ClassNotFoundException

java.lang.ClassNotFoundException: org.springframework.security.web.csrf.DefaultCsrfToken at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1360) at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1182) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at org.apache.catalina.util.CustomObjectInputStream.resolveClass(CustomObjectInputStream.java:160) at java.io.ObjectInputStream.readNonProxyDesc(Unknown Source) at java.io.ObjectInputStream.readClassDesc(Unknown Source) at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source) at java.io.ObjectInputStream.readObject0(Unknown Source) at java.io.ObjectInputStream.readObject(Unknown Source) at org.apache.catalina.session.StandardSession.doReadObject(StandardSession.java:1581) at org.apache.catalina.session.StandardSession.readObjectData(StandardSession.java:1057) at org.apache.catalina.session.StandardManager.doLoad(StandardManager.java:217) at org.apache.catalina.session.StandardManager.load(StandardManager.java:161) at org.apache.catalina.session.StandardManager.startInternal(StandardManager.java:351) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5182) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1412) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1402) at java.util.concurrent.FutureTask.run(Unknown Source) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source)

 

① 톰캣 clean > 해결 X

② 프로젝트 clean > 해결