Disabling my third monitor through MATE's control center allowed JOSM to start properly(using system installed version).
You can close the bug report against JOSM, it's clearly a Java or Mate issue. Thanks, Pat Sent with ProtonMail Secure Email. ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ On April 12, 2018 3:21 PM, Patrick Noll <patrickn...@protonmail.com> wrote: > Following was tried and no change: > > update-java-alternatives -s java-1.9.0-openjdk-amd64 > > JAVA_OPTS="-Djosm.home=${HOME}/.josm-new-home" josm > > uninstalling openjdk-8 > > running josm with root > > Tried and was moderately successful: > > running josm using openjdk-8 : splash screen showed, plugins updated, main > screen shows, osm downloader would still fail > > Tried and Successful: > > Download josm-tested.jar from josm website and run it from ~/Downloads using > openjdk-9 > > Pat > > Sent with ProtonMail Secure Email. > > ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ > > On April 10, 2018 11:55 PM, Bas Couwenberg sebas...@xs4all.nl wrote: > > > Control: severity -1 important > > > > Control: tags -1 moreinfo unreproducible > > > > On 2018-04-11 08:09, patrick noll wrote: > > > > > JOSM fails when trying to launch from menu or cli and returns pop up > > > > > > with following info: > > > > I cannot reproduce this issue, josm works as expected on my system. > > > > Ensure that you have configured openjdk-9 as the default: > > > > update-java-alternatives -s java-1.9.0-openjdk-amd64 > > > > If the issue persists try starting josm with a clean profile: > > > > JAVA_OPTS="-Djosm.home=${HOME}/.josm-new-home" josm > > > > If that works, there is probably a plugin, setting or other file in your > > > > JOSM directory that breaks the new version. > > > > Kind Regards, > > > > Bas