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esnovikova asked

Comodo trial certificate (Free SSL Certificate) issue

Hello, I have an Alexa skill named CookBook (app id amzn1.echo-sdk-ams.app.2c33e7d5-71b6-4d5c-9fc4-c936b1e75e1c) I've checked "My development endpoint has a certificate from a trusted certificate authority (required for certification)" option in "SSL certificate" section of my skill configuration. My service has Comodo trial certificate(domain validated) and I see "There was an exception during the SSL hand shake. Please check the certificate you have provided." error when I try to test it. There is no certificate warnings when I call my service from browser. I've also checked my service here https://www.ssllabs.com/ssltest/ (using my service domain name alexacookbook.xyz) and it shows "B" grade which is OK. In service logs I just see "javax.net.ssl.SSLException: Received fatal alert: certificate_unknown". Could you please advise how to understand the exact cause of this issue? Are Comodo trial certificates appropriate for Alexa skill?
alexa skills kitsubmission testing certification
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