issue_comments: 572332890
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| html_url | issue_url | id | node_id | user | created_at | updated_at | author_association | body | reactions | performed_via_github_app | issue |
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| https://github.com/pydata/xarray/issues/3668#issuecomment-572332890 | https://api.github.com/repos/pydata/xarray/issues/3668 | 572332890 | MDEyOklzc3VlQ29tbWVudDU3MjMzMjg5MA== | 3922329 | 2020-01-09T01:07:39Z | 2020-01-09T01:22:53Z | NONE | Here is the stacktrace (somewhat abbreviated). Looks like a deserialization problem. As far as I can see from the Dask status dashboard and worker logs, ``` distributed.protocol.pickle - INFO - Failed to deserialize b'\x80\x04\x95\x92\x13\x01\x00\x00\x00\x00\x00\x8c\x13xarray.core.dataset\x94\x8c\x07Dataset\x94\x93\x94)\x81\x94 ... ... KeyErrorTraceback (most recent call last) ~/miniconda3/lib/python3.6/site-packages/zarr/hierarchy.py in init(self, store, path, read_only, chunk_store, cache_attrs, synchronizer) 109 mkey = self._key_prefix + group_meta_key --> 110 meta_bytes = store[mkey] 111 except KeyError: ~/miniconda3/lib/python3.6/site-packages/zarr/storage.py in getitem(self, key) 726 else: --> 727 raise KeyError(key) 728 KeyError: '.zgroup' During handling of the above exception, another exception occurred: ValueErrorTraceback (most recent call last) <ipython-input-60-5c7db35096c7> in <module> 6 chunks={} 7 ) ----> 8 ds = dask.compute(dask.delayed(_xr.open_zarr)('/sciserver/filedb02-01/ocean/LLC4320/SST',**open_kwargs))[0] ... ~/miniconda3/lib/python3.6/site-packages/distributed/protocol/pickle.py in loads(x) 57 def loads(x): 58 try: ---> 59 return pickle.loads(x) 60 except Exception: 61 logger.info("Failed to deserialize %s", x[:10000], exc_info=True) ~/miniconda3/lib/python3.6/site-packages/zarr/hierarchy.py in setstate(self, state) 269 270 def setstate(self, state): --> 271 self.init(*state) 272 273 def _item_path(self, item): ~/miniconda3/lib/python3.6/site-packages/zarr/hierarchy.py in init(self, store, path, read_only, chunk_store, cache_attrs, synchronizer) 110 meta_bytes = store[mkey] 111 except KeyError: --> 112 err_group_not_found(path) 113 else: 114 meta = decode_group_metadata(meta_bytes) ~/miniconda3/lib/python3.6/site-packages/zarr/errors.py in err_group_not_found(path) 27 28 def err_group_not_found(path): ---> 29 raise ValueError('group not found at path %r' % path) 30 31 ValueError: group not found at path '' |
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