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This issue was reported manually by javatlacati. It already has 2 duplicates Build: NetBeans IDE Dev (Build 201704100002) VM: Java HotSpot(TM) 64-Bit Server VM, 25.45-b02, Java(TM) SE Runtime Environment, 1.8.0_45-b15 OS: Windows 8 User Comments: javatlacati: Opened my old Java9 sample code I've made in november for nb javatlacati: closed tab Stacktrace: javax.lang.model.element.UnknownElementException: Unknown element: HolaJava at javax.lang.model.util.AbstractElementVisitor6.visitUnknown(AbstractElementVisitor6.java:125) at javax.lang.model.element.ElementVisitor.visitModule(ElementVisitor.java:165) at javax.lang.model.util.AbstractElementVisitor6.visitModule(AbstractElementVisitor6.java:144) at com.sun.tools.javac.code.Symbol$ModuleSymbol.accept(Symbol.java:1014) at javax.lang.model.util.ElementScanner6.scan(ElementScanner6.java:153) at org.netbeans.modules.javanavigators.ElementScanningTask.run(ElementScanningTask.java:121)
Created attachment 164073 [details] stacktrace
This bug already has 5 duplicates see http://statistics.netbeans.org/exceptions/detail.do?id=228725
Created attachment 165691 [details] stacktrace Perference > Python > Prompt for python program arguments