Editor

The short answer is that the gray area that you are seeing in lower bottom of the window is actually the editor area (aka document area) and you can hide it by adding run.args.extra=-J-Dnetbeans.winsys.hideEmptyDocArea=true to your platform.properties file. Or by calling System.setProperty("netbeans.winsys.hideEmptyDocArea", "true"); from one of your module’s Installers. That’s all you need to know but if you are interested on getting some details and references continue reading. If you create a new Netbeans RCP application and only add TopComponents to modes other than editor (modes which kind=“view”) then you will end up with an empty document area (could be at the bottom, top, left, right or in between TopComponents depending which modes you placed the TCs on). But first, you ask, how do I assign TopComponents to modes? Well you do that in the new Window wizard for example ...

If you create the persistence.xml manually in Windows the file will be created with CRLF line endings (windows style line endings), that will prevent Netbeans for recognizing- Netbeans will not recognize it as the special file it is and won’t be able to to open it with the special/custom visual editor. [/caption] I opened an bug report netbeans issue #172538. At the beginning, I thought the problem was due to different line ending CRLF vs LF issues, but as pointed out in the bug report the line ending has nothing to do with it. It’s just the IDE restart what is needed, no need to change the line endings. ...