Peer Certificate Rejected by Chainverifier

I have a Java11 application that exposes a SOAP endpoint on a Linux Centos7 server. I can call the SOAP endpoint from my localhost successfully via Postman.

We have a client who when they try call the endpoint (via their SAP system), they get the following error message:

Peer certificate rejected by ChainVerifier

Any ideas please?

I thought the issue may be that that the client needs to ad a certificate to their keysore, but my localhost does not have one, and it works. Do they maybe have to upgrade to a higher version of TLS?

Marcus Vance

Marcus Vance

Cybersecurity & Digital Privacy Researcher

Marcus Vance is a cybersecurity auditor and technology writer dedicated to educating the public about online safety, data privacy regulations, enterprise security, and emerging cyber threats.

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