In /Applications/Penrose\ Studio.app/Contents/MacOS/configuration/config.ini osgi.splashPath=platform:/base/plugins/org.safehaus.penrose.studio will cause Penrose Studio to launch itself indefinitely. A workaround: by removing splashscreen by setting osgi.splashPath= will fix the infinite launching problem. ========================================================= Issue dump from jira $VAR1 = { 'priority' => '3', 'customFieldValues' => [], 'project' => 'PENROSE', 'status' => '1', 'components' => [ { 'name' => 'Studio', 'id' => '10010' } ], 'reporter' => 'jimyang', 'key' => 'PENROSE-291', 'assignee' => 'jimyang', 'summary' => 'Calling Eclipse Splash Screen causing Studio to execute itself', 'id' => '10984', 'updated' => '2008-04-07 17:41:56.0', 'votes' => '0', 'fixVersions' => [ { 'releaseDate' => '2008-09-18 00:00:00.0', 'sequence' => '31', 'name' => 'Penrose-2.1', 'released' => 'false', 'id' => '10130', 'archived' => 'false' } ], 'affectsVersions' => [], 'description' => 'In /Applications/Penrose\\ Studio.app/Contents/MacOS/configuration/config.ini osgi.splashPath=platform:/base/plugins/org.safehaus.penrose.studio will cause Penrose Studio to launch itself indefinitely. A workaround: by removing splashscreen by setting osgi.splashPath= will fix the infinite launching problem. ', 'created' => '2008-04-07 10:58:42.0', 'type' => '1' }; =========================================================