My guess would be that qx.data.Array is being disposed twice, but without a stack trace it’s impossible to know - please can you put together a playground example?
Regards John On 06/03/2016, 22:23, "voger" <vogernewslett...@yahoo.gr> wrote: >I am using qx.util.fsm.FiniteStateMachine to describe the behaviour of >the "miniapps" that compose the app I am developing. So far I have used >it in one and it works great. The problem is I don't know how to dispose >it. When I close the the "miniapp" in the destructor of that class I have > > this._fsm.dispose(); > >but I get exception > >"Uncaught TypeError: Cannot read property 'length' of null" > >So how can I dispose the fsm? > >------------------------------------------------------------------------------ >_______________________________________________ >qooxdoo-devel mailing list >qooxdoo-devel@lists.sourceforge.net >https://lists.sourceforge.net/lists/listinfo/qooxdoo-devel ------------------------------------------------------------------------------ Transform Data into Opportunity. Accelerate data analysis in your applications with Intel Data Analytics Acceleration Library. Click to learn more. http://makebettercode.com/inteldaal-eval _______________________________________________ qooxdoo-devel mailing list qooxdoo-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/qooxdoo-devel