GitHub user mars opened a pull request: https://github.com/apache/incubator-predictionio/pull/432
[PIO-120] Process hangs if Elasticsearch is not available during train Fixes [PIO-120](https://issues.apache.org/jira/browse/PIO-120) This changeset ensures that the process exits gracefully after ES connection error. You can merge this pull request into a Git repository by running: $ git pull https://github.com/mars/incubator-predictionio fix-es-hang-on-train Alternatively you can review and apply these changes as the patch at: https://github.com/apache/incubator-predictionio/pull/432.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 #432 ---- commit f1c7337e246c9bd2bed5cc080efcf3dc81e4b055 Author: Mars Hall <m...@heroku.com> Date: 2017-09-07T21:38:46Z Graceful exit after ES connection error during train. ---- ---