Class path contains multiple SLF4J bindings

Spring으로 개발을 하다 SLF4J: Class path contains multiple SLF4J bindings. 에러를 만나 해결 방법을 정리하였다. SLF4J: Class path contains multiple SLF4J bindings. SLF4J: Found binding in [jar:file:/C:/Users/hwchae/.m2/repository/org/slf4j/slf4j-log4j12/1.6.4/slf4j-log4j12-1.6.4.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: Found binding in [jar:file:/C:/Users/hwchae/.m2/repository/ecm/ecm/2.1.4/ecm-2.1.4.jar!/..