More than likely the port is already bound.. shut the server down and look for the PortNumber you are looking for- netstat -a | grep NameOfPortYouAreAdvertisingOn
M- ********************************************************************* This email message and any files transmitted with it contain confidential information intended only for the person(s) to whom this email message is addressed. If you have received this email message in error, please notify the sender immediately by telephone or email and destroy the original message without making a copy. Thank you. ----- Original Message ----- From: <[EMAIL PROTECTED]> To: <users@tomcat.apache.org> Sent: Wednesday, June 14, 2006 2:18 PM Subject: tomcat exception Our tomcat server has 4 workers. My application sends out email to different users. After it sends out email I see following thing in Catalina.out 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Jun 14, 2006 2:01:01 PM org.apache.tomcat.util.threads.ThreadPool$ControlRunnable run SEVERE: Caught exception (java.lang.NullPointerException) executing [EMAIL PROTECTED], terminating thread .......... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | ................ Any help is appreciated. Regards