Put default Ehcache disk store under java.io.tmpdir to avoid polluting home directory.
Put default Ehcache disk store under java.io.tmpdir to avoid polluting home directory.

vtkio/vtk,vtkio/vtk,vtkio/vtk,vtkio/vtk,vtkio/vtk,vtkio/vtk,vtkio/vtk,vtkio/vtk