GitHub user tillrohrmann opened a pull request:
https://github.com/apache/incubator-zeppelin/pull/288
[ZEPPELIN-287] Adds proper standard output capturing to FlinkInterpreter
The `FlinkInterpreter` only captures output to `Console` and, thus, misses
all output which goes to `System.out`. Some of Flink's functions, such as
`DataSet[T].print()`, print their results to `System.out`. Consequently
Zeppelin's interpreter misses this output. This PR fixes this behaviour by
redirecting `System.out` and by setting `System.out` as the `PrintStream` for
`Console`.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/tillrohrmann/incubator-zeppelin
fixSysoutCapturing
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/incubator-zeppelin/pull/288.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 #288
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commit d2820ad4592594fd46a9afc5018e328d6bdd8f61
Author: Till Rohrmann <trohrm...@apache.org>
Date: 2015-09-07T13:03:52Z
[ZEPPELIN-287] Adds proper standard output capturing to FlinkInterpreter
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