Error performing backup after upgrading the Red Hat Linux operating system from 7.9 to 8.10

Products

• Network Observability

Issue/Introduction

Capture Error:

The Operation failed.
Capture Running Script Returned Error [127]: /SPECTRUM/Spectrum/bin/perl: symbol lookup error:
/usr/local/lib64/perl5/auto/IO/Tty/Tty.so: undefined symbol: Perl_xs_apiversion_bootcheck

Environment

Spectrum running on Linux

Cause

Perl libraries related issues after OS upgrade

Resolution

First, we realised there was 2 versions of Socket module in conflict

• One installed via perl-Socket installed under /usr/lib64/perl       <<< This was updated with OS upgrade
• Another compiled manually under /usr/local/lib64/perl               <<< This was compiled in old OS

Perl searches first in /usr/local/lib64/perl causing the problem.

Removing the files related to Socket module under /usr/local/lib64/perl fixes the issues related to Socket.so errors

In parallel, the customer recompiled IO::Tty module manually and installed it.

Additional Information

Test:

1. Temporarily move the conflicting modules:

   sudo mv /usr/local/lib64/perl5 /usr/local/lib64/perl5.obsolete
   

2. Test again:

   /usr/bin/perl -MIO::Tty -e 'print IO::Tty->VERSION . "\n"'
   

   If it now says Can't locate IO/Tty.pm, that’s good — it means the broken .so file is no longer interfering.

3. Reinstall the module cleanly:

   bash

   sudo dnf install perl-IO-Tty
   

   Or, if you prefer CPAN:

   bash

   sudo cpan IO::Tty