增加ExceptionFilter和DefaultExceptionFilter支持异常处理

hutool-http/src/test/java/cn/hutool/http/server/ExceptionServerTest.java

@@ -0,0 +1,17 @@
+package cn.hutool.http.server;
+
+import cn.hutool.http.HttpUtil;
+import cn.hutool.http.server.filter.DefaultExceptionFilter;
+
+import java.io.IOException;
+
+public class ExceptionServerTest {
+	public static void main(final String[] args) {
+		HttpUtil.createServer(8888)
+			.addFilter(new DefaultExceptionFilter())
+			.addAction("/", (req, res) -> {
+				throw new RuntimeException("Test Exception");
+			})
+			.start();
+	}
+}

hutool-http/src/test/java/cn/hutool/http/server/Issue3568Test.java

@@ -0,0 +1,15 @@
+package cn.hutool.http.server;
+
+import cn.hutool.http.HttpUtil;
+
+import java.io.IOException;
+
+public class Issue3568Test {
+	public static void main(String[] args) {
+		HttpUtil.createServer(8888)
+			.addHandler("/", httpExchange -> {
+				throw new IOException("111");
+			})
+			.start();
+	}
+}