Steve Loughran created HADOOP-9657:
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Summary: NetUtils.wrapException to have special handling for
0.0.0.0 addresses and :0 ports
Key: HADOOP-9657
URL: https://issues.apache.org/jira/browse/HADOOP-9657
Project: Hadoop Common
Issue Type: Improvement
Components: net
Reporter: Steve Loughran
Priority: Minor
when an exception is wrapped, it may look like {{0.0.0.0:0 failed on connection
exception: java.net.ConnectException: Connection refused; For more details see:
http://wiki.apache.org/hadoop/ConnectionRefused}}
We should recognise all zero ip addresses and 0 ports and flag them as "your
configuration of the endpoint is wrong", as it is clearly the case
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