GitHub user srowen opened a pull request:
https://github.com/apache/spark/pull/17290
[SPARK-16599][CORE] java.util.NoSuchElementException: None.get at at
org.apache.spark.storage.BlockInfoManager.releaseAllLocksForTask
## What changes were proposed in this pull request?
Avoid None.get exception in (rare?) case that no readLocks exist
Note that while this would resolve the immediate cause of the exception,
it's not clear it is the root problem.
## How was this patch tested?
Existing tests
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/srowen/spark SPARK-16599
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/17290.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #17290
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commit 27234e154db18cbc614053446713636a69046090
Author: Sean Owen <[email protected]>
Date: 2017-03-14T13:45:14Z
Avoid None.get exception in (rare?) case that no readLocks exist
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