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SSL Handshake error : unknown_ca

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  • 1.  SSL Handshake error : unknown_ca

    Posted 03-12-2018 05:49 AM



    I am getting unknown_ca error for ssl handshake while hitting a REST web service through LISA. When I hit the webservice through browser, it says the certificate is not trusted but there is an option to ignore this and after which evreything works fine.


    How can i replicate this behavior in LISA i.e to ignore untrusted certificates and get the response.

  • 2.  Re: SSL Handshake error : unknown_ca
    Best Answer

    Posted 03-12-2018 07:44 AM

    DevTest (formerly LISA) is a system test tool, and, as such, cannot be configured to ignore security errors. 


    The SSL/TLS implementation is the standard Java implementation - in Java the Certificate Authorities are stored in a file called "cacerts" that lives in the Java installation - adding the correct certificates to this file should resolve your issue.


    DevTest ships with its own Java run-time, so the file you would need to update is located under your installation directory in jre/lib/security.


    For more information on how Java and thus DevTest uses SSL, please see Of SSL, SNI, Java and DevTest