Verbeque created ZEPPELIN-4507:
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             Summary: Spaces in notebooks names
                 Key: ZEPPELIN-4507
                 URL: https://issues.apache.org/jira/browse/ZEPPELIN-4507
             Project: Zeppelin
          Issue Type: Bug
          Components: NotebookRepo
    Affects Versions: 0.9.0
            Reporter: Verbeque


Hi,

When removing duplicates named notebook zeppelin automatically add spaces in 
the notebook name. Currently my notebooks are stored under HDFS, and HDFS 
doesn't allow space in files or directory names.
By the way upgrade_notebook.sh linked to 
[https://github.com/apache/zeppelin/pull/3189] doesn't handle more than one 
level in directory path (eg: path/subdir/), and it also creates notebooks with 
spaces in names (even trailling or starting space).
If I understood well when {{zeppelin.notebook.new_format.convert}} is set to 
true, zeppelin is supposed to convert the notebook upon start, this doesn't 
work at least with HDFS. And  finally notebook_authorization.json isn't handled 
at all.



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