Will Oberman created CASSANDRA-5150:
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             Summary: sstable2json doesn't check SIGPIPE
                 Key: CASSANDRA-5150
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5150
             Project: Cassandra
          Issue Type: Bug
          Components: Tools
            Reporter: Will Oberman
            Priority: Minor


I believe this explains the issue better than I can: 
http://stackoverflow.com/questions/11695500/how-do-i-get-java-to-exit-when-piped-to-head.

Basically, I expected that if I did: "sstable2json SSTABLE | other-process", 
and other-process had issues and/or died then the sstable2json process would 
die.  It doesn't.  

My workaround is using mkfifo FILE, and having sstable2json write to FILE, 
other-process read from FILE, and a 3rd overall process make sure the other two 
processes are working.  But, it would be _much_ simplier if sstable2json failed 
on SIGPIPE.

I looks like the fix is to periodically check System.out.checkError() in the 
Java.

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