Article - CS181037
Making REST API calls to a remote host via a Service results in error "PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to request" in ThingWorx Platform
Modified: 17-Sep-2025
Applies To
- ThingWorx Platform 6.5 to 9.7
Description
- Unable to make a REST call from a ThingWorx service to a Remote Server endpoint
- Cannot get JSON data into ThingWorx Platform from a third-party server via REST API call over HTTPS
- HTTPS connection to a Remote Host from a ThingWorx Platform Service does not work
- TLS handshake does not complete on Service calls from ThingWorx Platform to a remote host
- Loading JSON data from third party REST API results in SSL/TLS Certificate HandshakeException error in ThingWorx service
- One of the following errors observed in <ThingworxStorage>\logs\ScriptLog.log when executing Service Code that makes a REST API to a Remote Host:
JavaException: javax.net.ssl.SSLPeerUnverifiedException: Certificate for <REMOTE HOST OR IP> doesn't match any of the subject alternative names Wrapped javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to request
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