Github user prabeesh commented on the pull request:
https://github.com/apache/spark/pull/3947#issuecomment-69165253
- the hard code '\tmp' may be creating garbage. so created temp directory
using internal methods and deleting after the use.
- revert to _
- added the finally block
- revert to " "
- In while loop, the MqttMessage object is getting created so many times.
here just send same messages repeatedly
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