Hi I found a bug in LAS_url_label.jnl while dealing with mysql database, the same script in in old las v7 is working fine...you can confirm it using default insitu demo datasets.
here is a log
LAS 2013-10-09T18:35:26.482 +0530 INFO - FerretBackendService - Wed Oct 09 18:35:26 IST 2013:START: Plot_insitu_XY_locations
LAS 2013-10-09T18:35:26.608 +0530 ERROR - FerretBackendService - Wed Oct 09 18:35:26 IST 2013:Ferret backend request failed: An error occurred in the service that was creating your product.
LAS 2013-10-09T18:35:26.609 +0530 INFO - FerretBackendService - Wed Oct 09 18:35:26 IST 2013:END: Plot_insitu_XY_locations
LAS 2013-10-09T18:35:26.640 +0530 ERROR - LASAction - An error occurred in the service that was creating your product.
LAS 2013-10-09T18:35:26.640 +0530 ERROR - LASAction - **ERROR: command syntax: DATASET_URL_LAB = ???
DEFINE SYMBOL dataset_url_lab =
Command file, command group, or REPEAT execution aborted
ERROR RUNNING SCRIPT
go "$1"