SAP Knowledge Base Article - Preview

2815876 - DNS Caching leads to SAP Cloud Connector connection issues

Symptom

SAP Cloud Connector (SCC) to the SAP Cloud Platform (SCP) connection fails and a change in IP is noticed in the trace files (ljs_trace.log file):

For example:

'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
#TRACE#com.sap.core.connectivity.tunnel.core.Tunnel#metering-scheduler-111-1#0x00000000#Will send message of type 4 with size 4,680 over tunnel channel [id: 0x6149ab89, L:/10.123.32.51:9972 - R:connectivitynotification.cf.ap10.hana.ondemand.com/54.79.5.6:443]. Tunnel id: "account:///..."|

#ERROR#com.sap.core.connectivity.tunnel.client.notification.NotificationClient#notification-client-100-5# #Unable to handshake with notification server connectivitynotification.cf.ap10.hana.ondemand.com/3.105.155.106:443 io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection timed out:
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''


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Environment

  • SAP Cloud Connector
  • Release Independent

Product

SAP Cloud Platform 1.0 ; SAP Cloud Platform Connectivity 2.0

Keywords

Production ABAP R/3 ERP SRM CRM ERP PPM SEM APO XI PI PORTAL Test development QA KBA On Premise HANA Database SAP Cloud Platform Cloud Connector xsodata On-Premise Access large datasets AlwaysCompressed , KBA , BC-MID-SCC , SAP Cloud Connector On-Demand/On-Premise Connectivity , BC-NEO-CON , SAP Cloud Platform Destinations and On-premise Connectivity , Problem

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