RE: What Does 'Descriptor not Valid' mean in an open statement.

Bradley,

Here is the error message:

open file: /massmutual/rateinc_in/results/lifecare_rate_rnwl_agnt_file_push_20180815100 041.dat Descriptor not valid.

And here is the code:

p open_file b
d open_file pi n
d path 254a
d filepath s 256a
d filehandle s 10i 0 inz
filepath = %trim(path) + x'00';
filehandle = open(filepath:O_RDONLY + O_TEXTDATA);
if filehandle <= *zero;
die('open file: ' + %trim(path) + ' ' + %str(strerror(errno)));
return *on;
else;
return *off;
endif;
return *on;
p open_file e
/eject

Thanks,
 
Marvin
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-----Original Message-----
From: RPG400-L [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Bradley Stone
Sent: Wednesday, September 12, 2018 6:49 AM
To: RPG programming on the IBM i / System i <rpg400-l@xxxxxxxxxxxx>
Subject: Re: What Does 'Descriptor not Valid' mean in an open statement.

And you're sure it's on open() and not read() or write()?

Do you have a lot of programs that use sockets and/or open IFS files? Or maybe 3rd party applications? I've seen a lot of issues where descriptors aren't closed properly and other programs can't open a new one, or they try to use one that isn't the one it opened.

I asked for a code snippet for a reason... I was curious. If you could post the return codes and error numbers as well, that would help.

If it's working on devo and not on prod I see two possible issues:

1. OS issue (doubtful)
2. Job isn't properly creating/closing open descriptors (for IFS and/or sockets).

Of course, another possibility is the code isn't the same.

Bradley V. Stone
www.bvstools.com
MAILTOOL Benefit #1 <https://www.bvstools.com/mailtool.html>: Command and ILE Interfaces available which means easily sending email from your programs.

On Wed, Sep 12, 2018 at 8:24 AM Marvin Radding < marvin.radding@xxxxxxxxxxxxxxxxxxxxx> wrote:

Bradley,

It worked with no problems on our development box. This problem only
occurred on the Production system.

Thanks,

Marvin
No trees were killed in the sending of this message, but a large
number of electrons were terribly inconvenienced, traumatized,
triggered, and crying for their safe spaces.

-----Original Message-----
From: RPG400-L [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of
Bradley Stone
Sent: Wednesday, September 12, 2018 6:04 AM
To: RPG programming on the IBM i / System i <rpg400-l@xxxxxxxxxxxx>
Subject: Re: What Does 'Descriptor not Valid' mean in an open statement.

Can you post your open code? Maybe you defined your file descriptor
incorrectly?

Bradley V. Stone
www.bvstools.com
MAILTOOL Benefit #5 <https://www.bvstools.com/mailtool.html>: Easy setup!
No confusing or obscure setup instructions, directory entries, SMTP
users, aliases or host tables. All you need is TCPIP, a connection to
the internet and you're done!

On Wed, Sep 12, 2018 at 8:03 AM Marvin Radding <
marvin.radding@xxxxxxxxxxxxxxxxxxxxx> wrote:

I am having a very strange problem. When I attempt to open an IFS
file, the error I get is 'Descriptor not Valid'. When I google this
error all the problems others have had are with writing and reading,
but no one has had the error on opening.

Can anyone tell me why I am getting this error. We are on 7.1 and I
am using Scott Klement's set up.

Thanks,

Marvin
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