SAP Outbound was failing amp SAP goes down

When i try ecexute a outbound call(IS)to SAP it was failing with Error
com.sap.mw.jco.JCO$Exception service: EMRFileTransfer.FilePollingInbound:ZRFC_TRIGGER_SEPI_ZSFCM
and
ERROR/STACK DUMP---------------- com.sap.mw.jco.JCO$Exception: (102) RFC_ERROR_COMMUNICATION: Connect to SAP gateway failed Connect_PM GWHOST=SAPPRD005E, GWSERV=sapgw04, ASHOST=SAPPRD005E, SYSNR=04 LOCATION CPIC (TCP/IP) on local host ERROR partner not reached (host SAPPRD002E, service 3304)