Resource loading is not properly delegated from DeploymentClassLoader
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Key: AXIS2-2738
URL: https://issues.apache.org/jira/browse/AXIS2-2738
Project: Axis 2.0 (Axis2)
Issue Type: Bug
Components: kernel
Affects Versions: 1.2
Environment: Windows XP, Tomcat 5.5, Java 1.5.0_11
Reporter: Fredrik Gustavsson
The getResourceAsStream method (in the DeploymentClassLoader class) fails to
find resources available higher up in the classloader hierarchy.
For example when a service tries to load a resource available in a jar-file
located in WEB-INF/lib (which means that it get loaded by the WebApp
classloader in Tomcat which is an "grandparent" to the DeplymentClassLoader).
In our case we have xmlbean genereated resources common to many services in
that jar.
Reason:
DeploymentClassLoader .getResourceAsStream calls
DeploymentClassLoader.findResource which delegates to super.findResource
(URLClassLoader).
URLClassLoader.findResource however doesn't delegate its search up the
hierarchy.
A way to get it to work (at least for us) is to first call the getResource
(ClassLoader) method in the DeploymentClassLoader .getResourceAsStream as the
code below shows.
---- Modified DeploymentClassLoader .getResourceAsStream snippet
public InputStream getResourceAsStream(String name) {
URL url = getResource(name);
if (url == null) {
url = findResource(name);
}
if (url != null) {
try {
return url.openStream();
}
catch (IOException e) {
throw new RuntimeException(e);
}
}
return null;
}
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