TNS:internal limit restriction exceeded

TNS:internal limit restriction exceeded

Post by Peder Sandhol » Fri, 29 Sep 2000 04:00:00



Hi,
I get this error:

12223, 00000, "TNS:internal limit restriction exceeded"
// *Cause: Too many TNS connections open simultaneously.
// *Action: Wait for connections to close and re-try.

Anybody knows what the reason can be?  (I am not using sql-net)

The problem came as some new websites were made on a NT-server. The
NT-server connects to the UNIX server (IBM AIX 4.2 (rs6000)) which has an
Oracle database in order to take out information. Each website use a
portnumber on the UNIX.. Is there any limitations on portnumbers? Or is it a
memory problem, or???

 
 
 

1. setrlimit incorrectly allows hard limits to exceed soft limits

Hi,

In 2.4.19 (also 2.5.46) setrlimit code only ever makes a comparison to
check the old soft limit with the new soft limit and the new hard
limit with the old hard limit.  There is never a check to ensure the
new soft limit never exceeds the new hard limit.

Just try "ulimit -H -m 10000" for memory limits that were not
previously set.  You end up with (hard limit = 10000) < (soft limit =
unlimited).

Fix is trivial.

--- sys.c       Sat Aug  3 10:39:46 2002

        if (resource >= RLIM_NLIMITS)
                return -EINVAL;
+       if (new_rlim.rlim_cur > new_rlim.rlim_max)
+               return -EINVAL;
        if(copy_from_user(&new_rlim, rlim, sizeof(*rlim)))
                return -EFAULT;
        old_rlim = current->rlim + resource;

--
                        Kingsley
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