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From "Fabian Hueske (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-5227) Add warning to include flink-table in job fat jars
Date Fri, 31 Mar 2017 09:08:42 GMT

    [ https://issues.apache.org/jira/browse/FLINK-5227?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15950565#comment-15950565

Fabian Hueske commented on FLINK-5227:

IMO, it should be added to {{./flink-dist/pom.xml}} and be added to {{./opt}} similar to the
{{flink-gelly}} dependencies.

> Add warning to include flink-table in job fat jars
> --------------------------------------------------
>                 Key: FLINK-5227
>                 URL: https://issues.apache.org/jira/browse/FLINK-5227
>             Project: Flink
>          Issue Type: Improvement
>          Components: Documentation, Table API & SQL
>    Affects Versions: 1.2.0, 1.1.3
>            Reporter: Fabian Hueske
>             Fix For: 1.1.5
> {{flink-table}} depends on Apache Calcite which includes a JDBC Driver that prevents
classloaders from being collected. This is a known issue with {{java.sqlDriverManager}} and
can eventually cause OOME Permgen Taskmanager failures.
> The current workaround is to not include {{flink-table}} in the fat job JAR. Instead
the {{flink-table}} jar files should be added to the {{lib}} folder of the TaskManagers.

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