Regression after April Java 17 Update (mime types)

[Bernd Eckenfels]

Hello,

We just tried to push out the Java 17 April Update but it failed with some incompatible behavior. We found out it is caused due to a new mime-type (and a bug in Apache VFS) that JAR files could no longer be opened in an overlay (technically a JAR URL suddenly had a mime-type and therefore VFS no longer looked at the file extension).

Just wanted to give a heads up in case anybody else has that problem. The change 8273655 (a backport 828109) was not mentioned in the 17.0.3 release notes (it is also in 11.0.16) from Oracle and Azul - will it show up in the OpenJDK announcement?

This specific case is a changed behavior (even when it has rather unexpected negative consequences), it would be therefore good to be called out specifically.

Gruss
Bernd


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