Tomcatssl configuration error-"No certificate file specified or invalid file format"

The most basic SSL configuration is the same tomcat version (6.0.36. "No certificate file specified or invalid file format" is reported under the win7-32bit flagship edition without any issues ".

The original configuration is as follows:

 <  Connector  Port  = "8443"  Protocol  = "Https/1.1"  Sslenabled  = "True"  Maxthreads  = "150"  Scheme  = "HTTPS"  Secure = "True"  Clientauth  = "False"  Sslprotocol  = "TLS"  Keystorefile  = "D:/keystore/. keystore"  Keystorepass  = "111111"  /> 

The modified configuration is as follows:

 <  Connector  Port  = "8443"  Protocol = "Org. Apache. Coyote. http11.http11protocol"  Sslenabled  = "True"  Maxthreads  = "150"  Scheme  = "HTTPS"  Secure  = "True"  Clientauth  = "False"  Sslprotocol  = "TLS"  Keystorefile  = "D:/keystore/. keystore" Keystorepass  = "111111"  /> 

The problem is solved after the Protocol attribute value is modified.

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PS: Repeat the official Tomcat 6.0 documentation (http://tomcat.apache.org/tomcat-6.0-doc/config/http.html#SSL Support) Where (as shown in) the above two configurations should be the same. It is hard to understand why an error is reported. Why?