Erich Schubert created YARN-130:
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Summary: Yarn examples use wrong configuration
Key: YARN-130
URL: https://issues.apache.org/jira/browse/YARN-130
Project: Hadoop YARN
Issue Type: Bug
Components: applications
Affects Versions: 2.0.3-alpha
Reporter: Erich Schubert
Priority: Minor
AFAICT the example applications are broken when you don't use default ports. So
it probably won't show in a single node setup.
The bug fix seems to be:
- conf = new Configuration();
+ conf = new YarnConfiguration();
Then the yarn settings file (containing relevant host and port information)
will also be read.
The error messages *need* to be improved. For me, they said something like
"protocol not supported". The reason was that a different hadoop RPC was
running on the port it was connecting to. It took me a lot of debugging to find
out that it was just talking to the wrong service because it had not read it's
configuration file...
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