Checking the certificate[1] via a web browser says that the certificate for https://josm.openstreetmap.de/wiki/StartupPage is valid from Friday, December 09, 2016 1:37:29 PM until 12/9/2016. If you haven't used this computer for awhile you might check your JOSM version. I had no problems last night nor since the cert was issued on 12/9 with the latest version of JOSM. I don't know if the SHA-1 issue[2] is related.
If the issue is a proxy problem as Mike pointed out, then I recall that you have to add -Dhttp.proxyHost=yourProxyURL to your JOSM arguments before you can change the proxy settings in your preferences. [1] https://support.google.com/chrome/answer/95617?p=ui_security_indicator&rd=1 [2] http://blog.chromium.org/2014/09/gradually-sunsetting-sha-1.html On Mon, Dec 14, 2015 at 1:49 PM, Alan Bragg <alan.d.br...@gmail.com> wrote: > > > At 3pm EST JOSM is refusing to start. I getting this message. > If I ignore the message I can continue to use JOSM as usual. > > ----------------------------- > > JOSM tried to access the following resources: > > - https://josm.openstreetmap.de/maps > - https://josm.openstreetmap.de/wiki/StartupPage > > but *failed* to do so, because of the following network errors: > > - sun.security.provider.certpath.SunCertPathBuilderException: unable > to find valid certification path to requested target > > It may be due to a missing proxy configuration. > Would you like to change your proxy settings now? > > -------------------------------------------------------------------------------------- > > > > _______________________________________________ > Talk-us mailing list > Talk-us@openstreetmap.org > https://lists.openstreetmap.org/listinfo/talk-us > >
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