Redmine - problems to import stories

[MauroAndreFlores]

I'm testing the integration of jbehave with redmine.
I'm able to read a specific story:

    String text = loader.loadResourceAsText("http://localhost/redmine/projects/my-project/wiki/i_can_toggle_a_cell");

But when I try to read all the stories to the file system:

    ResourceImporter importer = new ImportToFilesystem(indexer, loader, targetPath, targetExt);
   importer.importResources("http://localhost/redmine/projects/my-project/wiki");

I get the following exception:

Exception in thread "main" org.jbehave.core.io.InvalidStoryResource: Invalid story resource for http://localhost/redmine/projects/apmjava-des/wiki/Wiki
Caused by: java.lang.IllegalStateException: Not a JSON Object: null

Probably I'm not publishing the set of stories in redmine correctly. I'm creating one wiki page for each story. The format is plain text. I haven't found any example.

Regards. Mauro.