RestTemplateConfig 수정, 추론실행 수정

src/main/java/com/kamco/cd/kamcoback/config/resttemplate/RestTemplateConfig.java

@@ -1,11 +1,13 @@
 package com.kamco.cd.kamcoback.config.resttemplate;
 
+import java.nio.charset.StandardCharsets;
 import lombok.extern.log4j.Log4j2;
 import org.springframework.boot.web.client.RestTemplateBuilder;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.http.client.BufferingClientHttpRequestFactory;
 import org.springframework.http.client.SimpleClientHttpRequestFactory;
+import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
 import org.springframework.web.client.RestTemplate;
 
 @Log4j2
@@ -18,8 +20,12 @@ public class RestTemplateConfig {
     baseFactory.setConnectTimeout(2000);
     baseFactory.setReadTimeout(3000);
 
+    MappingJackson2HttpMessageConverter jsonConverter = new MappingJackson2HttpMessageConverter();
+    jsonConverter.setDefaultCharset(StandardCharsets.UTF_8);
+
     return builder
         .requestFactory(() -> new BufferingClientHttpRequestFactory(baseFactory))
+        .messageConverters(jsonConverter)
         .additionalInterceptors(new RetryInterceptor())
         .build();
   }

src/main/java/com/kamco/cd/kamcoback/config/resttemplate/RetryInterceptor.java

@@ -1,12 +1,15 @@
 package com.kamco.cd.kamcoback.config.resttemplate;
 
 import java.io.IOException;
+import java.nio.charset.StandardCharsets;
 import java.util.concurrent.TimeUnit;
+import lombok.extern.log4j.Log4j2;
 import org.springframework.http.HttpRequest;
 import org.springframework.http.client.ClientHttpRequestExecution;
 import org.springframework.http.client.ClientHttpRequestInterceptor;
 import org.springframework.http.client.ClientHttpResponse;
 
+@Log4j2
 public class RetryInterceptor implements ClientHttpRequestInterceptor {
 
   private static final int MAX_RETRY = 3;
@@ -20,21 +23,25 @@ public class RetryInterceptor implements ClientHttpRequestInterceptor {
 
     for (int attempt = 1; attempt <= MAX_RETRY; attempt++) {
       try {
-        // HTTP 응답을 받으면(2xx/4xx/5xx 포함) 그대로 반환
-        return execution.execute(request, body);
+        log.info("[WIRE-REQ] {} {}", request.getMethod(), request.getURI());
+        log.info("[WIRE-REQ-HEADERS] {}", request.getHeaders());
+        log.info("[WIRE-REQ-BODY] {}", new String(body, StandardCharsets.UTF_8));
+
+        ClientHttpResponse response = execution.execute(request, body);
+
+        log.info("[WIRE-RES-STATUS] {}", response.getStatusCode());
+        return response;
 
       } catch (IOException e) {
-        // 네트워크/타임아웃 등 I/O 예외만 재시도
         lastException = e;
+        log.error("[WIRE-IO-ERR] attempt={} msg={}", attempt, e.getMessage(), e);
       }
 
-      // 마지막 시도가 아니면 대기
       if (attempt < MAX_RETRY) {
         sleep();
       }
     }
 
-    //  마지막 예외를 그대로 던져서 원인이 로그에 남게 함
     throw lastException;
   }