Add-Reads and Add-Modules manifest attributes?

Reto Merz reto.merz at
Thu May 18 13:46:34 UTC 2017

Yes that would be great and I have also asked for that, see this thread:


> -----Ursprüngliche Nachricht-----
> Von: jigsaw-dev [mailto:jigsaw-dev-bounces at] Im Auftrag
> von Andrew Guibert
> Gesendet: Donnerstag, 18. Mai 2017 15:41
> An: jigsaw-dev
> Betreff: Add-Reads and Add-Modules manifest attributes?
> I was happy to see that a resolution was reached for #AddExportsInManifest,
> but why did this stop at Add-Exports and Add-Opens?  In order to cover all
> use cases (for unnamed modules), we would need two more manifest
> attributes:
> # Equivalent to: --add-reads=java.base=ALL-UNNAMED
> --add-reads=java.sql=ALL-UNNAMED
> Add-Reads: java.base, java.sql
> # Equivalent to
> Add-Modules:
> Based on my experience with JPMS so far, manifest attributes are a much
> cleaner way of specifying the JPMS workaround options.  Mainly because on
> older JDKs they are silently ignored so I don't have to add conditionally
> apply the new Java 9 args in my launch commands.
> - Andy

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