Miguel Ángel Pastor Olivar created FELIX-3696:
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Summary: Extension Bundle system adds loader to the classloader
which can make other libraries to fail
Key: FELIX-3696
URL: https://issues.apache.org/jira/browse/FELIX-3696
Project: Felix
Issue Type: Bug
Affects Versions: framework-4.0.2
Reporter: Miguel Ángel Pastor Olivar
I am embedding Apache Felix (and Equinox because I would like to switch
depending on the application server I am running on).
* The xalan ExtensionHandler executes something like this:
ObjectFactory.findProviderClass(className, ObjectFactory.findClassLoader(),
true)
* The className has the format "java:org.portletbridge.portlet.BridgeFunctions"
( I am embedding the OSGI container into Liferay portal :) )
* The extension manager have already added the extension loader to the
classloader
{code}
Felix.m_secureAction.addURLToURLClassLoader(Felix.m_secureAction.createURL(Felix.m_secureAction.createURL(null,
"http:", extensionManager),"http://felix.extensions:9/";,
extensionManager),Felix.class.getClassLoader());
{code}
* When the classloader try to resolve the
"java:org.portletbridge.portlet.BridgeFunctions" the previous loader added by
the ExtensionManager cause an unhandled error.
In sun.misc.URL
{code}
public Resource getResource(String name, boolean check) {
if (DEBUG) {
System.err.println("URLClassPath.getResource(\"" + name + "\")");
}
Loader loader;
for (int i = 0; (loader = getLoader(i)) != null; i++) {
Resource res = loader.getResource(name, check);
if (res != null) {
return res;
}
}
return null;
}
{code}
In the previous code, the loader injected by the framework is causing an
IllegalArgumentException, so instead of returning a null value.
Let me know if you need some more details.
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