title: Problems in ClassLoaders for Long running Tomcat process
body: <p>We have hosted our web applications on Tomcat 6.0.18 and experienced the following problem:</p>
  
  <p>There are two web apps WebApp1 and WebApp2, both are same system but of different versions. </p>
  
  <p>Now the problem is when the tomcat has been running for a week or longer time then sometimes system gives NoClassDefFoundError ! also we got some strange issue where the Class Loader of WebApp1 has loaded the class present in the jar of WebApp2 ! The same jar is also present in WebApp1 but the versions are different.</p>
  
  <p>When we restarted the Tomcat everything started working fine ! Our JRE is 1.5.10</p>
  
  <p>Please let me know if you have encountered such issues. </p>
  
  <p>Regards,
  Jatan Porecha</p>