<分区>
这可能是一个简单的问题，但它困扰了我两天。因此，在本地 Tomcat 服务器 中部署我的应用程序时，我得到了 ClassNotFoundException。我从 Parent Project 获得了大部分 jar，并且 Maven Install 成功了。 StartupListsner 类存在于我尝试部署的应用程序中，但由于某种原因编译器无法找到它。我已经完成了清理项目、更新 Maven 项目、重新启动 IDE 和清理 tomcat 目录，但没有成功。有没有其他方法可以消除此错误？
堆栈跟踪:
SEVERE: Error configuring application listener of class mig.esign.admin.action.listener.StartupListener
java.lang.ClassNotFoundException: mig.esign.admin.action.listener.StartupListener
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1702)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1547)
at org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:532)
at org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:514)
at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:142)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4854)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5434)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
ERROR StatusLogger Log4j2 could not find a logging implementation. Please add log4j-core to the classpath. Using SimpleLogger to log to the console...
Jan 26, 2017 7:42:36 AM org.apache.catalina.core.StandardContext listenerStart
SEVERE: Skipped installing application listeners due to previous error(s)
Jan 26, 2017 7:42:36 AM org.apache.catalina.core.StandardContext startInternal
SEVERE: Error listenerStart
Jan 26, 2017 7:42:36 AM org.apache.catalina.core.StandardContext startInternal
SEVERE: Context [/ESignatureAdmin] startup failed due to previous errors
Jan 26, 2017 7:42:36 AM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler ["http-bio-8080"]
Jan 26, 2017 7:42:36 AM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler ["ajp-bio-8009"]
Jan 26, 2017 7:42:36 AM org.apache.catalina.startup.Catalina start
INFO: Server startup in 8765 ms