EventService StartService Failure during startup in Cognos configuration


Cognos BI 8.4.1

Windows 2008 R2 server

Microsoft SQL server 2005


Error during start of Cognos service from Cognos configuration.

EventService StartService Failure

This is the second Cognos BI report server installed to add to a existing Cognos BI server installation to get more report processing power.

If you run a test from inside cognos configuration you get error like this:

Testing the database connection

No JDBC driver could be found in classpath

Error message:

In the cogserver.log file you will find errors like these;

CNC-SDS-0256 Unable to connect to the database using

DPR-DPR-1035 Dispatcher detected an error

problem initializing handler monitorServiceHandler

CNC-SDS-0322 Database update failed with error code ACCESS_FAILURE_UNKNOWN.

The JSM service will be aborted.


The default configuration for Cognos is to use DB2, you need to change the notification store to be using SQL server.

The Event service need access to the content store database.


Go to Cognos Configuration

Go to Data Access - Notification

Right click on Notification store and select Delete

Right click on Notification and select New Resource - Database

Enter name Notification store

Select Microsoft SQL Server database

Enter database server and port number to be the same as content store connection on first Cognos BI server.

Enter user id and password to access content store database

Enter Database name to be same as content store name.

Go to top in Cognos configuration

Click on save

Click on start the Cognos bi service.