Hi Xavier,
Are you really using Tomcat 5.5.2? It probably doesn't make a
difference for this issue, but i'd recommend moving to the latest
production release: 5.5.20, unless you are already on it.
Your web.xml doesn't appear to be valid XML. It is missing the
starting <servlet> tag for your index servlet. Perhaps that's just a
typo in the email and correct on your computer.
If so, then the next problem is that the "properties" init-param for
the index servlet has the incorrect key. It should be
"org.apache.velocity.properties", like the velocity servlet correctly
has. So it looks like the velocity servlet is being initialized with
your velocity.properties, but the index servlet is not.
If you are using the same velocity.properties, then you should move
the "org.apache.velocity.properties" init-param out of the <servlet>
tags and just have it as a single servlet context init-param, rather
than two duplicate servlet config init-params. The same could be done
with your toolbox param, unless you plan to give your servlets
different toolboxes. Taking this suggestion would give you a web.xml
like:
<web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd";>
<init-param>
<param-name>org.apache.velocity.toolbox</param-name>
<param-value>/WEB-INF/toolbox.xml</param-value>
</init-param>
<init-param>
<param-name>org.apache.velocity.properties</param-name>
<param-value>/WEB-INF/velocity.properties</param-value>
</init-param>
<servlet>
<servlet-name>index</servlet-name>
<servlet-class>index</servlet-class>
</servlet>
<servlet>
<servlet-name>velocity</servlet-name>
<servlet-class>org.apache.velocity.tools.view.servlet.VelocityViewServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>index</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>velocity</servlet-name>
<url-pattern>*.vm</url-pattern>
</servlet-mapping>
<session-config>
<session-timeout>
30
</session-timeout>
</session-config>
</web-app>
Finally, the way you are extending the VelocityViewServlet in your
index class seems bizarre. Why are you merging the context with the
"test.vm" template into a StringWriter that is never used and then
returning the test.vm template? Is there some reason you need to
merge that template with the context twice on each request? And why
explicitly call super.getTemplate()? Seems to me that you probably
just need to have your handleRequest look like:
return getTemplate("test.vm");
On 12/29/06, Xabier Burgos <[EMAIL PROTECTED]> wrote:
First of all I'd like to say hello everyone, since I'm new to the
list. Now to the "meat".
I'm a newcommer to the velocity templating system and I'm having some
trouble. I've setup Tomcat 5.5.2 and compiled Velocity 1.5 beta 2 and
VelocityTools 1.2. I've created a servlet that extends
VelocityViewServlet:
public class index extends VelocityViewServlet
{
public Template handleRequest(HttpServletRequest request,
HttpServletResponse response, Context context)
throws ParseErrorException, ResourceNotFoundException
{
Template tpl = null;
context.put("name","Xabi");
try
{
tpl = super.getTemplate ("test.vm");
StringWriter writer = new StringWriter();
tpl.merge (context,writer);
}
catch (ResourceNotFoundException rnfd)
{
System.out.println ("<p>Error: No se encontró la
plantilla</p>");
rnfd.printStackTrace (System.out);
}
catch (ParseErrorException perrex)
{
System.out.println ("<p>Error: Fallo parseando la
plantilla</p>");
perrex.printStackTrace (System.out);
}
catch (Exception ex){}
return tpl;
}
I've also added the corresponding servlet mappings in my web.xml:
<web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd";>
<servlet-name>index</servlet-name>
<servlet-class>index</servlet-class>
<init-param>
<param-name>properties</param-name>
<param-value>/WEB-INF/velocity.properties</param-value>
</init-param>
</servlet>
<servlet>
<servlet-name>velocity</servlet-name>
<servlet-class>org.apache.velocity.tools.view.servlet.VelocityViewServlet</servlet-class>
<init-param>
<param-name>org.apache.velocity.toolbox</param-name>
<param-value>/WEB-INF/toolbox.xml</param-value>
</init-param>
<init-param>
<param-name>org.apache.velocity.properties</param-name>
<param-value>/WEB-INF/velocity.properties</param-value>
</init-param>
<load-on-startup>10</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>index</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>velocity</servlet-name>
<url-pattern>*.vm</url-pattern>
</servlet-mapping>
<session-config>
<session-timeout>
30
</session-timeout>
</session-config>
</web-app>
And also created a velocity.properties file in
/WEB-INF/velocity.properties:
resource.loader = webapp
webapp.resource.loader.class =
org.apache.velocity.tools.view.servlet.WebappLoader
webapp.resource.loader.path=/templates
webapp.resource.loader.cache = true
runtime.log=/WEB-INF/logs/velocity.log
input.encoding=UTF-8
output.encoding=UTF-8
And created a very simple template called test.vm in
/MyAppRoot/templates/test.vm:
<?xhtml version="1.0" encoding="UTF-8"?>
<html>
<head>
<title>Test</title>
</head>
<body>
THIS IS A TEST:</br>
Hello $name
</body>
</html>
But whenever I go to http://localhost:8080/myapp , I only get a blank
page.
Digging into Tomcat logs, I've found this:
INFO: Velocity :
*******************************************************************
28-dic-2006 19:00:48 org.apache.catalina.core.ApplicationContext log
INFO: Velocity [debug] Starting Apache Velocity v1.5-beta2 (compiled:
2006-11-24 22:45:47)
28-dic-2006 19:00:48 org.apache.catalina.core.ApplicationContext log
INFO: Velocity : RuntimeInstance initializing.
28-dic-2006 19:00:48 org.apache.catalina.core.ApplicationContext log
INFO: Velocity [debug] Default Properties File:
org\apache\velocity\runtime\defaults\velocity.properties
28-dic-2006 19:00:48 org.apache.catalina.core.ApplicationContext log
INFO: Velocity [debug] Trying to use logger class
org.apache.velocity.tools.view.servlet.ServletLogger
28-dic-2006 19:00:48 org.apache.catalina.core.ApplicationContext log
INFO: Velocity [info] LogSystem has been deprecated. Please use a
LogChute implementation.
28-dic-2006 19:00:48 org.apache.catalina.core.ApplicationContext log
INFO: Velocity [debug] Default ResourceManager initializing. (class
org.apache.velocity.runtime.resource.ResourceManagerImpl)
28-dic-2006 19:00:48 org.apache.catalina.core.ApplicationContext log
INFO: Velocity [debug] ResourceLoader instantiated:
org.apache.velocity.tools.view.servlet.WebappLoader
28-dic-2006 19:00:48 org.apache.catalina.core.ApplicationContext log
INFO: Velocity [info] WebappLoader : initialization starting.
28-dic-2006 19:00:48 org.apache.catalina.core.ApplicationContext log
INFO: Velocity [info] WebappLoader : added template path -
'/templates/'
28-dic-2006 19:00:48 org.apache.catalina.core.ApplicationContext log
INFO: Velocity [info] WebappLoader : initialization complete.
28-dic-2006 19:00:48 org.apache.catalina.core.ApplicationContext log
INFO: Velocity [debug] ResourceCache: initialized (class
org.apache.velocity.runtime.resource.ResourceCacheImpl)
28-dic-2006 19:00:48 org.apache.catalina.core.ApplicationContext log
INFO: Velocity : Default ResourceManager initialization complete.
28-dic-2006 19:00:48 org.apache.catalina.core.ApplicationContext log
INFO: Velocity [debug] Loaded System Directive:
org.apache.velocity.runtime.directive.Literal
28-dic-2006 19:00:48 org.apache.catalina.core.ApplicationContext log
INFO: Velocity [debug] Loaded System Directive:
org.apache.velocity.runtime.directive.Macro
28-dic-2006 19:00:48 org.apache.catalina.core.ApplicationContext log
INFO: Velocity [debug] Loaded System Directive:
org.apache.velocity.runtime.directive.Parse
28-dic-2006 19:00:48 org.apache.catalina.core.ApplicationContext log
INFO: Velocity [debug] Loaded System Directive:
org.apache.velocity.runtime.directive.Include
28-dic-2006 19:00:48 org.apache.catalina.core.ApplicationContext log
INFO: Velocity [debug] Loaded System Directive:
org.apache.velocity.runtime.directive.Foreach
28-dic-2006 19:00:48 org.apache.catalina.core.ApplicationContext log
INFO: Velocity [debug] Created '20' parsers.
28-dic-2006 19:00:48 org.apache.catalina.core.ApplicationContext log
INFO: Velocity : Velocimacro : initialization starting.
28-dic-2006 19:00:48 org.apache.catalina.core.ApplicationContext log
INFO: Velocity [debug] Velocimacro : "velocimacro.library" is not
set. Trying default library: VM_global_library.vm
28-dic-2006 19:00:48 org.apache.catalina.core.ApplicationContext log
INFO: Velocity [debug] Velocimacro : Default library not found.
28-dic-2006 19:00:48 org.apache.catalina.core.ApplicationContext log
INFO: Velocity [debug] Velocimacro : allowInline = true : VMs can be
defined inline in templates
28-dic-2006 19:00:48 org.apache.catalina.core.ApplicationContext log
INFO: Velocity [debug] Velocimacro : allowInlineToOverride = false :
VMs defined inline may NOT replace previous VM definitions
28-dic-2006 19:00:48 org.apache.catalina.core.ApplicationContext log
INFO: Velocity [debug] Velocimacro : allowInlineLocal = false : VMs
defined inline will be global in scope if allowed.
28-dic-2006 19:00:48 org.apache.catalina.core.ApplicationContext log
INFO: Velocity [debug] Velocimacro : autoload off : VM system will
not automatically reload global library macros
28-dic-2006 19:00:48 org.apache.catalina.core.ApplicationContext log
INFO: Velocity : Velocimacro : Velocimacro : initialization complete.
28-dic-2006 19:00:48 org.apache.catalina.core.ApplicationContext log
INFO: Velocity : RuntimeInstance successfully initialized.
28-dic-2006 19:00:48 org.apache.catalina.core.ApplicationContext log
INFO: Velocity [info] VelocityViewServlet: Default content-type is:
text/html; charset=UTF-8
28-dic-2006 19:00:52 org.apache.catalina.core.ApplicationContext log
INFO: Velocity [error] ResourceManager : unable to find resource
'test.vm' in any resource loader.
28-dic-2006 19:00:52 org.apache.catalina.core.ApplicationContext log
INFO: Velocity [warn] VelocityViewServlet: couldn't find template to
match request.
28-dic-2006 19:00:53 org.apache.catalina.core.ApplicationContext log
INFO: Velocity [error] ResourceManager : unable to find resource
'test.vm' in any resource loader.
28-dic-2006 19:00:53 org.apache.catalina.core.ApplicationContext log
INFO: Velocity [warn] VelocityViewServlet: couldn't find template to
match request.
28-dic-2006 19:00:53 org.apache.catalina.core.ApplicationContext log
INFO: Velocity [error] ResourceManager : unable to find resource
'test.vm' in any resource loader.
28-dic-2006 19:00:53 org.apache.catalina.core.ApplicationContext log
INFO: Velocity [warn] VelocityViewServlet: couldn't find template to
match request.
28-dic-2006 19:00:53 org.apache.catalina.core.ApplicationContext log
INFO: Velocity [error] ResourceManager : unable to find resource
'test.vm' in any resource loader.
28-dic-2006 19:00:53 org.apache.catalina.core.ApplicationContext log
INFO: Velocity [warn] VelocityViewServlet: couldn't find template to
match request.
Witch for me indicates that the templates path I setup in
resource.loader is readed correctly but for some reason I don't know
whenever I return the template, it's searched in the AppRoot folder.
Does anybody have an idea on how to fix this?
P.S: Sorry about the long mail, but I thought giving more information
would be better.
--
Xabier Burgos - http://www.coder-times.org
"Libros, caminos y días, dan al hombre sabiduría".
Viejo proberbio árabe.
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