Installation Steps
- Download and install JDK 10.0.2
- Download and unzip Netbeans 9 (Apache)
- Change netbeans.conf with correct JDK path ("C:\ProgramFiles\Java\jdk-10.0.2")
- Configure syestem variable and environment variable
- Start Netbeans 64x as administrator
- Getting java.lang.NullPointerException in Netbeans
I'm using Windows 10 as operating system and I followed these steps on my Windows 7 Desktop PC without any problems.
While using my Windows 10 notebook, I'm getting the same error every time I start netbeans.
Creating new projects works but only the default project templates (Java Modular Project and Java Free-Form Project). Opening existing projects works for default projects. Opening projects without default templates doesn't work.
This is the error I get after starting Netbeans 9.
java.lang.NullPointerException
at org.netbeans.modules.editor.fold.ui.CodeFoldingSideBar.resolveBackColor(CodeFoldingSideBar.java:350)
at org.netbeans.modules.editor.fold.ui.CodeFoldingSideBar.updateColors(CodeFoldingSideBar.java:365)
at org.netbeans.modules.editor.fold.ui.CodeFoldingSideBar.access$200(CodeFoldingSideBar.java:99)
at org.netbeans.modules.editor.fold.ui.CodeFoldingSideBar$2.preferenceChange(CodeFoldingSideBar.java:228)
at org.netbeans.modules.editor.fold.ui.CodeFoldingSideBar.addNotify(CodeFoldingSideBar.java:284)
at java.desktop/java.awt.Container.addNotify(Container.java:2798)
at java.desktop/javax.swing.JComponent.addNotify(JComponent.java:4783)
at org.netbeans.modules.editor.impl.CustomizableSideBar$WestSidebarHolder.addNotify(CustomizableSideBar.java:286)
at java.desktop/java.awt.Container.addNotify(Container.java:2798)
at java.desktop/javax.swing.JComponent.addNotify(JComponent.java:4783)
at java.desktop/java.awt.Container.addNotify(Container.java:2798)
at java.desktop/javax.swing.JComponent.addNotify(JComponent.java:4783)
at java.desktop/java.awt.Container.addNotify(Container.java:2798)
at java.desktop/javax.swing.JComponent.addNotify(JComponent.java:4783)
at java.desktop/java.awt.Container.addNotify(Container.java:2798)
at java.desktop/javax.swing.JComponent.addNotify(JComponent.java:4783)
at java.desktop/java.awt.Container.addNotify(Container.java:2798)
at java.desktop/javax.swing.JComponent.addNotify(JComponent.java:4783)
at java.desktop/java.awt.Container.addNotify(Container.java:2798)
at java.desktop/javax.swing.JComponent.addNotify(JComponent.java:4783)
at java.desktop/javax.swing.JRootPane.addNotify(JRootPane.java:733)
at java.desktop/java.awt.Container.addNotify(Container.java:2798)
at java.desktop/java.awt.Window.addNotify(Window.java:786)
at java.desktop/java.awt.Frame.addNotify(Frame.java:490)
at java.desktop/java.awt.Window.pack(Window.java:824)
at org.netbeans.modules.java.editor.JavaEditorWarmUpTask.run(JavaEditorWarmUpTask.java:269)
at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:313)
at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:770)
at java.desktop/java.awt.EventQueue.access$600(EventQueue.java:97)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:721)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:715)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:87)
at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:740)
at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:136)
[catch] at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)
Log file in AppData:
Part 1: https://pastebin.com/m4Gv7S4Y Part 2: https://pastebin.com/rRt8vC76