java.lang.ClassNotFoundException: org.netbeans.modules.bugzilla.api.NBBugzillaUtils
   at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
   at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
   at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
Caused: java.lang.ClassNotFoundException: org.netbeans.modules.bugzilla.api.NBBugzillaUtils starting from SystemClassLoader[591 modules] with possible defining loaders null and declared parents [org.netbeans.MainImpl$BootClassLoader@3e3a2536, ModuleCL@1a255a5c[org.netbeans.api.annotations.common], ModuleCL@a4f5b6d[org.openide.awt], ModuleCL@5ffb5664[org.netbeans.api.progress], ModuleCL@6de4f076[org.openide.dialogs], ModuleCL@51670b57[org.openide.nodes], ModuleCL@4419a681[org.openide.windows], ModuleCL@70028214[org.netbeans.modules.editor.mimelookup], ModuleCL@34aa287f[org.openide.text], ModuleCL@f48c4dc[org.netbeans.swing.tabcontrol], ...575 more]
   at org.netbeans.ProxyClassLoader.loadClass(ProxyClassLoader.java:224)
   at org.netbeans.ModuleManager$SystemClassLoader.loadClass(ModuleManager.java:720)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
   at java.lang.Class.forName0(Class.java:0)
   at java.lang.Class.forName(Class.java:266)
   at org.netbeans.modules.profiler.snaptracer.impl.AttachToBugAction.isSupported(AttachToBugAction.java:104)
   at org.netbeans.modules.profiler.snaptracer.impl.TimelineView.getView(TimelineView.java:167)
   at org.netbeans.modules.profiler.snaptracer.impl.TracerView.createComponent(TracerView.java:106)
   at org.netbeans.modules.profiler.snaptracer.impl.IdeSnapshotAction.ui(IdeSnapshotAction.java:118)
   at org.netbeans.modules.profiler.snaptracer.impl.IdeSnapshotAction.access$200(IdeSnapshotAction.java:66)
   at org.netbeans.modules.profiler.snaptracer.impl.IdeSnapshotAction$3.run(IdeSnapshotAction.java:101)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:727)
   at java.awt.EventQueue.access$200(EventQueue.java:103)
   at java.awt.EventQueue$3.run(EventQueue.java:688)
   at java.awt.EventQueue$3.run(EventQueue.java:686)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:697)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)