Franz van Betteraey created MNG-6521:
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Summary: remove deprecated main attributes from generated MANIFEST
Key: MNG-6521
URL: https://issues.apache.org/jira/browse/MNG-6521
Project: Maven
Issue Type: Improvement
Components: Artifacts and Repositories
Affects Versions: 3.6.0
Reporter: Franz van Betteraey
The MANIFEST implementation entries can be generated by using the
'addDefaultImplementationEntries' of the Apache Maven Archiver configuration
(http://maven.apache.org/shared/maven-archiver/index.html#class_manifest) like
this:
<archive>
<manifest>
<addDefaultImplementationEntries>true</addDefaultImplementationEntries>
</manifest>
</archive>
This will add
Implementation-Title: ${project.name}
Implementation-Version: ${project.version}
Implementation-Vendor-Id: ${project.groupId}
Implementation-Vendor: ${project.organization.name}
Implementation-URL: ${project.url}
to the MANIFEST.MF file. But
Implementation-Vendor-Id and
Implementation-URL
are deprecated by now (at least since Java 8 as seen here):
https://docs.oracle.com/javase/8/docs/technotes/guides/jar/jar.html#Main_Attributes
In the Java 11 jar Manifest Specification they are not mentioned anymore.
https://docs.oracle.com/en/java/javase/11/docs/specs/jar/jar.html#manifest-specification
Thus I guess they also should be removed while generating the main
implementation entries by the Maven Archiver.
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