3745175 - "502 BAD_GATEWAY" error when creating HTTP Endpoint for SAP Cloud Connector in Landscape Management of SAP Cloud ALM

The following error happens after Endpoint Connection Check for Cloud Connector in Cloud ALM - Landscape Management:

"SAP Cloud Connector: [502] Error during the URL - 502 Bad Gateway on GET request for "{Cloud Connector URL}": "Invalid server certificate"

In the cloud connector (ljs_trace.log / scc_core.trc) files, the following can be found:

Caused by: com.sap.core.connectivity.spi.ssl.SSLHandshakeException: Invalid server certificate
    at com.sap.core.connectivity.spi.ssl.SSLHandshakeValidator.assertServerCertificate(SSLHandshakeValidator.java:55)
    at com.sap.core.connectivity.spi.ssl.SSLHandshakeValidator.operationComplete(SSLHandshakeValidator.java:43)
    ... 31 common frames omitted
Caused by: java.lang.IllegalArgumentException: Certificate contains unsupported DNS name: xxx_xxx.xx
    at com.sap.core.connectivity.spi.util.CertificateUtils.assertDNSName(CertificateUtils.java:338)
    at com.sap.core.connectivity.spi.util.CertificateUtils.assertDNSNames(CertificateUtils.java:258)
    at com.sap.core.connectivity.spi.ssl.SSLHandshakeValidator.assertServerCertificate(SSLHandshakeValidator.java:53)
    ... 32 common frames omitted

SAP Cloud ALM

Cloud ALM, Cloud Connector, Endpoint, 502, BAD_GATEWAY, Invalid server certificate , KBA , SV-CLM-INF-LMS , Landscape Management Service , BC-MID-SCC , SAP Cloud Connector On-Demand/On-Premise Connectivity , Problem