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What does the following lines from mod_jserv.log really mean:
[18/06/2000 22:33:02:504] (EMERGENCY) ajp12: can not connect to host
127.0.0.1:8007
[18/06/2000 22:33:02:504] (EMERGENCY) ajp12: connection fail
[18/06/2000 22:33:02:504] (ERROR) an error returned handling request via
protocol "ajpv12"
This problem occurs, when I run a performance test, where I try to
connect in a large loop from different machines to my own servlet, which
includes opening a simple socket connection to another propriatary
server and a JDBC connection. Note, that this problem does not arise
under low load, but only if I bombard apache with requests from
concurrent machines. The servlet itself manages a pool of connections,
so that I'm sure that it does not surpasses the limit of socket
connections.
I'm sure that the classpathes and pathes for this servlet are correctly
configured, since under low load the servlet works fine.
Is there a way to get more meaningful information from JServ than the
log lines above?
Configuration:
- Apache 1.3 on Solaris 2.5.1, dual processor SUN Ultra-60
- Jserv 1.1.1 with JDK 1.1.6 (native threads), same machine as Apache
- 10 Clients from different machines in the same LAN that perform http
requests to my servlet in a large loop.
Thanks,
- Jakob
--
Dr. Jakob Hummes, CTO
Castify Networks -- 2229, route des Cretes -- B.P. 193
06904 Sophia Antipolis Cedex -- FRANCE
Tel: (+33) (0)6 19 02 24 83 Fax: (+33) (0)4 93 00 26 27
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