I have similiar error in pidgin and I am not able to connect to ocs server through pidgin sipe. I have set the env variable in /etc/environment, did export too..I tried in empathy and pidgin both..Its not working for me.. Following is the pidgin debug log for me... (10:34:06) prefs: Reading /home/mitza/.purple/prefs.xml (10:34:06) prefs: Finished reading /home/mitza/.purple/prefs.xml (10:34:06) prefs: purple_prefs_get_path: Unknown pref /pidgin/browsers/command (10:34:06) dbus: okkk (10:34:06) plugins: probing /usr/lib/pidgin/gestures.so (10:34:06) plugins: probing /usr/lib/pidgin/xmppdisco.so (10:34:06) plugins: probing /usr/lib/pidgin/timestamp_format.so (10:34:06) plugins: probing /usr/lib/pidgin/extplacement.so (10:34:06) plugins: probing /usr/lib/pidgin/spellchk.so (10:34:06) plugins: probing /usr/lib/pidgin/iconaway.so (10:34:06) plugins: probing /usr/lib/pidgin/history.so (10:34:06) plugins: probing /usr/lib/pidgin/musicmessaging.so (10:34:06) plugins: probing /usr/lib/pidgin/themeedit.so (10:34:06) plugins: probing /usr/lib/pidgin/notify.so (10:34:06) plugins: probing /usr/lib/pidgin/sendbutton.so (10:34:06) plugins: probing /usr/lib/pidgin/cap.so (10:34:06) plugins: probing /usr/lib/pidgin/timestamp.so (10:34:06) plugins: probing /usr/lib/pidgin/convcolors.so (10:34:06) plugins: probing /usr/lib/pidgin/pidginrc.so (10:34:06) plugins: probing /usr/lib/pidgin/ticker.so (10:34:06) plugins: probing /usr/lib/pidgin/vvconfig.so (10:34:06) plugins: probing /usr/lib/pidgin/gtkbuddynote.so (10:34:06) plugins: probing /usr/lib/pidgin/xmppconsole.so (10:34:06) plugins: probing /usr/lib/pidgin/markerline.so (10:34:06) plugins: probing /usr/lib/purple-2/libbonjour.so (10:34:06) plugins: probing /usr/lib/purple-2/libicq.so (10:34:06) plugins: probing /usr/lib/purple-2/libmxit.so (10:34:06) prpl-loubserp-mxit: Loading MXit libPurple plugin... (10:34:06) plugins: probing /usr/lib/purple-2/dbus-example.so (10:34:06) plugins: probing /usr/lib/purple-2/libyahoojp.so (10:34:06) plugins: probing /usr/lib/purple-2/libmsn.so (10:34:06) plugins: probing /usr/lib/purple-2/libsametime.so (10:34:06) plugins: /usr/lib/purple-2/libsametime.so has a prefs_info, but is a prpl. This is no longer supported. (10:34:06) plugins: probing /usr/lib/purple-2/ssl.so (10:34:06) plugins: probing /usr/lib/purple-2/statenotify.so (10:34:06) plugins: probing /usr/lib/purple-2/autoaccept.so (10:34:06) plugins: probing /usr/lib/purple-2/buddynote.so (10:34:06) plugins: probing /usr/lib/purple-2/libyahoo.so (10:34:06) plugins: probing /usr/lib/purple-2/libirc.so (10:34:06) plugins: probing /usr/lib/purple-2/psychic.so (10:34:06) plugins: probing /usr/lib/purple-2/libxmpp.so (10:34:06) plugins: probing /usr/lib/purple-2/libzephyr.so (10:34:06) plugins: probing /usr/lib/purple-2/libgg.so (10:34:06) plugins: probing /usr/lib/purple-2/libnovell.so (10:34:06) plugins: probing /usr/lib/purple-2/perl.so (10:34:06) plugins: probing /usr/lib/purple-2/pidgin-libnotify.so (10:34:06) plugins: probing /usr/lib/purple-2/log_reader.so (10:34:06) plugins: probing /usr/lib/purple-2/libjabber.so (10:34:06) plugins: /usr/lib/purple-2/libjabber.so is not usable because the 'purple_init_plugin' symbol could not be found. Does the plugin call the PURPLE_INIT_PLUGIN() macro? (10:34:06) plugins: probing /usr/lib/purple-2/libmyspace.so (10:34:06) plugins: probing /usr/lib/purple-2/libsimple.so (10:34:06) plugins: probing /usr/lib/purple-2/idle.so (10:34:06) plugins: probing /usr/lib/purple-2/liboscar.so (10:34:06) plugins: /usr/lib/purple-2/liboscar.so is not usable because the 'purple_init_plugin' symbol could not be found. Does the plugin call the PURPLE_INIT_PLUGIN() macro? (10:34:06) plugins: probing /usr/lib/purple-2/libsipe.so (10:34:06) sipe: bindtextdomain = /usr/share/locale (10:34:06) sipe: bind_textdomain_codeset = UTF-8 (10:34:06) sipe: NSS initialised (10:34:06) plugins: probing /usr/lib/purple-2/joinpart.so (10:34:06) plugins: probing /usr/lib/purple-2/newline.so (10:34:06) plugins: probing /usr/lib/purple-2/tcl.so (10:34:06) plugins: /usr/lib/purple-2/tcl.so is not loadable: libtcl8.5.so.0: cannot open shared object file: No such file or directory (10:34:06) plugins: probing /usr/lib/purple-2/libymsg.so (10:34:06) plugins: /usr/lib/purple-2/libymsg.so is not usable because the 'purple_init_plugin' symbol could not be found. Does the plugin call the PURPLE_INIT_PLUGIN() macro? (10:34:06) plugins: probing /usr/lib/purple-2/libaim.so (10:34:06) plugins: probing /usr/lib/purple-2/ssl-nss.so (10:34:06) plugins: probing /usr/lib/purple-2/offlinemsg.so (10:34:06) util: Reading file xmpp-caps.xml from directory /home/mitza/.purple (10:34:06) util: File /home/mitza/.purple/xmpp-caps.xml does not exist (this is not necessarily an error) (10:34:06) jabber: creating hash tables for data objects (10:34:06) prefs: /purple/status/scores/offline changed, scheduling save. (10:34:06) prefs: /purple/status/scores/available changed, scheduling save. (10:34:06) prefs: /purple/status/scores/invisible changed, scheduling save. (10:34:06) prefs: /purple/status/scores/away changed, scheduling save. (10:34:06) prefs: /purple/status/scores/extended_away changed, scheduling save. (10:34:06) prefs: /purple/status/scores/idle changed, scheduling save. (10:34:06) prefs: /purple/status/scores/offline_msg changed, scheduling save. (10:34:06) util: Reading file accounts.xml from directory /home/mitza/.purple (10:34:06) util: Reading file status.xml from directory /home/mitza/.purple (10:34:06) certificate: CertificateVerifier x509, singleuse requested but not found. (10:34:06) certificate: CertificateVerifier singleuse registered (10:34:06) certificate: CertificatePool x509, ca requested but not found. (10:34:06) certificate: CertificateScheme x509 requested but not found. (10:34:06) certificate/x509/ca: Lazy init failed because an X.509 Scheme is not yet registered. Maybe it will be better later. (10:34:06) certificate/x509/ca: Init failed, probably because a dependency is not yet registered. It has been deferred to later. (10:34:06) certificate: CertificatePool ca registered (10:34:06) certificate: CertificatePool x509, tls_peers requested but not found. (10:34:06) certificate: CertificatePool tls_peers registered (10:34:06) certificate: CertificateVerifier x509, tls_cached requested but not found. (10:34:06) certificate: CertificateVerifier tls_cached registered (10:34:06) prefs: /purple/logging/format changed, scheduling save. (10:34:06) prefs: /purple/logging/format changed, scheduling save. (10:34:06) prefs: /purple/proxy/type changed, scheduling save. (10:34:06) prefs: /purple/proxy/host changed, scheduling save. (10:34:06) prefs: /purple/proxy/port changed, scheduling save. (10:34:06) prefs: /purple/proxy/username changed, scheduling save. (10:34:06) prefs: /purple/proxy/password changed, scheduling save. (10:34:06) certificate: CertificateScheme x509 requested but not found. (10:34:06) certificate: CertificateScheme x509 registered (10:34:06) util: Reading file smileys.xml from directory /home/mitza/.purple (10:34:06) util: File /home/mitza/.purple/smileys.xml does not exist (this is not necessarily an error) (10:34:06) stun: using server (10:34:06) sound: Initializing sound output drivers. (10:34:06) prefs: /pidgin/conversations/placement changed, scheduling save. (10:34:06) prefs: purple_prefs_get_bool: Unknown pref /pidgin/docklet/x11/embedded (10:34:06) gtkmedia: Registering media element types (10:34:06) util: Reading file blist.xml from directory /home/mitza/.purple (10:34:06) plugins: Loading saved plugin /usr/lib/purple-2/pidgin-libnotify.so (10:34:06) plugins: Loading saved plugin /usr/lib/purple-2/ssl-nss.so (10:34:06) plugins: Loading saved plugin /usr/lib/purple-2/ssl.so (10:34:06) pounce: Error reading pounces: Failed to open file '/home/mitza/.purple/pounces.xml': No such file or directory (10:34:06) Session Management: ICE initialized. (10:34:06) Session Management: Connecting with no previous ID (10:34:06) Session Management: Handling new ICE connection... (10:34:06) done. (10:34:06) Session Management: Connected to manager (gnome-session) with client ID 10ec8bc245e4aa0a7b134371104625804800000012630043 (10:34:06) Session Management: Using pidgin as command (10:34:06) GLib-GObject: value "-1216724620" of type `gint' is invalid or out of range for property `weight' of type `gint' (10:34:06) account: Connecting to account ********@************.com,mydomain\myuser. (10:34:06) connection: Connecting. gc = 0xb9482968 (10:34:06) sipe: sipe_login: username '********@************.com,mydomain\myuser' (10:34:06) sipe: sipe_login: login 'mydomain\myuser' (10:34:06) sipe: sipe_login: auth domain 'vshodc' user '299117' (10:34:06) sipe: sipe_core_allocate: signin_name '********@************.com' (10:34:06) sipe: sipe_core_allocate: user 'kunal.narkhede' domain 'mycompany.com' (10:34:06) sipe: sipe_core_connect: user specified SIP server 203.199.54.53:0 (10:34:06) sipe: transport_connect - hostname: 203.199.54.53 port: 5061 (10:34:06) sipe: using SSL (10:34:06) proxy: No environment settings found, not using a proxy (10:34:06) dnsquery: Performing DNS lookup for 203.199.54.53 (10:34:06) Session Management: Received first save_yourself (10:34:06) dnsquery: IP resolved for 203.199.54.53 (10:34:06) proxy: Attempting connection to 203.199.54.53 (10:34:06) proxy: Connecting to 203.199.54.53:5061 with no proxy (10:34:06) proxy: Connection in progress (10:34:06) Session Management: Received save_complete (10:34:06) proxy: Connecting to 203.199.54.53:5061. (10:34:06) proxy: Connected to 203.199.54.53:5061. (10:34:06) gtkblist: added visibility manager: 1 (10:34:06) nss: subject=CN=sip.mycompany.com,OU=Comodo Unified Communications,O=mycompany Limited,STREET="Satish Joshi Computer Center, Saki Vihar Road , Powai",L=Mumbai,ST=Maharashtra,postalCode=400072,C=IN issuer=CN=USERTrust Legacy Secure Server CA,O=The USERTRUST Network,L=Salt Lake City,ST=UT,C=US (10:34:06) nss: subject=CN=USERTrust Legacy Secure Server CA,O=The USERTRUST Network,L=Salt Lake City,ST=UT,C=US issuer=CN=Entrust.net Secure Server Certification Authority,OU=(c) 1999 Entrust.net Limited,OU=www.entrust.net/CPS incorp. by ref. (limits liab.),O=Entrust.net,C=US (10:34:06) nss: subject=CN=Entrust.net Secure Server Certification Authority,OU=(c) 1999 Entrust.net Limited,OU=www.entrust.net/CPS incorp. by ref. (limits liab.),O=Entrust.net,C=US issuer=CN=Entrust.net Secure Server Certification Authority,OU=(c) 1999 Entrust.net Limited,OU=www.entrust.net/CPS incorp. by ref. (limits liab.),O=Entrust.net,C=US (10:34:06) certificate/x509/tls_cached: Starting verify for 203.199.54.53 (10:34:06) certificate/x509/tls_cached: Checking for cached cert... (10:34:06) certificate/x509/tls_cached: ...Found cached cert (10:34:06) nss/x509: Loading certificate from /home/mitza/.purple/certificates/x509/tls_peers/203.199.54.53 (10:34:06) certificate/x509/tls_cached: Peer cert matched cached (10:34:06) nss/x509: Exporting certificate to /home/mitza/.purple/certificates/x509/tls_peers/203.199.54.53 (10:34:06) util: Writing file /home/mitza/.purple/certificates/x509/tls_peers/203.199.54.53 (10:34:06) certificate: Successfully verified certificate for 203.199.54.53 (10:34:06) stun: using server (10:34:06) stun: using server (10:34:06) stun: using server (10:34:06) sipe: SIP transactions count:1 after addition (10:34:06) sipe: MESSAGE START >>>>>>>>>> SIP - 2012-07-31T05:04:06.512547Z REGISTER sip:mycompany.com SIP/2.0 Via: SIP/2.0/tls 192.168.1.3:42323;branch=z9hG4bKABA3F68D89FBC83FE1A4 From: ;tag=475923502;epid=004e48f1a788 To: Max-Forwards: 70 CSeq: 1 REGISTER User-Agent: Purple/2.10.3 Sipe/1.11.2 (linux-i386; ) Call-ID: 3108g6158aD6F9i420Dm2DF8t2C21bBF47x49BFx Contact: ;methods="INVITE, MESSAGE, INFO, SUBSCRIBE, OPTIONS, BYE, CANCEL, NOTIFY, ACK, REFER, BENOTIFY";proxy=replace;+sip.instance="" Supported: gruu-10, adhoclist, msrtc-event-categories, com.microsoft.msrtc.presence Event: registration Allow-Events: presence ms-keep-alive: UAC;hop-hop=yes Content-Length: 0 MESSAGE END >>>>>>>>>> SIP - 2012-07-31T05:04:06.512547Z (10:34:06) sipe: transport_input_common: new buffer length 4096 (10:34:06) sipe: Read error (10:34:06) connection: Connection error on 0xb9482968 (reason: 0 description: Read error) (10:34:06) sipe: transport_canwrite_cb: written <= 0, exiting (10:34:06) sipe: Server has disconnected (10:34:06) sipe: transport_canwrite_cb: written <= 0, exiting (10:34:06) account: Disconnecting account ********@************.com,mydomain\myuser (0xb91142c8) (10:34:06) connection: Disconnecting connection 0xb9482968 (10:34:06) sipe: SIP transactions count:0 after removal (10:34:06) GLib: g_hash_table_destroy: assertion `hash_table != NULL' failed (10:34:06) connection: Destroying connection 0xb9482968 (10:34:07) util: requesting to fetch a URL (10:34:07) dnsquery: Performing DNS lookup for 192.168.1.1 (10:34:07) dnsquery: IP resolved for 192.168.1.1 (10:34:07) proxy: Attempting connection to 192.168.1.1 (10:34:07) proxy: Connecting to 192.168.1.1:5431 with no proxy (10:34:07) proxy: Connection in progress (10:34:07) proxy: Connecting to 192.168.1.1:5431. (10:34:07) proxy: Connected to 192.168.1.1:5431. (10:34:07) util: request constructed (10:34:07) util: Response headers: 'HTTP/1.0 200 OK SERVER: LINUX/2.4 UPnP/1.0 BRCM400/1.0 DATE: Sat, 01 Jan 2000 00:26:07 GMT CONTENT-TYPE: application/octet-stream Cache-Control: max-age=1 PRAGMA: no-cache Connection: Close ' (10:34:07) g_log: xmlnode_get_child_with_namespace: assertion `parent != NULL' failed (10:34:07) upnp: parse_description_response(): could not get serviceTypeNode 1 (10:34:07) upnp: purple_upnp_parse_description(): control URL is NULL (10:34:11) util: Writing file prefs.xml to directory /home/mitza/.purple (10:34:11) util: Writing file /home/mitza/.purple/prefs.xml (10:34:11) util: Writing file accounts.xml to directory /home/mitza/.purple (10:34:11) util: Writing file /home/mitza/.purple/accounts.xml