GitHub user reminia opened a pull request:
https://github.com/apache/zeppelin/pull/2513
fix non import of java.util.Collections of branch-0.7
fix branch-0.7 compiled failure of non import of Collections in
NotebookServer.java
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/reminia/zeppelin fix-compile
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/zeppelin/pull/2513.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #2513
commit 534510f23e8a7c777d970a46af1e524812016aa0
Author: lichenyang
Date: 2017-08-01T10:56:07Z
fix non import of java.util.Collections of branch-0.7
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