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Bug 190368 - [69cat] NullPointerException: The popup parameter cannot be null
Summary: [69cat] NullPointerException: The popup parameter cannot be null
Alias: None
Product: debugger
Classification: Unclassified
Component: Java (show other bugs)
Version: 6.x
Hardware: All All
: P3 normal (vote)
Assignee: Martin Entlicher
Depends on:
Reported: 2010-09-15 07:13 UTC by stefan79
Modified: 2010-09-27 13:12 UTC (History)
1 user (show)

See Also:
Issue Type: DEFECT
Exception Reporter: 171858

stacktrace (1.48 KB, text/plain)
2010-09-15 07:14 UTC, stefan79

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Description stefan79 2010-09-15 07:13:59 UTC
Build: NetBeans IDE 6.9.1 (Build 201007282301)
VM: Java HotSpot(TM) 64-Bit Server VM, 17.0-b17, Java(TM) SE Runtime Environment, 1.6.0_21-b07
OS: Windows 7

User Comments:
stefan79: Exception occured while debugging.

GUEST: When working with Java web project in debug mode.

java.lang.NullPointerException: The popup parameter cannot be null
   at org.openide.util.Parameters.notNull(
   at org.netbeans.editor.PopupManager.computeBounds(
   at org.netbeans.editor.PopupManager.computeBounds(
   at org.netbeans.editor.PopupManager.install(
   at org.netbeans.editor.ext.ToolTipSupport.ensureVisibility(
   at org.netbeans.editor.ext.ToolTipSupport.setToolTip(
Comment 1 stefan79 2010-09-15 07:14:03 UTC
Created attachment 102025 [details]
Comment 2 David Strupl 2010-09-16 09:17:50 UTC
Debugger team, please evaluate.
Comment 3 Martin Entlicher 2010-09-16 12:01:35 UTC
There's a check for null popup, a non-null is assigned, but then null is used - this must be a threading issue.
It looks like the code needs to run in AWT thread.
Comment 4 Martin Entlicher 2010-09-27 13:12:57 UTC
Fixed in changeset:   178148:55623d7d33c2