Description of problem:
CLI retrieveBackingContent gives a nullPointerException for 10 minutes after resource was imported. Than it's working fine.

Version-Release number of selected component (if applicable):
3.1.0.GA

How reproducible:
Always

Steps to Reproduce:
1.have a clean JON installation with eap plugin, the eap5 is running in default profile
2.import eap5 to JON inventory
3.create a new child resource (web application) in eap5 (eap5 inventory>create child>web application)
4.find id of this web application
5.launch CLI client in interactive mode (/rhq-cli.sh -u rhqadmin -p rhqadmin)
6.execute following commands:
var webApp = ProxyFactory.getResource(10062);// put there correct resourceId
webApp.retrieveBackingContent("/tmp/webApp.war");

  
Actual results:
Wrapped java.lang.NullPointerException (<Unknown source>#1)
res.retrieveBackingContent("/tmp/neco.war") 
^

Found no errors in logs.

Expected results:
Content is saved to defined location.

Additional info:
NullPointerException is there approximately for next 10 minutes (probably until some periodical job is launched). 

Different approach to reproduce this error:
1- uninventory eap5
2- inventory eap5
3- follow previous scenario from step 4