Opmanager login error after upgrade

Opmanager login error after upgrade

Yesterday I upgraded Opmanager from 7200 & above to 8050. While the installations didn't end with an error, I started receiving  "Oops looks like a few tables got corrupted. Don't worry.. Run RepairDB.bat from bin directory and restart the server" errors when I trying to login.

I tried repairdb many times, with no error messages, but that didn't solve the issue.

I found log files in \logs directory that includes many errors as below.

What should I do to repair this issue. I only have the conf folder backed up before upgrade.

09:06:51:296 AM ~~~~~~~~~~~~~~~ Logging continued ~~~~~~~~~~~~~~~ 
         -------General Information------
 Product = OpManager Version x.x
 Service Pack Version =NONE
 os name=Windows 2003
 os version=5.2
 os architecture=x86
 java version=1.5.0_11
 java vendor=Sun Microsystems Inc.
 java specification=Java Platform API Specification
 java specification version=1.5
 java vm name=Java HotSpot(TM) Client VM
 java vm information =mixed mode
 java compiler=null
 ********************************************************
         -------RDBMS related information------
 database product name = MySQL
 database product version=5.0.46-enterprise-nt
 database driver name=MySQL-AB JDBC Driver
 database driver version=mysql-connector-java-5.0.8 ( Revision: ${svn.Revision} )
 database user name=root@localhost
 database URL=jdbc:mysql://localhost:13306/OpManagerDB?dontTrackOpenResources=true
 ******************************************************
09:06:51:296 AM Messages on ********Thursday, February 4, 2010********
09:06:51:812 AM ##### PROBLEM IN INITIALIZING MODULE class com.adventnet.nms.eventdb.EventMgr #####
09:06:52:312 AM ##### PROBLEM IN INITIALIZING MODULE class com.adventnet.nms.eventdb.EventMgr #####
09:06:52:812 AM ##### PROBLEM IN INITIALIZING MODULE class com.adventnet.nms.eventdb.EventMgr #####
09:06:53:312 AM ##### PROBLEM IN INITIALIZING MODULE class com.adventnet.nms.eventdb.EventMgr #####
09:06:53:812 AM ##### PROBLEM IN INITIALIZING MODULE class com.adventnet.nms.eventdb.EventMgr #####

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