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Build: NetBeans IDE Dev (Build 201204250400) VM: Java HotSpot(TM) 64-Bit Server VM, 20.5-b03, Java(TM) SE Runtime Environment, 1.6.0_30-b12 OS: Windows 7 Stacktrace: java.lang.AbstractMethodError: org.netbeans.modules.websvc.rest.spi.RestSupport.upgrade()V at org.netbeans.modules.websvc.rest.RestUtils.upgrade(RestUtils.java:92) at org.netbeans.modules.websvc.rest.nodes.RestServicesNodeFactory.createNodes(RestServicesNodeFactory.java:92) at org.netbeans.spi.project.ui.support.NodeFactorySupport$DelegateChildren$1.run(NodeFactorySupport.java:199) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1452) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2032)
Created attachment 122023 [details] stacktrace
Steps to reporoduce: Create new Maven Web Project. Expand projectroot node. Exception is thrown
I'm not able to reproduce the issue. AbstractMethodError means you have some incompatible classes. That could be a consequence of some interference between currently installed and previous IDE versions. Please try to delete your .netbeans folder and start NB with fresh userdir.