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DataSource Connections Fail With Error " [SQLServer JDBC Driver]Failure while trying to establish connection to proxy service. (reason: HTTP/1.1 <port> Tunnel or SSL Forbidden)" After October 2021 PSU And http.ProxyHost Configured (Doc ID 2853200.1)

Last updated on JUNE 11, 2024

Applies to:

Oracle WebLogic Server - Version to [Release 12c]
DataDirect Connect JDBC Drivers for Oracle AS - Version 3.6.0 to 9.2.0
Information in this document applies to any platform.


JDBC DataSource is configured to ues WebLogic MSSQL driver to connect to MS SQL server.

The JVM is configured to route the requests through a proxy server, using the java options "-Dhttp.proxyHost=<proxy-host> -Dhttp.proxyPort=<Proxy-Port> -Dhttps.proxyHost=<proxy-host> -Dhttps.proxyPort=<proxy-port>"

This setup was working fine, but after applying the October 2021 PSU, the DataSource initialization failing with below error:




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