Till Rohrmann created FLINK-2799:
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Summary: Yarn tests cannot be executed with DEBUG log level
Key: FLINK-2799
URL: https://issues.apache.org/jira/browse/FLINK-2799
Project: Flink
Issue Type: Bug
Reporter: Till Rohrmann
The problem is that on debug log level the {{org.apache.hadoop.util.Shell}}
logs {{java.io.IOException: HADOOP_HOME or hadoop.home.dir are not set.}} if
the {{HADOOP_HOME}} variable is not set. This is the case on Travis.
Unfortunately, the Yarn test fail as soon as they find the word {{Exception}}
in the logs. Thus, they fail for no reason.
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