[GitHub] [pulsar] addisonj opened a new pull request #5043: [zookeeper] bump zookeeper to version 3.5.5

[GitBox <gi...@apache.org>]

addisonj opened a new pull request #5043: [zookeeper] bump zookeeper to version 3.5.5
URL: https://github.com/apache/pulsar/pull/5043
 
 
   With zookeeper 3.5.5 now marked as stable and 3.5 being reccomend for
   the production branch (see https://zookeeper.apache.org/releases.html),
   this moves pulsar up to 3.5.5.
   
   Pulsar previously had 3.5.x support but was downgraded due to concerns
   of 3.5 still being a "beta", so this is a fairly simple change
   
   Fixes #4448
   
   As a follow on to this work, we should introduce new configuration options to support TLS connections to ZK.
   
   
   ### Verifying this change
   
   - [ ] Make sure that the change passes the CI checks.
   
   This change is already covered by existing tests 
   
   
   ### Does this pull request potentially affect one of the following parts:
   
   *If `yes` was chosen, please highlight the changes*
   
     - Dependencies (does it add or upgrade a dependency): yes
     - The public API: no
     - The schema: no
     - The default values of configurations: no
     - The wire protocol: no
     - The rest endpoints: no
     - The admin cli options: no
     - Anything that affects deployment: yes
   
   ### Documentation
   
     - Does this pull request introduce a new feature? no
   
   There are some references to ZK 3.4 versions of docs that may need updated to 3.5 eventually. Assuming this is accepted, we should make a follow on item to change those
   
   

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