Handling destruction of empty Net objects#5588
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shelhamer merged 1 commit intoBVLC:masterfrom May 4, 2017
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Thanks for the fix! |
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This fix may still lead to error,I change the code to this, and everything gets all right: |
meixiaofeng
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May 24, 2017
I run the matlab classification_demo on windows, and I get the following error:
Warning: The following error was caught while executing 'caffe.Net' class destructor:
Error using caffe_
Could not convert handle to pointer due to invalid init_key. The object might have been cleared.
Error in caffe.Net/delete (line 72)
caffe_('delete_net', self.hNet_self);
Just like @ShaggO put it," When constructing a network, the internal object initialization of Matlab actually creates a new network and replaces the already instantiated object, causing an empty network to be deleted".But the method and change used in BVLC#5346 and PR BVLC#5588 does not work for me.Since the solver object may have already been deleted but we still reference it like this, 'self.hSolver_self '. We must check if the sovler object is still valid before deleting it.
This was referenced May 24, 2017
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The similar issue that I have encountered as follow: Error in caffe.Solver/delete (line 40) The solution to this issue as the same to @meixiaofeng way. I change the code to as follow: Finally, thx to @meixiaofeng. |
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@GuoxiaWang I changed the code as you suggested, but I ran into this error as give in link. Did you ran into this kind of issue? |
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When constructing a network, the internal object initialization of Matlab actually creates a new network and replaces the already instantiated object, causing an empty network to be deleted. This PR checks if the caffe net pointer is defined before calling the net-deletion-function in caffe_.cpp.
Fixes #5346