uitable run in loop causes java out of memory and crashes

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Daphne
Daphne 2013-9-10
评论： John Anderson 2013-11-25
I am generating figures in a loop, including plots and a uitable (30x13). Using MATLAB 2012b and a Win 7 64bit PC with 8GB RAM. I have added pauses before the uitable and that brought me up to 200 loops possible, but still crashes. Running more figures results in several lines of error (java & memory related). I cannot copy the errors, as the matlab usually hangs then and just closes...
Any ideas?
  1 个评论
John Anderson
John Anderson 2013-11-25
I am having a similar problem. I am publishing a file that generates a large number of figures containing uitables although only displaying one at a time. I experience a java memory error (java.lang.OutOfMemoryError: Java heap space) and Matlab hangs or becomes sluggish. I have taken a look at the amount of free memory avilable between figures via a call to java.lang.Runtime.getRuntime.freeMemory and this tends to decrease over time, even though the figures are being deleted once their contents have been published. I guess this reflects an underlying memory management issue relating to uitable as this doesn't occur with other uicontrols. I'd be interested to hear any progress on resolving this issue.
John

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回答（1 个）

Jan
Jan 2013-9-10
Do you create 200 figures in a loop and leave them all open? If so, why? No human can navigate in a pile of 200 windows.
Increasing the Java Heap Space might be useful, but I assume it is much better to find a solution, which creates less figures, e.g. by re-using existing figures and uitables and updating the contents only.
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Daphne
Daphne 2013-9-10
Sorry, I didn't mention that. No, I do not generate that many figures. I open a figure, get everything on it, save it as PDF, then close it (thought close may be better than just clf).
Jan
Jan 2013-9-10
Re-using an existing figure saves a lot of resources, and after a lot of Java related problems, re-using the uitable might be even more important.

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