Step [null] has neither a element nor a 'ref' attribute referencing a Tasklet

In the course of developing an Application with Spring Batch was once stumbled upon 'Step [null] has neither a element nor a 'ref' attribute referencing a Tasklet' exception.There was no documentation on the cause or work around for this Exception.Later identified the cause of the problem was the error in configuring the Job.In the Job Context the value for Job name was given by ref but it should have been by value.