tcp connection failure
Posted on 2008-10-04
I just recently have experience a problem with two applications that interface with each other. I have a call accounting system that interfaces with a property management system (call accounting passes phone charges to pms to charge on hotel bill). This works off of a TCP connection. All of a sudden (really after multiple updates that were installed at one time). the communication between the two systems have failed. After a long support three way call with both vendors, nothing was resolved except for the possiblitiy of a communication error. I do not know too much about tcp port connections, but there is multiple ports trying to connect from cas to the assigned port on the pms system, 5011. The listing in netstat on call accounting show a long list of TIME_WAIT to the pms 5011 port ending in a FIN_WAIT_2 entry. ON the PMS side, the netstat shows the 5011 as LISTENING.
Could a problem in tcp communication be my problem? How can I troubleshoot this or try to reset the connection. I have firewall on the xp machine (call accounting) off and the 2000 server which is the pms i believe has no firewall set.
very confused right now any info would help