[jira] [Assigned] (METAMODEL-106) ElasticSearchDataContext throws NPE when index is not found

["Kasper Sørensen (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/METAMODEL-106?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kasper Sørensen reassigned METAMODEL-106:
-----------------------------------------

    Assignee: Kasper Sørensen

I've made a proposed fix here: https://reviews.apache.org/r/30256/

Please review / comment

> ElasticSearchDataContext throws NPE when index is not found
> -----------------------------------------------------------
>
>                 Key: METAMODEL-106
>                 URL: https://issues.apache.org/jira/browse/METAMODEL-106
>             Project: Apache MetaModel
>          Issue Type: Bug
>    Affects Versions: 4.3.0-incubating
>            Reporter: Kasper Sørensen
>            Assignee: Kasper Sørensen
>
> If I accidentally use a wrong index name when creating an ElasticSearchDataContext, I get an exception like this:
> {code}
> java.lang.NullPointerException
> 	at org.apache.metamodel.elasticsearch.ElasticSearchDataContext.detectSchema(ElasticSearchDataContext.java:161)
> 	at org.apache.metamodel.elasticsearch.ElasticSearchDataContext.<init>(ElasticSearchDataContext.java:122)
> {code}
> I would expect a more meaningful exception - either IllegalArgumentException or a MetaModelException - with a proper explanation as a message.
> We should also have sensible checks for null values and empty strings etc.



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