[jira] [Created] (ZEPPELIN-3434) Error message shown to user should be consistent across interpreters

["Supreeth Sharma (JIRA)" <ji...@apache.org>]

Supreeth Sharma created ZEPPELIN-3434:
-----------------------------------------

             Summary: Error message shown to user should be consistent across interpreters
                 Key: ZEPPELIN-3434
                 URL: https://issues.apache.org/jira/browse/ZEPPELIN-3434
             Project: Zeppelin
          Issue Type: Bug
          Components: zeppelin-server
    Affects Versions: 0.8.0
            Reporter: Supreeth Sharma


Error message shown to the user should be consistent across interpreters.

For livy2 interpreter, if user tries to modify config(livy2.conf) then he is shown the error message :
{code:java}
Can not change interpreter session properties after this session is started
{code}
The error message shown in spark2 interpreter for the same scenario is :
{code:java}
Can not change interpreter properties when interpreter process has already been launched
{code}
Error messages should be consistent for both scenarios.

Test steps to reproduce this scenario :
1) Create livy2 config
{code:java}
%livy2.conf
livy.spark.app.name test_new_app
spark.executor.instances 2
{code}
2) Run any spark statement in new para
{code:java}
%livy2
sc.version
{code}
3) Once spark context is created, try to modify livy conf.
{code:java}
%livy2.conf
livy.spark.app.name test_new_app
spark.executor.instances 4
{code}
repeat the same steps for spark2 interpreter as well and see that error messages shown are same.



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