Hi. I am trying to run example 05_Neural_Machine_Translation, with Keras on top of Python 3.6.5 (Anaconda). Already tried both GPU and CPU versions. Keras and dependencies are installed.
Thanks in advance!
ERROR DL Python Network Creator 0:14 Execute failed: Traceback (most recent call last):
File "C:\Program Files\KNIME\plugins\org.knime.dl.keras_3.6.0.v201807091039\py\DLKerasNetwork.py", line 207, in save
self._model.save(path)
File "C:\Users\flopez\Anaconda3\lib\site-packages\keras\engine\topology.py", line 2591, in save
save_model(self, filepath, overwrite, include_optimizer)
File "C:\Users\flopez\Anaconda3\lib\site-packages\keras\models.py", line 134, in save_model
topology.save_weights_to_hdf5_group(model_weights_group, model_layers)
File "C:\Users\flopez\Anaconda3\lib\site-packages\keras\engine\topology.py", line 2962, in save_weights_to_hdf5_group
weight_values = K.batch_get_value(symbolic_weights)
File "C:\Users\flopez\Anaconda3\lib\site-packages\keras\backend\tensorflow_backend.py", line 2327, in batch_get_value
return get_session().run(ops)
File "C:\Users\flopez\Anaconda3\lib\site-packages\keras\backend\tensorflow_backend.py", line 180, in get_session
_SESSION = tf.Session(config=config)
File "C:\Users\flopez\Anaconda3\lib\site-packages\tensorflow\python\client\session.py", line 1494, in __init__
super(Session, self).__init__(target, graph, config=config)
File "C:\Users\flopez\Anaconda3\lib\site-packages\tensorflow\python\client\session.py", line 626, in __init__
self._session = tf_session.TF_NewSession(self._graph._c_graph, opts)
tensorflow.python.framework.errors_impl.InternalError: Failed to create session.
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "C:\Program Files\KNIME\plugins\org.knime.python2_3.6.0.v201807061638\py\PythonKernelBase.py", line 278, in execute
exec(source_code, self._exec_env, self._exec_env)
File "<string>", line 3, in <module>
File "C:\Program Files\KNIME\plugins\org.knime.dl.keras_3.6.0.v201807091039\py\DLKerasNetwork.py", line 209, in save
raise RuntimeError('Failed to save Keras deep learning network.') from e
RuntimeError: Failed to save Keras deep learning network.