Dear all:
I install the eclipse 3.1 , emf2.1.1, gef3.1, JBossIDE-jre1.5 1.4.1.e31-jre15, VE1.1.0.1, UML2 1.1.0, and JBoss-IDE AOP extension and standalone
I got the following error statement:

!ENTRY org.eclipse.jface 4 2 2005-09-26 08:14:39.593
!MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.jface".
!STACK 0
java.lang.NoSuchMethodError: org.eclipse.jdt.internal.debug.ui.launcher.LauncherMessages.getString(Ljava/lang/String;)Ljava/lang/String;
at org.jboss.ide.eclipse.launcher.ui.configuration.ServerLaunchArgumentsTab.createControl(ServerLaunchArgumentsTab.java:86)
at .....


Could anyone give me some advice how to solve this problem?
Thanks