Hi, Victor
    after  i downloaded the 1.2.0 version code(including server and java client)  from the download page, i can complie them successfully, but when i open the new version java console and connect to the new version server, error message comes out: "Server uses incompatible version of communication protocol", i'm very confused and copy some debug info from server:

[13-May-2012 23:17:56] [CLSN-0] Sending message CMD_REQUEST_COMPLETED
[13-May-2012 23:17:56] [CLSN-0] RecvNXCPMessageEx failed (0)
[13-May-2012 23:17:56] *Locks* All locks for session 0 removed
[13-May-2012 23:17:56] SQL request queued: INSERT INTO audit_log (record_id,time
stamp,subsystem,success,user_id,workstation,object_id,message) VALUES(7,13369222
76,'SECURITY',1,-1,'1.0.0.2',0,'User logged out (client: n/a)')
[13-May-2012 23:17:56] [CLSN-0] Session closed
[13-May-2012 23:17:56] Successful sync query: "INSERT INTO audit_log (record_id,
timestamp,subsystem,success,user_id,workstation,object_id,message) VALUES(7,1336
922276,'SECURITY',1,-1,'1.0.0.2',0,'User logged out (client: n/a)')" [0 ms]
[13-May-2012 23:17:57] ItemPoller: wakeup

Would you tell me how can i settle this problem?

Thank you!

Best Regards,

Hi!

Are you sure that you recompile everything? Also, check protocol version number in netxms-version.h and in Java client (in class NXCSession).

Best regards,
Victor

Thanks,i'll try it