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Merge pull request #3775 from eclipse/jetty-9.4.x-3736-protect-from-bad-classloader 

Issue #3736 - Give better exception when using bad classloader impl
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Joakim Erdfelt 2019-06-12 16:18:01 -05:00 committed by GitHub
parent 9e368726d7 e81fdbd7c7
commit 070b8f9de1
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1 changed files with 3 additions and 1 deletions
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jetty-webapp/src/main/java/org/eclipse/jetty/webapp/WebAppClassLoader.java
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@ -498,7 +498,9 @@ public class WebAppClassLoader extends URLClassLoader implements ClassVisibility
// Try the parent loader // Try the parent loader
try try
{ {
parent_class = _parent.loadClass(name); parent_class = _parent.loadClass(name);
if (parent_class == null)
throw new ClassNotFoundException("Bad ClassLoader: returned null for loadClass(" + name + ")");
// If the webapp is allowed to see this class // If the webapp is allowed to see this class
if (Boolean.TRUE.equals(__loadServerClasses.get()) || !_context.isServerClass(parent_class)) if (Boolean.TRUE.equals(__loadServerClasses.get()) || !_context.isServerClass(parent_class))