Certificate troubleshooting guide
PKIX path building failed during SAML metadata or certificate validation
PKIX path building failed means the client cannot build a trusted certificate chain to the certificate presented by the server or metadata endpoint.
Common symptoms
- Metadata refresh fails.
- SAML signing certificate updates are not loaded.
- TLS or Java clients report unable to find valid certification path.
Evidence to collect
- Full error text from the metadata refresh or TLS client.
- OpenSSL s_client output with certificate chain.
- Leaf, intermediate, and root certificate details.
Common causes
- Missing intermediate certificate on the server.
- Client trust store does not contain the required root or intermediate.
- Server presents the wrong certificate chain.
How to fix or triage it
- Install the correct intermediate certificate chain.
- Update the client trust store where appropriate.
- Confirm the endpoint presents the full chain.
How AccessTrace AI helps
- Detects PKIX and certification path failure wording.
- Connects trust-chain errors to stale metadata and SAML signing failures.
- Drafts vendor or infrastructure requests with the evidence needed.
Example evidence
PKIX path building failed: unable to find valid certification path to requested target openssl s_client result: unable to get local issuer certificate
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