Miriam Pena wrote:
Hi,
I have an application running in Apache Tomcat 6.0.18 server (Windows
2003 Service Pack 2).
The application has both incoming HTTP connections and periodically
connects to another application
over TCP.
After about 30 hours of runtime, I see the following problem when the
application tries
to open a TCP socket:
java.net.SocketException: No buffer space available (maximum
connections reached?): connect
...
* Restarting the Tomcat server does not help (still get no buffer
space available).
* To resolve the problem I have to restart windows.
Going strictly by what you indicate above, and believing it word by
word, I would have to say that the problem is
- not in Tomcat (since restarting it does not help)
- in something else (since restarting Windows does help)
What is a bit more puzzling, is
* The server has only about 6-8 simultaneous UDP connections and 2-3
TCP connections.
What makes you say that ?
(But then, Java is telling you that it has *no buffer space available*,
which may be that you are running out of memory somewhere, not
necessarily out of connections)
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