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JFace ApplicationWindow: Simple Problem [message #439991]

Tue, 20 July 2004 11:09

Vince O'Sullivan

Messages: 25
Registered: July 2009

Junior Member

I've just written a trivial JFace Window example, taken from Lori Watson's
JFace Tutorial. It works fine.

On page 3 of the tutorial, it says that the Window base class can be
replaced by the ApplicationWindow base class and, for the trivial example
given, the results should be identical. However, I get the following error
instead:

An error dialog:

"Cannot find the main class. Program will exit."

Console message:

java.lang.NoClassDefFoundError: org/eclipse/core/runtime/IProgressMonitor
Exception in thread "main"

A thorough 'Googling' hasn't yielded me anything useful. Any ideas anyone?

(I'm running 3.0RC3 on Windows XP.)

Vince.

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Re: JFace ApplicationWindow: Simple Problem [message #440002 is a reply to message #439991]

Tue, 20 July 2004 13:08

Vince O'Sullivan

Messages: 25
Registered: July 2009

Junior Member

I cured the problem by Adding the external jars:
org.eclipse.core.runtime: runtime.jar
org.eclipse.osci: console.jar
org.eclipse.osci: core.jar
org.eclipse.osci: defaultAdapter.jar
org.eclipse.osci: eclipseAdapter.jar
org.eclipse.osci: osci.jar
org.eclipse.osci: resolver.jar

The code then worked. Subsequently, I've removed all the jars above and
the code still works.

Not sure what's going on.

Vince.

Vince wrote:

> I've just written a trivial JFace Window example, taken from Lori Watson's
> JFace Tutorial. It works fine.

> On page 3 of the tutorial, it says that the Window base class can be
> replaced by the ApplicationWindow base class and, for the trivial example
> given, the results should be identical. However, I get the following error
> instead:

> An error dialog:

> "Cannot find the main class. Program will exit."

> Console message:

> java.lang.NoClassDefFoundError: org/eclipse/core/runtime/IProgressMonitor
> Exception in thread "main"

> A thorough 'Googling' hasn't yielded me anything useful. Any ideas anyone?

> (I'm running 3.0RC3 on Windows XP.)

> Vince.

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Re: JFace ApplicationWindow: Simple Problem [message #466049 is a reply to message #440002]

Thu, 29 December 2005 20:39

david danchuk

Messages: 1
Registered: July 2009

Junior Member

CIRCUMVENTION: ADD THE FALLOWING TO PROJECT --> PROPERTIES -->
JAVA BUILD PATH --> ADD EXTERNAL JAR'S --> ORG.ECLIPSE.CORE.COMMANDS.
?????.JAR & ORG.ECLIPSE.EQUINOX.COMMON.?????.JAR (WHERE ????=VERSION #) FROM YOUR 'ECLIPSE.PLUGINS' FOLDER USED TO START ECLIPSE.

ECLIPSE VER 3.2 M4

BACKGROUND: I TRIED THE FIX FROM SANDBOX 11714 BUT IT DIDN'T WORK FOR ME.
I THEN FOUND BUGZILLA # 116520 AND UPGRADED TO tptp.runtime-TPTP-4.2.0-200512110100.zip & IT DIDN'T WORK EITHER. FINALLY, I FOUND BUGZILLA # 46517 & THEY HAD THE REASON & CAUSE. I THEN FOUND THESE JAR FILES GOT ME GOING!!!!!!!! HOPE THIS HELPS --- DAVE

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