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From "sunjincheng (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (FLINK-5227) Add warning to include flink-table in job fat jars
Date Fri, 31 Mar 2017 10:04:41 GMT

    [ https://issues.apache.org/jira/browse/FLINK-5227?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15950568#comment-15950568
] 

sunjincheng edited comment on FLINK-5227 at 3/31/17 10:03 AM:
--------------------------------------------------------------

[~fhueske] So, Can I take this JIRA. and fix it?BTW, Why we need add it to ./flink-optimize/pom.xml
?


was (Author: sunjincheng121):
[~fhueske] So, Can I take this JIRA. and fix it?BTW, Why we need add it to ./opt/pom.xml ?

> 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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