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NPE when using mask arrays in a network with StackVertex #6490
Using deeplearning4j v1.0.0-beta2., I get the following crash immediately upon trying to fit a ComputationGraph with multiple inputs (each specified with a mask) and containing a StackVertex.
In particular it is
I've noticed in the implementation of
The error seems to be independent of whether or not I have null entries in the mask array I specify in my MultiDataSets - it simply occurs whenever and however I use masks. The network works OK without masks, but I'd like it to take into account variable-length time series.
Thanks for any insights!
@AlexDBlack Thanks for nudging me on this, I'd forgotten to get back. I investigated this a bit more and realised it is due to a second
Here is the simplest reproducing example I could make: