Description of problem: JOSM uses 2 CPU cores at 100% load (of a quad core CPU) only to move the map. Heavy general GUI slowness Version-Release number of selected component (if applicable): 8109
Upstream bugreport https://josm.openstreetmap.de/ticket/11323 {{{ Revision: 8109 Is-Local-Build: true Build-Date: 2015-03-03 19:34:02 Identification: JOSM/1.5 (8109 SVN it) Linux Fedora release 21 (Twenty One) Memory Usage: 479 MB / 3566 MB (421 MB allocated, but free) Java version: 1.8.0_40-debug, Oracle Corporation, OpenJDK 64-Bit Server VM Plugins: - FastDraw (30892) - HouseNumberTaggingTool (30892) - OpeningHoursEditor (30962) - contourmerge (1012) - download_along (30892) - editgpx (30892) - geochat (31056) - jts (31002) - log4j (30892) - mirrored_download (30962) - print (30892) - reverter (30990) Last errors/warnings: - W: PluginException: File jar non valido '/home/user/.josm/plugins/geotools.jar.new' - W: Fallita la scansione del file 'geotools.jar.new' per le informazioni dell'estensione. Tralascio. - W: Fallita l'installazione dell'estensione '/home/user/.josm/plugins/geotools.jar' dal file di scaricamento temporaneo '/home/user/.josm/plugins/geotools.jar.new'. error in opening zip file }}}