# ‘Error: mysql conflicts with MySQL’ when install Percona-XtraDB-Cluster-server-56 **URL:** \ **Category:** Percona XtraDB Cluster 5.x\ **Created:** [May 23, 2018, 2:04am UTC](https://forums.percona.com/t/error-mysql-conflicts-with-mysql-when-install-percona-xtradb-cluster-server-56/6371 "2018-05-23T02:04:25Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![keith](https://avatars.discourse-cdn.com/v4/letter/k/f05b48/32.png) [@keith](https://forums.percona.com/u/keith)\ **Post date:** [May 23, 2018, 2:04am UTC](https://forums.percona.com/t/error-mysql-conflicts-with-mysql-when-install-percona-xtradb-cluster-server-56/6371/1 "2018-05-23T02:04:25Z")
I use yum to install Percona-XtraDB-Cluster-server-56 on centos5 ```auto Loading "installonlyn" plugin Setting up Install Process Setting up repositories percona-release-i386 100% |=========================| 2.5 kB 00:00 C5.7-base 100% |=========================| 1.1 kB 00:00 percona-release-noarch 100% |=========================| 2.5 kB 00:00 Reading repository metadata in from local files Parsing package install arguments Resolving Dependencies --> Populating transaction set with selected packages. Please wait. ---> Package Percona-XtraDB-Cluster-server-56.i686 1:5.6.15-25.5.759.rhel5 set to be updated --> Running transaction check --> Processing Dependency: Percona-XtraDB-Cluster-shared-56 for package: Percona-XtraDB-Cluster-server-56 --> Processing Dependency: Percona-XtraDB-Cluster-galera-25 for package: Percona-XtraDB-Cluster-server-56 --> Processing Dependency: perl-DBD-MySQL for package: Percona-XtraDB-Cluster-server-56 --> Processing Dependency: percona-xtrabackup >= 2.1.6 for package: Percona-XtraDB-Cluster-server-56 --> Processing Dependency: Percona-XtraDB-Cluster-client-56 for package: Percona-XtraDB-Cluster-server-56 --> Restarting Dependency Resolution with new changes. --> Populating transaction set with selected packages. Please wait. ---> Package Percona-XtraDB-Cluster-galera-2.i386 0:2.12-1.2682.rhel5 set to be updated ---> Package percona-xtrabackup.i386 0:2.3.9-1.el5 set to be updated ---> Package Percona-XtraDB-Cluster-client-56.i686 1:5.6.15-25.5.759.rhel5 set to be updated ---> Package Percona-XtraDB-Cluster-shared-56.i686 1:5.6.15-25.5.759.rhel5 set to be updated ---> Package perl-DBD-MySQL.i386 0:3.0007-2.el5 set to be updated --> Running transaction check --> Processing Dependency: libmysqlclient.so.15(libmysqlclient_15) for package: perl-DBD-MySQL --> Processing Dependency: libev.so.4 for package: percona-xtrabackup --> Processing Dependency: libmysqlclient.so.15 for package: perl-DBD-MySQL --> Restarting Dependency Resolution with new changes. --> Populating transaction set with selected packages. Please wait. ---> Package mysql.i386 0:5.0.77-4.el5_6.6 set to be updated ---> Package libev.i386 0:4.15-1.el5.rf set to be updated --> Running transaction check --> Processing Conflict: mysql conflicts MySQL --> Finished Dependency Resolution Error: mysql conflicts with MySQL ``` But I have uninstalled the package about mysql When I execute `rpm qa|grep -i mysql` there is no output ```auto [root@localhost /]# rpm qa|grep -i mysql [root@localhost /]# ``` How can I solve this problem？ Thank you! ---
**Author:** ![daniel1](https://avatars.discourse-cdn.com/v4/letter/d/b19c9b/32.png) [@daniel1](https://forums.percona.com/u/daniel1)\ **Post date:** [November 17, 2022, 8:42am UTC](https://forums.percona.com/t/error-mysql-conflicts-with-mysql-when-install-percona-xtradb-cluster-server-56/6371/2 "2022-11-17T08:42:19Z")
Maybe you meant to do: ```auto rpm -qa | grep -i mysql ```