Github user Leemoonsoo commented on the pull request:
https://github.com/apache/incubator-zeppelin/pull/575#issuecomment-167722756
> If TTransport.isOpen() is similar to Socket's behavior,
TTransport.isOpen() can't ensure that connection is still valid
While we can not sure about it, this PR as it is looks good to me. Thanks
for explanation.
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