You can't create a connection to Live Data and receive the error (#502) Proxy Error.
- The server received an invalid response from an upstream server. The proxy server could not handle the request. /YOURHANASERVER/sap/bc/ina/service/v2/GetResponse
Apache logs show the following lines:
- (OS 10060)A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond. : [client IP_ADDRESS:PORT]
- AH01102: error reading status line from remote server HANASERVER:PORT
- AH00898: Error reading from remote server returned by /MYAHANA/sap/bc/ina/service/v2/GetResponse
- SAP Analytics Cloud
- Apache server as reverse proxy
The connection between the Apache server and the HANA server takes too long to complete and Apache closes it because it has set a low timeout.
Please be aware of that Path connectivity option is deprecated in SAP Analytics Cloud: https://www.sapanalytics.cloud/resources-direct-cors-live-data-connections/
To fix the above issue increase Apache's ProxyTimeout directive (below example set for 10 minutes):
More details in Apache documentation:
- SAP BusinessObjects Cloud Help portal
- SAP BusinessObjects Cloud Community Network portal
- SAP BusinessObjects Cloud & SAP Digital Boardroom Ideaplace forum (for raising enhancement requests)
- Watch these videos to help start your journey with SAP BusinessObjects Cloud
- SAP BusinessObjects Cloud new user handbook
- SAP BusinessObjects Cloud connecting to on-premise data
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