Zhijie Shen created YARN-2013:
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Summary: The diagnostics is always the ExitCodeException stack
when the container crashes
Key: YARN-2013
URL: https://issues.apache.org/jira/browse/YARN-2013
Project: Hadoop YARN
Issue Type: Bug
Components: nodemanager
Reporter: Zhijie Shen
When a container crashes, ExitCodeException will be thrown from Shell.
Default/LinuxContainerExecutor captures the exception, put the exception stack
into the diagnostic. Therefore, the exception stack is always the same.
{code}
String diagnostics = "Exception from container-launch: \n"
+ StringUtils.stringifyException(e) + "\n" + shExec.getOutput();
container.handle(new ContainerDiagnosticsUpdateEvent(containerId,
diagnostics));
{code}
In addition, it seems that the exception always has a empty message as there's
no message from stderr. Hence the diagnostics is not of much use for users to
analyze the reason of container crash.
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