fix[#320]: 데이터 전송 실패 시 SseEmitter 삭제 및 완료 처리

src/main/java/com/sillim/recordit/invite/service/InviteService.java

@@ -14,7 +14,6 @@
 import com.sillim.recordit.member.domain.Member;
 import com.sillim.recordit.pushalarm.dto.PushMessage;
 import com.sillim.recordit.pushalarm.service.AlarmService;
-import java.io.IOException;
 import java.time.LocalDateTime;
 import java.util.Base64;
 import java.util.Optional;
@@ -75,8 +74,7 @@ public InviteLink searchInviteInfo(String inviteCode) {
 				new String(Base64.getUrlDecoder().decode(inviteCode)));
 	}
 
-	public void inviteMember(Long calendarId, Long invitedMemberId, Member inviter)
-			throws IOException {
+	public void inviteMember(Long calendarId, Long invitedMemberId, Member inviter) {
 		Calendar calendar = calendarQueryService.searchByCalendarId(calendarId);
 		calendar.validateAuthenticatedMember(inviter.getId());
 

src/main/java/com/sillim/recordit/member/service/MemberFollowService.java

@@ -7,7 +7,6 @@
 import com.sillim.recordit.pushalarm.dto.PushMessage;
 import com.sillim.recordit.pushalarm.service.AlarmService;
 import jakarta.persistence.OptimisticLockException;
-import java.io.IOException;
 import lombok.RequiredArgsConstructor;
 import org.hibernate.StaleObjectStateException;
 import org.springframework.orm.ObjectOptimisticLockingFailureException;
@@ -33,7 +32,7 @@ public class MemberFollowService {
 			},
 			maxAttempts = 15,
 			backoff = @Backoff(delay = 30))
-	public void follow(Long followerId, Long followedId) throws IOException {
+	public void follow(Long followerId, Long followedId) {
 		Member follower = memberQueryService.findByMemberId(followerId);
 		Member followed = memberQueryService.findByMemberId(followedId);
 

src/main/java/com/sillim/recordit/pushalarm/job/ScheduleAlarmJob.java

@@ -4,11 +4,8 @@
 import com.google.firebase.messaging.FirebaseMessagingException;
 import com.google.firebase.messaging.Message;
 import com.google.firebase.messaging.Notification;
-import com.sillim.recordit.global.exception.ErrorCode;
-import com.sillim.recordit.global.exception.common.ApplicationException;
 import com.sillim.recordit.pushalarm.dto.PushMessage;
 import com.sillim.recordit.pushalarm.service.AlarmService;
-import java.io.IOException;
 import java.util.List;
 import lombok.extern.slf4j.Slf4j;
 import org.quartz.Job;
@@ -50,11 +47,6 @@ public void execute(JobExecutionContext context) {
 					}
 				});
 
-		try {
-			alarmService.pushAlarm(
-					-1L, memberId, PushMessage.fromSchedule(scheduleId, title, body));
-		} catch (IOException e) {
-			throw new ApplicationException(ErrorCode.UNHANDLED_EXCEPTION, e.getMessage());
-		}
+		alarmService.pushAlarm(-1L, memberId, PushMessage.fromSchedule(scheduleId, title, body));
 	}
 }

src/main/java/com/sillim/recordit/pushalarm/service/AlarmService.java

@@ -3,7 +3,6 @@
 import com.sillim.recordit.pushalarm.domain.AlarmLog;
 import com.sillim.recordit.pushalarm.dto.PushMessage;
 import com.sillim.recordit.pushalarm.repository.AlarmLogRepository;
-import java.io.IOException;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -15,8 +14,7 @@ public class AlarmService {
 	private final SseEmitterManager sseEmitterManager;
 	private final AlarmLogRepository alarmLogRepository;
 
-	public boolean pushAlarm(Long senderId, Long receiverId, PushMessage message)
-			throws IOException {
+	public boolean pushAlarm(Long senderId, Long receiverId, PushMessage message) {
 		AlarmLog alarmLog =
 				alarmLogRepository.save(
 						AlarmLog.builder()

src/main/java/com/sillim/recordit/pushalarm/service/SseEmitterManager.java

@@ -10,10 +10,13 @@
 @Slf4j
 @Service
 public class SseEmitterManager {
+
+	private static final Long TIMEOUT = 60L * 60 * 1000;
+
 	private final ConcurrentHashMap<Long, SseEmitter> clients = new ConcurrentHashMap<>();
 
 	public SseEmitter subscribe(Long memberId) {
-		SseEmitter emitter = new SseEmitter(Long.MAX_VALUE);
+		SseEmitter emitter = new SseEmitter(TIMEOUT);
 		clients.put(memberId, emitter);
 
 		emitter.onCompletion(() -> clients.remove(memberId));
@@ -24,12 +27,18 @@ public SseEmitter subscribe(Long memberId) {
 		return emitter;
 	}
 
-	public boolean sendToClient(Long memberId, PushMessage message) throws IOException {
+	public boolean sendToClient(Long memberId, PushMessage message) {
 		SseEmitter emitter = clients.get(memberId);
 
 		if (emitter != null) {
-			emitter.send(SseEmitter.event().name(message.type().name()).data(message));
-			return true;
+			try {
+				emitter.send(SseEmitter.event().name(message.type().name()).data(message));
+				return true;
+			} catch (IOException exception) {
+				clients.remove(memberId);
+				emitter.completeWithError(exception);
+				return false;
+			}
 		}
 		return false;
 	}

src/test/java/com/sillim/recordit/pushalarm/service/SseEmitterManagerTest.java

@@ -4,7 +4,6 @@
 
 import com.sillim.recordit.pushalarm.dto.AlarmType;
 import com.sillim.recordit.pushalarm.dto.PushMessage;
-import java.io.IOException;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
 
@@ -14,7 +13,7 @@ class SseEmitterManagerTest {
 
 	@Test
 	@DisplayName("sseEmitter로 client에게 message를 보낼 수 있다.")
-	void sendToClient() throws IOException {
+	void sendToClient() {
 		long memberId = 1L;
 		sseEmitterManager.subscribe(memberId);
 
@@ -27,7 +26,7 @@ void sendToClient() throws IOException {
 
 	@Test
 	@DisplayName("subscribe한 client가 없으면 message를 보낼 수 없다.")
-	void cantSendToClientIfNotExistsClientSubscribeSseEmitter() throws IOException {
+	void cantSendToClientIfNotExistsClientSubscribeSseEmitter() {
 		long memberId = 1L;
 
 		boolean result =