Fw: spool file not found (CPF3303)

Interesting post (and replies) found today on newsgroup comp.sys.ibm.as400.misc

(See below)

Steve Landess
Austin, Texas
(512) 423-0935
-----------------------------------------------

> ----- Original Message ----- 
> Bob Wenner wrote:
> Subject: spool file not found (CPF3303)
>
> Hi...
>    I have a client that runs two queries
> at end-of-day that use the keyword TODAY.
> (gotta re-think that one)
>
>    Well, yesterday afternoon an 18-wheeler took out
> the power and phone pole out front.  Power
> wasn't restored till late last night.  So,
> to run these queries using TODAY the operator
> this morning overrode the system date.
> These two spool entries now view fine
> but when trying to move them to an
> outq/printer we get message CPF3303.
>
> any ideas ?
> thx
> Bob


>> Then Rodney Johnson wrote:
>>
>> Let me guess, you are probably on V5R2.
>>
>> There is an info APAR II13593 regarding changing the system date and
>> time back and its affect on Spool OS code.
>>
>> We had to change our search algorithm for finding a spooled file for the
>> detached spooled file support (spooled files can live and be used
>> without its parent job).  In changing the algorithm, I tried to be
>> "smart" and do it efficiently by searching for a create date and time
>> after the date and time the job started.  Course if you start the job,
>> then set the date/time back before the job started, and then create
>> spooled files, you will get this CPF3303 and other CPF33xx or CPF34xx
>> errors.
>>
>> The info APAR was created, because at the time we felt we could not make
>> the change without significantly impacting the performance for finding a
>> spooled file.  Spool's lack of scalability/performance has become one of
>> the top CPS problems we deal with.
>>
>> We managed to find a way to fix this under PTF SI11929 (we got a lot of
>> calls when daylight savings ended).
>>
>> However, I feel I must stress, setting the date and time back is not a
>> good thing to do.  More functions than Spool in the OS make assumptions
>> that can have bad results when time changes.


>>>Then Bob Wenner wrote:
>>>Subject: Re: spool file not found (CPF3303)


>>> Thanks for the responses...
>>> You're right Rodney OS V5R2.
>>>
>>> I will get that PTF applied...
>>> and change the way that query is run.
>>>
>>> Funny being able to view the
>>> spool entry but nothing beyond that.
>>>
>>> Thanks again...
>>> Bob


>>>> Then Rodney Johnson wrote:
>>>> When we put up the list, we just read the entries and put them to the
>>>> screen.  We don't care when they were created then.
>>>>
>>>> Also, some operations will work from that screen, as we use a pointer
to
>>>> the spooled file instead of accessing the file through the index.
>>>> Operations that typically fail from the panel are 2-Change and 1-Send.
>>>>
>>>> Some operations have different requirements (for support of other OS
>>>> functionality or configurability), thus the reason for different ways
to
>>>> get at the spooled file.  One of the disadvantages to being fully
>>>> integrated OS, vs. a put together system such as Unix/Linux or Windows.
>>>>   Sure they each have a default "integrated" spooler, but most use some
>>>> custom spooler that comes with their printer.