Saturday, March 26, 2011

Birt Viewer: Cannot load JDBC Driver class

In eclipse, I map an odbc driver  to a Birt report when I add a postgresql data source. It works fine under eclipse's web preview.Then I copy the project to the folder of birt viewer under Tomcat. 

An error message is shown : org.eclipse.birt.report.data.oda.jdbc.JDBCException: Cannot load JDBC Driver class: 

Tomcat cannot find the odbc driver of postgresql. After searching, I discover Tomcat do not share odbc drivers with eclipse, so I need to add the driver to Tomcat separately. The path is shown below: 

C:\Program Files\Apache Software Foundation\Tomcat 5.5\webapps\birt-viewer\WEB-INF\platform\plugins\org.eclipse.birt.report.data.oda.jdbc_2.6.0.v20100524


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