diff --git a/changelog.html b/changelog.html
index 1edb881251..863982084b 100644
--- a/changelog.html
+++ b/changelog.html
@@ -55,6 +55,9 @@ Upcoming changes</a>
 <!-- Record your changes in the trunk here. -->
 <div id="trunk" style="display:none"><!--=TRUNK-BEGIN=-->
 <ul class=image>
+  <li class=bug>
+    Fixed a plugin boot problem that causes Jenkins to startup gracefully when some optional plugin dependencies aren't met (such as ivy to nant)
+    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-11279">issue 11279</a>)
   <li class=rfe>
     Improved the classloading performance
 </ul>
diff --git a/core/src/main/java/hudson/ExtensionFinder.java b/core/src/main/java/hudson/ExtensionFinder.java
index 5fd1dd313b..0dcd72c246 100644
--- a/core/src/main/java/hudson/ExtensionFinder.java
+++ b/core/src/main/java/hudson/ExtensionFinder.java
@@ -290,6 +290,8 @@ public abstract class ExtensionFinder implements ExtensionPoint {
                     Method m = ClassLoader.class.getDeclaredMethod("resolveClass", Class.class);
                     m.setAccessible(true);
                     m.invoke(ecl, c);
+                    c.getMethods();
+                    c.getFields();
                 } catch (Exception x) {
                     throw (LinkageError)new LinkageError("Failed to resolve "+c).initCause(x);
                 }