Definition api fails if resources are empty

pragya.mittal@falcon1001:~$ falcon extension -definition -extensionName extension-example
ERROR: Bad Request;Resource path cannot be null or empty

pragya.mittal@falcon1001:~$ hl -R /tmp/extensions/extension-example
/tmp/extensions/extension-example/META
/tmp/extensions/extension-example/META/config
/tmp/extensions/extension-example/README
/tmp/extensions/extension-example/libs
/tmp/extensions/extension-example/libs/build
/tmp/extensions/extension-example/libs/build/falcon-extensions-0.11-SNAPSHOT-tests.jar
/tmp/extensions/extension-example/libs/runtime
/tmp/extensions/extension-example/resources
/tmp/extensions/extension-example/resources/build
/tmp/extensions/extension-example/resources/runtime

{
   "name": "extension-example",
   "type": "Custom extension",
   "location": "hdfs://192.168.138.236:8020/tmp/extensions/extension-example"
 }