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IDS Forum

Re: NETTYPE maximum support to user connections ?

Posted By: Art Kagel
Date: Wednesday, 20 June 2012, at 7:25 a.m.

In Response To: Re: NETTYPE maximum support to user connections ? (ANEES AHMAD)

> finderr -25571

-25571 Exceeded the maximum number of user threads.

Check the value of the USERTHREADS parameter in the ONCONFIG
configuration file and the value of the userthreads field of the
NETTYPE parameter.

-25571 Cannot create a user thread.

The database server cannot create or spawn a user thread for a client
that is trying to establish a connection.

Probable causes of the error and corrective actions include:

* The database server cannot allocate system resources for the

user thread at the moment. The client can retry the connection

later. When other clients finish their work, some system resources

should become available again. Check to see if the user is the right

person to execute the utility or the program. For information about

who can use what utilities, refer to the Trusted Facility Manual or

your Administrator's Guide.

* A user who is not allowed to use a particular client application

to connect to the database server tried to use the utility

to connect. Client applications include SQL APIs, DB-Access,

and all the database server utilities.

* A request for a Global Language Support (GLS) structure failed.

Refer to the corrective actions for errors -23100, -23101, -23102,

-23104, -23108, and -23110 for possible solutions.

* A user attempting to connect to the database server does not

belong to the database server user group, as defined in

$INFORMIXDIR/dbssodir/seccfg on a UNIX system or in the registry

on a Windows system. Make sure that the user belongs to a user

group that can access the database server. For more information

about DBSSO users, see the Trusted Facility Manual.

Art

Art S. Kagel
Advanced DataTools (www.advancedatatools.com)
Blog: http://informix-myview.blogspot.com/

Disclaimer: Please keep in mind that my own opinions are my own opinions
and do not reflect on my employer, Advanced DataTools, the IIUG, nor any
other organization with which I am associated either explicitly,
implicitly, or by inference. Neither do those opinions reflect those of
other individuals affiliated with any entity with which I am affiliated nor
those of the entities themselves.

On Wed, Jun 20, 2012 at 4:48 AM, ANEES AHMAD <aanees@i2cinc.com> wrote:

> Thanks for your valuable response.
>
> Actually, we were getting the following exceptions in online.log of our IDS
> instance. All applications were unable to connect to db using TCP port.
> Also we were unable to connect to db using net service from secondary or
> even
> from using its own server/host.
>
> The NETTYPE and VPCLASS settings are as follows
>
> NETTYPE ipcshm,8,50,CPU
> NETTYPE tlitcp,8,50,NET
> VPCLASS cpu,num=8,aff=17-21,noage
>
> 23:35:01 Logical Log 79075 - Backup Started
> 2012-06-18 23:35:02 Servername:ids_rss3_13
>
> <<IBM Informix Dynamic Server>>> Logical Log 79075 Complete, timestamp:
> 0x4bda330d.
> 23:35:02 Logical Log 79075 Complete, timestamp: 0x4bda330d.
> 23:35:02 Logical Log 79075 - Backup Completed
> 23:36:27 Checkpoint Completed: duration was 0 seconds.
> 23:36:27 Mon Jun 18 - loguniq 79076, logpos 0x264018, timestamp: 0x4bdaa042
> Interval: 351250
>
> 23:36:27 Maximum server connections 1406
> 23:36:27 Checkpoint Statistics - Avg. Txn Block Time 0.001, # Txns blocked
> 0,
> Plog used 517, Llog used 2744
>
> 23:41:23 listener-thread: err = -25571: oserr = 0: errstr = : Cannot
> create a
> user thread.
>
> 23:41:27 Checkpoint Completed: duration was 0 seconds.
> 23:41:27 Mon Jun 18 - loguniq 79076, logpos 0x10af018, timestamp:
> 0x4bdc3153
> Interval: 351251
>
> 23:41:27 Maximum server connections 1406
> 23:41:27 Checkpoint Statistics - Avg. Txn Block Time 0.001, # Txns blocked
> 1,
> Plog used 780, Llog used 3660
>
> 23:42:24 listener-thread: err = -25571: oserr = 0: errstr = : Cannot
> create a
> user thread.
> The error -25571 has been encountered 66 times since it was last printed to
> the
> log.
>
> 23:43:25 listener-thread: err = -25571: oserr = 0: errstr = : Cannot
> create a
> user thread.
> The error -25571 has been encountered 62 times since it was last printed to
> the
> log.
>
> 23:44:26 listener-thread: err = -25571: oserr = 0: errstr = : Cannot
> create a
> user thread.
> The error -25571 has been encountered 72 times since it was last printed to
> the
> log.
>
> 23:45:27 listener-thread: err = -25571: oserr = 0: errstr = : Cannot
> create a
> user thread.
> The error -25571 has been encountered 69 times since it was last printed to
> the
> log.
>
> 23:46:27 Checkpoint Completed: duration was 0 seconds.
> 23:46:27 Mon Jun 18 - loguniq 79076, logpos 0x1798018, timestamp:
> 0x4bdd4b5c
> Interval: 351252
>
> 23:46:27 Maximum server connections 1406
> 23:46:27 Checkpoint Statistics - Avg. Txn Block Time 0.001, # Txns blocked
> 0,
> Plog used 125, Llog used 1769
>
> What could be the possible cause of this issue?
>
>
>
> *******************************************************************************
> Forum Note: Use "Reply" to post a response in the discussion forum.
>
>

--14dae9340a6f3a7f8e04c2e5a9b7

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