giriraj sharma created MAHOUT-1864:
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Summary: Twenty Newsgroups Classification Example fails in case
running with MAHOUT_LOCAL=true
Key: MAHOUT-1864
URL: https://issues.apache.org/jira/browse/MAHOUT-1864
Project: Mahout
Issue Type: Improvement
Components: Examples
Affects Versions: 0.12.0
Reporter: giriraj sharma
Priority: Minor
Fix For: 0.13.0
Twenty Newsgroups Classification Example fails in case running with
{{MAHOUT_LOCAL=true}} or else when {{HADOOP_HOME}} env variable is not set.
[Newsgroups|https://mahout.apache.org/users/classification/twenty-newsgroups.html]
lists instructions in order to run this classifier. When running in standalone
mode({{MAHOUT_LOCAL=true}}), i.e., running {{$
./examples/bin/classify-20newsgroups.sh}}, the script runs
{{./examples/bin/set-dfs-commands.sh}} internally to export hadoop related env
variables.
{{set-dfs-commands.sh}} attempts to check for hadoop version despite running
with {{MAHOUT_LOCAL}} set as true. IMHO, the script works fine considering the
prerequisites, but, it will as well make sense if we can update the script
{{./examples/bin/set-dfs-commands.sh}} to export hadoop env varibales only in
case {{MAHOUT_LOCAL}} is not set to true.
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