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This issue was reported manually by alexvsimon. It already has 1 duplicates Build: NetBeans IDE 8.1 Beta (Build 201508041349) VM: Java HotSpot(TM) 64-Bit Server VM, 25.51-b03, Java(TM) SE Runtime Environment, 1.8.0_51-b16 OS: Windows 7 User Comments: GUEST: Opening NetBeans 8.1 Beta Stacktrace: java.lang.AssertionError at org.clang.tools.services.impl.PreprocessorInitializer.clearFileCache(PreprocessorInitializer.java:144) at org.clang.tools.services.ClankPreprocessorServices.invalidate(ClankPreprocessorServices.java:75) at org.netbeans.modules.cnd.apt.impl.support.clank.ClankDriverImpl.invalidateImpl(ClankDriverImpl.java:93) at org.netbeans.modules.cnd.apt.impl.support.clank.FileExistsSensitiveClankCacheDriver.invalidateFile(FileExistsSensitiveClankCacheDriver.java:67) at org.netbeans.modules.cnd.utils.cache.CndFileUtils$FSListener.invalidateFile(CndFileUtils.java:826) at org.netbeans.modules.cnd.utils.cache.CndFileUtils$FSListener.cleanCachesImpl(CndFileUtils.java:838)
Created attachment 155813 [details] stacktrace
*** This bug has been marked as a duplicate of bug 254496 ***