PChou opened a new pull request #14891:
URL: https://github.com/apache/flink/pull/14891


   …lication mode, for both k8s and yarn
   
   
   ## What is the purpose of the change
   
   Makes application mode support `-C` option correctly
   
   ## Brief change log
   
   ClassPathPackagedProgramRetriever support merge *pipeline.classpaths* and 
userClassPath, that let pipeline.classpaths visible by the "user program" 
ClassLoader
   kubernetes and yarn ClusterEntry for application mode fetch configuration of 
*pipeline.classpaths* and pass the URL collection to 
ClassPathPackagedProgramRetriever
   
   ## Verifying this change
   
   Reproduce: 
   
   Submitting an application that dependencies need pass through `-C` should 
throw *ClassNotFoundException*. This usage works when old mode(user program 
execute in client), but failed in application mode(user program execute in 
jobmanager)
   
   Fix:
   
   After patched, that will be ok!
   
   ## Does this pull request potentially affect one of the following parts:
   
     - Dependencies (does it add or upgrade a dependency):  no
     - The public API, i.e., is any changed class annotated with 
`@Public(Evolving)`:  no
     - The serializers: no
     - The runtime per-record code paths (performance sensitive): no
     - Anything that affects deployment or recovery: JobManager (and its 
components), Checkpointing, Kubernetes/Yarn/Mesos, ZooKeeper: yes
     - The S3 file system connector: no
   
   ## Documentation
   
     - Does this pull request introduce a new feature?  no


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