How to Use the BIRT sample program to connect to the Oracle database

How to Use the BIRT sample program to connect to the Oracle database and use BIRT for a report, which can be displayed during production and debugging, but cannot be displayed in the birt sample program and cannot be connected to the database, it is estimated that there is no Oracle driver, but there is no idea where the driver is. When www.2cto.com was originally debugged, I put the Oracle Driver (JDBC) file classes12.jar in the directory eclipse/plugins/org. eclipse. birt. report. data. oda. under jdbc_2.3.1.v20080827/drivers, where is the sample program? In fact, it is also very simple, as long as the file copy to WebViewerExample/WEB-INF/lib. Sample program use steps: www.2cto.com 1, download the sample package, the package in the birt-runtime-4_2_0 directory has a WebViewerExample directory; 2, copy the file classes12.jar to WebViewerExample/WEB-INF/lib directory; 3. Replace test in the WebViewerExample directory with a prepared report file. rptdesign; 4. copy the files under the WebViewerExample directory to the webapps directory under the tomcat server, and change a simple name, such as birt; 5. Enter an IP address in the browser (for example: http: // 10.178.40.196: 8080/birt.