Reputation: 31
I've made a Keras model but the error: "ValueError: No variables to save" keeps appearing and I don't know what it means and what's causing the problem.
I tried to change the way of storing the Keras model but it seems like that's not the problem...
The code beneath is the part after building the Keras model.
tensorboard_callback = TensorBoard(log_dir = log_path, write_graph = True, embeddings_freq = 'batch')
es_min_valLoss = EarlyStopping(monitor = 'val_loss', patience = 15, mode = 'min')
model.compile(loss='categorical_crossentropy', optimizer='adam', metrics=['accuracy'])
train_history=model.fit(x = trainData, y = trainLabels, validation_split = validation_split,
epochs = epochs, batch_size = batch_size, verbose = 2,
callbacks=[tensorboard_callback, es_min_valLoss])
The error message looks like this:
Traceback (most recent call last):
File "<ipython-input-27-9694f30344b3>", line 9, in <module>
callbacks=[tensorboard_callback, es_min_valLoss])
File "D:\Anaconda3\envs\tensorflow-gpu\lib\site-packages\keras\models.py", line 1002, in fit
validation_steps=validation_steps)
File "D:\Anaconda3\envs\tensorflow-gpu\lib\site-packages\keras\engine\training.py", line 1705, in fit
validation_steps=validation_steps)
File "D:\Anaconda3\envs\tensorflow-gpu\lib\site-packages\keras\engine\training.py", line 1155, in _fit_loop
callbacks.set_model(callback_model)
File "D:\Anaconda3\envs\tensorflow-gpu\lib\site-packages\keras\callbacks.py", line 52, in set_model
callback.set_model(model)
File "D:\Anaconda3\envs\tensorflow-gpu\lib\site-packages\keras\callbacks.py", line 802, in set_model
self.saver = tf.train.Saver(list(embeddings.values()))
File "D:\Anaconda3\envs\tensorflow-gpu\lib\site-packages\tensorflow\python\training\saver.py", line 832, in __init__
self.build()
File "D:\Anaconda3\envs\tensorflow-gpu\lib\site-packages\tensorflow\python\training\saver.py", line 844, in build
self._build(self._filename, build_save=True, build_restore=True)
File "D:\Anaconda3\envs\tensorflow-gpu\lib\site-packages\tensorflow\python\training\saver.py", line 869, in _build
raise ValueError("No variables to save")
ValueError: No variables to save
Upvotes: 1
Views: 405