GitHub user prabhjyotsingh opened a pull request: https://github.com/apache/zeppelin/pull/1698
Downloading dependency/changing version for an interpreter results in error sometimes ### What is this PR for? At times on downloading dependency/changing version for an interpreter results in error ``` INFO [2016-11-29 11:16:52,998] ({qtp60559178-18} InterpreterRestApi.java[updateSetting]:137) - Update interpreterSetting 2C2ENJBEV ERROR [2016-11-29 11:16:53,047] ({Thread-61} InterpreterFactory.java[run]:494) - Error while downloading repos for interpreter group : jdbc, go to interpreter setting page click on edit and save it again to make this interpreter work properly. : File does not exist: /Users/xxx/local-repo/2C2ENJBEV/twill-zookeeper-0.6.0-incubating.jar java.io.FileNotFoundException: File does not exist: /Users/xxx/local-repo/2C2ENJBEV/twill-zookeeper-0.6.0-incubating.jar at org.apache.commons.io.FileUtils.forceDelete(FileUtils.java:2275) at org.apache.commons.io.FileUtils.cleanDirectory(FileUtils.java:1653) at org.apache.zeppelin.interpreter.InterpreterFactory$3.run(InterpreterFactory.java:470) ERROR [2016-11-29 11:16:53,047] ({Thread-64} InterpreterFactory.java[run]:494) - Error while downloading repos for interpreter group : jdbc, go to interpreter setting page click on edit and save it again to make this interpreter work properly. : File does not exist: /Users/xxx/local-repo/2C2ENJBEV/zookeeper-3.4.6.jar java.io.FileNotFoundException: File does not exist: /Users/xxx/local-repo/2C2ENJBEV/zookeeper-3.4.6.jar at org.apache.commons.io.FileUtils.forceDelete(FileUtils.java:2275) at org.apache.commons.io.FileUtils.cleanDirectory(FileUtils.java:1653) at org.apache.zeppelin.interpreter.InterpreterFactory$3.run(InterpreterFactory.java:470) ``` but on re-saving it works fine. ### What type of PR is it? [Bug Fix] ### Todos ### What is the Jira issue? * [ZEPPELIN-1725](https://issues.apache.org/jira/browse/ZEPPELIN-1725) ### How should this be tested? Configure following as dependencies in JDBC ``` org.apache.hive:hive-jdbc:2.0.1 org.apache.hadoop:hadoop-common:2.7.1 org.apache.hive.shims:hive-shims-0.23:2.1.0 org.apache.phoenix:phoenix-core:4.7.0-HBase-1.1 ``` now try changing one of it, say "org.apache.hadoop:hadoop-common:2.7.1" to "org.apache.hadoop:hadoop-common:2.6.0" Save should happen all the time. ### Screenshots (if appropriate) ### Questions: * Does the licenses files need update? n/a * Is there breaking changes for older versions? n/a * Does this needs documentation? n/a You can merge this pull request into a Git repository by running: $ git pull https://github.com/prabhjyotsingh/zeppelin ZEPPELIN-1725 Alternatively you can review and apply these changes as the patch at: https://github.com/apache/zeppelin/pull/1698.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 #1698 ---- commit b535bb962f0847885ba2792ba0ffcee01f30942f Author: Prabhjyot Singh <prabhjyotsi...@gmail.org> Date: 2016-11-29T07:03:32Z do a check for FileNotFoundException, which would mean it was already deleted/not present. ---- --- 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. ---