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| author | Dongjoon Hyun <dongjoon@apache.org> | 2016-06-13 10:30:17 -0700 |
|---|---|---|
| committer | Marcelo Vanzin <vanzin@cloudera.com> | 2016-06-13 10:30:17 -0700 |
| commit | 938434dc78f35f77cdebd15dcce8d5e7871b396b (patch) | |
| tree | 42279122f9d30e151c7b5052664e60d4377d4dd5 /repl | |
| parent | cd47e233749f42b016264569a214cbf67f45f436 (diff) | |
| download | spark-938434dc78f35f77cdebd15dcce8d5e7871b396b.tar.gz spark-938434dc78f35f77cdebd15dcce8d5e7871b396b.tar.bz2 spark-938434dc78f35f77cdebd15dcce8d5e7871b396b.zip | |
[SPARK-15913][CORE] Dispatcher.stopped should be enclosed by synchronized block.
## What changes were proposed in this pull request?
`Dispatcher.stopped` is guarded by `this`, but it is used without synchronization in `postMessage` function. This PR fixes this and also the exception message became more accurate.
## How was this patch tested?
Pass the existing Jenkins tests.
Author: Dongjoon Hyun <dongjoon@apache.org>
Closes #13634 from dongjoon-hyun/SPARK-15913.
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