Drop graph not working


Hi all. 
I'm creating dynamic graphs using configuredGraphFactory in bigTable. I'm able to create them but when I try to delete them then it seems that they only get deleted from janusgraph-server and not from bigTable.
When I try to access the graph it says graph doesnt exists.. but I can still see it in the bigTable. When I try to manually delete the graph from BigTable server throw error like graph not found.
I used below cmd to delete the graph 
> ConfiguredGraphFactory.drop('graph_name') 



Thanks for your report. Can you please provide the following details:
  1. Which version of JanusGraph do you use?
  2. Are you sure you did not set the storage.drop-on-clear property to false?
  3. Do you have permissions to drop the table manually with hbase shell?