Fixed typo: "occured"->"occurred"

(cherry picked from commit c43e749)

spring-context/src/main/java/org/springframework/context/annotation/AutoProxyRegistrar.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2015 the original author or authors.
+ * Copyright 2002-2016 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.
@@ -79,7 +79,7 @@ public class AutoProxyRegistrar implements ImportBeanDefinitionRegistrar {
 			logger.warn(String.format("%s was imported but no annotations were found " +
 					"having both 'mode' and 'proxyTargetClass' attributes of type " +
 					"AdviceMode and boolean respectively. This means that auto proxy " +
-					"creator registration and configuration may not have occured as " +
+					"creator registration and configuration may not have occurred as " +
 					"intended, and components may not be proxied as expected. Check to " +
 					"ensure that %s has been @Import'ed on the same class where these " +
 					"annotations are declared; otherwise remove the import of %s " +

spring-context/src/main/java/org/springframework/jmx/support/ConnectorServerFactoryBean.java

@@ -138,7 +138,7 @@ public class ConnectorServerFactoryBean extends MBeanRegistrationSupport
 	 * the {@code JMXConnectorServer} will be started in a separate thread.
 	 * If the {@code daemon} flag is set to {@code true}, that thread will be
 	 * started as a daemon thread.
-	 * @throws JMException if a problem occured when registering the connector server
+	 * @throws JMException if a problem occurred when registering the connector server
 	 * with the {@code MBeanServer}
 	 * @throws IOException if there is a problem starting the connector server
 	 */