EXECUTE: create seam web project (I've imported dvdstore EAR example) EXECUTE: open X (2 or more) xhtml files in VPE EXECUTE: restart JBDS/eclipse EXECUTE: delete project which contains opened xhtml files from workspace (don't delete files) ASSERT: all VPE editors are closed currently: there remains X - 1 editors with same NPE, see .log EXECUTE: import previously deleted project to workspace again EXECUTE: open X (2 or more) xhtml files in VPE EXECUTE: restart eclipse EXECUTE: close project which contains opened xhtml files ASSERT: all VPE editors are closed Currenly, X -1 editors remain saying : resource 'blah blah' does not exist