Comparing env() function with LIKE operator throughs java.lang.NullPointerException
whereas strict comparison works fine:
Adding a default value did not help.
Here is the stack trace:
Tomorrow's nightly builds should contain a fix, if you want to try it out:
(the fix is in the core geoserver package, not in the CSS plugin, so you'll have to get everything from the nightly)
I've tried out the nightly build and it works for me now. Thanks.
Thanks for letting us know!