The application must set the CLASSPATH to include the .JAR files for z/OS Batch Runtime, the DB2® driver for JDBC (DB2 JCC), and the application. To do so, use the CLASSPATH environment variable specified in the BCDBATCH JCL procedure.

The configuration script automatically updates the CLASSPATH for z/OS Batch Runtime .jar files, based on the exported BCD_HOME variable in the BCDBATCH JCL procedure.