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https://issues.apache.org/jira/browse/MAHOUT-822?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13176319#comment-13176319
]
Roman Shaposhnik commented on MAHOUT-822:
-----------------------------------------
Ping! Given that 0.23.0 has been out for quite some time and that 0.23.1 is
supposed to come out pretty soon, is there any interest in reviving work on
this JIRA? Has the criteria for acceptance changes or is Mahout still only
wants to support a single version of Hadoop?
> Mahout needs to be made compatible with Hadoop .23 releases
> -----------------------------------------------------------
>
> Key: MAHOUT-822
> URL: https://issues.apache.org/jira/browse/MAHOUT-822
> Project: Mahout
> Issue Type: Improvement
> Components: build
> Affects Versions: 0.6
> Reporter: Roman Shaposhnik
> Labels: bigtop
> Attachments: MAHOUT-822-build.patch.txt, MAHOUT-822.patch,
> MAHOUT-822.patch, MAHOUT-822.patch, MAHOUT-822.patch
>
>
> As part of the Hadoop stack integration project (Apache Bigtop) we are now
> trying to compile Mahout's upcoming 0.6 release against Hadoop 0.22 and 0.23.
> I'm attaching the patch to Mahout's Maven build system that made it possible.
> I would also like to request help in solving the real issues that poped
> up when we tried to compile Mahout:
> http://bigtop01.cloudera.org:8080/job/Bigtop-hadoop22/COMPONENT=mahout,label=centos5/6/console
> {noformat}
> [ERROR]
> /mnt/jenkins/workspace/workspace/Bigtop-hadoop22/COMPONENT/mahout/label/centos5/build/mahout/rpm/BUILD/apache-mahout-c298f70/core/src/test/java/org/apache/mahout/df/mapreduce/partial/Step0JobTest.java:[182,33]
> org.apache.hadoop.mapreduce.TaskAttemptContext is abstract; cannot be
> instantiated
> [ERROR]
> /mnt/jenkins/workspace/workspace/Bigtop-hadoop22/COMPONENT/mahout/label/centos5/build/mahout/rpm/BUILD/apache-mahout-c298f70/core/src/test/java/org/apache/mahout/df/mapreduce/partial/Step0JobTest.java:[218,9]
> org.apache.mahout.df.mapreduce.partial.Step0JobTest.Step0Context is not
> abstract and does not override abstract method getInputSplit() in
> org.apache.hadoop.mapreduce.MapContext
> [ERROR]
> /mnt/jenkins/workspace/workspace/Bigtop-hadoop22/COMPONENT/mahout/label/centos5/build/mahout/rpm/BUILD/apache-mahout-c298f70/core/src/test/java/org/apache/mahout/df/mapreduce/partial/Step0JobTest.java:[229,12]
> cannot find symbol
> [ERROR] symbol : constructor
> Context(org.apache.hadoop.conf.Configuration,org.apache.hadoop.mapreduce.TaskAttemptID,<nulltype>,<nulltype>,<nulltype>,<nulltype>,<nulltype>)
> [ERROR] location: class org.apache.hadoop.mapreduce.Mapper.Context
> [ERROR]
> /mnt/jenkins/workspace/workspace/Bigtop-hadoop22/COMPONENT/mahout/label/centos5/build/mahout/rpm/BUILD/apache-mahout-c298f70/core/src/test/java/org/apache/mahout/common/DummyRecordWriter.java:[68,18]
> org.apache.hadoop.mapreduce.Mapper.Context is abstract; cannot be
> instantiated
> [ERROR]
> /mnt/jenkins/workspace/workspace/Bigtop-hadoop22/COMPONENT/mahout/label/centos5/build/mahout/rpm/BUILD/apache-mahout-c298f70/core/src/test/java/org/apache/mahout/common/DummyRecordWriter.java:[77,19]
> org.apache.hadoop.mapreduce.Reducer.Context is abstract; cannot be
> instantiated
> [ERROR]
> /mnt/jenkins/workspace/workspace/Bigtop-hadoop22/COMPONENT/mahout/label/centos5/build/mahout/rpm/BUILD/apache-mahout-c298f70/core/src/test/java/org/apache/mahout/df/mapreduce/partial/PartialSequentialBuilder.java:[110,30]
> org.apache.hadoop.mapreduce.TaskAttemptContext is abstract; cannot be
> instantiated
> [ERROR]
> /mnt/jenkins/workspace/workspace/Bigtop-hadoop22/COMPONENT/mahout/label/centos5/build/mahout/rpm/BUILD/apache-mahout-c298f70/core/src/test/java/org/apache/mahout/df/mapreduce/partial/PartialSequentialBuilder.java:[206,28]
> org.apache.hadoop.mapreduce.JobContext is abstract; cannot be instantiated
> [ERROR]
> /mnt/jenkins/workspace/workspace/Bigtop-hadoop22/COMPONENT/mahout/label/centos5/build/mahout/rpm/BUILD/apache-mahout-c298f70/core/src/test/java/org/apache/mahout/df/mapreduce/partial/PartialSequentialBuilder.java:[227,30]
> org.apache.hadoop.mapreduce.TaskAttemptContext is abstract; cannot be
> instantiated
> [ERROR]
> /mnt/jenkins/workspace/workspace/Bigtop-hadoop22/COMPONENT/mahout/label/centos5/build/mahout/rpm/BUILD/apache-mahout-c298f70/core/src/test/java/org/apache/mahout/df/mapreduce/partial/MockContext.java:[30,6]
> org.apache.mahout.df.mapreduce.partial.MockContext is not abstract and does
> not override abstract method getInputSplit() in
> org.apache.hadoop.mapreduce.MapContext
> [ERROR]
> /mnt/jenkins/workspace/workspace/Bigtop-hadoop22/COMPONENT/mahout/label/centos5/build/mahout/rpm/BUILD/apache-mahout-c298f70/core/src/test/java/org/apache/mahout/df/mapreduce/partial/MockContext.java:[38,10]
> cannot find symbol
> {noformat}
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