During routine maintenance I noticed that CPAN was failing operate properly and giving me an error I had not seen before. (updated 2014-02-25 with related errors seen on another system)
(Update: The error was also seen on CentoS 5.5 while installing IO::Socket::SSL via CPAN and the fix below resolved this problem)
This may have happened when I installed awstats on my CentOS5 VPS. It grabbed a yum for Compress::Zlib. I suspect something odd happened and and now CPAN fails. I lack the time right now to track this down for sure and this is a production system so doing a full YUM update is something I need to avoid for a bit.
The fix is to manually bring things into compliance. Using the YUM to obtain the perl-Package-Name would probably be a good Idea but they do not appear to be quite right. The following is what I ended up doing although the path to get here felt like 2 steps forward 1 back. All files were retrieved manually from www.cpan.org via wget (use CPAN search and use the package name as the term) and then the standard Perl mantra; perl Makefile.PL, make, make test, make install. The order of installs is important! I determined the order by examining the warnings from perl Makefile.PL and make test.
- Undefined subroutine &Compress::Zlib::gzopen called at /usr/lib/perl5/5.8.8/CPAN.pm line 5721
- Use of uninitialized value in concatenation (.) or string at /usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/Scalar/Util.pm line 30.
(Update: The error was also seen on CentoS 5.5 while installing IO::Socket::SSL via CPAN and the fix below resolved this problem)
This may have happened when I installed awstats on my CentOS5 VPS. It grabbed a yum for Compress::Zlib. I suspect something odd happened and and now CPAN fails. I lack the time right now to track this down for sure and this is a production system so doing a full YUM update is something I need to avoid for a bit.
The fix is to manually bring things into compliance. Using the YUM to obtain the perl-Package-Name would probably be a good Idea but they do not appear to be quite right. The following is what I ended up doing although the path to get here felt like 2 steps forward 1 back. All files were retrieved manually from www.cpan.org via wget (use CPAN search and use the package name as the term) and then the standard Perl mantra; perl Makefile.PL, make, make test, make install. The order of installs is important! I determined the order by examining the warnings from perl Makefile.PL and make test.
- Scalar::Util — required because IO:Compress failed test due to XS not being in my Scalar package
- Compress::Raw::Bzip2
- Compress::Raw::Zlib — per Compress::Zlib makefile operation
- IO::Compress - as of 2014-02 this includes Base and Gzip, prior to that you may need to download those separate: IO::Compress::Base and IO::Compress::Gzip (Note: This takes a long time for tests).
- Compress::Zlib — the faulty package
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