在Tomcat Eclipse Oxygen上运行Java Gradle应用时，如何解决以下错误？

Question

在Tomcat Eclipse Oxygen上运行Java Gradle应用程序时，如何解决以下错误？

// org.apache.catalina.startup.ClassLoaderFactory validateFile 
WARNING: Problem with directory [D:\eclipse-jee-oxygen-2-win32-x86_64\eclipse\lib], exists: [false], isDirectory: [false], 
canRead: [false] 
java.lang.ClassNotFoundException: 
org.apache.catalina.startup.Catalina
    at java.net.URLClassLoader.findClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at org.apache.catalina.startup.Bootstrap.init(Bootstrap.java:208)
    at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:398)//