Specify minor version of Java to use in GitHub action #2726
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There is a problem with the CSS build using the latest version of Java11 (11.0.21). This is what is used by the GitHub CI by default if you only specifying the major version of Java to use as we currently do (i.e. 11).
The error is due to a signing issue in the jython-standalone package we download:
This check is something that has been introduced from Java 11.0.20 as an extra security check. Without the jython-standalone signature being fixed the only solution for us is to specify the use of Java 11.0.19 in the GitHub CI build.