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Build: NetBeans IDE Dev (Build 20160920-9f06e8851406) VM: Java HotSpot(TM) 64-Bit Server VM, 9-internal+0-2016-09-20-000739.alexsch.jdk9-hidpi, Java(TM) SE Runtime Environment, 9-internal+0-2016-09-20-000739.alexsch.jdk9-hidpi OS: Windows 8.1 User Comments: sunflower: Build NetBeans from sources: http://hg.netbeans.org/jet-main Build JDK 9 from sources: http://hg.openjdk.java.net/jdk9/client/ Run the build NetBeans using the built JDK 9. Create a Java project. The exception pops up. Stacktrace: java.lang.SecurityException: sealing violation at org.netbeans.JarClassLoader.doLoadClass(JarClassLoader.java:265) at org.netbeans.ProxyClassLoader.selfLoadClass(ProxyClassLoader.java:259) at org.netbeans.ProxyClassLoader.loadClass(ProxyClassLoader.java:187) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at org.netbeans.modules.java.source.parsing.JavacParser.createJavacTask(JavacParser.java:817) at org.netbeans.modules.java.source.parsing.JavacParser.createJavacTask(JavacParser.java:734)
Created attachment 162175 [details] stacktrace