Delete Image 2

[jburel]

Try to delete an image, this time no projection related to it.

java.lang.Exception: org.openmicroscopy.shoola.env.data.DSAccessException: Cannot access data. 
Cannot delete the image: omero.rtypes$RLongI@ca
	at org.openmicroscopy.shoola.env.data.OMEROGateway.handleException(OMEROGateway.java:336)
	at org.openmicroscopy.shoola.env.data.OMEROGateway.deleteImage(OMEROGateway.java:4397)
	at org.openmicroscopy.shoola.env.data.OmeroDataServiceImpl.delete(OmeroDataServiceImpl.java:209)
	at org.openmicroscopy.shoola.env.data.OmeroDataServiceImpl.delete(OmeroDataServiceImpl.java:1339)
	at org.openmicroscopy.shoola.env.data.views.calls.DataObjectRemover$1.doCall(DataObjectRemover.java:75)
	at org.openmicroscopy.shoola.env.data.views.BatchCall.doStep(BatchCall.java:145)
	at org.openmicroscopy.shoola.util.concur.tasks.CompositeTask.doStep(CompositeTask.java:226)
	at org.openmicroscopy.shoola.env.data.views.CompositeBatchCall.doStep(CompositeBatchCall.java:126)
	at org.openmicroscopy.shoola.util.concur.tasks.ExecCommand.exec(ExecCommand.java:165)
	at org.openmicroscopy.shoola.util.concur.tasks.ExecCommand.run(ExecCommand.java:274)
	at org.openmicroscopy.shoola.util.concur.tasks.AsyncProcessor$Runner.run(AsyncProcessor.java:91)
	at java.lang.Thread.run(Thread.java:613)
Caused by: omero.InternalException
    serverStackTrace = "ome.conditions.InternalException:  Wrapped Exception: (java.lang.NullPointerException):
                        null
                        	at ome.services.delete.DeleteBean$5.call(DeleteBean.java:286)
                        	at ome.services.delete.DeleteBean$5.call(DeleteBean.java:283)
                        	at ome.model.core.Image.collectPixels(Image.java:417)
                        	at ome.services.delete.DeleteBean.collect(DeleteBean.java:281)
                        	at ome.services.delete.DeleteBean$4.runAsAdmin(DeleteBean.java:270)

[jmoore]

r3561 closes. Related to #1170.