fix: Parameter logging fix

mens-core/src/main/java/kr/xit/core/spring/filter/ReadableRequestWrapper.java

@@ -12,12 +12,12 @@ import java.util.HashMap;
 import java.util.Iterator;
 import java.util.Map;
 import java.util.stream.Collectors;
-
 import javax.servlet.ReadListener;
 import javax.servlet.ServletInputStream;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletRequestWrapper;
-
+import kr.xit.core.support.utils.Checks;
+import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.io.IOUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.json.simple.JSONArray;
@@ -25,10 +25,6 @@ import org.json.simple.JSONObject;
 import org.json.simple.parser.JSONParser;
 import org.json.simple.parser.ParseException;
 import org.springframework.http.MediaType;
-import org.springframework.web.filter.OncePerRequestFilter;
-
-import kr.xit.core.support.utils.JsonUtils;
-import lombok.extern.slf4j.Slf4j;
 
 /**
  * <pre>
@@ -98,7 +94,11 @@ public class ReadableRequestWrapper extends HttpServletRequestWrapper {
         Iterator iterator = jsonObject.keySet().iterator();
         while (iterator.hasNext()) {
             String key = (String)iterator.next();
-            setParameter(key, jsonObject.get(key).toString().replace("\"", "\\\""));
+            if(Checks.isNotEmpty(jsonObject.get(key))) {
+                setParameter(key, jsonObject.get(key).toString().replace("\"", "\\\""));
+            }else{
+                setParameter(key, jsonObject.get(key) == null? null:StringUtils.EMPTY);
+            }
         }
     }