Disposed Component error

[iyy]

Hi,   Our web server is Tomcat 3.3.1.   Our cocoon (2.1 dev) site connects to Ms Sql server using Microsoft jars, on local machine(Tomcat 4.0.2) we never get DISPOSED COMPONENT ERROR , but on web , we get that error many times.   I have searched for a solution .. but could not find any.   Any help are welcome..   Thanks in advance..   From, iyyappan   Exact Messeage is as follows:   org.apache.cocoon.ProcessingException: Failed to execute pipeline.: org.apache.cocoon.ProcessingException: Exception in ServerPagesGenerator.generate(): java.lang.RuntimeException: Could not get the datasource java.lang.IllegalStateException: You cannot select a Component from a disposed ComponentSelector