diff --git a/src/main/resources/weblogic.xml b/src/main/resources/weblogic.xml
index 3b5f34d..b0a2b15 100644
--- a/src/main/resources/weblogic.xml
+++ b/src/main/resources/weblogic.xml
@@ -17,6 +17,17 @@
                  클래스 일부(Strings 등)는 앱 로더·나머지(CharSequenceUtils 등)는 WebLogic 로더에서 오는
                  split-package 상태가 되어 IllegalAccessError 발생 → 앱 버전 우선 -->
             <package-name>org.apache.commons.lang3.*</package-name>
+            <!-- 아래 4개는 oracle_common/modules/thirdparty jar 실물 확인(2026-08-27) 후 선제 등록.
+                 앱 런타임 의존성(gradle dependencies)과 버전이 달라 동일한 split-package
+                 IllegalAccessError/NoSuchMethodError 위험이 있음:
+                   jackson       앱 2.18.10 / WebLogic 2.17.0  (모든 JSON 응답에 관여 — 영향 큼)
+                   classmate     앱 1.5.1   / WebLogic 1.6.0   (hibernate-validator)
+                   jboss-logging 앱 3.4.3.Final / WebLogic 3.5.3.Final (hibernate)
+                   guava         앱 32.1.3-android / WebLogic 33.1.0-jre (flavor도 다름) -->
+            <package-name>com.fasterxml.jackson.*</package-name>
+            <package-name>com.fasterxml.classmate.*</package-name>
+            <package-name>org.jboss.logging.*</package-name>
+            <package-name>com.google.common.*</package-name>
         </prefer-application-packages>
 <!--        <prefer-web-inf-classes>true</prefer-web-inf-classes>-->
     </container-descriptor>