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Failure to validate certificate

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    Michael Netter

    Hi Nick,

    thanks for your report. That should not happen, since our DRACOON instances have valid certificates.

    If the instance is hosted by DRACOON, can you please provide us with the URL? If it is hosted by a third-party, you can use https://ssltools.digicert.com/checker/views/checkInstallation.jsp to check the certificate and certificate chain.

    Best regards

    Michael

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    Nick Horatiu

    Hello Michael, 

    thank you for the follow up. 

    The URL I'm accessing is https://dracoon.team/api/v4/public/software/version part of the assertServerApiVersion() method call and, on a brand new Windows VM this is throwing the exception I've mentioned. It might be related to the fact that this certificate is issued by Let's Encrypt and I'm not sure whether their CA key is in JVM crypto store by default or something related to this. I do know that importing this certificate manually in trust store gets rid of the exception. 

    The certificate does validate with the link you've pointed me to but there's also a comment saying it's not issued by DigiCert, Symantec, RapidSSL etc. While this might be just marketing, I am wondering whether it's related in any way. 

    Please advise how to proceed, I could perhaps try to reproduce it on fresh install of Windows. 

    Thanks,
    Nick.

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    Michael Netter

    Hello Nick,

    Thank you for getting back to me. According to this Stackoverflow answer, Java supports Let's Encrypt certificates for Java versions

    • Java 7 >= 7u111
    • Java 8 >= 8u101

    Can you please verify that the Java version you are using meets these requirements?

    Best regards

    Michael

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