Polish

spring-boot-tools/spring-boot-loader/src/it/executable-war/src/main/java/org/springframework/launcher/it/war/embedded/WebApplicationInitializersConfiguration.java

@@ -60,8 +60,8 @@ public class WebApplicationInitializersConfiguration extends AbstractConfigurati
 						initializer.onStartup(sce.getServletContext());
 					}
 				}
-				catch (Exception e) {
-					throw new RuntimeException(e);
+				catch (Exception ex) {
+					throw new RuntimeException(ex);
 				}
 			}
 

spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/LaunchedURLClassLoader.java

@@ -173,14 +173,16 @@ public class LaunchedURLClassLoader extends URLClassLoader {
 
 							}
 						}
-						catch (IOException e) {
+						catch (IOException ex) {
+							// Ignore
 						}
 					}
 					return null;
 				}
 			}, AccessController.getContext());
 		}
-		catch (java.security.PrivilegedActionException pae) {
+		catch (java.security.PrivilegedActionException ex) {
+			// Ignore
 		}
 	}
 }

spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/PropertiesLauncher.java

@@ -308,7 +308,7 @@ public class PropertiesLauncher extends Launcher {
 			this.logger.info("Main class from home directory manifest: " + mainClass);
 			return mainClass;
 		}
-		catch (IllegalStateException e) {
+		catch (IllegalStateException ex) {
 			// Otherwise try the parent archive
 			String mainClass = createArchive().getMainClass();
 			this.logger.info("Main class from archive manifest: " + mainClass);

spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/archive/Archive.java

@@ -65,7 +65,7 @@ public abstract class Archive {
 		try {
 			return getUrl().toString();
 		}
-		catch (Exception e) {
+		catch (Exception ex) {
 			return "archive";
 		}
 	}