java.lang.ClassNotFoundException: org.netbeans.modules.xml.jaxb.model.JAXBWizProjectOpenedHookImpl
        at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
        at java.security.AccessController.doPrivileged(AccessController.java:0)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
Caused: java.lang.ClassNotFoundException: org.netbeans.modules.xml.jaxb.model.JAXBWizProjectOpenedHookImpl starting from org.netbeans.MainImpl$BootClassLoader@16fd0b7 with possible defining loaders [ModuleCL@407e75d2[org.netbeans.modules.xml.jaxb]] and declared parents []
        at org.netbeans.ProxyClassLoader.loadClass(ProxyClassLoader.java:259)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
        at org.netbeans.modules.projectapi.LazyLookupProviders.loadPSPInstance(LazyLookupProviders.java:96)
        at org.netbeans.modules.projectapi.LazyLookupProviders.access$000(LazyLookupProviders.java:62)
        at org.netbeans.modules.projectapi.LazyLookupProviders$1$1.beforeLookup(LazyLookupProviders.java:78)
        at org.openide.util.lookup.ProxyLookup$R.myBeforeLookup(ProxyLookup.java:645)
        at org.openide.util.lookup.ProxyLookup$R.computeResult(ProxyLookup.java:518)
        at org.openide.util.lookup.ProxyLookup$R.allInstances(ProxyLookup.java:489)
        at org.openide.util.lookup.ProxyLookup$R.computeResult(ProxyLookup.java:548)
        at org.openide.util.lookup.ProxyLookup$R.allInstances(ProxyLookup.java:489)
        at org.openide.util.Lookup.lookupAll(Lookup.java:245)
        at org.netbeans.spi.project.ui.support.UILookupMergerSupport$OpenHookImpl.projectOpened(UILookupMergerSupport.java:195)
        at org.netbeans.spi.project.ui.ProjectOpenedHook$1.projectOpened(ProjectOpenedHook.java:81)
        at org.netbeans.modules.project.ui.OpenProjectList.notifyOpened(OpenProjectList.java:1059)
        at org.netbeans.modules.project.ui.OpenProjectList.access$800(OpenProjectList.java:122)
        at org.netbeans.modules.project.ui.OpenProjectList$LoadOpenProjects.loadOnBackground(OpenProjectList.java:401)
        at org.netbeans.modules.project.ui.OpenProjectList$LoadOpenProjects.run(OpenProjectList.java:309)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:573)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1005)