From 433f998659008e1243d8022a166ef6e1dade6cc8 Mon Sep 17 00:00:00 2001
From: Dave Syer <dsyer@gopivotal.com>
Date: Tue, 18 Mar 2014 14:13:31 +0000
Subject: [PATCH] Be defensive with possibly secured APIs

---
 .../boot/SpringApplication.java               |  8 ++++++-
 .../boot/StartupInfoLogger.java               |  7 +++++-
 .../logging/LoggingApplicationListener.java   | 10 ++++++---
 .../logging/logback/LogbackLoggingSystem.java | 22 ++++++++++++-------
 4 files changed, 34 insertions(+), 13 deletions(-)

diff --git a/spring-boot/src/main/java/org/springframework/boot/SpringApplication.java b/spring-boot/src/main/java/org/springframework/boot/SpringApplication.java
index a59d19f3b2..415b199174 100644
--- a/spring-boot/src/main/java/org/springframework/boot/SpringApplication.java
+++ b/spring-boot/src/main/java/org/springframework/boot/SpringApplication.java
@@ -17,6 +17,7 @@
 package org.springframework.boot;
 
 import java.lang.reflect.Constructor;
+import java.security.AccessControlException;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
@@ -281,7 +282,12 @@ public class SpringApplication {
 			// Create, load, refresh and run the ApplicationContext
 			context = createApplicationContext();
 			if (this.registerShutdownHook) {
-				context.registerShutdownHook();
+				try {
+					context.registerShutdownHook();
+				}
+				catch (AccessControlException e) {
+					// Not allowed in some environments.
+				}
 			}
 			context.setEnvironment(environment);
 			postProcessApplicationContext(context);
diff --git a/spring-boot/src/main/java/org/springframework/boot/StartupInfoLogger.java b/spring-boot/src/main/java/org/springframework/boot/StartupInfoLogger.java
index 3d0cfc234a..68b8f011d1 100644
--- a/spring-boot/src/main/java/org/springframework/boot/StartupInfoLogger.java
+++ b/spring-boot/src/main/java/org/springframework/boot/StartupInfoLogger.java
@@ -89,7 +89,12 @@ class StartupInfoLogger {
 		message.append(" in ");
 		message.append(stopWatch.getTotalTimeSeconds());
 		message.append(" seconds (JVM running for ");
-		message.append(ManagementFactory.getRuntimeMXBean().getUptime() / 1000.0);
+		try {
+			message.append(ManagementFactory.getRuntimeMXBean().getUptime() / 1000.0);
+		}
+		catch (Throwable e) {
+			message.append("?");
+		}
 		message.append(")");
 		return message;
 	}
diff --git a/spring-boot/src/main/java/org/springframework/boot/logging/LoggingApplicationListener.java b/spring-boot/src/main/java/org/springframework/boot/logging/LoggingApplicationListener.java
index f02b384ddc..7859457064 100644
--- a/spring-boot/src/main/java/org/springframework/boot/logging/LoggingApplicationListener.java
+++ b/spring-boot/src/main/java/org/springframework/boot/logging/LoggingApplicationListener.java
@@ -191,9 +191,13 @@ public class LoggingApplicationListener implements SmartApplicationListener {
 	}
 
 	private String getPid() {
-		String name = ManagementFactory.getRuntimeMXBean().getName();
-		if (name != null) {
-			return name.split("@")[0];
+		try {
+			String name = ManagementFactory.getRuntimeMXBean().getName();
+			if (name != null) {
+				return name.split("@")[0];
+			}
+		}
+		catch (Throwable e) {
 		}
 		return "????";
 	}
diff --git a/spring-boot/src/main/java/org/springframework/boot/logging/logback/LogbackLoggingSystem.java b/spring-boot/src/main/java/org/springframework/boot/logging/logback/LogbackLoggingSystem.java
index 9f7eb6e7eb..7e2d29ba52 100644
--- a/spring-boot/src/main/java/org/springframework/boot/logging/logback/LogbackLoggingSystem.java
+++ b/spring-boot/src/main/java/org/springframework/boot/logging/logback/LogbackLoggingSystem.java
@@ -66,15 +66,21 @@ public class LogbackLoggingSystem extends AbstractLoggingSystem {
 	@Override
 	public void beforeInitialize() {
 		super.beforeInitialize();
-		if (ClassUtils.isPresent("org.slf4j.bridge.SLF4JBridgeHandler", getClassLoader())) {
-			try {
-				SLF4JBridgeHandler.removeHandlersForRootLogger();
+		try {
+			if (ClassUtils.isPresent("org.slf4j.bridge.SLF4JBridgeHandler",
+					getClassLoader())) {
+				try {
+					SLF4JBridgeHandler.removeHandlersForRootLogger();
+				}
+				catch (NoSuchMethodError ex) {
+					// Method missing in older versions of SLF4J like in JBoss AS 7.1
+					SLF4JBridgeHandler.uninstall();
+				}
+				SLF4JBridgeHandler.install();
 			}
-			catch (NoSuchMethodError ex) {
-				// Method missing in older versions of SLF4J like in JBoss AS 7.1
-				SLF4JBridgeHandler.uninstall();
-			}
-			SLF4JBridgeHandler.install();
+		}
+		catch (Throwable e) {
+			// Ignore. No java.util.logging bridge is installed.
 		}
 	}