Error while generating context layer model (Eclipse 2019-09 R)

[Viktor Velthuijs]

Dear David,

I'm getting the following two errors when trying to extract the context layer model:

either

Error while generating context layer model.

java.lang.NoClassDefFoundError: org/apache/batik/util/XMLConstants

or

Error while generating context layer model.

java.lang.NoClassDefFoundError: org/apache/batik/dom/util/DOMUtilities

Opening the resulting .svg file with Google Chrome gives me this message:

This XML file does not appear to have any style information associated with it. The document tree is shown below.

The context tree model generation is perfect.

Sincerely,

Viktor

[Dave Hofmann]

Hi Viktor,

from the subject line I gather that you installed MPS into an existing 2019-09 Eclipse installation. The error message indicates that MPS is not compatible with the Batik SVG library which is delivered with Eclipse 2019-09. The latest MPS version (currently 1.5.1) is built against the Eclipse 2019-03 distribution, and it seems like there was an incompatible change in Batik since.

Now there are two options:

- Either use the standalone MPS application or

- Wait for a new major MPS release. This will be based on Eclipse 2019-09. Hopefully I will find time for this in the next couple of weeks.

Best regards

Dave

[Dave Hofmann]

I forgot to mention:

- there is the third option to install MPS into an existing 2019-03 Eclipse.

[Dave Hofmann]

Hi Viktor,

MPS 1.6.0 was released today. It is based on Eclipse 2019-09 and the error should be gone hopefully.

I should add that this was not caused by an incompatible change in Batik. The reason is that the MPS update site delivered a mixture of different Batik versions (1.9.1 and 1.11.x). Now the same version is provided consistently. Please report if you still have problems with SVG generation.

Best

Dave