[jira] [Created] (FLINK-2395) Check Scala catch blocks for Throwable

[Shang Yuanchun (Jira)]

Till Rohrmann created FLINK-2395:
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             Summary: Check Scala catch blocks for Throwable
                 Key: FLINK-2395
                 URL: https://issues.apache.org/jira/browse/FLINK-2395
             Project: Flink
          Issue Type: Improvement
            Reporter: Till Rohrmann
            Priority: Minor


As described in [1], it's not a good practice to catch {{Throwables}} in Scala catch blocks because Scala uses some special exceptions for the control flow. Therefore we should check whether we can restrict ourselves to only catching subtypes of {{Throwable}}, such as {{Exception}}, instead.

[1] https://www.sumologic.com/2014/05/05/why-you-should-never-catch-throwable-in-scala/



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