Q:  Unpacking EMF package leads to errors (file names are too long). What can I do?

A:  Unpack it with WinRAR (Windows), which ignores these errors and overwrite the eclipse 
    installation. Alternatively you can download EMF within Eclipse Update site.


Q:  When creating an OCL Library, the following exception is thrown:
	java.net.MalformedURLException: unknown protocol: pathmap
        at java.net.URL.<init>(URL.java:544)
        at java.net.URL.<init>(URL.java:434)
        at java.net.URL.<init>(URL.java:383)
    
A:  Be sure to have installed the package org.eclipse.uml2.uml (being part of EMF) at its
    latest version (v0.8.0).