Amar Kamat
> Assignee: Amar Kamat
> Fix For: 0.21.0
>
> Attachments: HADOOP-5981-v1.1-branch-20.patch,
> HADOOP-5981-v1.1.patch, HADOOP-5981-v2.0.patch
>
>
> The substitution feature i.e X=$X:/tmp doesnt work as expected.
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