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《Mysql实例XtraBackup备份出现"Can't locate Digest/MD5.pm in @INC"》要点：
本文介绍了Mysql实例XtraBackup备份出现"Can't locate Digest/MD5.pm in @INC"，希望对您有用。如果有疑问，可以联系我们。
导读：在CentOS 7上安装了Xtrabackup 2.4.5(innobackupex version 2.4.5 Linux (x86_64) (revision id: e41c0be)),然后做备份时遇到下面错误信息
在CentOS 7上安装了Xtrabackup 2.4.5(innobackupex version 2.4.5 Linux (x86_64) (revision id: e41c0be)),然后做备份时遇到下面错误信息“Can't locate Digest/MD5.pm in @INC (@INC contains: /usr/local/lib64/perl5 /usr/local/share/perl5 /usr/lib64/perl5/vendor_perl /usr/share/perl5/vendor_perl /usr/lib64/perl5 /usr/share/perl5 .) at - line 693”. 具体错误提示信息如下：
- 170222?10:57:29?innobackupex:?Starting?the?backup?operation?
- ??
- IMPORTANT:?Please?check?that?the?backup?run?completes?successfully.?
- ???????????At?the?end?of?a?successful?backup?run?innobackupex?
- ???????????prints?"completed?OK!".?
- ??
- Can't?locate?Digest/MD5.pm?in?@INC?(@INC?contains:?/usr/local/lib64/perl5?/usr/local/share/perl5?/usr/lib64/perl5/vendor_perl?/usr/share/perl5/vendor_perl?/usr/lib64/perl5?/usr/share/perl5?.)?at?-?line?693.?
- BEGIN?failed--compilation?aborted?at?-?line?693.?
- 170222?10:57:29?Connecting?to?MySQL?server?host:?127.0.0.1,?user:?root,?password:?set,?port:?3306,?socket:?(null)?
- Using?server?version?5.6.20-enterprise-commercial-advanced-log?
- /usr/bin/innobackupex?version?2.4.5?based?on?MySQL?server?5.7.13?Linux?(x86_64)?(revision?id:?e41c0be)?
- xtrabackup:?uses?posix_fadvise().?
- xtrabackup:?cd?to?/var/lib/mysql/?
- xtrabackup:?open?files?limit?requested?0,?set?to?1024?
- xtrabackup:?using?the?following?InnoDB?configuration:?
- xtrabackup:???innodb_data_home_dir?=?.?
- xtrabackup:???innodb_data_file_path?=?ibdata1:12M:autoextend?
- xtrabackup:???innodb_log_group_home_dir?=?./?
- xtrabackup:???innodb_log_files_in_group?=?2?
- xtrabackup:???innodb_log_file_size?=?50331648?
MYSQL数据库出现这个错误是因为安装Xtrabackup 2.4.5时,没有安装 perl-Digest-MD5组件.Percona官方资料没有最新的关于Percona XtraBackup 2.4的文档,只有Percona XtraBackup 2.2 Documentation,Release 2.2.13 .这个文档并并没有要求安装组件.而我只安装了下面一些组件.
?
- [root@DB-Server?~]#?yum?install?cmake?gcc?gcc-c++?libaio?libaio-devel?automake?autoconf?bzr??
- ????????????????????bison?libtool?ncurses5-devel?
- ??
- [root@DB-Server?~]#?yum?-y?install?perl?perl-devel?perl-Time-HiRes?perl-DBD-MySQL?
MYSQL数据库安装了perl-Digest-MD5后,问题即可解决.
- [root@DB-Server?~]#?yum?-y?install?perl-Digest-MD5?
MYSQL数据库? （编辑：李大同）
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