camel-ftp from windows to linux fails with error message File operation failed: 550 Failed to change directory. Cannot change directory to: \. Code: 550

  <camel:camelContext   xmlns="http://camel.apache.org/schema/spring" >
         <camel:route>
             <from uri="file://C:/work/ftpTest"/>
             <to uri="ftp://user@ftphost/test?password=password&amp;separator=UNIX"/>
    </camel:route>

  </camel:camelContext>