1
votes

I'm using Azure HDInsight 4.0 (Spark 2.4). When I attempt to create a new Jupyter notebook (Spark, but I get a similar error for PySpark notebooks), I get the following error message:

Traceback (most recent call last): File "/usr/bin/anaconda/lib/python2.7/site-packages/notebook/base/handlers.py", line 457, in wrapper result = yield gen.maybe_future(method(self, *args, **kwargs)) File "/usr/bin/anaconda/lib/python2.7/site-packages/tornado/gen.py", line 1015, in run value = future.result() File "/usr/bin/anaconda/lib/python2.7/site-packages/tornado/concurrent.py", line 237, in result raise_exc_info(self._exc_info) File "/usr/bin/anaconda/lib/python2.7/site-packages/tornado/gen.py", line 1021, in run yielded = self.gen.throw(*exc_info) File "/usr/bin/anaconda/lib/python2.7/site-packages/notebook/services/contents/handlers.py", line 216, in post yield self._new_untitled(path, type=type, ext=ext) File "/usr/bin/anaconda/lib/python2.7/site-packages/tornado/gen.py", line 1015, in run value = future.result() File "/usr/bin/anaconda/lib/python2.7/site-packages/tornado/concurrent.py", line 237, in result raise_exc_info(self._exc_info) File "/usr/bin/anaconda/lib/python2.7/site-packages/tornado/gen.py", line 285, in wrapper yielded = next(result) File "/usr/bin/anaconda/lib/python2.7/site-packages/notebook/services/contents/handlers.py", line 171, in _new_untitled model = yield gen.maybe_future(self.contents_manager.new_untitled(path=path, type=type, ext=ext)) File "/usr/bin/anaconda/lib/python2.7/site-packages/notebook/services/contents/manager.py", line 338, in new_untitled return self.new(model, path) File "/usr/bin/anaconda/lib/python2.7/site-packages/notebook/services/contents/manager.py", line 364, in new model = self.save(model, path) File "/var/lib/.jupyter/jupyterazure/jupyterazure/httpfscontentsmanager.py", line 84, in save self.create_checkpoint(path) File "/usr/bin/anaconda/lib/python2.7/site-packages/notebook/services/contents/manager.py", line 459, in create_checkpoint return self.checkpoints.create_checkpoint(self, path) File "/usr/bin/anaconda/lib/python2.7/site-packages/notebook/services/contents/checkpoints.py", line 79, in create_checkpoint model = contents_mgr.get(path, content=True) File "/var/lib/.jupyter/jupyterazure/jupyterazure/httpfscontentsmanager.py", line 56, in get 'metadata': {}}) File "/var/lib/.jupyter/jupyterazure/jupyterazure/model.py", line 45, in create_model_from_blob nbformat.version_info[0]) File "/usr/bin/anaconda/lib/python2.7/site-packages/nbformat/__init__.py", line 75, in reads nb = convert(nb, as_version) File "/usr/bin/anaconda/lib/python2.7/site-packages/nbformat/converter.py", line 54, in convert "version doesn't exist" % (to_version)) ValueError: Cannot convert notebook to v5 because that version doesn't exist

After this, a new notebook does appear on the home screen, but if I try to open it I get the following popup message:

An unknown error occurred while loading this notebook. This version can load notebook formats v4 or earlier. See the server log for details.

I can create a notebook just fine on an otherwise-identical HDI 3.6 cluster, but not on 4.0. (I need 4.0 because I need to use Spark 2.4.)

Has anyone experienced/resolved this before?

1

1 Answers

1
votes

Recently, we have seen couple of questions on the same issue. You may follow the below steps to resolve the issue.

Steps to resolve this issue:

Step1: Connect to headnode via ssh and change content of file - /usr/bin/anaconda/lib/python2.7/site-packages/nbformat/_version.py, replace 5 to 4.

enter image description here

Change this to:

version_info = (4, 0, 3)

enter image description here

Step2: Restart Jupyter service via Ambari.

enter image description here

For more details, refer HDInshight Create not create Jupyter notebook

Hope this helps. Do let us know if you any further queries.