Roman Shaposhnik created CRUNCH-68:
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Summary: Crunch examples don't accept generic tool arguments
Key: CRUNCH-68
URL: https://issues.apache.org/jira/browse/CRUNCH-68
Project: Crunch
Issue Type: Bug
Components: Core
Affects Versions: 0.3.0
Reporter: Roman Shaposhnik
Assignee: Josh Wills
Fix For: 0.4.0
Currently all crunch examples have the following code:
{noformat}
if (args.length != 3) {
System.err.println();
System.err.println("Usage: " + this.getClass().getName() + " [generic
options] input output");
System.err.println();
GenericOptionsParser.printGenericCommandUsage(System.err);
return 1;
}
{noformat}
this is incorrect since run() gets to see all arguments even generic ones and
thus you can't predict the value of
args.length.
This is also, unfortunately a major blocker, for using Crunch with Hadoop 2
because of a MAPREDUCE-4068.
Essentially at this point a combination of MAPREDUCE-4068 and inability to pass
-libjars makes Crunch example DOA for Hadoop 2 clusters.
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