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https://issues.apache.org/jira/browse/ZEPPELIN-19?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14393974#comment-14393974
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ASF GitHub Bot commented on ZEPPELIN-19:
----------------------------------------
Github user RamVenkatesh commented on a diff in the pull request:
https://github.com/apache/incubator-zeppelin/pull/22#discussion_r27712863
--- Diff:
zeppelin-zengine/src/main/java/com/nflabs/zeppelin/notebook/Note.java ---
@@ -231,6 +232,9 @@ public void run(String paragraphId) {
p.setNoteReplLoader(replLoader);
p.setListener(jobListenerFactory.getParagraphJobListener(this));
Interpreter intp = replLoader.get(p.getRequiredReplName());
+ if (intp == null) {
--- End diff --
@Leemoonsoo thank you for the review.
I have made the following changes:
1. for NPEs getMessage() is null, hence no error is shown on the GUI. I
have fixed this in InterpreterUtils.getMostRelevantMessage
2. added a test for this specific case to throw an InterpreterException
instead of NPE
> Failures from disabled interpreters not reported
> ------------------------------------------------
>
> Key: ZEPPELIN-19
> URL: https://issues.apache.org/jira/browse/ZEPPELIN-19
> Project: Zeppelin
> Issue Type: Bug
> Reporter: Ram Venkatesh
>
> On a note, if an interpreter is disabled for any reason, errors from
> paragraph execution not surfaced to the user. This can also happen on
> interpreter startup failures.
> The logs do have an NPE in them, but it would be good to give the user some
> feedback on the failure.
> Pull request to follow shortly.
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