javaAccessorNotSet Exception in thread "main" java.lang.NoClassDefFoundError:

SEVERE:javaAccessorNotSet  Exception in thread "main" java.lang.NoClassDefFoundError: org.eclipse.core.runtime.CoreException
Solution:
Add C:\IBM\SDP70\runtimes\base_v61\runtimes\com.ibm.ws.webservices.thinclient_6.1.0.jar to the project