Too Many files, Socket Problems HELP!!

[Erick Todd <er...@coloradosprings.com>]

I am having a problem where too many sockets connections are opened and
it stops tomcat from serving.

So I have a couple of excerpts, from the mod_jk log:

[Wed Oct 02 09:11:57 2002]  [jk_ajp_common.c (1028)]: Error reading
reply
[Wed Oct 02 09:11:57 2002]  [jk_ajp_common.c (1165)]: In
jk_endpoint_t::service, ajp_get_reply failed in send loop 1
[Wed Oct 02 09:11:57 2002]  [jk_connect.c (162)]: jk_open_socket,
connect() failed errno = 111
[Wed Oct 02 09:11:57 2002]  [jk_ajp_common.c (613)]: In
jk_endpoint_t::ajp_connect_to_endpoint, failed errno = 111
[Wed Oct 02 09:11:57 2002]  [jk_ajp_common.c (859)]: Error connecting to
the Tomcat process.
[Wed Oct 02 09:11:57 2002]  [jk_ajp_common.c (1168)]: In
jk_endpoint_t::service, ajp_send_request failed in send loop 2

Then in the catalina log, I get a too many files open Socket exception.

So how do I rectify this.  I know that the system is opening more the
1024 files (because that is the limit on my redhat 7.0 system).

How come they are not getting de-allocated??  I don't think I have that
much concurrency.  Maybe I do.  Anyway, ideas to fix it??  I went
through all the java code and tried to do explicit closes of all db
handles, files, etc.  Still causing it.

Now I have about 14 virtual hosts, but I just use one ajp13 connection. 
If I set up each virtual host there own worker would that help?  I
assume the problem is too many files per process, so do I need multiple
JVM's.  Lastly should I bump up the number of files for the system.  I
hate to do that.  Is there any way to get the GC to pick up faster, or
is that not my problem.

Thanks in advance,

-Erick



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