mysql-mmm-monitor服务启动错误，没有编译相关的Class::Singleton包解决

以下是相关的编译过程中错误提示，和错误解决过程；

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[root@DB1 mmm_deps]# cd /etc/init.d/

[root@DB1 init.d]# chkconfig mysql-mmm-monitor on

[root@DB1 init.d]# service mysql-mmm-monitor start

Daemon bin: '/usr/sbin/mmm_mond'

Daemon pid: '/var/run/mmm_mond.pid'

Starting MMM Monitor daemon: Base class package "Class::Singleton" is empty.

(Perhaps you need to 'use' the module which defines that package first.)

at /usr/lib/perl5/vendor_perl/5.8.8/MMM/Monitor/Agents.pm line 2

BEGIN failed--compilation aborted at /usr/lib/perl5/vendor_perl/5.8.8/MMM/Monitor/Agents.pm line 2.

Compilation failed in require at /usr/lib/perl5/vendor_perl/5.8.8/MMM/Monitor/Monitor.pm line 15.

BEGIN failed--compilation aborted at /usr/lib/perl5/vendor_perl/5.8.8/MMM/Monitor/Monitor.pm line 15.

Compilation failed in require at /usr/sbin/mmm_mond line 28.

BEGIN failed--compilation aborted at /usr/sbin/mmm_mond line 28.

failed

[root@DB1 init.d]# perl -MCPAN -e shell

Terminal does not support AddHistory.

cpan shell -- CPAN exploration and modules installation (v1.7602)

ReadLine support available (try 'install Bundle::CPAN')

cpan> Class::Singleton

Can't locate object method "Singleton" via package "Class" (perhaps you forgot to load "Class"?) at /usr/lib/perl5/5.8.8/CPAN.pm line 201, line 1.

cpan> Class

Unknown command 'Class'. Type ? for help.

cpan> install Class::Singleton

CPAN: Storable loaded ok

Going to read /root/.cpan/Metadata

Database was generated on Mon, 25 Feb 2013 17:53:02 GMT

Running install for module Class::Singleton

Running make for A/AB/ABW/Class-Singleton-1.4.tar.gz

CPAN: LWP::UserAgent loaded ok

Fetching with LWP:

http://mirrors.sohu.com/CPAN/authors/id/A/AB/ABW/Class-Singleton-1.4.tar.gz

CPAN: Digest::MD5 loaded ok

Fetching with LWP:

http://mirrors.sohu.com/CPAN/authors/id/A/AB/ABW/CHECKSUMS

Checksum for /root/.cpan/sources/authors/id/A/AB/ABW/Class-Singleton-1.4.tar.gz ok

Scanning cache /root/.cpan/build for sizes

Class-Singleton-1.4/

Class-Singleton-1.4/Changes

Class-Singleton-1.4/lib/

Class-Singleton-1.4/lib/Class/

Class-Singleton-1.4/lib/Class/Singleton.pm

Class-Singleton-1.4/Makefile.PL

Class-Singleton-1.4/MANIFEST

Class-Singleton-1.4/META.yml

Class-Singleton-1.4/README

Class-Singleton-1.4/t/

Class-Singleton-1.4/t/singleton.t

CPAN.pm: Going to build A/AB/ABW/Class-Singleton-1.4.tar.gz

Checking if your kit is complete...

Looks good

Writing Makefile for Class::Singleton

cp lib/Class/Singleton.pm blib/lib/Class/Singleton.pm

Manifying blib/man3/Class::Singleton.3pm

/usr/bin/make -- OK

Running make test

PERL_DL_NONLAZY=1 /usr/bin/perl "-MExtUtils::Command::MM" "-e" "test_harness(0, 'blib/lib', 'blib/arch')" t/*.t

t/singleton....ok

All tests successful.

Files=1, Tests=29, 0 wallclock secs ( 0.01 cusr + 0.00 csys = 0.01 CPU)

/usr/bin/make test -- OK

Running make install

Manifying blib/man3/Class::Singleton.3pm

Installing /usr/lib/perl5/site_perl/5.8.8/Class/Singleton.pm

Installing /usr/share/man/man3/Class::Singleton.3pm

Writing /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/auto/Class/Singleton/.packlist

Appending installation info to /usr/lib/perl5/5.8.8/i386-linux-thread-multi/perllocal.pod

/usr/bin/make install -- OK

cpan> exit

Terminal does not support GetHistory.

Lockfile removed.

[root@DB1 init.d]# service mysql-mmm-monitor start

Daemon bin: '/usr/sbin/mmm_mond'

Daemon pid: '/var/run/mmm_mond.pid'

Starting MMM Monitor daemon: Ok

[root@DB1 init.d]#