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https://issues.apache.org/jira/browse/MAPREDUCE-659?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12732964#action_12732964
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Chris Douglas commented on MAPREDUCE-659:
-----------------------------------------
Sorry, I hadn't placed a watch on this issue.
{quote}
When someone tries to build gridmix2 by untarring
hadoop-mapred-0.21.0-dev.tar.gz
$\{hadoop.dir\}/build doesn't exit and build would fail.
{quote}
The change was a superset of the original patch; it only adds the build dir to
the classpath, so gridmix2 will be linked against those classes/jars if they
exist.
{quote}
To catch the compilation failures early, gridmix should be added to the
binary/package target itself.
User should be able to build the jar just by doing in ant in the
src/benchmarks/gridmix2 directory. If there are any dependencies with streaming
and test, they should be added to build.xml
{quote}
This is reasonable, but gridmix2 shouldn't be a top-level target, it has too
many dependencies to model cleanly in our current setup, and it's not a
critical component. We could move it to contrib, but we don't have a way to
model dependencies between contrib modules. I guess it could go into tools, but
that's a stretch. For now, fixing the compilation error seems sufficient.
> gridmix2 not compiling under mapred module trunk/src/benchmarks/gridmix2
> -------------------------------------------------------------------------
>
> Key: MAPREDUCE-659
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-659
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: build
> Environment: latest trunk
> Reporter: Iyappan Srinivasan
> Assignee: Giridharan Kesavan
> Priority: Critical
> Attachments: 659-1.patch, MAPREDUCE-659.PATCH
>
>
> When build is tried in gridmix2, it fails
> trunk/src/benchmarks/gridmix2 $ ant
> Buildfile: build.xml
> init:
> compile:
> [javac] Compiling 3 source files to
> /home/iyappans/new_trunk1/mapreduce/trunk/src/benchmarks/gridmix2/build
> [javac]
> /home/iyappans/new_trunk1/mapreduce/trunk/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred/GridMixRunner.java:40:
> package org.apache.hadoop.streaming does not exist
> [javac] import org.apache.hadoop.streaming.StreamJob;
> [javac] ^
> [javac]
> /home/iyappans/new_trunk1/mapreduce/trunk/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred/GridMixRunner.java:123:
> cannot find symbol
> [javac] symbol: variable StreamJob
> [javac] JobConf jobconf = StreamJob.createJob(args);
> [javac] ^
> [javac] Note: Some input files use or override a deprecated API.
> [javac] Note: Recompile with -Xlint:deprecation for details.
> [javac] 2 errors
> BUILD FAILED
> /home/iyappans/new_trunk1/mapreduce/trunk/src/benchmarks/gridmix2/build.xml:27:
> Compile failed; see the compiler error output for details.
> Total time: 1 second
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