[jruby] Some problems (I think) with proc bindings and memory leaks

Joe Kutner jpkutner at gmail.com
Sun Jan 14 06:04:10 JST 2018

Have you tried taking heap dumps with jmap and analyzing them in Eclipse MAT?


> On Jan 11, 2018, at 5:58 AM, david <brometeo at gmail.com> wrote:
> Hi.
> I have been testing my framework searching for memory leaks in last weeks.
> Perhaps there are many little problems, but I have found what seems to be a big
> problem with procs used for defining Swing listeners and, more strangely, used
> for defining Ruby singleton methods.
> In my work with visualvm, I see that some of the visual components are
> referenced by Binding objects that have a context I can't remove. Before doing
> a Garbage Collection, I remove defined singleton method, but after garbage
> collecting the object is not eliminated from memory, avoiding visual component
> elimination.
> Please, I need a little help with this (is it normal? if not, how can I avoid
> the problem?), because my JRuby application creates and removes many windows
> and memory leaks of this magnitude are a big user problem.
> Thank you very much.
> -- 
> David

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