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    <p>If one has a problem with a dupefile, and it does happen, rm
      /spider/local_data/dupefile and restart the node.</p>
    <p>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. <br>
    </p>
    <p>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.</p>
    <p>73 Dirk G1TLH<br>
    </p>
    <div class="moz-cite-prefix">On 02/04/2025 04:40, Christopher
      Schlegel via Dxspider-support wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:CAAh2dv1qH155kCPhDz39bOtDw+yQaae0xZWzqJbohtFod7_E-Q@mail.gmail.com">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      <div dir="auto">Boudewijn,
        <div dir="auto"><br>
        </div>
        <div dir="auto">It sounds like corruption, assuming the
          permissions haven't changed. </div>
        <div dir="auto"><br>
        </div>
        <div dir="auto">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. </div>
        <div dir="auto"><br>
        </div>
        <div dir="auto">73, Chris WI3W</div>
        <div dir="auto"><br>
        </div>
      </div>
      <br>
      <div class="gmail_quote gmail_quote_container">
        <div dir="ltr" class="gmail_attr">On Tue, Apr 1, 2025, 22:41
          Boudewijn (Bob) Tenty via Dxspider-support <<a
            href="mailto:dxspider-support@tobit.co.uk"
            moz-do-not-send="true" class="moz-txt-link-freetext">dxspider-support@tobit.co.uk</a>>
          wrote:<br>
        </div>
        <blockquote class="gmail_quote"
style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">In
          addition, the dupefile I see in /spider/local_date is
          __db.dupefile<br>
          <br>
          Boudewijn<br>
          <br>
          On 4/1/25 22:36, Boudewijn (Bob) Tenty via Dxspider-support
          wrote:<br>
          > 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<br>
          ><br>
          > Corruption?<br>
          ><br>
          > Here is the debug file<br>
          ><br>
          > 1743558931^(cluster) DXSpider v1.57 build 611 (git:
          mojo/1f635123[r]) using perl v5.36.0 on linux started<br>
          > 1743558931^(cluster) Copyright (c) 1998-2025 Dirk Koopman
          G1TLH<br>
          > 1743558931^(cluster) Capabilities: ve7cc rbn<br>
          > 1743558931^(*) loading prefixes ...<br>
          > 1743558931^(*) US Database loaded<br>
          > 1743558932^(*) loading band data ...<br>
          > 1743558932^(*) loading user file system ...<br>
          > 1743558932^(*) starting listeners ...<br>
          > 1743558932^(*) Internal port: localhost 27754 using
          IntMsg<br>
          > 1743558932^(*) External Port: 0.0.0.0 7300 using
          ExtMsg::login<br>
          > 1743558932^(*) Starting Dupe system<br>
          > 1743559032^(trace) cannot open
          /spider/local_data/dupefile File exists<br>
          > 1743559032^(trace) Stack (2): DXDupe::DXDebug::confess in
          /spider/perl/DXDupe.pm line: 27<br>
          > 1743559032^(trace) Stack (3): main::DXDupe::init in
          /spider/perl/<a href="http://cluster.pl"
            rel="noreferrer noreferrer" target="_blank"
            moz-do-not-send="true">cluster.pl</a> line: 728<br>
          > 1743559032^(trace) Stack (4): main::main::setup_start in
          /spider/perl/<a href="http://cluster.pl"
            rel="noreferrer noreferrer" target="_blank"
            moz-do-not-send="true">cluster.pl</a> line: 936<br>
          > 1743559032^(*) DXSpider Ceasing<br>
          > 1743559032^(*) DXQSL finished<br>
          > 1743559032^(*) DXDupe finishing<br>
          > 1743559032^(*) DXUser finished<br>
          > 1743559032^(cluster) DXSpider v1.57 build 611 (git:
          mojo/1f635123[r]) using perl v5.36.0 on linux ended<br>
          > 1743559032^(*) bye bye everyone - bye bye<br>
          ><br>
          > 73,<br>
          ><br>
          > Boudewijn VE3TOK<br>
          ><br>
          -- <br>
          There is nothing permanent except change<br>
          <br>
                                           Heraclitus<br>
          <br>
          <br>
          _______________________________________________<br>
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            class="moz-txt-link-freetext">Dxspider-support@tobit.co.uk</a><br>
          <a
href="https://mailman.tobit.co.uk/mailman/listinfo/dxspider-support"
            rel="noreferrer noreferrer" target="_blank"
            moz-do-not-send="true" class="moz-txt-link-freetext">https://mailman.tobit.co.uk/mailman/listinfo/dxspider-support</a><br>
        </blockquote>
      </div>
      <br>
      <fieldset class="moz-mime-attachment-header"></fieldset>
      <pre wrap="" class="moz-quote-pre">_______________________________________________
Dxspider-support mailing list
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</pre>
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