Ok, just found the solution. When adding Loader component intot context
descriptor, the default value for useSystemClassLoaderAsParent is true
and cause a ClassNotFound error. To fix I added
useSystemClassLoaderAsParent="false" on my Loader component.
<Context path="/app"
reloadable="true"
docBase="C:/solapcore/apacheTest/test/app"
workDir="C:/solapcore/apacheTest/test/app/work"
override="true">
<Loader
className="org.apache.catalina.loader.WebappLoader"
delegate="false"
useSystemClassLoaderAsParent="false"
loaderClass="org.apache.catalina.loader.WebappClassLoader" />
</Context>
I don't know if It is normal that the default value of the
useSystemClassLoaderAsParent attribute is not the same value as used
when "skipping" the Loader component? I didn't found any config file
anywhere overwritting the default values.
Eric
Eric Guinois a écrit :
Hi,
I'm trying to use my own ClassLoader for my Web-Application. I
google a long time and find that the Loader component in the Context
component could help me to replace the ClassLoader of my web
application (subclassing WebappClassLoader).
In the first place, I tried to use the default parameters for the
Loader component. My context file
($CATALINA_HOME/conf/engine/host/context.xml) was
<Context path="/app"
reloadable="true"
docBase="C:/apacheTest/test/app"
workDir="C:/apacheTest/test/app/work" />
and my application were loading and working properly.
When I change to
<Context path="/app"
reloadable="true"
docBase="C:/apacheTest/test/app"
workDir="C:/apacheTest/test/app/work" >
<Loader
className="org.apache.catalina.loader.WebappLoader"
delegate="false"
loaderClass="org.apache.catalina.loader.WebappClassLoader" />
</Context>
I always got this error in the console :
2007-03-01 16:37:19 org.apache.catalina.core.StandardContext start
GRAVE: Error listenerStart
2007-03-01 16:37:19 org.apache.catalina.core.StandardContext start
GRAVE: Erreur de dÚmarrage du contexte [/app] suite aux erreurs
prÚcÚdentes
I googled and searched for information with this error and googled for
example using Loader component without any success.
How can I use the Loader component properly?
I'm using Tomcat 5.5.20 and tried it only under Windows.
Thank you in advance for your time.
Eric Guinois
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