On 07.03.2017 03:42, satishkumar.krishnas...@cognizant.com wrote:
Hi - We are using Tomcat 8 and in our prod we have been facing no buffer error
for TCP / IP port, while we triage issue, we have found (through Resource
monitor) the Tomcat8.exe is having lots of IPv4 loopback as local address and
remote address. Do you have any hint of why this loop back happens ? as soon as
we start the server we are seeing almost 60+ loop back entries.
Hi.
On your (Windows) server, with Tomcat running, enter this command in a command
window :
netstat -aonb -p tcp
and then copy and paste the result here (eliminating irrelevant lines).
This will tell us more clearly what you are referring to.
You can also do the same on another tomcat server, and compare.
Note that if you have a front-end webserver in front of Tomcat (on the same host), such
things tend to establish a pool of connections between front-end and back-end, which is
maybe what you are seeing.
Similarly, if Tomcat applications communicate with some back-end database system (on the
same host), the database driver may also create a pool of connections.
The command above will tell you what connects to what, and that may already provide the
answer to your question.
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