Google colab : connection refused error

[AP]

Hi all,

I am trying to train built in BERT layer on google colab but getting connection refused error.

Kindly suggest possible reasons for this.

logs 

creating: createTFTrainingHelper

creating: createIdentityCriterion

creating: createTFParkSampleToMiniBatch

creating: createEstimator

creating: createMaxIteration

creating: createEveryEpoch

Streaming output truncated to the last 5000 lines.

    answer = smart_decode(self.stream.readline()[:-1])

  File "/usr/lib/python3.7/socket.py", line 589, in readinto

    return self._sock.recv_into(b)

ConnectionResetError: [Errno 104] Connection reset by peer

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

  File "/usr/local/lib/python3.7/dist-packages/py4j/java_gateway.py", line 985, in send_command

    response = connection.send_command(command)

  File "/usr/local/lib/python3.7/dist-packages/py4j/java_gateway.py", line 1164, in send_command

    "Error while receiving", e, proto.ERROR_ON_RECEIVE)

py4j.protocol.Py4JNetworkError: Error while receiving

ERROR:py4j.java_gateway:An error occurred while trying to connect to the Java server (127.0.0.1:42141)

Traceback (most recent call last):

  File "/usr/local/lib/python3.7/dist-packages/IPython/core/interactiveshell.py", line 2882, in run_code

    exec(code_obj, self.user_global_ns, self.user_ns)

  File "<ipython-input-20-ea08eebe72cc>", line 1, in <module>

    estimator.train(input_fn, steps = 1)

  File "/usr/local/lib/python3.7/dist-packages/zoo/tfpark/estimator.py", line 170, in train

    opt.optimize(MaxIteration(steps))

  File "/usr/local/lib/python3.7/dist-packages/zoo/tfpark/tf_optimizer.py", line 780, in optimize

    checkpoint_trigger=checkpoint_trigger)

  File "/usr/local/lib/python3.7/dist-packages/zoo/pipeline/estimator/estimator.py", line 168, in train_minibatch

    validation_method)

  File "/usr/local/lib/python3.7/dist-packages/zoo/common/utils.py", line 133, in callZooFunc

    raise e

  File "/usr/local/lib/python3.7/dist-packages/zoo/common/utils.py", line 127, in callZooFunc

    java_result = api(*args)

  File "/usr/local/lib/python3.7/dist-packages/py4j/java_gateway.py", line 1257, in __call__

    answer, self.gateway_client, self.target_id, self.name)

  File "/usr/local/lib/python3.7/dist-packages/pyspark/sql/utils.py", line 63, in deco

    return f(*a, **kw)

  File "/usr/local/lib/python3.7/dist-packages/py4j/protocol.py", line 328, in get_return_value

    format(target_id, ".", name), value)

py4j.protocol.Py4JJavaError: <unprintable Py4JJavaError object>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

  File "/usr/local/lib/python3.7/dist-packages/py4j/java_gateway.py", line 929, in _get_connection

    connection = self.deque.pop()

IndexError: pop from an empty deque

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

  File "/usr/local/lib/python3.7/dist-packages/py4j/java_gateway.py", line 1067, in start

    self.socket.connect((self.address, self.port))

ConnectionRefusedError: [Errno 111] Connection refused

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

  File "/usr/local/lib/python3.7/dist-packages/py4j/java_gateway.py", line 929, in _get_connection

    connection = self.deque.pop()

IndexError: pop from an empty deque

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

  File "/usr/local/lib/python3.7/dist-packages/py4j/java_gateway.py", line 1067, in start

    self.socket.connect((self.address, self.port))

ConnectionRefusedError: [Errno 111] Connection refused

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

  File "/usr/local/lib/python3.7/dist-packages/py4j/java_gateway.py", line 929, in _get_connection

    connection = self.deque.pop()

IndexError: pop from an empty deque

[Jason Dai]

Maybe you can take a look at the Colab user guide at https://analytics-zoo.readthedocs.io/en/latest/doc/UserGuide/colab.html?

Thanks,

-Jason

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