feat: 예외 처리용 핸들러

build.gradle

@@ -29,7 +29,6 @@ dependencies {
     compileOnly 'org.projectlombok:lombok'
     runtimeOnly 'org.mariadb.jdbc:mariadb-java-client'
     runtimeOnly 'com.mysql:mysql-connector-j'
-    implementation 'org.pacesys:openstack4j:3.1.0'
     annotationProcessor 'org.projectlombok:lombok'
     testImplementation 'org.springframework.boot:spring-boot-starter-test'
     testRuntimeOnly 'org.junit.platform:junit-platform-launcher'