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Getting Error: " Received fatal alert: certificate_unknown" When trying to Launch AutoVue Applet After Configuring SSL (Doc ID 2483385.1)

Last updated on MARCH 03, 2023

Applies to:

Oracle AutoVue Electro-Mechanical Professional - Version 21.0.1 and later
Information in this document applies to any platform.


AutoVue is integrated with a Document Management System (DMS), VueServlet is Deployed in Tomcat as well as the integration application for the DMS. The setup is using SSL  and consists also of Apache Web Server used as proxy server.

SSL certificate is deployed in AutoVue JRE and in the Apache's JRE. When trying to launch AutoVue Applet the following error is thrown :


<log4j:event logger="" timestamp="1543603641729" level="ERROR" thread="Thread-7">
<log4j:message><![CDATA[IOException while listening on socket]]></log4j:message>
<log4j:throwable><![CDATA[ Received fatal alert: certificate_unknown
at Source)


VueServlet test page , it shows the following error :  

"": PKIX path building failed: "unable to find valid certification path to requested target"


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