VPLEX: VPlex / RecoverPoint - "could not find SSL Certificate https://172.16.31.72:7225/fapi/version3_5?wsdl"

ISSUE:

• When checking the RP volumes or running RecoverPoint commands we can see the following warning:
• WARNING:  Could not find SSL Certificate for 'https://172.16.31.72:7225/fapi/version3_5?wsdl'.
• Make sure RPA's web certificate has been added via the 'rp import-certificate' VPLEX CLI command.

examples of the warning:

## VPlexcli:/> rp validate-configuration
This command may take several minutes to complete. Please be patient.

WARNING:  Could not find SSL Certificate for 'https://172.16.31.72:7225/fapi/version3_5?wsdl'.
Make sure RPA's web certificate has been added via the 'rp import-certificate' VPLEX CLI command.
The command was unable to finish successfully because of an unexpected error.  
Please check the system health and operational status before re-trying.

rp validate-configuration:  Evaluation of <<rp validate-configuration>> failed.
cause:                      Command execution failed.
cause:                      com.sun.xml.internal.ws.client.ClientTransportException: HTTP transport error: javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target


## VPlexcli:/recoverpoint/rpa-clusters/172.16.31.72> ll
WARNING:  Could not find SSL Certificate for 'https://172.16.31.72:7225/fapi/version3_5?wsdl'.
Make sure RPA's web certificate has been added via the 'rp import-certificate' VPLEX CLI command.
WARNING:  Could not find SSL Certificate for 'https://172.16.31.72:7225/fapi/version3_5?wsdl'.
Make sure RPA's web certificate has been added via the 'rp import-certificate' VPLEX CLI command.
.

Attributes:
Name                    Value
----------------------  -------------------------------------------------
admin-username          admin
config-changes-allowed  -
rp-health-indications   [Unable to connect to rpa-cluster '172.16.31.72']
rp-health-status        unknown
rp-software-serial-id   -
rpa-host                172.16.31.72
rpa-id                  -
rpa-site                -
rpa-version             -
vplex-cluster           cluster-2


## VPlexcli:/recoverpoint/rpa-clusters/172.16.31.72/volumes> ll

WARNING:  Could not find SSL Certificate for 'https://172.16.31.72:7225/fapi/version3_5?wsdl'.
Make sure RPA's web certificate has been added via the 'rp import-certificate' VPLEX CLI command.
ls:     Evaluation of <<ll>> failed.
cause:  Context search for * failed.
cause:  Could not retrieve RPA volumes. Could not access RPA via SSL.
cause:  HTTP transport error: javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed:
        sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
cause:  sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target

SOLUTION:

• Import the rp certificate using the following command from the VPlex cli;
• VPlexcli:/recoverpoint/rpa-clusters> rp import-certificate