Bug#1136723: debian trixie libnet-server-perl : Error/warning in Multiplex.pm.

[gregor herrmann]

Version: 2.016-1

On Fri, 15 May 2026 14:48:09 +0530, Manoj Kummini wrote:

I am trying to install postfwd on a debian trixie mail server and got
an error/warning message about Net/Server/Multiplex.pm.
# postfwd --version
Attempt to call undefined import method with arguments ("1.05") via package 
"IO::Multiplex" (Perhaps you forgot to load the package?) at 
/usr/share/perl5/Net/Server/Multiplex.pm line 26.

Thanks for your bug report.

I have an older mail server running debian bullseye. Line 26 of
/usr/share/perl5/Net/Server/Multiplex.pm and Line 6 of
/usr/share/perl5/IO/Multiplex.pm are identical in bullseye and in
trixie, but the error/warning with postfwd comes only in trixie, not in
bullseye.

bullseye didn't have perl 5.40 :)

A fix suggested by chatgpt and gemini is to replace line 26 with
eval { require IO::Multiplex; IO::Multiplex->VERSION(1.05); 
IO::Multiplex->import() };
(I am not an expert on perl to say whether this is a correct solution.)

Cheers,
gregor

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The bug is fixed (i.e. the warning is gone) upstream in 2.015, and in Debian in 2.016-1. Therefor I'm closing the bug report with this version (the BTS knows that 2.014-1 in trixie is still affected).

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