The DsDataSourceTemplate applyTemplate method is creating a temp file, but somewhere the file url is not being properly escaped (at least on mac os x), as a temp file name of

/var/folders/jY/jY1BDqLkHKO+a4nm+GooZE+++TI/Tmp/DsDataSourceTemplate9162352335796065232-ds.xml

is created, but when the file is accessed by the vfs, it fails with:

java.io.FileNotFoundException: /var/folders/jY/jY1BDqLkHKO a4nm GooZE TI/Tmp/DsDataSourceTemplate9162352335796065232-ds.xml