At 04:20 PM 8/6/2004, you wrote:
this is what you are looking for:
http://cvs.apache.org/~fhanik/precompile.html
Filip
----- Original Message ----- From: "Dan" <[EMAIL PROTECTED]> To: "Tomcat Users List" <[EMAIL PROTECTED]> Sent: Friday, August 06, 2004 2:54 PM Subject: RE: Compile all JSPs on startup
Here's what I want to do:
After Tomcat has been restarted, I want to recompile all of the JSPs in a certain directory (and all child directories). I wrote a servlet that does this and works fine when I run it in command line after Tomcat boots. I want to precompile so the first visitor to a JSP doesn't experience that wait time for Tomcat to compile.
So I tried loading my servlet (load-at-startup) at startup in Tomcat's web.xml (no go), my application's web.xml (no go), and even a 'dummy" application's web.xml (no go).
The problem seems to be that the JSP pages are not available until Tomcat has finished the bootup process. My servlet gets called, but when it tries to fetch the first URL (http://domain.com/page.jsp?precompile=true) nothing else happens. Obviously the java.net.URL cannot make a connection since Tomcat hasn't finished booting to make JSPs available.
Besides stopping/starting Tomcat and recompiling the JSPs from a batch script, am I just wasting my time here or is there someway to do this after Tomcat boots?
stdout.log: Aug 6, 2004 3:39:33 PM org.apache.coyote.http11.Http11Protocol init INFO: Initializing Coyote HTTP/1.1 on http-8080 Aug 6, 2004 3:39:33 PM org.apache.catalina.startup.Catalina load INFO: Initialization processed in 2188 ms Aug 6, 2004 3:39:33 PM org.apache.catalina.core.StandardService start INFO: Starting service Catalina Aug 6, 2004 3:39:33 PM org.apache.catalina.core.StandardEngine start INFO: Starting Servlet Engine: Apache Tomcat/5.0.27 Aug 6, 2004 3:39:33 PM org.apache.catalina.core.StandardHost start INFO: XML validation disabled Aug 6, 2004 3:39:34 PM org.apache.catalina.startup.ContextConfig applicationConfig INFO: Missing application web.xml, using defaults only StandardEngine[Catalina].StandardHost[localhost].StandardContext[] Aug 6, 2004 3:39:35 PM org.apache.catalina.core.StandardHost getDeployer INFO: Create Host deployer for direct deployment ( non-jmx ) Aug 6, 2004 3:39:35 PM org.apache.catalina.core.StandardHostDeployer install INFO: Processing Context configuration file URL file:E:\java\Tomcat\conf\Catalina\localhost\admin.xml Aug 6, 2004 3:39:35 PM org.apache.struts.util.PropertyMessageResources <init> INFO: Initializing, config='org.apache.struts.util.LocalStrings', returnNull=true Aug 6, 2004 3:39:35 PM org.apache.struts.util.PropertyMessageResources <init> INFO: Initializing, config='org.apache.struts.action.ActionResources', returnNull=true Aug 6, 2004 3:39:36 PM org.apache.struts.util.PropertyMessageResources <init> INFO: Initializing, config='org.apache.webapp.admin.ApplicationResources', returnNull=true Aug 6, 2004 3:39:38 PM org.apache.catalina.core.StandardHostDeployer install INFO: Processing Context configuration file URL file:E:\java\Tomcat\conf\Catalina\localhost\balancer.xml Aug 6, 2004 3:39:38 PM org.apache.catalina.core.StandardHostDeployer install INFO: Processing Context configuration file URL file:E:\java\Tomcat\conf\Catalina\localhost\manager.xml Aug 6, 2004 3:39:38 PM org.apache.catalina.core.StandardHostDeployer install INFO: Installing web application at context path /aatz from URL file:E:\java\Tomcat\webapps\aatz Aug 6, 2004 3:39:38 PM org.apache.catalina.startup.ContextConfig applicationConfig INFO: Missing application web.xml, using defaults only StandardEngine[Catalina].StandardHost[localhost].StandardContext[/aatz] Aug 6, 2004 3:39:39 PM org.apache.catalina.core.StandardHostDeployer install INFO: Installing web application at context path /dummy from URL file:E:\java\Tomcat\webapps\dummy RUNNING TOMCATSTARTUP url=http://www.domain.com/page2.jsp?precompile=true fetching http://www.domain.com/page2.jsp?precompile=true
(this is where it hangs)
At 10:44 AM 8/5/2004, you wrote:
>Hi, > > >Is there a configuration setting for Tomcat to it recompile all JSP >files > >at start up? > >No. > >You can precompile your JSPs as noted at >http://jakarta.apache.org/tomcat/tomcat-5.0-doc/jasper-howto.html#Web%20 >Application%20Compilation and other locations. > > >If this is the only way, how and where do you specify startup servlets >in > >tomcat? And what if I want to enable/disable this feature on startup > >-- what's best approach for setting the flag in tomcats config files? > >You might want to read the Servlet Specification at some point. You >specify startup servlets in Tomcat the way you do in all other servlet >containers: by adding <load-on-startup>[number]</load-on-startup> to >their declaration in your web.xml file. Since you would code this >servlet, you can handle enable/disable of this precompilation however >you want. A likely choice would be a simple servlet init-parameter, >also in web.xml. This is not specific to Tomcat and would not go in >Tomcat's configuration files.
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