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Bug 254871

Summary:	IllegalStateException: Null component from ComponentInfo opened = false, minimized = false, provider = TopComponentProvider tcId = 'classes'
Product:	debugger	Reporter:	Exceptions Reporter <exceptions_reporter>
Component:	Code	Assignee:	Martin Entlicher <mentlicher>
Status:	RESOLVED FIXED
Severity:	normal	CC:	ilia, petrk
Priority:	P3
Version:	8.1
Hardware:	All
OS:	All
Issue Type:	DEFECT	Exception Reporter:	217183
Attachments:	stacktrace

Description Exceptions Reporter 2015-08-31 09:48:32 UTC

Build: NetBeans IDE Dev (Build nbms-and-javadoc-182-on-20150802)
VM: Java HotSpot(TM) 64-Bit Server VM, 25.5-b02, Java(TM) SE Runtime Environment, 1.8.0_05-b13
OS: Windows 8

User Comments:
GUEST: not sure

petrk: Every time after debbugging unit test exception occures

GUEST: Java Debugger crashes
Run's without crashing otherwise

petrk: Closed program I was debugging

GUEST: Running an imageio based java program

ilia: Attached a debugger and immidiately pressed stop button




Stacktrace: 
java.lang.IllegalStateException: Null component from ComponentInfo opened = false, minimized = false, provider = TopComponentProvider tcId = 'classes'
   at org.netbeans.modules.debugger.ui.DebuggerManagerListener$5.run(DebuggerManagerListener.java:520)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:744)
   at java.awt.EventQueue.access$400(EventQueue.java:97)
   at java.awt.EventQueue$3.run(EventQueue.java:697)
   at java.awt.EventQueue$3.run(EventQueue.java:691)

Comment 1 Exceptions Reporter 2015-08-31 09:48:35 UTC

Created attachment 155770 [details]
stacktrace

Comment 2 Martin Entlicher 2015-09-02 13:00:04 UTC

The "classes" TopComponent is provided by debugger.jpda.heapwalk eager module, which might not be enabled.

Comment 3 Martin Entlicher 2015-09-02 15:13:49 UTC

Fixed by changeset:   291513:4d6cfe401b8d
http://hg.netbeans.org/core-main/rev/4d6cfe401b8d

Comment 4 Quality Engineering 2015-09-04 01:24:45 UTC

Integrated into 'main-silver', will be available in build *201509040002* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress)

Changeset: http://hg.netbeans.org/main-silver/rev/4d6cfe401b8d
User: mentlicher@netbeans.org
Log: #254871: Check if the "classes" component is present.