This Bugzilla instance is a read-only archive of historic NetBeans bug reports. To report a bug in NetBeans please follow the project's instructions for reporting issues.
This bug was originally marked as duplicate of bug 253182, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE Dev (Build 201512030002) VM: Java HotSpot(TM) 64-Bit Server VM, 25.51-b03, Java(TM) SE Runtime Environment, 1.8.0_51-b16 OS: Mac OS X User Comments: GUEST: Netbeans report NPE when JDK 9 with fastdebug is used as platform. Stacktrace: java.lang.NullPointerException at com.sun.tools.javac.comp.Analyzer$DiamondInitializer.process(Analyzer.java:238) at com.sun.tools.javac.comp.Analyzer$DiamondInitializer.process(Analyzer.java:211) at com.sun.tools.javac.comp.Analyzer.lambda$analyze$72(Analyzer.java:383) at com.sun.tools.javac.comp.Analyzer$$Lambda$124/577983682.accept(Analyzer.java:0) at java.util.HashMap$EntrySet.forEach(HashMap.java:1035) at com.sun.tools.javac.comp.Analyzer.analyze(Analyzer.java:381)
Created attachment 157653 [details] stacktrace
Hard to fix without a reproducible test case.