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Should either be fixed or removed from the update center. I'd try to fix it if there were at least a stack trace or more info than this... RemoveUnneededCasts.java:0: Bad service configuration file, or exception thrown while constructing Processor object: javax.annotation.processing.Processor: Provider org.netbeans.modules.openide.util.ServiceProviderProcessor could not be instantiated: java.lang.ClassCastException
Is the source code to jackpot even in hg.netbeans.org?
Yes, in contrib. I will try to look at it. Something in Jackpot got broken by the introduction of @ServiceProvider.
contrib #2d1143f26606