Probable Cause: The system cannot open the source channel. This error can occur in many scenarios, such as a capture source test or the automatic generation of layout fields from a database. The error message includes additional information that points to the cause, for example, The database connection for the input source cannot be opened.
Resolution: See the cause error message for detail information. Review and correct the stated problem and then repeat the task that resulted in this error.
The following resolutions cover many of the causes for this error :
•For a database driver class loader error, verify that the necessary .jar files are deployed to the application server.
•For an invalid login, ensure that you use the correct user ID and password.
•If the system cannot find the specified file, verify that the path is correct.
•For a database connection error, verify that the JNDI or JDBC connection information is correct.
•For an unknown server error, ensure that the hostname in the URL is a valid server.
•If the system cannot open the source channel for a JNDI connection, ensure that the JNDI data source name is defined to the application server.