I get the same error when receiving a message over Facebook XMPP. ish@inote:~$ jitsi ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.rear ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.center_lfe ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side bt_audio_service_open: connect() failed: Connection refused (111) bt_audio_service_open: connect() failed: Connection refused (111) bt_audio_service_open: connect() failed: Connection refused (111) bt_audio_service_open: connect() failed: Connection refused (111) ALSA lib pcm_dmix.c:961:(snd_pcm_dmix_open) The dmix plugin supports only playback stream org.osgi.framework.BundleException: Unresolved constraint in bundle net.java.sip.communicator.plugin.propertieseditor [82]: Unable to resolve 82.0: missing requirement [82.0] osgi.wiring.package; (osgi.wiring.package=org.apache.commons.lang3) at org.apache.felix.framework.Felix.resolveBundleRevision(Felix.java:3818) at org.apache.felix.framework.Felix.startBundle(Felix.java:1868) at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:1191) at org.apache.felix.framework.FrameworkStartLevelImpl.run(FrameworkStartLevelImpl.java:295) at java.lang.Thread.run(Thread.java:744) 11:41:23.759 SEVERE: [113] impl.protocol.jabber.InfoRetreiver.retrieveDetails().344 Cannot load details for contact -