Code Review Request 8143298 Test ReadTimeout.java fails intermittently

[Xuelei Fan]

Hi,

Please review the test fix for JDK-8143298:

   http://cr.openjdk.java.net/~xuelei/8143298/webrev.00/

The root cause of the intermittent test failure is still unclear to me.
 I updated the test with more output messages, and clear the resources
in finally blocks.  Hope the update can expose the real cause if it
fails again in the future.

Thanks,
Xuelei