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From "Maximilian Michels (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (FLINK-2607) Shade plugin copies signature files from original jar into fat jar
Date Wed, 14 Oct 2015 14:14:08 GMT

     [ https://issues.apache.org/jira/browse/FLINK-2607?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Maximilian Michels updated FLINK-2607:
    Fix Version/s: 0.9.2

> Shade plugin copies signature files from original jar into fat jar
> ------------------------------------------------------------------
>                 Key: FLINK-2607
>                 URL: https://issues.apache.org/jira/browse/FLINK-2607
>             Project: Flink
>          Issue Type: Bug
>          Components: Quickstarts
>    Affects Versions: 0.9, 0.10
>            Reporter: Maximilian Michels
>            Assignee: Maximilian Michels
>             Fix For: 0.9.2, 0.10
> The Quickstart project contains a Maven configuration that builds a fat jar using the
Maven Shade plugin. It copies the {{META-INF}} folder of the original jar into the fat jar
as well. That can lead to a {{SecurityException}} when submitting jobs to the cluster because
the signature file contained in the original jar is not suitable for the fat jar. 
> {noformat}
>  java.lang.SecurityException: Invalid signature file digest for Manifest main attributes
> {noformat}
> The solution is to change the configuration of the Shade plugin to ignore the signature
files in the {{META-INF}} folder when copying the dependencies to the fat jar. 
> See also:
> http://zhentao-li.blogspot.ch/2012/06/maven-shade-plugin-invalid-signature.html
> http://stackoverflow.com/questions/999489/invalid-signature-file-when-attempting-to-run-a-jar

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