Comment 7 for bug 89832

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Edward Shornock (ed-shornock+launchpad) wrote : Re: An unhandled exception was thrown: Unable to open the session message bus.

I had the same problem. Install dbus-x11 to resolve it. I think that there should probably be a dependency on dbus-x11 by f-spot. The problem is that without dbus-x11 installed the DBUS_SESSION_BUS_ADDRESS variable is empty. With the empty variable, f-spot doesn't know how to find the session bus.

$ env |grep dbus
DBUS_SESSION_BUS_ADDRESS=unix:abstract=/tmp/dbus-ZvZLnHIH6V,guid=008017166bdeda5072adf400476f38bf