diff --git a/spring-boot-project/spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/archive/ExplodedArchive.java b/spring-boot-project/spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/archive/ExplodedArchive.java
index 9454b1094e..8b5b6d43be 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/archive/ExplodedArchive.java
+++ b/spring-boot-project/spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/archive/ExplodedArchive.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2017 the original author or authors.
+ * Copyright 2012-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/archive/JarFileArchive.java b/spring-boot-project/spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/archive/JarFileArchive.java
index 461969e579..fd90f9157d 100755
--- a/spring-boot-project/spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/archive/JarFileArchive.java
+++ b/spring-boot-project/spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/archive/JarFileArchive.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2018 the original author or authors.
+ * Copyright 2012-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -53,7 +53,7 @@ public class JarFileArchive implements Archive {
 	private File tempUnpackFolder;
 
 	public JarFileArchive(File file) throws IOException {
-		this(file, null);
+		this(file, file.toURI().toURL());
 	}
 
 	public JarFileArchive(File file, URL url) throws IOException {
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/JarLauncherTests.java b/spring-boot-project/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/JarLauncherTests.java
index 440d6e6343..1d5ff669d5 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/JarLauncherTests.java
+++ b/spring-boot-project/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/JarLauncherTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2017 the original author or authors.
+ * Copyright 2012-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -44,9 +44,7 @@ public class JarLauncherTests extends AbstractExecutableArchiveLauncherTests {
 		assertThat(archives).hasSize(2);
 		assertThat(getUrls(archives)).containsOnly(
 				new File(explodedRoot, "BOOT-INF/classes").toURI().toURL(),
-				new URL("jar:"
-						+ new File(explodedRoot, "BOOT-INF/lib/foo.jar").toURI().toURL()
-						+ "!/"));
+				new File(explodedRoot, "BOOT-INF/lib/foo.jar").toURI().toURL());
 	}
 
 	@Test
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/PropertiesLauncherTests.java b/spring-boot-project/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/PropertiesLauncherTests.java
index e29b0ae3db..5f33aceed2 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/PropertiesLauncherTests.java
+++ b/spring-boot-project/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/PropertiesLauncherTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2018 the original author or authors.
+ * Copyright 2012-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -142,7 +142,7 @@ public class PropertiesLauncherTests {
 		assertThat(ReflectionTestUtils.getField(launcher, "paths").toString())
 				.isEqualTo("[jars/]");
 		List<Archive> archives = launcher.getClassPathArchives();
-		assertThat(archives).areExactly(1, endingWith("app.jar!/"));
+		assertThat(archives).areExactly(1, endingWith("app.jar"));
 	}
 
 	@Test
@@ -176,7 +176,7 @@ public class PropertiesLauncherTests {
 				.isEqualTo("[jar:file:./src/test/resources/nested-jars/app.jar!/]");
 		List<Archive> archives = launcher.getClassPathArchives();
 		assertThat(archives).areExactly(1, endingWith("foo.jar!/"));
-		assertThat(archives).areExactly(1, endingWith("app.jar!/"));
+		assertThat(archives).areExactly(1, endingWith("app.jar"));
 	}
 
 	@Test
@@ -185,7 +185,7 @@ public class PropertiesLauncherTests {
 		PropertiesLauncher launcher = new PropertiesLauncher();
 		List<Archive> archives = launcher.getClassPathArchives();
 		assertThat(archives).areExactly(1, endingWith("foo.jar!/"));
-		assertThat(archives).areExactly(1, endingWith("app.jar!/"));
+		assertThat(archives).areExactly(1, endingWith("app.jar"));
 	}
 
 	@Test
@@ -204,7 +204,7 @@ public class PropertiesLauncherTests {
 		PropertiesLauncher launcher = new PropertiesLauncher();
 		List<Archive> archives = launcher.getClassPathArchives();
 		assertThat(archives).areExactly(1, endingWith("foo.jar!/"));
-		assertThat(archives).areExactly(1, endingWith("app.jar!/"));
+		assertThat(archives).areExactly(1, endingWith("app.jar"));
 	}
 
 	@Test
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/WarLauncherTests.java b/spring-boot-project/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/WarLauncherTests.java
index 94231ab02e..00f932b6a8 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/WarLauncherTests.java
+++ b/spring-boot-project/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/WarLauncherTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2017 the original author or authors.
+ * Copyright 2012-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -44,9 +44,7 @@ public class WarLauncherTests extends AbstractExecutableArchiveLauncherTests {
 		assertThat(archives).hasSize(2);
 		assertThat(getUrls(archives)).containsOnly(
 				new File(explodedRoot, "WEB-INF/classes").toURI().toURL(),
-				new URL("jar:"
-						+ new File(explodedRoot, "WEB-INF/lib/foo.jar").toURI().toURL()
-						+ "!/"));
+				new File(explodedRoot, "WEB-INF/lib/foo.jar").toURI().toURL());
 	}
 
 	@Test
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/archive/ExplodedArchiveTests.java b/spring-boot-project/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/archive/ExplodedArchiveTests.java
index 0e2b73ac1a..648477740a 100755
--- a/spring-boot-project/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/archive/ExplodedArchiveTests.java
+++ b/spring-boot-project/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/archive/ExplodedArchiveTests.java
@@ -127,7 +127,7 @@ public class ExplodedArchiveTests {
 		Entry entry = getEntriesMap(this.archive).get("nested.jar");
 		Archive nested = this.archive.getNestedArchive(entry);
 		assertThat(nested.getUrl().toString())
-				.isEqualTo("jar:" + this.rootFolder.toURI() + "nested.jar!/");
+				.isEqualTo(this.rootFolder.toURI() + "nested.jar");
 	}
 
 	@Test
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/archive/JarFileArchiveTests.java b/spring-boot-project/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/archive/JarFileArchiveTests.java
index 669b36edba..464cf55ca8 100755
--- a/spring-boot-project/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/archive/JarFileArchiveTests.java
+++ b/spring-boot-project/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/archive/JarFileArchiveTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2018 the original author or authors.
+ * Copyright 2012-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -84,7 +84,7 @@ public class JarFileArchiveTests {
 	@Test
 	public void getUrl() throws Exception {
 		URL url = this.archive.getUrl();
-		assertThat(url.toString()).isEqualTo("jar:" + this.rootJarFileUrl + "!/");
+		assertThat(url.toString()).isEqualTo(this.rootJarFileUrl);
 	}
 
 	@Test