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Tomcat: How to find out running Tomcat version?


I'm trying to get Appfuse + Tomcat + jRebel working.

Appfuse by default uses Cargo to download tomcat (ver. 7.0.33) and deploy the application to it. I wish to use an already installed tomcat (ver. 7.0.27) instead of the downloaded one. I made the change following the appfuse FAQ.

After deploying with mvn cargo:run, how can I know that the actual running tomcat is indeed 7.0.27?

I used to type a wrong URL (ex. localhost:8080/dfsfsdf) to see it in the error page, but now it shows nothing.

My $CATALINA_HOME points to my own tomcat 7.0.27. sorry forgot to mention, it's for Windows.

Update:

Since this question had become somehow popular, I would like to explain why that accepted answer. simple, it was the first one which solved my problem.

I am looking at the title of the question, @Tech Junkie and @CPU 100 really have the best answer, but not for the scenario I was encountered. (I was wanting to know if mvn cargo:run runs my installed tomcat or a "project embeded" tomcat) :)


Solution

  • if you can upload a JSP file you may print out some info like in this example: bestdesigns.co.in/blog/check-jsp-tomcat-version

    Save this code into a file called tomcat_version.jsp:

        Tomcat Version : <%= application.getServerInfo() %><br>    
        Servlet Specification Version : 
    <%= application.getMajorVersion() %>.<%= application.getMinorVersion() %> <br>    
        JSP version :
    <%=JspFactory.getDefaultFactory().getEngineInfo().getSpecificationVersion() %><br>
    

    When you access, http://example.com/tomcat_version.jsp, the output should look similar to:

    Tomcat Version : Apache Tomcat/5.5.25
    Servlet Specification Version : 2.4
    JSP version: 2.0