If val errors out, now at least you see where it happened.

buildScripts/ivysettings.xml

@@ -7,6 +7,6 @@
 			<ibiblio name="maven-repo2" m2compatible="true" root="http://repo2.maven.org/maven2" />
 		</chain>
 	</resolvers>
-	<settings defaultResolver="projectRepos" />
+	<settings defaultResolver="projectRepos" validate="false" />
 	<caches defaultCacheDir="${ivy.basedir}/ivyCache" />
 </ivysettings>

src/core/lombok/javac/handlers/HandleVal.java

@@ -95,7 +95,12 @@ public class HandleVal extends JavacASTAdapter {
 			if (rhsOfEnhancedForLoop == null) {
 				if (local.init.type == null) {
 					JavacResolution resolver = new JavacResolution(localNode.getContext());
-					type = ((JCExpression) resolver.resolveMethodMember(localNode).get(local.init)).type;
+					try {
+						type = ((JCExpression) resolver.resolveMethodMember(localNode).get(local.init)).type;
+					} catch (RuntimeException e) {
+						System.err.println("Exception while resolving: " + localNode);
+						throw e;
+					}
 				} else {
 					type = local.init.type;
 				}