GitHub user tillrohrmann opened a pull request: https://github.com/apache/flink/pull/6244
[FLINK-9622] Do not swallow exceptions in FileUtils#copy ## What is the purpose of the change This commit lets `IOExceptions` originating from `FileUtil#copy` bubble up instead of swallowing them. This PR is based on #6243. ## Verifying this change - Trivial fix ## Does this pull request potentially affect one of the following parts: - Dependencies (does it add or upgrade a dependency): (no) - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (no) - The serializers: (no) - The runtime per-record code paths (performance sensitive): (no) - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: (no) - The S3 file system connector: (no) ## Documentation - Does this pull request introduce a new feature? (no) - If yes, how is the feature documented? (not applicable) You can merge this pull request into a Git repository by running: $ git pull https://github.com/tillrohrmann/flink cleanUpDistributedCacheDfsTest Alternatively you can review and apply these changes as the patch at: https://github.com/apache/flink/pull/6244.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 #6244 ---- commit 1ba98b2dbd2f91c815761d3b2e382a78230d021e Author: Till Rohrmann <trohrmann@...> Date: 2018-07-02T15:44:52Z [FLINK-9622] Do not swallow exceptions in FileUtils#copy commit 82cd571b12f15fc99293173502d21370802aea55 Author: Till Rohrmann <trohrmann@...> Date: 2018-07-03T11:36:33Z [FLINK-9707] Support concurrent directory creations in LocalFileSystem Support concurrent directory creations by accepting directories which have been created by a different thread/process in LocalFileSystem#mkdirs. ---- ---