[richfaces-issues] [JBoss JIRA] Created: (RF-10259) Richfaces-showcase: GAE start time decreasing

[Ara Minosian (JIRA)]

Richfaces-showcase: GAE start time decreasing
---------------------------------------------

                 Key: RF-10259
                 URL: https://issues.jboss.org/browse/RF-10259
             Project: RichFaces
          Issue Type: Enhancement
      Security Level: Public (Everyone can see)
            Reporter: Ara Minosian


I found a way to reduce JSF based application to start faster on GAE.

1. Register all managed beans statically in faces-config.xml 
2. Use metadata-complete="true" attribute, so faces-config.xml boilerplate is:

<?xml version='1.0' encoding='UTF-8'?>
<faces-config xmlns="http://java.sun.com/xml/ns/javaee"
              xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
              xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
              http://java.sun.com/xml/ns/javaee/web-facesconfig_2_0.xsd"
              version="2.0"
              metadata-complete="true">
    
<!--Your stuff here-->
</faces-config>

Using this technique you force JSF not to scan classes for beans. You can leave bean annotations in source code for user's clarity. It will not produce any error.

3. Force JSF not to check xml syntax. I hope IDE do it instead. In web.xml set context parameter as here:
<context-param>
     <description>
         Set this flag to true if you want the JavaServer Faces
         Reference Implementation to validate the XML in your
         faces-config.xml resources against the DTD. Default
         value is false.
     </description>
     <param-name>com.sun.faces.validateXml</param-name>
     <param-value>false</param-value>
</context-param> 

Using these tricks I reduce GAE start time by two seconds. Not bad. 


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