Hi!I'm having an Out of memory exception (and consequently application death) that I can't figure out why it happens. I suspect it's because I'm assuming something about the WO behaviour that is not correct (as usual).
The problem is this: I have an action that creates some test data. Depending on the parameters I feed on the page, it may create many many objects (50k, or more). Of course, this takes time, and the request will at some point hang (ie, the browser gets an error from the adaptor) but I don't care, as this is used only during testing.
The problematic part of the code is something like this:
for( int i = 0; i < numberOfObjectsToCreate; i++ ) {
EOEditingContext theContext = ERXEC.newEditingContext();
theContext.lock();
// Create stuff here
theContext.saveChanges();
theContext.unlock();
theContext.dispose();
if( i % 50 == 0 ) {
NSLog.out.appendln("Generating object " + i + "...");
}
}
The "Create stuff here" creates and updates a few objects, nothing
very heavy.
The problem is that, if numberOfObjectsToCreate is too big, this starts getting slower and slower (more time passes between the log lines) until it eventually blows up with Out Of Memory. Currently it's dying when i is about 3100, which is not a very impressive number.
My assumption is that on every cycle, all the objects I created in the context are saved and then garbage collected. Obviously that doesn't seem to be happening. So:
1) Why? (I know I know, this is a good candidate for the "How to ask smart questions", but here it goes anyway)
2) How can I debug this? How can I know what objects are not being GCed and why?
Yours Miguel Arroz Miguel Arroz http://www.terminalapp.net http://www.ipragma.com
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