Configuration errors are not much descriptive (II Part)
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                 Key: PLUTO-564
                 URL: https://issues.apache.org/jira/browse/PLUTO-564
             Project: Pluto
          Issue Type: Bug
          Components: general
    Affects Versions: 2.0.1
         Environment: inux ws-esp16 2.6.29.3-level2crm #1 SMP PREEMPT Sat May 9 
13:53:16 CEST 2009 i686 GNU/Linux

            Reporter: Gonzalo Aguilar
            Priority: Minor
             Fix For: 2.0.1


Hello all, 

I oppened this issue to give a try to standarize, modularize and enhance 
software startup and configuration.

Before going into a dead end I want to try to figure out how this should work. 
Let's go with the first:

-----------------------------

GRAVE: Excepción enviando evento inicializado de contexto a instancia de 
escuchador de clase org.springframework.web.context.ContextLoaderListener
org.springframework.beans.factory.CannotLoadBeanClassException: Cannot find 
class [org.apache.pluto.container.driver.PlutoServices] for bean with name 
'PlutoServices' defined in ServletContext resource 
[/WEB-INF/pluto-portal-driver-services-config.xml]; nested exception is 
java.lang.ClassNotFoundException: 
org.apache.pluto.container.driver.PlutoServices
Caused by: java.lang.ClassNotFoundException: 
org.apache.pluto.container.driver.PlutoServices
        at 
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1363)
        at 
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1209)
        at org.springframework.util.ClassUtils.forName(ClassUtils.java:183)
        at 
org.springframework.beans.factory.support.AbstractBeanDefinition.resolveBeanClass(AbstractBeanDefinition.java:317)
        at 
org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:1044)
        at 
org.springframework.beans.factory.support.AbstractBeanFactory.isBeanClassMatch(AbstractBeanFactory.java:1072)
        at 
org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeanNamesForType(DefaultListableBeanFactory.java:165)
        at 
org.springframework.context.support.AbstractApplicationContext.getBeanNamesForType(AbstractApplicationContext.java:691)
        at 
org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:395)
        at 
org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:328)
        at 
org.springframework.web.context.support.AbstractRefreshableWebApplicationContext.refresh(AbstractRefreshableWebApplicationContext.java:156)
        at 
org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:246)
        at 
org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:184)
        at 
org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:49)
        at 
org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3764)
        at 
org.apache.catalina.core.StandardContext.start(StandardContext.java:4216)
        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1014)
        at org.apache.catalina.core.StandardHost.start(StandardHost.java:736)
        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1014)
        at 
org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
        at 
org.apache.catalina.core.StandardService.start(StandardService.java:448)
        at 
org.apache.catalina.core.StandardServer.start(StandardServer.java:700)
        at org.apache.catalina.startup.Catalina.start(Catalina.java:552)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:616)
        at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:295)
        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:433)
26-may-2009 16:02:36 org.apache.pluto.driver.PortalStartupListener 
contextInitialized
INFO: Starting up Pluto Portal Driver. . .
--------------------------------------

This is surely because a missing dependency in the try. 

Can I try write a custom contextLoader to detect what is missing and report it 
before crashing?

Is that the correct way?


I already tried to fix a lot of things, one of them was the separation between 
driver and container but later realized that works already started in this way 
so I will try to revisite this with the new trunk version.


Thank you.


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