Error when opening an RFC connection DB13 : Failed with sapxpg RFC failed : Gateway

DB13 : Failed with sapxpg RFC failed : Gateway

Hello ,

All Db13 jobs are failing with below error :

Job started
Step 001 started (program RSDBAJOB, variant &0000000000251, user ID XX)
Execute logical command BRCONNECT On host pkgpap3d
Parameters: -jid CHECK20140121050000 -u / -c -f check
External communication error at program start (see system log)
SAPXPG_START_XPG_LONG: sy-subrc ne 0
destination = SAPXPG_DBDEST_dbhostname
number of retries = 0
SXPG_STEP_XPG_START: execute_sapxpg: rc = 1.003
SXPG_STEP_COMMAND_START: SXPG_STEP_XPG_START returned: 1.003
SXPG_COMMAND_EXECUTE(LONG)
<timestamp> = 20140213050014
COMMANDNAME = BRCONNECT
ADDITIONAL_PARAMETERS = -jid CHECK20140121050000 -u / -c -f check
LONG_PARAMS
OPERATINGSYSTEM = ANYOS
TARGETSYSTEM = dbhostname
DESTINATION = SAPXPG_DBDEST_dbhostname
SY-SUBRC = 1003
SXPG_COMMAND_EXECUTE failed for BRCONNECT - Reason: program_start_error: For More Information, See SYS
Job cancelled after system exception ERROR_MESSAGE

RFC Failed with below error :

Connection Error
Error when opening an RFC connection
ERROR: Verbindungsaufbau zum SAP-Gateway mißlungen (SAP-Gateway gestartet ?)
LOCATION: SAP-Server <hostname>_<SID>_<no> on host dbhostname (wp 3)
COMPONENT: CPIC
COUNTER: 73411
MODULE:
LINE:
RETURN CODE: 236
SUBRC: 0
RELEASE: 720
TIME: Thu Feb 13 12:11:36 2014
VERSION:

I tried all possible solution , It is not working.

Gateway is running fine.Restarted also .

Thanks

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