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1. Install a clean build of CE 2. Make sure that netbeans.debug.exceptions is set to true 3. Go to Global Options | Templates | JSP | JSP (HTML) 4. Go to "Execution" tab 5. The following exception is printed to the console java.lang.ClassNotFoundException: org.netbeans.modules.web.core.execution.JakartaWebAppExecutor at java.net.URLClassLoader$1.run(URLClassLoader.java:200) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at org.netbeans.core.ClassLoaderSupport.findClass (ClassLoaderSupport.java:82) at java.lang.ClassLoader.loadClass(ClassLoader.java:297) at java.lang.ClassLoader.loadClass(ClassLoader.java:253) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:313) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:195) at org.openide.ServiceType$Handle.getServiceType(ServiceType.java:239) at org.openide.loaders.ExecSupport.getExecutor(ExecSupport.java:243) at org.netbeans.modules.web.core.WebExecSupport$4.getValue (WebExecSupport.java:260) at org.openide.explorer.propertysheet.PropertyDetails.getPropertyValue (PropertyDetails.java:142) at org.openide.explorer.propertysheet.PropertyValue.<init> (PropertyValue.java:41) at org.openide.explorer.propertysheet.PropertySheet.refreshTab (PropertySheet.java:791) at org.openide.explorer.propertysheet.PropertySheet.setCurrentPage (PropertySheet.java:499) at org.openide.explorer.propertysheet.PropertySheet$3.stateChanged (PropertySheet.java:288) at javax.swing.JTabbedPane.fireStateChanged(JTabbedPane.java:234) at javax.swing.JTabbedPane$ModelListener.stateChanged (JTabbedPane.java:179) at javax.swing.DefaultSingleSelectionModel.fireStateChanged (DefaultSingleSelectionModel.java:99) at javax.swing.DefaultSingleSelectionModel.setSelectedIndex (DefaultSingleSelectionModel.java:51) at javax.swing.JTabbedPane.setSelectedIndex(JTabbedPane.java:349) at javax.swing.plaf.basic.BasicTabbedPaneUI$MouseHandler.mousePressed (BasicTabbedPaneUI.java:1822) at java.awt.AWTEventMulticaster.mousePressed (AWTEventMulticaster.java:220) at java.awt.Component.processMouseEvent(Component.java:3714) at java.awt.Component.processEvent(Component.java:3546) at java.awt.Container.processEvent(Container.java:1164) at java.awt.Component.dispatchEventImpl(Component.java:2595) at java.awt.Container.dispatchEventImpl(Container.java:1213) at java.awt.Component.dispatchEvent(Component.java:2499) at java.awt.LightweightDispatcher.retargetMouseEvent (Container.java:2451) at java.awt.LightweightDispatcher.processMouseEvent(Container.java:2210) at java.awt.LightweightDispatcher.dispatchEvent(Container.java:2125) at java.awt.Container.dispatchEventImpl(Container.java:1200) at java.awt.Window.dispatchEventImpl(Window.java:912) at java.awt.Component.dispatchEvent(Component.java:2499) at java.awt.EventQueue.dispatchEvent(EventQueue.java:319) at java.awt.EventDispatchThread.pumpOneEvent (EventDispatchThread.java:103) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93) at java.awt.EventDispatchThread.run(EventDispatchThread.java:84)
Appears in [1136]
Fixed in Boston (1160), trunk (nb83) and release31
Resolved for 3.4.x or earlier, no new info since then -> closing.