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Support Article

SSLHandshakeException when connecting to REST end point



SSLHandshakeException when connecting to a REST end point with TLS/SSL.

Error Messages

Unable to connect to resource due to TLS/SSL issue: PKIX path building failed: PKIXCertPathBuilderImpl could not build a valid CertPath.; internal cause is: The certificate issued by CN=DigiCert Global Root CA,, O=DigiCert Inc, C=US is not trusted; internal cause is: Certificate chaining error

Steps to Reproduce

  1. Configure a REST connector.
  2. Execute the REST connector using an activity.

Root Cause

A defect or configuration issue in the operating environment. Pega application server was missing the end point intermediate and root certificates.


Perform the below steps to resolve the issue:
  1. Download the REST endpoint intermediate and root certificates.
  2. Import them in the Websphere cell.
  3. Perform a restart.

Published December 5, 2017 - Updated October 8, 2020

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