Adam Antal created HDFS-13985:
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Summary: Clearer error message for ReplicaNotFoundException
Key: HDFS-13985
URL: https://issues.apache.org/jira/browse/HDFS-13985
Project: Hadoop HDFS
Issue Type: Improvement
Components: hdfs
Reporter: Adam Antal
The issue is that we came across a ReplicaNotFoundException in a bug report,
the most informative thing we could get is "Replica not found for
[ExtendedBlock]". If someone tries to investigate cases including
ReplicaNotFoundExceptions should review diagnostic bundles, dig through logs,
but as a starting point enhancing the exception message would boost this
process, and be beneficial in the long run.
More concretely, it would be helpful if any of the following information was
displayed along with the exception: file's name, replication factor or block
location.
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