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https://issues.apache.org/jira/browse/MSHADE-168?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stuart McCulloch closed MSHADE-168.
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Resolution: Duplicate
> ManifestResourceTransformer manifestEntries map declares wrong generic type
> ---------------------------------------------------------------------------
>
> Key: MSHADE-168
> URL: https://issues.apache.org/jira/browse/MSHADE-168
> Project: Maven Shade Plugin
> Issue Type: Bug
> Affects Versions: 2.2
> Reporter: Stuart McCulloch
> Attachments: ManifestResourceTransformer_manifestEntries.patch
>
>
> The ManifestResourceTransformer class declares a map called manifestEntries
> with a signature of Map<String, Attributes>. This is incorrect because at
> runtime this map is actually only ever populated with String values.
> Furthermore the only place where these map values are used is:
> https://github.com/apache/maven-plugins/blob/trunk/maven-shade-plugin/src/main/java/org/apache/maven/plugins/shade/resource/ManifestResourceTransformer.java#L106
> and while the signature of Attributes.put accepts values of any type, the
> javadoc states that values are checked that they are Strings at runtime:
> http://docs.oracle.com/javase/7/docs/api/java/util/jar/Attributes.html#put(java.lang.Object,%20java.lang.Object)
> In fact it turns out that you can change the manifestEntries Map signature to
> use any type for the value without getting a compile error - and at runtime
> it's ignored by the code populating the configuration. I only happened to
> notice this discrepancy when investigating a related issue involving a
> stricter version of the plexus MapConverter that checks generic bounds when
> populating maps:
> https://bugs.eclipse.org/bugs/show_bug.cgi?id=429369
> The correct signature of manifestEntries should be Map<String, String>
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