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	Tue, 24 Aug 2021 20:11:16 +0000 (UTC)
Date: Tue, 24 Aug 2021 20:11:15 +0000
From: Eric Wong <e@80x24.org>
To: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
Cc: meta@public-inbox.org
Subject: Re: nntpd errors retrieving group list
Message-ID: <20210824201115.GA8587@dcvr>
References: <20210824135835.7ujvhisruasihlpo@nitro.local>
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Konstantin Ryabitsev <konstantin@linuxfoundation.org> wrote:
> Hello:
> 
> I tried the nntpd daemon on x-lore, but I seem to be hitting something odd
> while retrieving the group list. This is from syslog:
> 
> public-inbox-nntpd: Can't call method "minmax" on an undefined value at /usr/local/share/perl5/PublicInbox/NNTP.pm line 264.
> public-inbox-nntpd: during long response[14] - 0.0 03772
> 
> This is in nntpd.out.log
> 
> [14] MODE READER - 0.000052
> [14] LIST - 0.003624 pending
>  deferred[14] aborted - 0.003772
> 
> All entries in the config file have a newsgroup= entry, so I don't have any
> immediate insights why something would be "undefined" at that line.

Any chance you're out-of-FDs or permissions are wrong?

There's also an off chance a non-inbox (extindex) object is there.
Perhaps this debugging patch can shine a light on things:

diff --git a/lib/PublicInbox/NNTP.pm b/lib/PublicInbox/NNTP.pm
index 9df47133..6f07db84 100644
--- a/lib/PublicInbox/NNTP.pm
+++ b/lib/PublicInbox/NNTP.pm
@@ -261,8 +261,11 @@ sub parse_time ($$;$) {
 
 sub group_line ($$) {
 	my ($self, $ibx) = @_;
-	my ($min, $max) = $ibx->mm->minmax;
-	more($self, "$ibx->{newsgroup} $max $min n");
+	eval {
+		my ($min, $max) = $ibx->mm->minmax;
+		more($self, "$ibx->{newsgroup} $max $min n");
+	};
+	warn "Error: $@ - $ibx $ibx->{newsgroup}\n" if $@;
 }
 
 sub newgroups_i {