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Bug 268151

Summary: NullPointerException at javax.swing.plaf.basic.BasicScrollPaneUI$Handler.mouseWheelMoved
Product: editor Reporter: Alniks
Component: Painting & PrintingAssignee: Miloslav Metelka <mmetelka>
Status: NEW ---    
Severity: normal CC: ADDIMALIK, Alniks, ayasha944, belzeth, darwinrr, horvpeter, paikito22, samjking, scriptoid, vasant.talpada
Priority: P3    
Version: Dev   
Hardware: All   
OS: All   
Issue Type: DEFECT Exception Reporter: 225674
Attachments: stacktrace
stacktrace

Description Alniks 2016-09-22 10:28:20 UTC 
Build: NetBeans IDE Dev (Build nbms-and-javadoc-601-on-20160912)
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:
GUEST: Screen refresh

GUEST: <Please provide a aadescription of the problem or the steps to reproduce>

Alniks: while working with java project




Stacktrace: 
java.lang.NullPointerException
   at javax.swing.plaf.basic.BasicScrollPaneUI$Handler.mouseWheelMoved(BasicScrollPaneUI.java:866)
   at org.netbeans.modules.editor.lib2.view.DocumentViewOp.mouseWheelMoved(DocumentViewOp.java:1531)
   at org.netbeans.modules.editor.lib2.view.DocumentViewOp$MouseWheelDelegator.mouseWheelMoved(DocumentViewOp.java:1657)
   at java.awt.AWTEventMulticaster.mouseWheelMoved(AWTEventMulticaster.java:532)
   at java.awt.Component.processMouseWheelEvent(Component.java:6613)
   at java.awt.Component.processEvent(Component.java:6297)
Comment 1 Alniks 2016-09-22 10:28:22 UTC 
Created attachment 162171 [details]
stacktrace
Comment 2 Exceptions Reporter 2016-09-22 10:46:05 UTC 
This bug already has 5 duplicates 
see http://statistics.netbeans.org/exceptions/detail.do?id=225674
Comment 3 Exceptions Reporter 2016-09-22 10:49:03 UTC 
This bug already has 5 duplicates 
see http://statistics.netbeans.org/exceptions/detail.do?id=225674
Comment 4 Exceptions Reporter 2016-09-27 14:07:08 UTC 
Created attachment 162247 [details]
stacktrace

I dont know