As far as I can see there is no stacktrace (at least I can't find any in the .log file or console view. There is an error entry in the Problems view (the one that I copied abbreviated in my original post). Here is the original item directly copied from the Problems view:
Originally Posted by Torsten Juergeleit
The same behavior occurs using a fresh Eclipse 3.3M4/WTP2.0M4 (and deps) installation using a clean (brand new) workspace.
Severity and Description Path Resource Location Creation Time Id
Unexpected exception parsing XML document from file [C:/workspace_test/test/src/applicationContext.xml]; nested exception is java.lang.LinkageError: loader constraint violation: when resolving method "org.springframework.ide.eclipse.core.io.xml.LineNumberPreservingDOMParser.setEntityResolver(Lorg/xml/sax/EntityResolver;)V" the class loader (instance of org/eclipse/osgi/internal/baseadaptor/DefaultClassLoader) of the current class, org/springframework/ide/eclipse/core/io/xml/XercesDocumentLoader, and the class loader (instance of org/eclipse/osgi/internal/baseadaptor/DefaultClassLoader) for resolved class, org/springframework/ide/eclipse/core/io/xml/LineNumberPreservingDOMParser, have different Class objects for the type org/xml/sax/EntityResolver used in the signature test/src applicationContext.xml Unknown 1170061696236 3
Spring IDE version is: 2.0.0.v200701250610
I tried both Java 1.6 and 1.5 -- no difference.
Thank you -- und Grüße nach Frankfurt!