on 05-23-2023 11:47 AM
Hello Experts,
I explored SAP Mobile Start with SAP Build Work Zone Standard Edition. Applications getting visible in mobile application but not loading and getting blanck scrren when open application in SAP Mobile Start.
Followed below blog
After that i added some below Resource Service in Cloud Connector, When i open application, its getting login popup again and again in system and getting blank screen in SAP Mobile Start Application.
Please Suggest.
Thank You
Issue resolved. Supported by SAP.
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The root cause of such issue is a simple configuration issue in the DS4 system that can be seen in the traces:
[Thr 140634502854400] HttpCertIsReverseProxyTrustworthy: intermediate cert issuer "CN=XXXXXXXXXXX, L=Mumbai, O=sap, C=IN" does not match trusted issuer "CN=YYYYYYYYYYYYYY,L=Mumbai,O=sap,C=IN"
[Thr 140634502854400] HttpCertIsReverseProxyTrustworthy: intermediate cert subject "CN=YYYYYYYYYYYYYYYYY, L=Mumbai, O=sap, C=IN" does not match trusted subject "CN=XXXXXXXXXXXXXXXX,L=Mumbai,O=sap,C=IN"
[Thr 140634502854400] HttpIsReverseProxyTrustworthy: intermediary is NOT trusted
[Thr 140634502854400] HttpModGetDefRules: intermediary is NOT trusted -> remove SSL header fields
The configured icm/trusted_reverse_proxy_X parameters do not match the cloud connector system certificate, and thus, remove the client certificate from the request, resulting in no user authentication happening to a protected resource, which triggers the logon request.
As per the Cloud Connector documentation - https://help.sap.com/docs/connectivity/sap-btp-connectivity-cf/configure-principal-propagation-for-h... - the parameter must point to any middleware certificates that may be present, including CC's own:
Create the following parameter: icm/trusted_reverse_proxy_<x> = SUBJECT="<subject>", ISSUER="<issuer>".
For your scenario then, the entry that is missing would be icm/trusted_reverse_proxy_1 = SUBJECT="CN=xxxxxxxxxx, L=Mumbai, O=sap, C=IN", ISSUER="CN=xxxxxxxxxxxxxxxxxx, L=Mumbai, O=sap, C=IN", which should address the trust issue.
Please configure such parameter, so that trust is appropriately stablished with the Cloud Connector certificate.
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