Error Messages

TOC(inline)

Error and warning dialogs

Unknown host

When you download data from or upload data to the OSM server JOSM tries to establish a connection with the OSM server. If it can't resolve the host name of the OSM server, it displays the following error message:

How to resolve

• check the URL displayed in the dialog (in the example above it's http://nosuchhost.openstreetmap.org/api)
• make sure your Help/Preferences include a valid URL to the OSM server. The standard URL is http://api.openstreetmap.org/api

Cam't initialize OSM API

When you download data from or upload data to the OSM server JOSM tries to establish a connection with the OSM server configured in the preferences. If JOSM can connect to the server but if it detects that the server isn't a supported OSM server it displays the following error message:

How to resolve

• check the URL displayed in the dialog (in the example above it's http://api07.dev.openstreetmap.org/api)
• make sure your Help/Preferences include a valid URL to the OSM server. The standard URL is http://api.openstreetmap.org/api