title: Apache tomcat 9.0 error while configuring with eclipse neon
body: <p>I have installed apache tomcat version 9.0 and while configuring it on eclipse neon i am getting following error:-</p>
  
  <pre><code>java.lang.NoClassDefFoundError: org/apache/tomcat/util/digester/Digester
      at org.apache.catalina.startup.Catalina.createStartDigester(Catalina.java:272)
      at org.apache.catalina.startup.Catalina.load(Catalina.java:514)
      at org.apache.catalina.startup.Catalina.load(Catalina.java:630)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
      at java.lang.reflect.Method.invoke(Unknown Source)
      at org.apache.catalina.startup.Bootstrap.load(Bootstrap.java:311)
      at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:494)
  
  Any idea what is the solution?
  </code></pre>