인프런 커뮤니티 질문&답변

안녕하세요.

스프링부트2, 스프링 5로 공부중입니다.

강의에서 pom.xml에서 exclusions를 추가하여 log4j2로 변경하였는데 아래 처럼 에러가 나더라구요..

검색을 해보며 찾아보니

https://www.baeldung.com/slf4j-classpath-multiple-bindings

스프링에서 이런식으로 하라고 하는것 같은데 마찬가지더라구요..

왜 이런 에러가 발생하는걸까요??

/Library/Java/JavaVirtualMachines/jdk1.8.0_202.jdk/Contents/Home/bin/java -XX:TieredStopAtLevel=1 -noverify -Dspring.output.ansi.enabled=always -Dcom.sun.management.jmxremote -Dspring.jmx.enabled=true -Dspring.liveBeansView.mbeanDomain -Dspring.application.admin.enabled=true "-javaagent:/Applications/IntelliJ IDEA.app/Contents/lib/idea_rt.jar=62538:/Applications/IntelliJ IDEA.app/Contents/bin" -Dfile.encoding=UTF-8 -classpath /Library/Java/JavaVirtualMachines/jdk1.8.0_202.jdk/Contents/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_202.jdk/Contents/Home/jre/lib/deploy.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_202.jdk/Contents/Home/jre/lib/ext/cldrdata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_202.jdk/Contents/Home/jre/lib/ext/dnsns.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_202.jdk/Contents/Home/jre/lib/ext/jaccess.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_202.jdk/Contents/Home/jre/lib/ext/jfxrt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_202.jdk/Contents/Home/jre/lib/ext/localedata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_202.jdk/Contents/Home/jre/lib/ext/nashorn.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_202.jdk/Contents/Home/jre/lib/ext/sunec.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_202.jdk/Contents/Home/jre/lib/ext/sunjce_provider.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_202.jdk/Contents/Home/jre/lib/ext/sunpkcs11.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_202.jdk/Contents/Home/jre/lib/ext/zipfs.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_202.jdk/Contents/Home/jre/lib/javaws.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_202.jdk/Contents/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_202.jdk/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_202.jdk/Contents/Home/jre/lib/jfxswt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_202.jdk/Contents/Home/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_202.jdk/Contents/Home/jre/lib/management-agent.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_202.jdk/Contents/Home/jre/lib/plugin.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_202.jdk/Contents/Home/jre/lib/resources.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_202.jdk/Contents/Home/jre/lib/rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_202.jdk/Contents/Home/lib/ant-javafx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_202.jdk/Contents/Home/lib/dt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_202.jdk/Contents/Home/lib/javafx-mx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_202.jdk/Contents/Home/lib/jconsole.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_202.jdk/Contents/Home/lib/packager.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_202.jdk/Contents/Home/lib/sa-jdi.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_202.jdk/Contents/Home/lib/tools.jar:/Users/zidol/Desktop/sts_workspace/springinit/target/classes:/Users/zidol/.m2/repository/org/springframework/boot/spring-boot-starter-web/2.1.6.RELEASE/spring-boot-starter-web-2.1.6.RELEASE.jar:/Users/zidol/.m2/repository/org/springframework/boot/spring-boot-starter-json/2.1.6.RELEASE/spring-boot-starter-json-2.1.6.RELEASE.jar:/Users/zidol/.m2/repository/com/fasterxml/jackson/core/jackson-databind/2.9.9/jackson-databind-2.9.9.jar:/Users/zidol/.m2/repository/com/fasterxml/jackson/core/jackson-annotations/2.9.0/jackson-annotations-2.9.0.jar:/Users/zidol/.m2/repository/com/fasterxml/jackson/core/jackson-core/2.9.9/jackson-core-2.9.9.jar:/Users/zidol/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jdk8/2.9.9/jackson-datatype-jdk8-2.9.9.jar:/Users/zidol/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jsr310/2.9.9/jackson-datatype-jsr310-2.9.9.jar:/Users/zidol/.m2/repository/com/fasterxml/jackson/module/jackson-module-parameter-names/2.9.9/jackson-module-parameter-names-2.9.9.jar:/Users/zidol/.m2/repository/org/springframework/boot/spring-boot-starter-tomcat/2.1.6.RELEASE/spring-boot-starter-tomcat-2.1.6.RELEASE.jar:/Users/zidol/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/9.0.21/tomcat-embed-core-9.0.21.jar:/Users/zidol/.m2/repository/org/apache/tomcat/embed/tomcat-embed-el/9.0.21/tomcat-embed-el-9.0.21.jar:/Users/zidol/.m2/repository/org/apache/tomcat/embed/tomcat-embed-websocket/9.0.21/tomcat-embed-websocket-9.0.21.jar:/Users/zidol/.m2/repository/org/hibernate/validator/hibernate-validator/6.0.17.Final/hibernate-validator-6.0.17.Final.jar:/Users/zidol/.m2/repository/javax/validation/validation-api/2.0.1.Final/validation-api-2.0.1.Final.jar:/Users/zidol/.m2/repository/org/jboss/logging/jboss-logging/3.3.2.Final/jboss-logging-3.3.2.Final.jar:/Users/zidol/.m2/repository/com/fasterxml/classmate/1.4.0/classmate-1.4.0.jar:/Users/zidol/.m2/repository/org/springframework/spring-web/5.1.8.RELEASE/spring-web-5.1.8.RELEASE.jar:/Users/zidol/.m2/repository/org/springframework/spring-beans/5.1.8.RELEASE/spring-beans-5.1.8.RELEASE.jar:/Users/zidol/.m2/repository/org/springframework/spring-webmvc/5.1.8.RELEASE/spring-webmvc-5.1.8.RELEASE.jar:/Users/zidol/.m2/repository/org/springframework/spring-aop/5.1.8.RELEASE/spring-aop-5.1.8.RELEASE.jar:/Users/zidol/.m2/repository/org/springframework/spring-context/5.1.8.RELEASE/spring-context-5.1.8.RELEASE.jar:/Users/zidol/.m2/repository/org/springframework/spring-expression/5.1.8.RELEASE/spring-expression-5.1.8.RELEASE.jar:/Users/zidol/.m2/repository/org/springframework/boot/spring-boot-starter/2.1.6.RELEASE/spring-boot-starter-2.1.6.RELEASE.jar:/Users/zidol/.m2/repository/org/springframework/boot/spring-boot/2.1.6.RELEASE/spring-boot-2.1.6.RELEASE.jar:/Users/zidol/.m2/repository/org/springframework/boot/spring-boot-autoconfigure/2.1.6.RELEASE/spring-boot-autoconfigure-2.1.6.RELEASE.jar:/Users/zidol/.m2/repository/javax/annotation/javax.annotation-api/1.3.2/javax.annotation-api-1.3.2.jar:/Users/zidol/.m2/repository/org/springframework/spring-core/5.1.8.RELEASE/spring-core-5.1.8.RELEASE.jar:/Users/zidol/.m2/repository/org/springframework/spring-jcl/5.1.8.RELEASE/spring-jcl-5.1.8.RELEASE.jar:/Users/zidol/.m2/repository/org/yaml/snakeyaml/1.23/snakeyaml-1.23.jar:/Users/zidol/.m2/repository/org/springframework/boot/spring-boot-starter-log4j2/2.1.6.RELEASE/spring-boot-starter-log4j2-2.1.6.RELEASE.jar:/Users/zidol/.m2/repository/org/apache/logging/log4j/log4j-slf4j-impl/2.11.2/log4j-slf4j-impl-2.11.2.jar:/Users/zidol/.m2/repository/org/slf4j/slf4j-api/1.7.26/slf4j-api-1.7.26.jar:/Users/zidol/.m2/repository/org/apache/logging/log4j/log4j-api/2.11.2/log4j-api-2.11.2.jar:/Users/zidol/.m2/repository/org/apache/logging/log4j/log4j-core/2.11.2/log4j-core-2.11.2.jar:/Users/zidol/.m2/repository/org/apache/logging/log4j/log4j-jul/2.11.2/log4j-jul-2.11.2.jar:/Users/zidol/.m2/repository/org/slf4j/jul-to-slf4j/1.7.26/jul-to-slf4j-1.7.26.jar:/Users/zidol/.m2/repository/org/springframework/boot/spring-boot-configuration-processor/2.1.6.RELEASE/spring-boot-configuration-processor-2.1.6.RELEASE.jar:/Users/zidol/.m2/repository/org/springframework/boot/spring-boot-starter-logging/2.1.6.RELEASE/spring-boot-starter-logging-2.1.6.RELEASE.jar:/Users/zidol/.m2/repository/ch/qos/logback/logback-classic/1.2.3/logback-classic-1.2.3.jar:/Users/zidol/.m2/repository/ch/qos/logback/logback-core/1.2.3/logback-core-1.2.3.jar:/Users/zidol/.m2/repository/org/apache/logging/log4j/log4j-to-slf4j/2.11.2/log4j-to-slf4j-2.11.2.jar me.zidol.springinit.SpringinitApplication

SLF4J: Class path contains multiple SLF4J bindings.

SLF4J: Found binding in [jar:file:/Users/zidol/.m2/repository/org/apache/logging/log4j/log4j-slf4j-impl/2.11.2/log4j-slf4j-impl-2.11.2.jar!/org/slf4j/impl/StaticLoggerBinder.class]

SLF4J: Found binding in [jar:file:/Users/zidol/.m2/repository/ch/qos/logback/logback-classic/1.2.3/logback-classic-1.2.3.jar!/org/slf4j/impl/StaticLoggerBinder.class]

SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.

SLF4J: Actual binding is of type [org.apache.logging.slf4j.Log4jLoggerFactory]

Exception in thread "main" java.lang.StackOverflowError