当我尝试在Spring-Tool-Suite 2.9.1中部署spring项目时出现此错误。
7 Apr, 2012 5:09:45 PM org.apache.catalina.startup.ClassLoaderFactory validateFile
WARNING: Problem with directory [D:\IDE\springsource\sts-2.9.1.RELEASE\lib], exists: [false], isDirectory: [false], canRead: [false]
7 Apr, 2012 5:09:45 PM org.apache.catalina.startup.ClassLoaderFactory validateFile
WARNING: Problem with directory [D:\IDE\springsource\sts-2.9.1.RELEASE\lib], exists: [false], isDirectory: [false], canRead: [false]
7 Apr, 2012 5:09:45 PM org.apache.catalina.startup.ClassLoaderFactory validateFile
WARNING: Problem with directory [D:\IDE\springsource\sts-2.9.1.RELEASE\lib], exists: [false], isDirectory: [false], canRead: [false]
7 Apr, 2012 5:09:45 PM org.apache.catalina.startup.ClassLoaderFactory validateFile
WARNING: Problem with directory [D:\IDE\springsource\sts-2.9.1.RELEASE\lib], exists: [false], isDirectory: [false], canRead: [false]
java.lang.ClassNotFoundException: org.apache.catalina.startup.Catalina
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
at org.apache.catalina.startup.Bootstrap.init(Bootstrap.java:236)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:425)
有人可以告诉我这是什么原因吗？我该如何解决这个错误？