Hi Clemens, Am Samstag, den 20.08.2011, 11:54 +0200 schrieb Clemens Eisserer: > Hi Roman, > > You keep creating and adding new listeners without ever > removing them. > Of course this is going to leak. > > What makes me wonder, I add the listeners to an Action from a newly > created JTextArea.
Ah, in this case it should not leak. However, I don't know exactly what effect that reference to the enclosing stackframe has, for this it would be interesting to look at the de-assembled bytecode. Roman > Shouldn't the action belong to the JTextArea itself and be > garbage-collected too when the JTextArea is no longer reachable? (like > its the case for Listeners attached to the Component directly like > Mouse/Key/...-Listeners) > In the case of Notepad, that would mean Swing would require the > application to remove the listeners manually? > > I have to admit I don't understand the concept of Actions in detail... > > > It's not even related to the fact that > the listener references the array (although that could play a > role in > more complicated leaking scenarios) > > Sure, the array is just there to trigger the OOM faster ;). > > > Thanks, Clemens >
