Clear user session

[shyam]

Hi All,

I just moved my webapp from jrun to tomcat. I have a method which clears the
user session. The code snippet is

 Enumeration session_var = session.getAttributeNames();

     while(session_var.hasMoreElements())
     {
         String key=(String)session_var.nextElement();

I am getting an error here and the exception is

java.util.ConcurrentModificationException at
java.util.HashMap$HashIterator.nextEntry

How can I resolve this error.

Thanks a lot in advance
shyam



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