diff --git a/app/kac-app/build.gradle b/app/kac-app/build.gradle
index b6a0ad0..6573ad8 100644
--- a/app/kac-app/build.gradle
+++ b/app/kac-app/build.gradle
@@ -14,7 +14,7 @@ dependencies {
     annotationProcessor "jakarta.annotation:jakarta.annotation-api"
     annotationProcessor "jakarta.persistence:jakarta.persistence-api"
 
-
+    implementation project(":common-core")
     implementation project(":web-api-com")
     // TDOO: 제거...
     compileOnly project(":data-com")
diff --git a/app/kac-app/src/main/java/kr/co/palnet/kac/app/core/exception/ServerExceptionHandler.java b/app/kac-app/src/main/java/kr/co/palnet/kac/app/core/exception/ServerExceptionHandler.java
index fa55d32..68aee78 100644
--- a/app/kac-app/src/main/java/kr/co/palnet/kac/app/core/exception/ServerExceptionHandler.java
+++ b/app/kac-app/src/main/java/kr/co/palnet/kac/app/core/exception/ServerExceptionHandler.java
@@ -1,6 +1,9 @@
 package kr.co.palnet.kac.app.core.exception;
 
-import kr.co.palnet.kac.app.core.exception.model.BaseErrorModel;
+
+import kr.co.palnet.kac.core.exception.AppException;
+import kr.co.palnet.kac.core.exception.ExceptionCode;
+import kr.co.palnet.kac.core.exception.model.BaseErrorModel;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.bind.annotation.RestControllerAdvice;
diff --git a/common/core/build.gradle b/common/core/build.gradle
index 6875d3b..2671505 100644
--- a/common/core/build.gradle
+++ b/common/core/build.gradle
@@ -1,6 +1,6 @@
 
 
 dependencies {
-
+    implementation "$boot:spring-boot-starter-web"
 }
 
diff --git a/app/kac-app/src/main/java/kr/co/palnet/kac/app/core/exception/AppException.java b/common/core/src/main/java/kr/co/palnet/kac/core/exception/AppException.java
similarity index 98%
rename from app/kac-app/src/main/java/kr/co/palnet/kac/app/core/exception/AppException.java
rename to common/core/src/main/java/kr/co/palnet/kac/core/exception/AppException.java
index 0509f91..6a65f5c 100644
--- a/app/kac-app/src/main/java/kr/co/palnet/kac/app/core/exception/AppException.java
+++ b/common/core/src/main/java/kr/co/palnet/kac/core/exception/AppException.java
@@ -1,10 +1,9 @@
-package kr.co.palnet.kac.app.core.exception;
-
-import java.util.Locale;
+package kr.co.palnet.kac.core.exception;
 
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.context.MessageSource;
 
-import lombok.extern.slf4j.Slf4j;
+import java.util.Locale;
 
 @Slf4j
 public class AppException extends RuntimeException {
diff --git a/app/kac-app/src/main/java/kr/co/palnet/kac/app/core/exception/ExceptionCode.java b/common/core/src/main/java/kr/co/palnet/kac/core/exception/ExceptionCode.java
similarity index 97%
rename from app/kac-app/src/main/java/kr/co/palnet/kac/app/core/exception/ExceptionCode.java
rename to common/core/src/main/java/kr/co/palnet/kac/core/exception/ExceptionCode.java
index 2417bc2..1112755 100644
--- a/app/kac-app/src/main/java/kr/co/palnet/kac/app/core/exception/ExceptionCode.java
+++ b/common/core/src/main/java/kr/co/palnet/kac/core/exception/ExceptionCode.java
@@ -1,4 +1,4 @@
-package kr.co.palnet.kac.app.core.exception;
+package kr.co.palnet.kac.core.exception;
 
 
 public enum ExceptionCode {
diff --git a/app/kac-app/src/main/java/kr/co/palnet/kac/app/core/exception/Level.java b/common/core/src/main/java/kr/co/palnet/kac/core/exception/Level.java
similarity index 85%
rename from app/kac-app/src/main/java/kr/co/palnet/kac/app/core/exception/Level.java
rename to common/core/src/main/java/kr/co/palnet/kac/core/exception/Level.java
index cf3136c..e5ca16e 100644
--- a/app/kac-app/src/main/java/kr/co/palnet/kac/app/core/exception/Level.java
+++ b/common/core/src/main/java/kr/co/palnet/kac/core/exception/Level.java
@@ -1,4 +1,4 @@
-package kr.co.palnet.kac.app.core.exception;
+package kr.co.palnet.kac.core.exception;
 
 public enum Level {
     INFO(0), 
diff --git a/app/kac-app/src/main/java/kr/co/palnet/kac/app/core/exception/Source.java b/common/core/src/main/java/kr/co/palnet/kac/core/exception/Source.java
similarity index 50%
rename from app/kac-app/src/main/java/kr/co/palnet/kac/app/core/exception/Source.java
rename to common/core/src/main/java/kr/co/palnet/kac/core/exception/Source.java
index a3be3c8..bc48c63 100644
--- a/app/kac-app/src/main/java/kr/co/palnet/kac/app/core/exception/Source.java
+++ b/common/core/src/main/java/kr/co/palnet/kac/core/exception/Source.java
@@ -1,4 +1,4 @@
-package kr.co.palnet.kac.app.core.exception;
+package kr.co.palnet.kac.core.exception;
 
 public enum Source {
     SERVER,
diff --git a/app/kac-app/src/main/java/kr/co/palnet/kac/app/core/exception/model/BaseErrorModel.java b/common/core/src/main/java/kr/co/palnet/kac/core/exception/model/BaseErrorModel.java
similarity index 73%
rename from app/kac-app/src/main/java/kr/co/palnet/kac/app/core/exception/model/BaseErrorModel.java
rename to common/core/src/main/java/kr/co/palnet/kac/core/exception/model/BaseErrorModel.java
index a901580..6d1f7f4 100644
--- a/app/kac-app/src/main/java/kr/co/palnet/kac/app/core/exception/model/BaseErrorModel.java
+++ b/common/core/src/main/java/kr/co/palnet/kac/core/exception/model/BaseErrorModel.java
@@ -1,4 +1,4 @@
-package kr.co.palnet.kac.app.core.exception.model;
+package kr.co.palnet.kac.core.exception.model;
 
 import lombok.Data;
 
diff --git a/data/com/src/test/java/kr/co/palnet/kac/data/com/DataComApplicationTestApp.java b/data/com/src/test/java/kr/co/palnet/kac/data/com/DataComApplicationTestApp.java
index 205d5a4..958bf66 100644
--- a/data/com/src/test/java/kr/co/palnet/kac/data/com/DataComApplicationTestApp.java
+++ b/data/com/src/test/java/kr/co/palnet/kac/data/com/DataComApplicationTestApp.java
@@ -22,6 +22,7 @@ public class DataComApplicationTestApp {
             "kr.co.palnet.kac.data.com.domain"
     })
     public class Config {
+        
     }
 
 //    @Configuration
diff --git a/web/api-com/build.gradle b/web/api-com/build.gradle
index 6d3c4dc..5d30555 100644
--- a/web/api-com/build.gradle
+++ b/web/api-com/build.gradle
@@ -3,8 +3,10 @@
 dependencies {
     implementation("$boot:spring-boot-starter-web")
     implementation("org.springframework.data:spring-data-commons")
+    implementation project(path: ':common-core')
 
-	compileOnly 'org.springdoc:springdoc-openapi-starter-webmvc-ui:2.2.0'
+    compileOnly 'org.springdoc:springdoc-openapi-starter-webmvc-ui:2.2.0'
     implementation project(":data-com")
+    implementation project(":common-core")
 }
 
diff --git a/web/api-com/src/main/java/kr/co/palnet/kac/api/v1/com/code/controller/ComCodeController.java b/web/api-com/src/main/java/kr/co/palnet/kac/api/v1/com/code/controller/ComCodeController.java
index 20eff07..11b2411 100644
--- a/web/api-com/src/main/java/kr/co/palnet/kac/api/v1/com/code/controller/ComCodeController.java
+++ b/web/api-com/src/main/java/kr/co/palnet/kac/api/v1/com/code/controller/ComCodeController.java
@@ -2,8 +2,11 @@ package kr.co.palnet.kac.api.v1.com.code.controller;
 
 import java.util.List;
 
+import kr.co.palnet.kac.core.exception.AppException;
+import kr.co.palnet.kac.core.exception.ExceptionCode;
 import kr.co.palnet.kac.data.com.domain.ComCdBas;
 import kr.co.palnet.kac.data.com.domain.QComCdBas;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.GetMapping;
@@ -35,6 +38,7 @@ import lombok.RequiredArgsConstructor;
 @RequiredArgsConstructor
 @RequestMapping("/v1/com/code")
 @RestController
+@Slf4j
 public class ComCodeController {
 
     private final ComCodeService comCodeService;
@@ -44,6 +48,9 @@ public class ComCodeController {
     @GetMapping("/all")
     @Operation(summary = "전체 코드 조회", description = "전체 코드를 조회합니다.")
     public ResponseEntity<List<CodeGroupRS>> getAllGroup(SearchCodeAllRQ rq) {
+        log.warn("ㅇㅇ => {}", rq);
+        if(true) throw new AppException(ExceptionCode.DB_ERROR);
+
         List<CodeGroupRS> allCode = comCodeService.getAllGroup(rq);
         return ResponseEntity.ok(allCode);
     }
@@ -126,6 +133,9 @@ public class ComCodeController {
     public void deleteCode(
     		@Parameter(name="groupCd", description = "그룹 코드", in = ParameterIn.QUERY, example = "NEW_GROUP001") @RequestParam("groupCd") String groupCd,
     		@Parameter(name="cdId", description = "삭제할 코드 아이디", in = ParameterIn.QUERY, example = "NEW_CODE001") @RequestParam("cdId") String cdId) {
+
+
+
         comCodeService.deleteCode(groupCd, cdId);
     }