2524736 - Proxy Error Reason DNS lookup failure when using Apache reverse proxy in SAP Analytics Cloud

• SAP Analytics Cloud gives an error message when you access via Apache reverse proxy:

        Proxy Error

        The proxy server received an invalid response from an upstream server.

        The proxy server could not handle the request GET /.

        Reason: DNS lookup failure for: https:

• Apache error log shows:  [proxy:error] [pid 10832:tid 964] AH00898: DNS lookup failure for: http: returned by /sap/fpa/services/pusher/Pusher.xsjs, referer: https://<customer-prefix>.<data-center>.sapbusinessobjects.cloud"

• SAP Analytics Cloud

1. Configure Apache HTTP Server as reverse proxy to create live data connection to on-premium SAP HANA system 
2. Connect to your SAP Analytics Cloud tenant.
3. You get the error:  Proxy Error Reason: DNS lookup failure

Instead of hostname, the variable is using SAP Analytics Cloud tenant URL in httpd.conf file for Apache reverse proxy as below:

Define SAP_ANALYTICS_CLOUD https://<customer-prefix>.<data-center>.sapbusinessobjects.cloud

ProxyPass / https://${SAP_ANALYTICS_CLOUD}/
ProxyPassReverse / https://${SAP_ANALYTICS_CLOUD}/

SAP Analytics Cloud server hostname should be used for the variable SAP_ANALYTICS_CLOUD.

Define SAP_ANALYTICS_CLOUD <customer-prefix>.<data-center>.sapbusinessobjects.cloud

ProxyPass / https://${SAP_ANALYTICS_CLOUD}/
ProxyPassReverse / https://${SAP_ANALYTICS_CLOUD}/

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