hangc0276 opened a new pull request #13984:
URL: https://github.com/apache/pulsar/pull/13984


   ### Motivation
   For `broker.conf` and `proxy.conf`, if user configure value string which 
contains blank prefix or suffix, it will parse failed for related configuration 
and cause broker startup failed. 
   
   For example, if user configure the `metadataStoreUrl="   
zk:my-zk-1:2181,my-zk-2:2181,my-zk-3:2181    "`, we will connect to zookeeper 
server failed due to the blank suffix, and it's hard to debug.
   
   
   ### Modifications
   
   1. Trim the value string on PulsarConfigurationLoader load process.
   
   ### Verifying this change
   
   - [ ] Make sure that the change passes the CI checks.
   
   *(Please pick either of the following options)*
   
   This change is a trivial rework / code cleanup without any test coverage.
   
   *(or)*
   
   This change is already covered by existing tests, such as *(please describe 
tests)*.
   
   *(or)*
   
   This change added tests and can be verified as follows:
   
   *(example:)*
     - *Added integration tests for end-to-end deployment with large payloads 
(10MB)*
     - *Extended integration test for recovery after broker failure*
   
   ### 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 / no)
     - The public API: (yes / no)
     - The schema: (yes / no / don't know)
     - The default values of configurations: (yes / no)
     - The wire protocol: (yes / no)
     - The rest endpoints: (yes / no)
     - The admin cli options: (yes / no)
     - Anything that affects deployment: (yes / no / don't know)
   
   ### Documentation
   
   Check the box below or label this PR directly (if you have committer 
privilege).
   
   Need to update docs? 
   
   - [ ] `doc-required` 
     
     (If you need help on updating docs, create a doc issue)
     
   - [x] `no-need-doc` 
     
     (Please explain why)
     
   - [ ] `doc` 
     
     (If this PR contains doc changes)
   
   
   


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