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AWS Data Source Connections (Redshift or Athena) fail with: PKIX path building failed: com.ibm.security.cert.IBMCertPathBuilderException: unable to find valid certification path to requested target

Troubleshooting


Problem

Connections to Amazon Web Services-based data sources, such as RedShift and Athena, start failing. The data source connections were previously working without issue now throw a certificate error in Q4-2024.

Symptom

The following error is thrown as a connection to a Redshift or Athena server is attempted.
 
com.ibm.jsse2.util.j: PKIX path building failed: com.ibm.security.cert.IBMCertPathBuilderException: unable to find valid certification path to requested target

 

Document Location

Worldwide

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Document Information

Modified date:
15 January 2026

UID

ibm17180763