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Re: 20040630: potential LDM/pqact problem on OSF/1



David,

>Date: Wed, 30 Jun 2004 12:39:38 -0700
>From: David Ovens <address@hidden>
>Organization: University of Washington
>To: Steve Emmerson <address@hidden>
>Subject: Re: 20040630: potential LDM/pqact problem on OSF/1
>Keywords: 200406241954.i5OJsCWb010248 LDM PIPE Perl

The above message contained the following:

> Ok. Try to do this:
>   ssh address@hidden

I'm on.

The current LDM logfile contains the following:

    Jun 30 20:01:58 glacier pqact[523476]:   318271 20040630200158.002  NIMAGE 
1837527  satz/ch1/GOES-12/IR/20040630 1955/PR-NATIONAL/8km/ TIGQ02 KNES 301955
    Jun 30 20:01:58 glacier pqact[523476]:                pipe: 
-close^I/home/disk/ldm/local/bin/gini/zlib2gif.pl 
/home/glacier/ldm/nport/IMAGE/PR-NATIONAL/8km/IR/IR_20040630_1955 
satz/ch1/GOES-12/IR/20040630 1955/PR-NATIONAL/8km
    Jun 30 20:01:58 glacier pqact[523476]: pbuf_flush (4) write: Broken pipe
    Jun 30 20:01:58 glacier pqact[523476]: pipe_dbufput: 
-close/home/disk/ldm/local/bin/gini/zlib2gif.pl/home/glacier/ldm/nport/IMAGE/PR-NATIONAL/8km/IR/IR_20040630_1955satz/ch1/GOES-12/IR/200406301955/PR-NATIONAL/8km
 write error

This indicates that the pqact(1) process 523476 was unable to pipe the
data-product whose product-identifier is

    satz/ch1/GOES-12/IR/20040630 1955/PR-NATIONAL/8km/ TIGQ02 KNES 301955

to the decoder whose pathname is

    /home/disk/ldm/local/bin/gini/zlib2gif.pl

because the pipe was closed.  The pipe could have been closed because

    1.  The decoder explicitly closed standard input; or

    2.  The decoder terminated prematurely.

There are other, similar entries in the logfile.

Offhand, I'd say the decoder

    /home/disk/ldm/local/bin/gini/zlib2gif.pl

has a problem.  Does it log error-messages anywhere?

Regards,
Steve Emmerson


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