Why the ScrollDemo sample can not be debugged in Eclipse?

Hi, All,
I am an newer of the Swing/JFC. When I debugged the ScrollDemo in Eclipse 3.0.2, it always reported an exception at setRowHeaderView(...). But it could run perfectly. So I am confused. Who can tell me whether it is a bug of Eclipse or a bug of the ScrollDemo sample?
Thanks,
Terry Nee

The debug window displays:
Thread [DestroyJavaVM] (Running)
Thread [AWT-Shutdown] (Running)
Thread [AWT-Windows] (Running)
Thread [AWT-EventQueue-0] (Suspended (exception ArrayIndexOutOfBoundsException))
     JViewport(Container).getComponent(int) line: not available
     JViewport.getView() line: not available [local variables unavailable]
     JViewport.getViewPosition() line: not available [local variables unavailable]
     MetalScrollPaneUI(BasicScrollPaneUI).updateColumnHeader(PropertyChangeEvent) line: not available
     BasicScrollPaneUI$Handler.scrollPanePropertyChange(PropertyChangeEvent) line: not available
     BasicScrollPaneUI$Handler.propertyChange(PropertyChangeEvent) line: not available
     PropertyChangeSupport.firePropertyChange(PropertyChangeEvent) line: not available
     PropertyChangeSupport.firePropertyChange(String, Object, Object) line: not available
     JScrollPane(Component).firePropertyChange(String, Object, Object) line: not available
     JScrollPane.setColumnHeader(JViewport) line: not available
     JScrollPane.setColumnHeaderView(Component) line: not available
     ScrollDemo.<init>() line: 55
     ScrollDemo.createAndShowGUI() line: 114
     ScrollDemo.access$0() line: 105
     ScrollDemo$1.run() line: 128
     InvocationEvent.dispatch() line: not available [local variables unavailable]
     EventQueue.dispatchEvent(AWTEvent) line: not available
     EventDispatchThread.pumpOneEventForHierarchy(int, Component) line: not available
     EventDispatchThread.pumpEventsForHierarchy(int, Conditional, Component) line: not available
     EventDispatchThread.pumpEvents(int, Conditional) line: not available
     EventDispatchThread.pumpEvents(Conditional) line: not available
     EventDispatchThread.run() line: not available [local variables unavailable]
Thread [Java2D Disposer] (Running)

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Why the Oracle Coherence can not run successsfully?
When I run the costomized cache-server.cmd file, the following error message shows up:
C:\coherence\examples\java> *contacts-cache-server.cmd*
2009-10-22 10:57:10.609/0.563 Oracle Coherence 3.5.2/463 <Info> (thread=main, member=n/a): Loaded operational configur
ion from resource "jar:file:/C:/coherence/lib/coherence.jar!/tangosol-coherence.xml"
2009-10-22 10:57:10.624/0.578 Oracle Coherence 3.5.2/463 <Info> (thread=main, member=n/a): Loaded operational override
from resource "jar:file:/C:/coherence/lib/coherence.jar!/tangosol-coherence-override-dev.xml"
2009-10-22 10:57:10.624/0.578 Oracle Coherence 3.5.2/463 <D5> (thread=main, member=n/a): Optional configuration overri
"/tangosol-coherence-override.xml" is not specified
2009-10-22 10:57:10.624/0.578 Oracle Coherence 3.5.2/463 <D5> (thread=main, member=n/a): Optional configuration overri
"/custom-mbeans.xml" is not specified
Oracle Coherence Version 3.5.2/463
Grid Edition: Development mode
Copyright (c) 2000, 2009, Oracle and/or its affiliates. All rights reserved.
2009-10-22 10:57:11.062/1.016 Oracle Coherence GE 3.5.2/463 <Info> (thread=main, member=n/a): Loaded cache configurati
from "file:/C:/home/oracle/coherence/Contacts/contacts-cache-config.xml"
2009-10-22 10:57:12.078/2.032 Oracle Coherence GE 3.5.2/463 <D5> (thread=Cluster, member=n/a): Service Cluster joined
e cluster with senior service member n/a
2009-10-22 10:57:15.328/5.282 Oracle Coherence GE 3.5.2/463 <Info> (thread=Cluster, member=n/a): Created a new cluster
cluster:0xD3FB" with Member(Id=1, Timestamp=2009-10-22 10:57:11.734, Address=192.168.16.83:8088, MachineId=30803, Loca
on=site:metsys.metex.com,machine:NECu10,process:3820, Role=CoherenceServer, Edition=Grid Edition, Mode=Development, Cp
ount=4, SocketCount=4) UID=0xC0A81053000001247CC05C3678531F98
2009-10-22 10:57:15.375/5.329 Oracle Coherence GE 3.5.2/463 <D5> (thread=Invocation:Management, member=1): Service Man
ement joined the cluster with senior service member 1
2009-10-22 10:57:15.875/5.829 Oracle Coherence GE 3.5.2/463 <D5> (thread=DistributedCache:PartitionedPofCache, member=
: Service PartitionedPofCache joined the cluster with senior service member 1
2009-10-22 10:57:15.890/5.844 Oracle Coherence GE 3.5.2/463 <Info> (thread=DistributedCache:PartitionedPofCache, membe
1): Loading POF configuration from resource "file:/C:/home/oracle/coherence/Contacts/classes/contacts-pof-config.xml"
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=1): Terminating DistributedCache due to unhandled exception: com.tangosol.util.WrapperException
2009-10-22 10:57:15.906/5.860 Oracle Coherence GE 3.5.2/463 <Error> (thread=DistributedCache:PartitionedPofCache, memb
=1):
(Wrapped) (Wrapped: error configuring class "com.tangosol.io.pof.ConfigurablePofContext") (Wrapped: Failed to parse PO
configuration (Config=contacts-pof-config.xml)) java.io.IOException: Exception occurred during parsing: looking for id
, found id=3((0,0,65) Character Data Literal {\rtf1\ansi\ansicpg1252\deff0\deflang4105{\fonttbl{\f0\fmodern\fcharset0
urier;}{\f1\fmodern\fcharset0 Courier-Bold;}{\f2\fswiss\fcharset0 Arial;}}
{\*\generator Msftedit 5.41.21.2500;}\viewkind4\uc1\pard\f0\fs18 )
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        at com.tangosol.coherence.component.util.daemon.queueProcessor.service.grid.DistributedCache.onServiceStarted(
stributedCache.CDB:99)
        at com.tangosol.coherence.component.util.daemon.queueProcessor.service.Grid.onServiceState(Grid.CDB:23)
        at com.tangosol.coherence.component.util.daemon.queueProcessor.Service.setServiceState(Service.CDB:8)
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        at com.tangosol.coherence.component.util.daemon.queueProcessor.service.Grid$NotifyStartup.onReceived(Grid.CDB:
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dCache.CDB:3)
        at com.tangosol.coherence.component.util.Daemon.run(Daemon.CDB:42)
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configuration (Config=contacts-pof-config.xml)) java.io.IOException: Exception occurred during parsing: looking for i
9, found id=3((0,0,65) Character Data Literal {\rtf1\ansi\ansicpg1252\deff0\deflang4105{\fonttbl{\f0\fmodern\fcharset0
ourier;}{\f1\fmodern\fcharset0 Courier-Bold;}{\f2\fswiss\fcharset0 Arial;}}
{\*\generator Msftedit 5.41.21.2500;}\viewkind4\uc1\pard\f0\fs18 )
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ryConverter(DistributedCache.CDB:3)
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        at com.tangosol.coherence.component.util.daemon.queueProcessor.service.grid.DistributedCache$BackingMapContext
nInit(DistributedCache.CDB:2)
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occurred during parsing: looking for id=9, found id=3((0,0,65) Character Data Literal {\rtf1\ansi\ansicpg1252\deff0\de
ang4105{\fonttbl{\f0\fmodern\fcharset0 Courier;}{\f1\fmodern\fcharset0 Courier-Bold;}{\f2\fswiss\fcharset0 Arial;}}
{\*\generator Msftedit 5.41.21.2500;}\viewkind4\uc1\pard\f0\fs18 )
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        at com.tangosol.io.pof.ConfigurablePofContext.createPofConfig(ConfigurablePofContext.java:812)
        at com.tangosol.io.pof.ConfigurablePofContext.initialize(ConfigurablePofContext.java:762)
        at com.tangosol.io.pof.ConfigurablePofContext.setContextClassLoader(ConfigurablePofContext.java:325)
        at com.tangosol.coherence.component.util.daemon.queueProcessor.Service.ensureSerializer(Service.CDB:45)
        ... 14 more
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Literal {\rtf1\ansi\ansicpg1252\deff0\deflang4105{\fonttbl{\f0\fmodern\fcharset0 Courier;}{\f1\fmodern\fcharset0 Couri
-Bold;}{\f2\fswiss\fcharset0 Arial;}}....
{code}
The content of the contacts-cache-server.cmd file is shown here under:
(its location is C:\coherence\examples\java
{code}@echo off
setlocal
if (%COHERENCE_HOME%)==() (
set COHERENCE_HOME=c:\coherence
set CONFIG=C:\home\oracle\coherence\Contacts
set COH_OPTS=%COH_OPTS% -server -cp %COHERENCE_HOME%\lib\coherence.jar;C:\home\oracle\coherence\Contacts\classes
set COH_OPTS=%COH_OPTS% -Dtangosol.coherence.cacheconfig=%CONFIG%\contacts-cache-config.xml
java %COH_OPTS% -Xms1g -Xmx1g -Xloggc: com.tangosol.net.DefaultCacheServer %2 %3 %4 %5 %6 %7
:exit{code}
The contents of the contacts-cache-config.xml file is shown here under:
(its location is C:\home\oracle\coherence\Contacts
{code}<?xml version="1.0"?>
<!DOCTYPE cache-config SYSTEM "cache-config.dtd">
<cache-config>
<caching-scheme-mapping>
    <cache-mapping>
        <cache-name>*</cache-name>
        <scheme-name>ExamplesPartitionedPofScheme</scheme-name>
      </cache-mapping>
    </caching-scheme-mapping>
<caching-schemes>
    <distributed-scheme>
      <scheme-name>ExamplesPartitionedPofScheme</scheme-name>
      <service-name>PartitionedPofCache</service-name>
      <serializer>
        <class-name>com.tangosol.io.pof.ConfigurablePofContext</class-name>
          <init-params>
            <init-param>
              <param-type>String</param-type>
              <param-value>contacts-pof-config.xml</param-value>
            </init-param>
          </init-params>
       </serializer>
     <backing-map-scheme>
       <local-scheme>
         
             <high-units>250M</high-units>
             <unit-calculator>binary</unit-calculator>
          </local-scheme>
       </backing-map-scheme>
       <autostart>true</autostart>
    </distributed-scheme>
</caching-schemes>
</cache-config>{code}
The contents of the contacts-pof-config.xml file is shown here under:
{code}
<?xml version="1.0"?>
<!DOCTYPE pof-config SYSTEM "pof-config.dtd">
<pof-config>
<user-type-list>
    
    <include>coherence-pof-config.xml</include>
    
    <user-type>
      <type-id>1002</type-id>
      <class-name>com.tangosol.examples.model.Contact</class-name>
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    <user-type>
      <type-id>1003</type-id>
      <class-name>com.tangosol.examples.model.Address</class-name>
    </user-type>
    <user-type>
        <type-id>1004</type-id>
      <class-name>com.tangosol.examples.model.Phone</class-name>
    </user-type>
</user-type-list>
<allow-interfaces>true</allow-interfaces>
<allow-subclasses>true</allow-subclasses>
</pof-config> {code}

I have saved it as a XML documetent. it this OK?
What the following error message shows us?
Caused by: (Wrapped: error configuring class "com.tangosol.io.pof.ConfigurablePofContext") java.lang.UnsupportedClassVer
sionError: Bad version number in .class file
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        at com.tangosol.coherence.component.util.daemon.queueProcessor.service.grid.DistributedCache.instantiateFromBina
ryConverter(DistributedCache.CDB:3)
        at com.tangosol.coherence.component.util.daemon.queueProcessor.service.grid.DistributedCache$BackingMapContext.s
etClassLoader(DistributedCache.CDB:6)
        at com.tangosol.coherence.component.util.daemon.queueProcessor.service.grid.DistributedCache$BackingMapContext.o
nInit(DistributedCache.CDB:2)
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        ... 10 more
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        at java.net.URLClassLoader.access$100(Unknown Source)
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        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClassInternal(Unknown Source)
        at java.lang.Class.forName0(Native Method)
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        at com.tangosol.io.pof.ConfigurablePofContext.setContextClassLoader(ConfigurablePofContext.java:325)
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