Unable to start mysql 5.7 on linux server

[suparna kotaru]

Hello,

I'm having problem in starting the mysql service.... I started the service 16 hours ago still it's showing as starting mysql server... So i tried to remove the mysql package from server to install freshly.. But i also can't remove the package... Below is the output I'm getting when i tried to start the mysql and also when I'm trying to remove package...I have installed mysql using yum.. Your help is much appreciated...

[root@crm-dev lc42276]# service mysqld status
Redirecting to /bin/systemctl status mysqld.service
mysqld.service - MySQL Server
Loaded: loaded (/usr/lib/systemd/system/mysqld.service; enabled)
Active: deactivating (stop-sigterm) since Thu 2016-10-27 20:17:05 EDT; 16h ago
Main PID: 4759
CGroup: /system.slice/mysqld.service


Oct 27 20:49:44 crm-dev systemd[1]: Starting MySQL Server...
Oct 27 20:50:51 crm-dev systemd[1]: Starting MySQL Server...
Oct 27 20:51:32 crm-dev systemd[1]: Starting MySQL Server...
Oct 27 20:54:10 crm-dev systemd[1]: Starting MySQL Server...
Oct 27 20:54:24 crm-dev systemd[1]: Starting MySQL Server...
Oct 27 20:56:40 crm-dev systemd[1]: Starting MySQL Server...
Oct 27 21:01:01 crm-dev systemd[1]: Starting MySQL Server...
Oct 27 21:01:55 crm-dev systemd[1]: Starting MySQL Server...
Oct 27 21:06:34 crm-dev systemd[1]: Stopping MySQL Server...
Oct 27 21:22:45 crm-dev systemd[1]: Stopping MySQL Server...

When I tried to stop the service.. It's being static without any result...
[root@crm-dev mysql]# systemctl stop mysqld.service

Removing mysql package...
[root@crm-dev lc42276]# yum remove mysql-server
Loaded plugins: product-id, subscription-manager
Resolving Dependencies
There are unfinished transactions remaining. You might consider running yum-complete-transaction, or "yum-complete-transaction --cleanup-only" and "yum history redo last", first to finish them. If those don't work you'll have to try removing/installing packages by hand (maybe package-cleanup can help).
The program yum-complete-transaction is found in the yum-utils package.
--> Running transaction check
---> Package mysql-community-server.x86_64 0:5.7.16-1.el7 will be erased
--> Finished Dependency Resolution


Dependencies Resolved


========================================================================================================================================================================
Package Arch Version Repository Size
========================================================================================================================================================================
Removing:
mysql-community-server x86_64 5.7.16-1.el7 @mysql57-community 691 M


Transaction Summary
========================================================================================================================================================================
Remove 1 Package


Installed size: 691 M
Is this ok [y/N]: y
Downloading packages:
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction




^Cerror: %preun(mysql-community-server-5.7.16-1.el7.x86_64) scriptlet failed, signal 2
Error in PREUN scriptlet in rpm package mysql-community-server-5.7.16-1.el7.x86_64

cursor is static from a long time... So i interrupted the process.

Please give me your suggestions to fix this issue.. Thanks in advance