The eubuild for vtk-4.2.6 adds "/usr/share/${PN}/${PN}.jar" to the classpath, but should instead add "/usr/share/${PN}/lib/${PN}.jar" Reproducible: Always Steps to Reproduce: 1.emerge vtk with java support 2.try to compile a simple java example Actual Results: something like: Cone3.java:70: cannot find symbol symbol : class vtkRenderer Expected Results: the classpath should have been set up correctly by the ebuild.
This has been fixed in portage cvs. Thanks for reporting!