Created attachment 453147 [details]
screenshot

Description of problem:
Double click on 'Import' of 'Discovery Queue' gives - Failed to import resources.

Server log:
2010-10-13 14:47:11,753 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[localhost].[/coregui]] Exception while dispatching incoming RPC call
com.google.gwt.user.server.rpc.UnexpectedException: Service method 'public abstract void org.rhq.enterprise.gui.coregui.client.gwt.ResourceGWTService.importResources(java.lang.Integer[])' threw an unexpected exception: java.lang.RuntimeException: javax.ejb.EJBException:java.lang.IllegalArgumentException: Can only commit resources with status: [COMMITTED] -> java.lang.IllegalArgumentException:Can only commit resources with status: [COMMITTED]
        at com.google.gwt.user.server.rpc.RPC.encodeResponseForFailure(RPC.java:378)
        at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:581)
...


Note: 'Import button is enable even there isn't any resource in 'Discovery Queue'  and on-click of 'Import' RHQ gives message - Successfully imported the selected resources

Version-Release number of selected component (if applicable):
RHQ-Master build#409
http://hudson-qe.rhq.rdu.redhat.com:8080/view/RHQ/job/ci-rhq-master/409/

How reproducible:
Always

Steps to Reproduce:
1) Install RHQ Server
2) Log-in to RHQ
3) Install RHQ Agent (wait for some time to discover resources)
4) Double click on 'Import' button of 'Discovery Queue' 
  
Actual results:
Double click on 'Import' of 'Discovery Queue' gives - Failed to import resources.

Expected results:
After single click of 'Import', RHQ should disable the 'Import' button until new resource(s) not discovered. 

Additional info:
Please refer attachment for screenshot and server log.