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Tomcat 5.5.12 No Common Encryption Algorithms Error

Wesley Gill

2006-04-26


Hello,

I'm trying to setup SSL on a standalone Tomcat 5.5.12 install on Windows XP.

I generated the .keystore file by running the following at the command
prompt:

  C:\>"C:\Program Files\Java\jre1.5.0_06\bin\keytool.exe" -genkey
-alias tomcat -keyalg RSA

I entered values for all the questions and used the same password for
tomcat as I used for the keystore. The .keystore file is created
successfully.

I edited the server.xml for the Connector as follows (keystorePass omitted):

  <Connector port="8443" maxHttpHeaderSize="8192"
         maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
         enableLookups="false" disableUploadTimeout="true"
         acceptCount="100" scheme="https" secure="true"
         clientAuth="false" sslProtocol="TLS" />

I fire up Tomcat and it starts without any errors. When I try to access
the webapp on port 8443 I get a "Firefox and xxxxx cannot communicate
securely because they have no common encryption algorithms."

I've searched the web and a ton of docs trying to figure this out but
have come up empty.

Any help will be greatly appreciated!

Wesley Gill
Gillware Inc.


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