[Dxspider-support] DxSpider problem

djk djk at tobit.co.uk
Wed Apr 2 08:47:07 BST 2025


If one has a problem with a dupefile, and it does happen, rm 
/spider/local_data/dupefile and restart the node.

I have no idea why it happens, but I suspect it is the default 
serialisation mechanism that perl uses which used to cause endless 
corruptions on the user file. I will see if I can eliminate its use 
throughout the program.

I have complained to the perl maintainers but I suspect they would have 
the same view as me: much too infrequent, intermittent and not testable. 
Meh.

73 Dirk G1TLH

On 02/04/2025 04:40, Christopher Schlegel via Dxspider-support wrote:
> Boudewijn,
>
> It sounds like corruption, assuming the permissions haven't changed.
>
> If you move the dupefile to say, /home/sysop, and try to start spider 
> it may recreate a new dupefile. If not you can always move the 
> dupefile back to the original directory and try something else.
>
> 73, Chris WI3W
>
>
> On Tue, Apr 1, 2025, 22:41 Boudewijn (Bob) Tenty via Dxspider-support 
> <dxspider-support at tobit.co.uk> wrote:
>
>     In addition, the dupefile I see in /spider/local_date is __db.dupefile
>
>     Boudewijn
>
>     On 4/1/25 22:36, Boudewijn (Bob) Tenty via Dxspider-support wrote:
>     > We had a ice-storm here with a power failure two days ago at one
>     of my dx spiders and now it stays up only for a short while and I
>     can't login during that time
>     >
>     > Corruption?
>     >
>     > Here is the debug file
>     >
>     > 1743558931^(cluster) DXSpider v1.57 build 611 (git:
>     mojo/1f635123[r]) using perl v5.36.0 on linux started
>     > 1743558931^(cluster) Copyright (c) 1998-2025 Dirk Koopman G1TLH
>     > 1743558931^(cluster) Capabilities: ve7cc rbn
>     > 1743558931^(*) loading prefixes ...
>     > 1743558931^(*) US Database loaded
>     > 1743558932^(*) loading band data ...
>     > 1743558932^(*) loading user file system ...
>     > 1743558932^(*) starting listeners ...
>     > 1743558932^(*) Internal port: localhost 27754 using IntMsg
>     > 1743558932^(*) External Port: 0.0.0.0 7300 using ExtMsg::login
>     > 1743558932^(*) Starting Dupe system
>     > 1743559032^(trace) cannot open /spider/local_data/dupefile File
>     exists
>     > 1743559032^(trace) Stack (2): DXDupe::DXDebug::confess in
>     /spider/perl/DXDupe.pm line: 27
>     > 1743559032^(trace) Stack (3): main::DXDupe::init in
>     /spider/perl/cluster.pl <http://cluster.pl> line: 728
>     > 1743559032^(trace) Stack (4): main::main::setup_start in
>     /spider/perl/cluster.pl <http://cluster.pl> line: 936
>     > 1743559032^(*) DXSpider Ceasing
>     > 1743559032^(*) DXQSL finished
>     > 1743559032^(*) DXDupe finishing
>     > 1743559032^(*) DXUser finished
>     > 1743559032^(cluster) DXSpider v1.57 build 611 (git:
>     mojo/1f635123[r]) using perl v5.36.0 on linux ended
>     > 1743559032^(*) bye bye everyone - bye bye
>     >
>     > 73,
>     >
>     > Boudewijn VE3TOK
>     >
>     -- 
>     There is nothing permanent except change
>
>                                      Heraclitus
>
>
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