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Bug 44604 - ClassCastException when setting breakpoint
Summary: ClassCastException when setting breakpoint
Status: CLOSED FIXED
Alias: None
Product: debugger
Classification: Unclassified
Component: Code (show other bugs)
Version: 3.x
Hardware: PC Windows ME/2000
: P1 blocker (vote)
Assignee: issues@debugger
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2004-06-08 20:11 UTC by ssuehs
Modified: 2005-07-11 12:51 UTC (History)
0 users

See Also:
Issue Type: DEFECT
Exception Reporter:

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Description ssuehs 2004-06-08 20:11:31 UTC 
Set a breakpoint, get an exception

java.lang.ClassCastException: cannot assign
instance of
org.netbeans.modules.java.JavaDataObject to field
org.openide.text.Line.dataObject of type
org.openide.util.Lookup in instance of
org.openide.text.EditorSupportLineSet$SupportLine
	at
java.io.ObjectStreamClass$FieldReflector.setObjFieldValues(ObjectStreamClass.java:1885)
	at
java.io.ObjectStreamClass.setObjFieldValues(ObjectStreamClass.java:1076)
	at
java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1851)
	at
java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1769)
	at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1646)
	at
java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1274)
	at
java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1845)
	at
java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1769)
	at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1646)
	at
java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1274)
	at
java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1845)
	at
java.io.ObjectInputStream.defaultReadObject(ObjectInputStream.java:452)
	at
org.netbeans.modules.debugger.CoreBreakpoint.readObject(CoreBreakpoint.java:121)
	at
sun.reflect.NativeMethodAccessorImpl.invoke0(Native
Method)
	at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:324)
	at
java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:838)
	at
java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1746)
	at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1646)
	at
java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1274)
	at
java.io.ObjectInputStream.readObject(ObjectInputStream.java:324)
	at java.util.HashMap.readObject(HashMap.java:1005)
	at
sun.reflect.NativeMethodAccessorImpl.invoke0(Native
Method)
	at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:324)
	at
java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:838)
	at
java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1746)
	at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1646)
	at
java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1274)
	at
java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1845)
	at
java.io.ObjectInputStream.defaultReadObject(ObjectInputStream.java:452)
	at
org.netbeans.modules.debugger.BreakpointGroup.readObject(BreakpointGroup.java:92)
	at
sun.reflect.NativeMethodAccessorImpl.invoke0(Native
Method)
	at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:324)
	at
java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:838)
	at
java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1746)
	at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1646)
	at
java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1274)
	at
java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1845)
	at
java.io.ObjectInputStream.defaultReadObject(ObjectInputStream.java:452)
	at
org.netbeans.modules.debugger.CoreBreakpoint.readObject(CoreBreakpoint.java:121)
	at
sun.reflect.NativeMethodAccessorImpl.invoke0(Native
Method)
	at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:324)
	at
java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:838)
	at
java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1746)
	at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1646)
	at
java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1274)
	at
java.io.ObjectInputStream.readArray(ObjectInputStream.java:1603)
	at
java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1271)
	at
java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1845)
	at
java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1769)
	at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1646)
	at
java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1274)
	at
java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1845)
	at
java.io.ObjectInputStream.defaultReadObject(ObjectInputStream.java:452)
	at
org.netbeans.modules.debugger.support.DebuggerSupport.readObject(DebuggerSupport.java:79)
	at
sun.reflect.NativeMethodAccessorImpl.invoke0(Native
Method)
	at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:324)
	at
java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:838)
	at
java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1746)
	at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1646)
	at
java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1274)
	at
java.io.ObjectInputStream.readObject(ObjectInputStream.java:324)
	at
org.openide.options.SystemOption.readExternal(SystemOption.java:229)
	at
org.openide.util.SharedClassObject$WriteReplace.readObject(SharedClassObject.java:646)
	at
sun.reflect.NativeMethodAccessorImpl.invoke0(Native
Method)
	at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:324)
	at
java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:838)
	at
java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1746)
	at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1646)
	at
java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1274)
	at
java.io.ObjectInputStream.readObject(ObjectInputStream.java:324)
	at
org.netbeans.modules.settings.convertors.XMLSettingsSupport$SettingsRecognizer.readSerial(XMLSettingsSupport.java:515)
	at
org.netbeans.modules.settings.convertors.XMLSettingsSupport$SettingsRecognizer.instanceCreate(XMLSettingsSupport.java:543)
	at
org.netbeans.modules.settings.convertors.SerialDataConvertor$SettingsInstance.instanceCreate(SerialDataConvertor.java:350)
	at
org.openide.loaders.FolderLookup$ICItem.getInstance(FolderLookup.java:470)
	at
org.openide.util.lookup.AbstractLookup$R.allInstances(AbstractLookup.java:696)
	at
org.openide.util.lookup.ProxyLookup$R.computeResult(ProxyLookup.java:369)
	at
org.openide.util.lookup.ProxyLookup$R.allInstances(ProxyLookup.java:320)
	at
org.openide.util.lookup.ProxyLookup$R.computeResult(ProxyLookup.java:369)
	at
org.openide.util.lookup.ProxyLookup$R.allInstances(ProxyLookup.java:320)
	at
org.openide.util.SharedClassObject.findObject(SharedClassObject.java:484)
	at
org.netbeans.modules.debugger.support.DebuggerSupport.initGroups(DebuggerSupport.java:415)
	at
org.netbeans.modules.debugger.support.DebuggerSupport.getRootBreakpointGroup(DebuggerSupport.java:406)
	at
org.netbeans.modules.debugger.multisession.EnterpriseDebugger.createBreakpoint(EnterpriseDebugger.java:251)
	at
org.netbeans.modules.debugger.support.DebuggerSupport.createBreakpoint(DebuggerSupport.java:297)
	at
org.netbeans.modules.java.JavaEditor$JavaEditorComponent$ToggleBreakpointAction.actionPerformed(JavaEditor.java:1220)
	at
org.openide.util.actions.CallbackSystemAction.actionPerformed(CallbackSystemAction.java:169)
	at
org.netbeans.editor.GlyphGutter$GutterMouseListener.mouseClicked(GlyphGutter.java:686)
	at
java.awt.AWTEventMulticaster.mouseClicked(AWTEventMulticaster.java:211)
	at
java.awt.Component.processMouseEvent(Component.java:5103)
	at
java.awt.Component.processEvent(Component.java:4897)
	at
java.awt.Container.processEvent(Container.java:1569)
	at
java.awt.Component.dispatchEventImpl(Component.java:3615)
	at
java.awt.Container.dispatchEventImpl(Container.java:1627)
	at
java.awt.Component.dispatchEvent(Component.java:3477)
	at
java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:3483)
	at
java.awt.LightweightDispatcher.processMouseEvent(Container.java:3207)
	at
java.awt.LightweightDispatcher.dispatchEvent(Container.java:3128)
	at
java.awt.Container.dispatchEventImpl(Container.java:1613)
	at
java.awt.Window.dispatchEventImpl(Window.java:1606)
	at
java.awt.Component.dispatchEvent(Component.java:3477)
[catch] at
java.awt.EventQueue.dispatchEvent(EventQueue.java:456)
	at
java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:201)
	at
java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)
	at
java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:145)
	at
java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:137)
	at
java.awt.EventDispatchThread.run(EventDispatchThread.java:100)
Comment 1 Jan Jancura 2004-06-09 09:05:58 UTC 
We have rewritten this piece of code, so its fixed in the trunk.
Comment 2 Max Sauer 2005-07-11 12:51:46 UTC 
This issue is not reproducible (200507061800) and more than year old, closing..