From cc140b2c3404a11d7a860cfdd3c2a3f9aa8dfd48 Mon Sep 17 00:00:00 2001
From: Phillip Webb <pwebb@pivotal.io>
Date: Sun, 10 Apr 2016 21:29:20 -0700
Subject: [PATCH] Reinstate escape hatch for findResource()

Reinstate the defensive call of super.findResource() in
LaunchedURLClassLoader.

Closes gh-5650
See gh-486
---
 .../boot/loader/LaunchedURLClassLoader.java                | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/LaunchedURLClassLoader.java b/spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/LaunchedURLClassLoader.java
index 5609899813b..a9d0e1d4693 100644
--- a/spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/LaunchedURLClassLoader.java
+++ b/spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/LaunchedURLClassLoader.java
@@ -50,7 +50,12 @@ public class LaunchedURLClassLoader extends URLClassLoader {
 	public URL findResource(String name) {
 		Handler.setUseFastConnectionExceptions(true);
 		try {
-			return super.findResource(name);
+			try {
+				return super.findResource(name);
+			}
+			catch (IllegalArgumentException ex) {
+				return null;
+			}
 		}
 		finally {
 			Handler.setUseFastConnectionExceptions(false);