Setting MaxPermSize is a fatal exception?

[Kasper Sørensen]

Hi all,

I am trying out the latest build on the Apache MetaModel project. I had
locally set my MAVEN_OPTS to include a "-XX:MaxPermSize=512m" flag.
Apparently this crashes JDK 9 with a fatal error ... Is that really
intentional? Seems a bit strict - I notice in JDK 8 there's a warning which
is fine.

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C:\Program Files\Java\jdk1.9.0\bin>java %MAVEN_OPTS%
Unrecognized VM option 'MaxPermSize=512m'
Error: Could not create the Java Virtual Machine.
Error: A fatal exception has occurred. Program will exit.
----

Best regards,
Kasper Sørensen