diff --git a/dev/core/src/com/google/gwt/dev/javac/JdtCompiler.java b/dev/core/src/com/google/gwt/dev/javac/JdtCompiler.java
index 4202fdf..9f0c604 100644
--- a/dev/core/src/com/google/gwt/dev/javac/JdtCompiler.java
+++ b/dev/core/src/com/google/gwt/dev/javac/JdtCompiler.java
@@ -423,8 +423,10 @@
       // resolve an outer type before trying to get the cached inner
       String cupName = typeName.substring(0, p);
       char[][] chars = CharOperation.splitOn('.', cupName.toCharArray());
-      if (lookupEnvironment.getType(chars) != null) {
+      ReferenceBinding outerType = lookupEnvironment.getType(chars);
+      if (outerType != null) {
         // outer class was found
+        resolveRecursive(outerType);
         chars = CharOperation.splitOn('.', typeName.toCharArray());
         type = lookupEnvironment.getCachedType(chars);
         if (type == null) {
@@ -472,6 +474,16 @@
     return false;
   }
 
+  /**
+   * Recursively invoking {@link ReferenceBinding#memberTypes()} causes JDT to
+   * resolve and cache all nested types at arbitrary depth.
+   */
+  private static void resolveRecursive(ReferenceBinding outerType) {
+    for (ReferenceBinding memberType : outerType.memberTypes()) {
+      resolveRecursive(memberType);
+    }
+  }
+
   private AdditionalTypeProviderDelegate additionalTypeProviderDelegate;
 
   /**