Hello,

I am using Tomcat 10.1.30 with Tomcat Native and get these errors when user’s 
connect to an application:
WARNING [https-openssl-nio-9443-exec-27] 
org.apache.coyote.http2.Http2Parser.readSettingsFrame Connection [424], An 
unknown setting with identifier [8] and value [1] was ignored
I suspect I need to make a change in my server.xml but I am not sure what needs 
to be changed.

Here is what I have for connectors (I can share more of server.xml if required):
    <Connector port="9443" protocol="org.apache.coyote.http11.Http11NioProtocol"
               maxThreads="500" SSLEnabled="true" scheme="https" secure="true" 
xpoweredBy="false" allowTrace="false">
        <UpgradeProtocol className="org.apache.coyote.http2.Http2Protocol" />
        <SSLHostConfig protocols="TLSv1.2">
            <Certificate certificateKeyFile="conf/privatekey.key"
                         certificateFile="conf/certificate.crt"
                         certificateChainFile="conf/chain.crt"
                         type="RSA" />
        </SSLHostConfig>
    </Connector>
    <Connector port="9009" protocol="AJP/1.3" redirectPort="9443" 
secretRequired="false" />

Are there changes needed in the UpgradeProtocol I am missing?

Thank you for your time,

Brian

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