Github user albertostratio commented on the pull request:
https://github.com/apache/spark/pull/7993#issuecomment-129795276
I've been tracing the error and the execution goes to the
tryRegisterAllMasters method in the AppClient class, at this point the catch
for InterruptedException does nothing and then the exception is being caught by
the SparkUncaughtExceptionHandler.
See following the catch block I'm talking about in tryRegisterAllMasters:
```
catch {
case ie: InterruptedException => // Cancelled
case NonFatal(e) => logWarning(s"Failed to connect to master
$masterAddress", e)
}
```
I guess we should handle the exception at this point, not sure how to do it
though.
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