1918090 - Custom external adapter fails to start when getting error 400809

While trying to start a custom external adapter the user may see error 400809 followed by error 400803:

<TIMESTAMP> ERROR [main] (AdapterConfig.validateModuleClassPath) Error code:400809, Severity : 3 (Error)
Error message:The module MyServerSocketInTransporter is invalid: its classpath cannot be found.
Error description:The module MyServerSocketInTransporter is invalid: its classpath cannot be found.

<TIMESTAMP> ERROR [main] (Framework.main) Error code:400803, Severity : 3 (Error)
Error message:The configuration file is invalid: ./adapter_config.xml
Error description:The configuration file is invalid: ./adapter_config.xml

<TIMESTAMP> INFO [main] (Framework.main) Exit program.

• ESP 5.1 SP03 or later

adapter, configuration, error code, module, modulesdefine.xml, InstanceName , KBA , BC-SYB-ESP , Sybase ESP (Event Stream Processor) , Problem