ToolRunner.confirmPrompt spins if stdin goes away
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Key: HADOOP-8295
URL: https://issues.apache.org/jira/browse/HADOOP-8295
Project: Hadoop Common
Issue Type: Bug
Affects Versions: 2.0.0
Reporter: Todd Lipcon
Priority: Minor
Currently, ToolRunner.confirmPrompt treats a "-1" response to its
System.in.read() call the same as \n or \r. So, if stdin goes away, it can
cause the JVM to spin in a loop. Instead, it should treat a -1 result as a "n"
response.
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