title: Tomcat showing this error "This is very likely to create a memory leak". How to resolve this issue?
body: <p>I have created a web application in Apache Cocoon.This website is running properly but after every 3-4 days, it stops responding. It doesn't run until and unless, we restart the tomcat service. In the catalina.2011-05-09.log file, it shows following error:-</p>
  
  <p>"May 9, 2011 3:17:34 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
  SEVERE: The web application [/webresources] is still processing a request that has yet to finish. This is very likely to create a memory leak. You can control the time allowed for requests to finish by using the unloadDelay attribute of the standard Context implementation."</p>
  
  <p>I am not been able to understand the cause of this problem. Can someone suggest me how to resolve this issue?</p>