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From Benson Qiu <benson....@salesforce.com>
Subject ApplicationReport.getDiagnostics doesn't contain "cause" of IOException
Date Wed, 09 Nov 2016 23:43:13 GMT
I am submitting a Spark job to YARN, which throws a YarnException in

`appReport.getDiagnostics()` contains an error message from

The constructor used for IOException in this case is:
public IOException(String message, Throwable cause)

*The error message that I catch is:*
Failed to submit application_1478137633980_0247 to YARN : Failed to renew
token: Kind: HDFS_DELEGATION_TOKEN, Service:
<intentionally_omitted_service>, Ident: (HDFS_DELEGATION_TOKEN token 74784
for <intentionally_omitted_user>)

*This contains the "message" part of "public IOException(String message,
Throwable cause), but not the "cause" part. *Is there any way to see the
"cause" as well? This would really help me debug.

Any help would be really appreciated. Thanks in advance!


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