GitHub user melan opened a pull request: https://github.com/apache/kafka/pull/840
KAFKA-2522: ConsumerGroupCommand writes error messages to STDERR instead of STDOUT ConsumerGroupCommand sends errors and valuable output to different streams. It simplifies results parsing. @ijuma this is reincarnation of a PR #197 - I rebased those changes on top of the current trunk The contribution is my original work and I license the work to the project under the project's open source license. You can merge this pull request into a Git repository by running: $ git pull https://github.com/melan/kafka kafka_2522_print_err_to_stderr Alternatively you can review and apply these changes as the patch at: https://github.com/apache/kafka/pull/840.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 #840 ---- commit b49d0034ef04c9e1fe9df9c042285ea3d37b6d2a Author: Dmitry Melanchenko <dmelanche...@salesforce.com> Date: 2015-09-06T06:31:18Z [8433829] KAFKA-2522: ConsumerGroupCommand writes error messages to STDERR instead of STDOUT ---- --- If your project is set up for it, you can reply to this email and have your reply appear on GitHub as well. If your project does not have this feature enabled and wishes so, or if the feature is enabled but not working, please contact infrastructure at infrastruct...@apache.org or file a JIRA ticket with INFRA. ---