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Bug 247940 - NullPointerException at org.netbeans.modules.navigator.NavigatorController.navigatorTCClosed
Summary: NullPointerException at org.netbeans.modules.navigator.NavigatorController.na...
Status: RESOLVED WONTFIX
Alias: None
Product: platform
Classification: Unclassified
Component: Module System (show other bugs)
Version: 8.0
Hardware: All All
: P3 normal (vote)
Assignee: Tomas Hurka
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2014-10-15 01:10 UTC by ksolomond
Modified: 2015-03-04 15:31 UTC (History)
0 users

See Also:
Issue Type: DEFECT
Exception Reporter: 212729

Attachments
stacktrace (4.97 KB, text/plain)
2014-10-15 01:10 UTC, ksolomond 		Details
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Description ksolomond 2014-10-15 01:10:17 UTC 
Build: NetBeans IDE 8.0.1 (Build 201408251540)
VM: Java HotSpot(TM) 64-Bit Server VM, 25.25-b02, Java(TM) SE Runtime Environment, 1.8.0_25-b18
OS: Windows 8

User Comments:
ksolomond: I install successfuly but not view the source in windows 8.




Stacktrace: 
java.lang.NullPointerException
   at org.netbeans.modules.navigator.NavigatorController.navigatorTCClosed(NavigatorController.java:217)
   at org.netbeans.modules.navigator.NavigatorController.propertyChange(NavigatorController.java:694)
   at java.beans.PropertyChangeSupport.fire(PropertyChangeSupport.java:335)
   at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:327)
   at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:263)
   at org.netbeans.core.windows.RegistryImpl.doFirePropertyChange(RegistryImpl.java:329)
Comment 1 ksolomond 2014-10-15 01:10:20 UTC 
Created attachment 149909 [details]
stacktrace
Comment 2 Ondrej Vrabec 2015-03-04 15:31:49 UTC 
likely caused by this:
SEVERE [global]
java.lang.ClassNotFoundException: org.netbeans.modules.java.navigation.ClassMemberPanelUI$3
	at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	at org.netbeans.ProxyClassLoader.loadClass(ProxyClassLoader.java:222)
Caused: java.lang.ClassNotFoundException: org.netbeans.modules.java.navigation.ClassMemberPanelUI$3 starting from ModuleCL@3286d00c[org.netbeans.modules.java.navigation] with possible defining loaders null and declared parents [ModuleCL@625b7eab[org.openide.actions], ModuleCL@3310cb19[org.netbeans.core.multiview], ModuleCL@20585478[org.openide.nodes], ModuleCL@4537881f[org.netbeans.modules.lexer], ModuleCL@1e79371c[org.netbeans.modules.projectuiapi], ModuleCL@3fd1746e[org.netbeans.api.annotations.common], ModuleCL@1d2a17b8[org.netbeans.modules.settings], ModuleCL@271d5170[org.netbeans.modules.editor.settings], org.netbeans.MainImpl$BootClassLoader@7cd84586, ModuleCL@30d3b324[org.netbeans.modules.java.sourceui], ...20 more]
	at org.netbeans.ProxyClassLoader.loadClass(ProxyClassLoader.java:224)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
Caused: java.lang.NoClassDefFoundError: org/netbeans/modules/java/navigation/ClassMemberPanelUI$3
	at org.netbeans.modules.java.navigation.ClassMemberPanelUI.clearNodes(ClassMemberPanelUI.java:310)
	at org.netbeans.modules.java.navigation.ClassMemberPanel.panelDeactivated(ClassMemberPanel.java:104)
	at org.netbeans.modules.navigator.LazyPanel.panelDeactivated(LazyPanel.java:104)

there are dozens of CNFE in the log, either caused by corrupted installation, problem in module system or in ergonomics. I suggest reinstalling NetBeans.
If this still happens please reopen.