title: getting exception java.lang.ClassNotFoundException: org.apache.catalina.startup.Bootstrap while starting tomcat
body: <p>I am trying to start tomcat from command prompt getting below error</p>
  
  <p>C:\Program Files\Apache Software Foundation\Tomcat 7.0\bin>java org.apache.catal
  ina.startup.Bootstrap</p>
  
  <blockquote>
    <p>Exception in thread "main" java.lang.NoClassDefFoundError:
    org/apache/catalina/s tartup/Bootstrap</p>
    
    <p>Caused by: java.lang.ClassNotFoundException:
       org.apache.catalina.startup.Bootstrap</p>
    
    <p>at java.net.URLClassLoader$1.run(URLClassLoader.java:202)</p>
    
    <p>at java.security.AccessController.doPrivileged(Native Method)
       at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
       at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
       at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
       at java.lang.ClassLoader.loadClass(ClassLoader.java:248) Could not find the main class: org.apache.catalina.startup.Bootstrap. 
    Program window</p>
  </blockquote>
  
  <p>Please suggest how to resolve this.</p>
  
  <p>Thanks.</p>