On 3 Mar 2012, at 13:49, Sebastian Schelter wrote: > Hi Benjamin, > > Does your vertex class have a publicly accessible no-arg constructor? > That's implicitly required because each Vertex class implements Writable.
Thanks for the hint, I ran into that problem a little bit later. I had to add a no-arg constructor for my Vertex State class. > If you want to use to have a look at your code, you could maybe put it > on github? After debugging some other issues, I successfully got my code to run. Now I just need to make it actually run the algorithm properly ;) But I will check if I can put my code on github. cheers, Benjamin.