Github user scwf commented on a diff in the pull request: https://github.com/apache/spark/pull/3103#discussion_r19930730 --- Diff: assembly/pom.xml --- @@ -43,12 +43,7 @@ </properties> <dependencies> - <!-- Promote Guava to compile scope in this module so it's included while shading. --> - <dependency> - <groupId>com.google.guava</groupId> - <artifactId>guava</artifactId> - <scope>compile</scope> - </dependency> + <!-- Note: place this first to ensure the proper MANIFEST.MF--> --- End diff -- Hi, @srowen, if we exclude MANIFEST.MF from deps entirely, there will be no MANIFEST.MF in assembly jar. I failed to find a way to add MANIFEST.MF in shade plugin(assembly jar), it seems we can only set manifestEntries but can not create a new MANIFEST.MF in shade plugin. And another issue is that if we exclude MANIFEST.MF but set manifestEntries, then the excluding will be invalid. see https://github.com/apache/spark/pull/3103#issuecomment-61904203
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