[jira] [Commented] (SPARK-6890) Local cluster mode is broken

["Marcelo Vanzin (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-6890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14493432#comment-14493432 ] 

Marcelo Vanzin commented on SPARK-6890:
---------------------------------------

Do you have `SPARK_PREPEND_CLASSES` set by any chance?

BTW, personally, I was against the change that causes this failure, and again personally I wouldn't really be against reverting it. It seems to cause more issues than it solves. [/cc [~nravi]]

> Local cluster mode is broken
> ----------------------------
>
>                 Key: SPARK-6890
>                 URL: https://issues.apache.org/jira/browse/SPARK-6890
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core
>    Affects Versions: 1.4.0
>            Reporter: Davies Liu
>            Assignee: Andrew Or
>            Priority: Critical
>
> In master, local cluster mode is broken. If I run `bin/spark-submit --master local-cluster[2,1,512]`, my executors keep failing with class not found exception. It appears that the assembly jar is not added to the executors' class paths. I suspect that this is caused by https://github.com/apache/spark/pull/5085.
> {code}
> Exception in thread "main" java.lang.NoClassDefFoundError: scala/Option
> 	at java.lang.Class.getDeclaredMethods0(Native Method)
> 	at java.lang.Class.privateGetDeclaredMethods(Class.java:2531)
> 	at java.lang.Class.getMethod0(Class.java:2774)
> 	at java.lang.Class.getMethod(Class.java:1663)
> 	at sun.launcher.LauncherHelper.getMainMethod(LauncherHelper.java:494)
> 	at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:486)
> Caused by: java.lang.ClassNotFoundException: scala.Option
> 	at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
> 	at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
> {code}



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