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Messages - Ravi

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CentOS 6 Problems / Could not select database root_cwp
« on: October 16, 2017, 09:16:37 AM »
 After upgrading MySQL server from 5.1 to 5.5 CWP stopped working.

Its giving me following error.

Could not select database root_cwp

CentOS 6 Problems / Re: CentOS6 Upgrade
« on: October 15, 2017, 10:23:56 AM »
Hello Support,

I wanted to update the CWP version and I went ahead and upgraded the MySQL first, following below KB.

I applied following commands.

cd /usr/local/src

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[root@www src]# sh
Loaded plugins: fastestmirror, replace
Loading mirror speeds from cached hostfile
 * base:
 * extras:
 * rpmforge:
 * updates:
 * webtatic:
repo id                                  repo name                                                        status
base                                     CentOS-6 - Base                                                  6706
extras                                   CentOS-6 - Extras                                                  46
rpmforge                                 RHEL 6 - - dag                                      4718
updates                                  CentOS-6 - Updates                                                722
webtatic                                 Webtatic Repository EL6 - x86_64                                  362

After this MYSQL server stopped with following error.

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[root@www src]# service mysqld start
MySQL Daemon failed to start.
Starting mysqld:                                           [FAILED]

I went ahead and checked the  yum history, and noticed that there are 2 versions of MySQL.

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Warning: RPMDB altered outside of yum.
** Found 2 pre-existing rpmdb problem(s), 'yum check' output follows:
mysql55w-5.5.57-1.w6.x86_64 has installed conflicts mysql < ('0', '5.5', None): mysql-5.1.73-8.el6_8.x86_64
mysql55w-libs-5.5.57-1.w6.x86_64 has installed conflicts mysql-libs < ('0', '5.5', None): mysql-libs-5.1.73-8.el6_8.x86_64

and MySQL version shows the following output.

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[root@www src]# mysql --version
mysql  Ver 14.14 Distrib 5.5.57, for Linux (x86_64) using readline 5.1

I checked the MYSQL logs and it gave following output.

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171015  5:41:01 [Note] /usr/libexec/mysqld: Normal shutdown

171015  5:41:01 [Note] Event Scheduler: Killing the scheduler thread, thread id 1
171015  5:41:01 [Note] Event Scheduler: Waiting for the scheduler thread to reply
171015  5:41:01 [Note] Event Scheduler: Stopped
171015  5:41:01 [Note] Event Scheduler: Purging the queue. 1 events
171015  5:41:01  InnoDB: Starting shutdown...
171015  5:41:22  InnoDB: Shutdown completed; log sequence number 1 2391391413
171015  5:41:22 [Note] /usr/libexec/mysqld: Shutdown complete

171015 05:41:22 mysqld_safe mysqld from pid file /var/run/mysqld/ ended

MySQL upgrade also failed with the error.

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[root@www log]# mysql_upgrade -u roor -p
Enter password:
Looking for 'mysql' as: mysql
Looking for 'mysqlcheck' as: mysqlcheck
Error: Failed while fetching Server version! Could be due to unauthorized access.
FATAL ERROR: Upgrade failed

I am stuck with the stopped MySQL serer.

Please assist.

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