Remove unnecessary throws declaration

spring-session-core/src/main/java/org/springframework/session/web/context/AbstractHttpSessionApplicationInitializer.java

@@ -23,7 +23,6 @@ import javax.servlet.DispatcherType;
 import javax.servlet.Filter;
 import javax.servlet.FilterRegistration.Dynamic;
 import javax.servlet.ServletContext;
-import javax.servlet.ServletException;
 
 import org.springframework.context.ApplicationContext;
 import org.springframework.core.Conventions;
@@ -105,7 +104,7 @@ public abstract class AbstractHttpSessionApplicationInitializer implements WebAp
 	}
 
 	@Override
-	public void onStartup(ServletContext servletContext) throws ServletException {
+	public void onStartup(ServletContext servletContext) {
 		beforeSessionRepositoryFilter(servletContext);
 		if (this.configurationClasses != null) {
 			AnnotationConfigWebApplicationContext rootAppContext = new AnnotationConfigWebApplicationContext();

spring-session-core/src/main/java/org/springframework/session/web/socket/server/SessionRepositoryMessageInterceptor.java

@@ -125,7 +125,7 @@ public final class SessionRepositoryMessageInterceptor<S extends Session>
 
 	@Override
 	public boolean beforeHandshake(ServerHttpRequest request, ServerHttpResponse response, WebSocketHandler wsHandler,
-			Map<String, Object> attributes) throws Exception {
+			Map<String, Object> attributes) {
 		if (request instanceof ServletServerHttpRequest) {
 			ServletServerHttpRequest servletRequest = (ServletServerHttpRequest) request;
 			HttpSession session = servletRequest.getServletRequest().getSession(false);

spring-session-core/src/test/java/org/springframework/session/web/http/CookieHttpSessionIdResolverTests.java

@@ -47,7 +47,7 @@ class CookieHttpSessionIdResolverTests {
 	private Session session;
 
 	@BeforeEach
-	void setup() throws Exception {
+	void setup() {
 		this.cookieName = "SESSION";
 		this.session = new MapSession();
 		this.request = new MockHttpServletRequest();
@@ -56,19 +56,19 @@ class CookieHttpSessionIdResolverTests {
 	}
 
 	@Test
-	void getRequestedSessionIdNull() throws Exception {
+	void getRequestedSessionIdNull() {
 		assertThat(this.strategy.resolveSessionIds(this.request)).isEmpty();
 	}
 
 	@Test
-	void getRequestedSessionIdNotNull() throws Exception {
+	void getRequestedSessionIdNotNull() {
 		setSessionCookie(this.session.getId());
 		assertThat(this.strategy.resolveSessionIds(this.request))
 				.isEqualTo(Collections.singletonList(this.session.getId()));
 	}
 
 	@Test
-	void getRequestedSessionIdNotNullCustomCookieName() throws Exception {
+	void getRequestedSessionIdNotNullCustomCookieName() {
 		setCookieName("CUSTOM");
 		setSessionCookie(this.session.getId());
 		assertThat(this.strategy.resolveSessionIds(this.request))
@@ -76,13 +76,13 @@ class CookieHttpSessionIdResolverTests {
 	}
 
 	@Test
-	void onNewSession() throws Exception {
+	void onNewSession() {
 		this.strategy.setSessionId(this.request, this.response, this.session.getId());
 		assertThat(getSessionId()).isEqualTo(this.session.getId());
 	}
 
 	@Test
-	void onNewSessionTwiceSameId() throws Exception {
+	void onNewSessionTwiceSameId() {
 		this.strategy.setSessionId(this.request, this.response, this.session.getId());
 		this.strategy.setSessionId(this.request, this.response, this.session.getId());
 
@@ -90,7 +90,7 @@ class CookieHttpSessionIdResolverTests {
 	}
 
 	@Test
-	void onNewSessionTwiceNewId() throws Exception {
+	void onNewSessionTwiceNewId() {
 		Session newSession = new MapSession();
 
 		this.strategy.setSessionId(this.request, this.response, this.session.getId());
@@ -104,7 +104,7 @@ class CookieHttpSessionIdResolverTests {
 	}
 
 	@Test
-	void onNewSessionCookiePath() throws Exception {
+	void onNewSessionCookiePath() {
 		this.request.setContextPath("/somethingunique");
 		this.strategy.setSessionId(this.request, this.response, this.session.getId());
 
@@ -113,20 +113,20 @@ class CookieHttpSessionIdResolverTests {
 	}
 
 	@Test
-	void onNewSessionCustomCookieName() throws Exception {
+	void onNewSessionCustomCookieName() {
 		setCookieName("CUSTOM");
 		this.strategy.setSessionId(this.request, this.response, this.session.getId());
 		assertThat(getSessionId()).isEqualTo(this.session.getId());
 	}
 
 	@Test
-	void onDeleteSession() throws Exception {
+	void onDeleteSession() {
 		this.strategy.expireSession(this.request, this.response);
 		assertThat(getSessionId()).isEmpty();
 	}
 
 	@Test
-	void onDeleteSessionCookiePath() throws Exception {
+	void onDeleteSessionCookiePath() {
 		this.request.setContextPath("/somethingunique");
 		this.strategy.expireSession(this.request, this.response);
 
@@ -135,7 +135,7 @@ class CookieHttpSessionIdResolverTests {
 	}
 
 	@Test
-	void onDeleteSessionCustomCookieName() throws Exception {
+	void onDeleteSessionCustomCookieName() {
 		setCookieName("CUSTOM");
 		this.strategy.expireSession(this.request, this.response);
 		assertThat(getSessionId()).isEmpty();

spring-session-core/src/test/java/org/springframework/session/web/http/OnCommittedResponseWrapperTests.java

@@ -1061,7 +1061,7 @@ class OnCommittedResponseWrapperTests {
 	}
 
 	@Test
-	void contentLengthDoesNotCommit() throws IOException {
+	void contentLengthDoesNotCommit() {
 		String body = "something";
 
 		this.response.setContentLength(body.length());

spring-session-core/src/test/java/org/springframework/session/web/http/SessionRepositoryFilterTests.java

@@ -96,7 +96,7 @@ class SessionRepositoryFilterTests {
 	private MockFilterChain chain;
 
 	@BeforeEach
-	void setup() throws Exception {
+	void setup() {
 		MockitoAnnotations.initMocks(this);
 		this.sessions = new HashMap<>();
 		this.sessionRepository = new MapSessionRepository(this.sessions);
@@ -1141,8 +1141,7 @@ class SessionRepositoryFilterTests {
 
 		doFilter(new DoInFilter() {
 			@Override
-			public void doFilter(HttpServletRequest wrappedRequest, HttpServletResponse wrappedResponse)
-					throws IOException {
+			public void doFilter(HttpServletRequest wrappedRequest, HttpServletResponse wrappedResponse) {
 				String actualId = wrappedRequest.getRequestedSessionId();
 				assertThat(actualId).isEqualTo(expectedId);
 			}
@@ -1176,8 +1175,7 @@ class SessionRepositoryFilterTests {
 
 		doFilter(new DoInFilter() {
 			@Override
-			public void doFilter(HttpServletRequest wrappedRequest, HttpServletResponse wrappedResponse)
-					throws IOException {
+			public void doFilter(HttpServletRequest wrappedRequest, HttpServletResponse wrappedResponse) {
 				wrappedRequest.getSession();
 			}
 		});
@@ -1194,8 +1192,7 @@ class SessionRepositoryFilterTests {
 
 		doFilter(new DoInFilter() {
 			@Override
-			public void doFilter(HttpServletRequest wrappedRequest, HttpServletResponse wrappedResponse)
-					throws IOException {
+			public void doFilter(HttpServletRequest wrappedRequest, HttpServletResponse wrappedResponse) {
 				wrappedRequest.getSession().getId();
 			}
 		});
@@ -1207,8 +1204,7 @@ class SessionRepositoryFilterTests {
 
 		doFilter(new DoInFilter() {
 			@Override
-			public void doFilter(HttpServletRequest wrappedRequest, HttpServletResponse wrappedResponse)
-					throws IOException {
+			public void doFilter(HttpServletRequest wrappedRequest, HttpServletResponse wrappedResponse) {
 				wrappedRequest.getSession().invalidate();
 			}
 		});
@@ -1223,8 +1219,7 @@ class SessionRepositoryFilterTests {
 
 		doFilter(new DoInFilter() {
 			@Override
-			public void doFilter(HttpServletRequest wrappedRequest, HttpServletResponse wrappedResponse)
-					throws IOException {
+			public void doFilter(HttpServletRequest wrappedRequest, HttpServletResponse wrappedResponse) {
 				wrappedRequest.getSession().getId();
 			}
 		});
@@ -1235,8 +1230,7 @@ class SessionRepositoryFilterTests {
 
 		doFilter(new DoInFilter() {
 			@Override
-			public void doFilter(HttpServletRequest wrappedRequest, HttpServletResponse wrappedResponse)
-					throws IOException {
+			public void doFilter(HttpServletRequest wrappedRequest, HttpServletResponse wrappedResponse) {
 			}
 		});
 
@@ -1252,8 +1246,7 @@ class SessionRepositoryFilterTests {
 
 		doFilter(new DoInFilter() {
 			@Override
-			public void doFilter(HttpServletRequest wrappedRequest, HttpServletResponse wrappedResponse)
-					throws IOException {
+			public void doFilter(HttpServletRequest wrappedRequest, HttpServletResponse wrappedResponse) {
 				wrappedRequest.getSession().getId();
 			}
 		});
@@ -1263,8 +1256,7 @@ class SessionRepositoryFilterTests {
 
 		doFilter(new DoInFilter() {
 			@Override
-			public void doFilter(HttpServletRequest wrappedRequest, HttpServletResponse wrappedResponse)
-					throws IOException {
+			public void doFilter(HttpServletRequest wrappedRequest, HttpServletResponse wrappedResponse) {
 			}
 		});
 
@@ -1279,8 +1271,7 @@ class SessionRepositoryFilterTests {
 
 		doFilter(new DoInFilter() {
 			@Override
-			public void doFilter(HttpServletRequest wrappedRequest, HttpServletResponse wrappedResponse)
-					throws IOException {
+			public void doFilter(HttpServletRequest wrappedRequest, HttpServletResponse wrappedResponse) {
 			}
 		});
 
@@ -1298,8 +1289,7 @@ class SessionRepositoryFilterTests {
 
 		doFilter(new DoInFilter() {
 			@Override
-			public void doFilter(HttpServletRequest wrappedRequest, HttpServletResponse wrappedResponse)
-					throws IOException {
+			public void doFilter(HttpServletRequest wrappedRequest, HttpServletResponse wrappedResponse) {
 			}
 		});
 
@@ -1505,7 +1495,7 @@ class SessionRepositoryFilterTests {
 		this.chain = new MockFilterChain();
 	}
 
-	private void nextRequest() throws Exception {
+	private void nextRequest() {
 		Map<String, Cookie> nameToCookie = new HashMap<>();
 		if (this.request.getCookies() != null) {
 			for (Cookie cookie : this.request.getCookies()) {

spring-session-core/src/test/java/org/springframework/session/web/socket/handler/WebSocketRegistryListenerTests.java

@@ -154,7 +154,7 @@ class WebSocketRegistryListenerTests {
 	}
 
 	@Test
-	void onApplicationEventConnectDisconnectNullSession() throws Exception {
+	void onApplicationEventConnectDisconnectNullSession() {
 		this.listener.onApplicationEvent(this.connect);
 		this.attributes.clear();
 

spring-session-core/src/test/java/org/springframework/session/web/socket/server/SessionRepositoryMessageInterceptorTests.java

@@ -222,14 +222,14 @@ class SessionRepositoryMessageInterceptorTests {
 	}
 
 	@Test
-	void beforeHandshakeNotServletServerHttpRequest() throws Exception {
+	void beforeHandshakeNotServletServerHttpRequest() {
 		assertThat(this.interceptor.beforeHandshake(null, null, null, null)).isTrue();
 
 		verifyZeroInteractions(this.sessionRepository);
 	}
 
 	@Test
-	void beforeHandshakeNullSession() throws Exception {
+	void beforeHandshakeNullSession() {
 		ServletServerHttpRequest request = new ServletServerHttpRequest(new MockHttpServletRequest());
 		assertThat(this.interceptor.beforeHandshake(request, null, null, null)).isTrue();
 
@@ -237,7 +237,7 @@ class SessionRepositoryMessageInterceptorTests {
 	}
 
 	@Test
-	void beforeHandshakeSession() throws Exception {
+	void beforeHandshakeSession() {
 		MockHttpServletRequest httpRequest = new MockHttpServletRequest();
 		HttpSession httpSession = httpRequest.getSession();
 		ServletServerHttpRequest request = new ServletServerHttpRequest(httpRequest);