I am using version 1.9.0 of the REDHAWK IDE on CentOS 6.5 and ran software updates today, made up of OpenJDK updates.
Before the updates, I was able to see the sandbox a
I had the same issue, and ended up fixing it by commenting out the following line in the eclipse.ini file:
#-Dorg.omg.CORBA.ORBClass=org.jacorb.orb.ORB
For other people looking at this, I went through the basic example in the Getting Started and the plot window would flash and go away. It is related to that line in the accepted answer.