Hi I recently tried upgrading from GeoTools 19 to 21 for an upcoming version of one of our products, but got hit from lots of NullPointerExceptions happening in the worker threads for StreamingRenderer. This coincided with WMS-layers failing to show up in the map. The cause of this is that GridCoverageRenderer rather rudely goes about using reflection to lobotomize some of the arguments passed to it, but these arguments are cached by WMSLayer and passed to GridCoverageRenderer once again if the map is repainted.
I've attached a small class that demonstrates the problem. The crashes happen between the printing of "Begin 2" and "End 2". Unfortunately, I'm at bit at a loss as to how to solve this problem, as I do not understand what problems caused the introduction of the code the uses reflection to lobotomize instances of other classes, or why it apparently helped. [Logo_kartverket_mail.png] Tor Egil Riegels Strand Developer Norwegian Mapping Authority IT System development Direct: +47 32 11 81 61 E-mail: tor.egil.str...@kartverket.no<mailto:tor.egil.str...@kartverket.no> Switchboard: +47 32 11 81 21 www.kartverket.no<http://www.kartverket.no/>
WmsTest.java
Description: WmsTest.java
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