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IDS Forum

Re: error -285 Invalid cursor received by sqlexec.

Posted By: Cesar Inacio Martins
Date: Tuesday, 2 August 2011, at 9:20 p.m.

In Response To: Re: error -285 Invalid cursor received by sqlexec. (Fernando Nunes)

Hi Fernando,

The 4gl version is the 7.32 FC2 , the csdk used is 2.90 FC4 (version what incoming with ids 10 fc4)
There is no other versions of 4GL running .

yes, have decimal columns on this table (not the columns used to filter)

Nothing of AFs,

Nothing of bad query (so far ... and I hope keep this )

At this moment have two things weird what I can talk about.
First, I believed I'm have mistake about the re-creation of the indexes and all start to works fine. Today, during all work day, the problem back occur.
Just now , at night and with low concurrency over the table, testing ... all appear works fine again. So, maybe the problem is the high concurrency. I will need to wait tomorrow (wed) at rush time and with high concurrency to check if the problem back occur , or just mysterious go way...

The second weird thing what happen, few hours after the restart of the instance, some Java module try to started
and this never happen before, any java was configured and used on the database.
The PMR already open...

08/01/11 17:03:51 Booting Language <java> from module <$INFORMIXDIR/extend/krakatoa/lmjava.so>
08/01/11 17:03:51 Loading Module <$INFORMIXDIR/extend/krakatoa/lmjava.so>
08/01/11 17:03:51 The C Language Module </vulca/informix/extend/krakatoa/lmjava.so> loaded
08/01/11 17:03:51 Loading Module <informix.jvp.dbapplet.impl.JarHandler>
08/01/11 17:03:51 mt_bind_class: invalid argument

08/01/11 17:03:51 (-9799): ERROR: Routine execution VP switch failed -- new VP <jvp>
08/01/11 17:04:37 Logical Log 30080 Complete, timestamp: 0xa098eb88.
08/01/11 17:04:38 Logical Log 30080 - Backup Started
08/01/11 17:04:39 Logical Log 30080 - Backup Completed
08/01/11 17:04:55 mt_bind_class: invalid argument

08/01/11 17:04:55 (-9799): ERROR: Routine execution VP switch failed -- new VP <jvp>
08/01/11 17:07:02 mt_bind_class: invalid argument

08/01/11 17:07:02 (-9799): ERROR: Routine execution VP switch failed -- new VP <jvp>
08/01/11 17:07:02 mt_bind_class: invalid argument

08/01/11 17:07:02 (-9799): ERROR: Routine execution VP switch failed -- new VP <jvp>
08/01/11 17:07:03 mt_bind_class: invalid argument

08/01/11 17:07:03 (-9799): ERROR: Routine execution VP switch failed -- new VP <jvp>
08/01/11 17:07:03 mt_bind_class: invalid argument

08/01/11 17:07:03 (-9799): ERROR: Routine execution VP switch failed -- new VP <jvp>
08/01/11 17:08:23 Logical Log 30081 Complete, timestamp: 0xa0b82b12.
0

________________________________
De: Fernando Nunes <domusonline@gmail.com>
Para: ids@iiug.org
Enviadas: Terça-feira, 2 de Agosto de 2011 19:32
Assunto: Re: error -285 Invalid cursor received by sqlexec. [24501]

Hmmm... I think the versions don't match... But:

- Do you have old 4GL clients connecting to that instance (7.20?) or old
CSDK (maybe 2.81?)
- Do the tables have decimal columns?
- Nothing more happens on the instance? AFs... bad query results?

Nevertheless you should open a PMR...

Regards

On Tue, Aug 2, 2011 at 10:18 PM, Cesar Inacio Martins <
cesar_inacio_martins@yahoo.com.br> wrote:

> Hi ,
>
> IDS 11.50 FC8 , AIX 6.1
>
> After a problem with creation online index , where the engine "lock" in
> some
> way the internal structure of the table and don't stop$$ to raise errors -710
> for all tables with have foreign keys to table what the index was
> created...
> we need to force a bounce/start on the instance to stop this and allow the
> system company back functional.
>
> This is a problem, what there is no direct relation with the error on the
> subject of this message (I believed)
>
> *After this restart* of the instance , some applications (4gl 7.32 / aix
> 5.3)
> start abort with error -285 (Invalid cursor received by sqlexec) on the
> foreach command.
> Some of this applications are used daily for the users and they compilation
> was from 2 months ago (so, 2 months working without problems).
> The table what raise the error -285, there is any relationship with the
> table
> what the indexes are created and raise the error -710
>
> The curious is :
> - The error occur only when the SQLs have more of one host variables :
> declare xyz cursor select * from xyz where field1 = v_variable and field2 =
> v_variable2 ## get error 285 on the foreach
>
> declare xyz cursor select * from xyz where field1 = v_variable ## works
> declare xyz cursor select * from xyz where field1 = v_variable and field2 =
> 'abc' ## works
>
> - The problem appear occur always over the same tables (more of one
> program)
> - After recreate the indexes of the tables involved (drop online/create
> online), the error disappear... and back on the next day...
>
> - There is no corrupt data / index (at least, is what "oncheck" says... )
> - The error occur on the first "fetch" of the data (bellow , part of a
> stack
> trace, from AF trap)
>
> 0x00000001000b76a8 (oninit)afstack
>
> 0x00000001000b97bc (oninit)afhandler
>
> 0x0000000100130b90 (oninit)check_traperror
>
> 0x00000001001faa94 (oninit)sqerr
>
> 0x0000000100447374 (oninit)sql_nfetch
>
> 0x00000001004474f4 (oninit)sq_nfetch
>
> 0x000000010022463c (oninit)sqmain
>
> 0x000000010037c160 (oninit)listen_verify
>
> 0x000000010037a608 (oninit)spawn_thread
>
> 0x0000000100dd528c (oninit)startup
>
> This was confirmed by sqlidebug too.
>
> Executing a dummy 4gl program, with one of the SQL what abort the programs,
> We
> got the same error.
> +----------------------------------------------------------------
> | 2 main
> | 3 define s_teste char(5)
> | 4 define p_table RECORD LIKE tbl_table.*
>
> | 5 define l_intcod integer
> | 6
> | 7 let s_teste ='cesar'
> | 8 let l_intcod =72507
>
> | 9 DECLARE c01 CURSOR FOR
> | 10 SELECT *
> | 11 FROM tbl_table
> | 12 WHERE teste = s_teste AND
> | 13 intcod = l_intcod
> | 14 ORDER BY seqcod
> | 15
> | 16 FOREACH c01 INTO p_table.*
> | 17 end foreach
> | 18
> | 19
> | 20 end main
>
> |
> |
> |
> |(main.4gl:main)
>
> +----------------------------------------------------------------
> +----------------------------------------------------------------
> | sqlawarn = " "
> |end record
> |$run
> |Stopped in main at line 7 in module "main.4gl"
> |$s
>
> |Stopped in main at line 8 in module "main.4gl"
> |$s
> |Stopped in main at line 9 in module "main.4gl"
> |$s
>
> |Stopped in main at line 16 in module "main.4gl"
> |$s
> |Fatal error in main at line 16inmodule "main.4gl"
> | -285: Invalid cursor received by sqlexec.
> |$p sqlca
> |global:sqlca = record
> | sqlcode = -285
> | sqlerrm = (null)
>
> | sqlerrp = (null)
> | sqlerrd = {1, 0, 0, 1, 17, 0}
> | sqlawarn = " "
> |end record
>
> |$
> +----------------------------------------------------------------
>
> We cannot restart the instance again because of some business process what
> can't stop any more... and this is something what I don't believed should
> be a
> solution... This isn't a windows server ...
>
> Anyone already have some situation similar with this kind of error? (-285)
> Any tips?
>
> Attempts already tried :
> 1) Execute a update statistics over the table
> 2) Disable the Statement cache (onmode -e off) , but this command appear
> not
> working on the v11.50 FC8...
> 3) Recreate the indexes of the table (appear to works for a moment...and
> back
> the problem, but this was done only once and we not try again).
>
> Yes, is a very very odd situation.. but this is a production environment ,
> we
> can't play with stop/start of the instance...
>
>
>
>
*******************************************************************************
> Forum Note: Use "Reply" to post a response in the discussion forum.
>
>

--
Fernando Nunes
Portugal

http://informix-technology.blogspot.com
My email works... but I don't check it frequently...

--001485f6c822f0034504a98d52af

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