On 20/03/2012 15:41, Konstantin Kolinko wrote:
> 1). Why isn't is starting with this.getParentClassLoader(); ?
>
> The actual shared classloader is the one used in
> WebappLoader#createClassLoader(). I'd say that calling
> Server.getParentClassLoader() will be closer to the truth here.
>
> E.g. Tomcat class creates and calls Server instance directly, without
> relying on Catalina. So using Server.getParentClassLoader() seems to
> be better here.
+1 to that change.
>> + // Walk the class loader hierarchy. Stop at the system class
>> loader.
>> + // This will add the shared (if present) and common class
>> loaders
>> + while (cl != ClassLoader.getSystemClassLoader()) {
>
> 2) It should not hurt to move ClassLoader.getSystemClassLoader() out
> of the loop. This method involves a SecurityManager check and it is
> better to do it once.
+1.
>> + if (cl instanceof URLClassLoader) {
>> + URL[] urls = ((URLClassLoader) cl).getURLs();
>> + for (URL url : urls) {
>> + if (url.getProtocol().equals("file")) {
>> + try {
>> + File f = new File (url.toURI());
>> + if (f.isFile() &&
>> + f.getName().endsWith(".jar")) {
>> + ExtensionValidator.addSystemResource(f);
>
> 3) The above is a static method and it does not check for duplicates.
>
> It would be a substantial change to ExtensionValidator to fix it, so I
> submitted the following issue:
> https://issues.apache.org/bugzilla/show_bug.cgi?id=52952
Comments on bug.
Mark
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