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Product Version = NetBeans IDE 8.1 (Build 201510222201) Operating System = Linux version 4.4.0-45-generic running on amd64 Java; VM; Vendor = 1.8.0_60 Runtime = Java HotSpot(TM) 64-Bit Server VM 25.60-b23 Reproducibility: Happens sometimes, but not always STEPS: * Create some C++ Console application with source files (if it doesn't exist) * Close NetBeans * Open NetBeans again (it should reopen your last saved project by default) ACTUAL: Build,Clean,Run,Debug toolbar icons are grayed out.even when some source files are open EXPECTED: The these toolbar buttons shouldn't gray out WORKAROUND: In "Projects" click on your project
Created attachment 162596 [details] IDE log