Remove redundant throws clauses

Removes exceptions that are declared in a method's signature but never thrown by the method itself or its implementations/derivatives.

cas/src/main/java/org/springframework/security/cas/ServiceProperties.java

@@ -50,7 +50,7 @@ public class ServiceProperties implements InitializingBean {
 	// ~ Methods
 	// ========================================================================================================
 
-	public void afterPropertiesSet() throws Exception {
+	public void afterPropertiesSet() {
 		Assert.hasLength(this.service, "service cannot be empty.");
 		Assert.hasLength(this.artifactParameter, "artifactParameter cannot be empty.");
 		Assert.hasLength(this.serviceParameter, "serviceParameter cannot be empty.");

cas/src/main/java/org/springframework/security/cas/authentication/CasAuthenticationProvider.java

@@ -77,7 +77,7 @@ public class CasAuthenticationProvider implements AuthenticationProvider,
 	// ~ Methods
 	// ========================================================================================================
 
-	public void afterPropertiesSet() throws Exception {
+	public void afterPropertiesSet() {
 		Assert.notNull(this.authenticationUserDetailsService,
 				"An authenticationUserDetailsService must be set");
 		Assert.notNull(this.ticketValidator, "A ticketValidator must be set");

cas/src/main/java/org/springframework/security/cas/authentication/EhCacheBasedTicketCache.java

@@ -44,7 +44,7 @@ public class EhCacheBasedTicketCache implements StatelessTicketCache, Initializi
 	// ~ Methods
 	// ========================================================================================================
 
-	public void afterPropertiesSet() throws Exception {
+	public void afterPropertiesSet() {
 		Assert.notNull(cache, "cache mandatory");
 	}
 

cas/src/main/java/org/springframework/security/cas/authentication/SpringCacheBasedTicketCache.java

@@ -42,7 +42,7 @@ public class SpringCacheBasedTicketCache implements StatelessTicketCache {
 	// ~ Constructors
 	// ===================================================================================================
 
-	public SpringCacheBasedTicketCache(Cache cache) throws Exception {
+	public SpringCacheBasedTicketCache(Cache cache) {
 		Assert.notNull(cache, "cache mandatory");
 		this.cache = cache;
 	}

cas/src/main/java/org/springframework/security/cas/web/CasAuthenticationEntryPoint.java

@@ -65,7 +65,7 @@ public class CasAuthenticationEntryPoint implements AuthenticationEntryPoint,
 	// ~ Methods
 	// ========================================================================================================
 
-	public void afterPropertiesSet() throws Exception {
+	public void afterPropertiesSet() {
 		Assert.hasLength(this.loginUrl, "loginUrl must be specified");
 		Assert.notNull(this.serviceProperties, "serviceProperties must be specified");
 		Assert.notNull(this.serviceProperties.getService(),
@@ -74,8 +74,7 @@ public class CasAuthenticationEntryPoint implements AuthenticationEntryPoint,
 
 	public final void commence(final HttpServletRequest servletRequest,
 			final HttpServletResponse response,
-			final AuthenticationException authenticationException) throws IOException,
-			ServletException {
+			final AuthenticationException authenticationException) throws IOException {
 
 		final String urlEncodedService = createServiceUrl(servletRequest, response);
 		final String redirectUrl = createRedirectUrl(urlEncodedService);

cas/src/test/java/org/springframework/security/cas/authentication/CasAuthenticationProviderTests.java

@@ -418,8 +418,7 @@ public class CasAuthenticationProviderTests {
 			this.returnTicket = returnTicket;
 		}
 
-		public Assertion validate(final String ticket, final String service)
-				throws TicketValidationException {
+		public Assertion validate(final String ticket, final String service) {
 			if (returnTicket) {
 				return new AssertionImpl("rod");
 			}

cas/src/test/java/org/springframework/security/cas/jackson2/CasAuthenticationTokenMixinTests.java

@@ -128,7 +128,7 @@ public class CasAuthenticationTokenMixinTests {
 	}
 
 	@Test
-	public void deserializeCasAuthenticationTest() throws IOException, JSONException {
+	public void deserializeCasAuthenticationTest() throws IOException {
 		CasAuthenticationToken token = mapper.readValue(CAS_TOKEN_JSON, CasAuthenticationToken.class);
 		assertThat(token).isNotNull();
 		assertThat(token.getPrincipal()).isNotNull().isInstanceOf(User.class);