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https://issues.apache.org/jira/browse/BEAM-9335?focusedWorklogId=390266&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-390266
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ASF GitHub Bot logged work on BEAM-9335:
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                Author: ASF GitHub Bot
            Created on: 20/Feb/20 21:25
            Start Date: 20/Feb/20 21:25
    Worklog Time Spent: 10m 
      Work Description: ihji commented on issue #10900: [BEAM-9335] update 
hard-coded coder id when translating Java external transforms
URL: https://github.com/apache/beam/pull/10900#issuecomment-589326145
 
 
   @robertwb Namespace prefix only works for the components which are 
originally created in the expansion service. The problem is that the components 
passed from the expansion request could be used in expanded components. For 
example, when input PCollection to the expansion service uses the same coder as 
any intermediate PCollection in the expanded subtransforms, the coder id 
specified in the input PCollection will be hard-coded in the expanded 
intermediate PCollection. That hard-coded coder id could be changed anytime 
later in the new proto translation and resulted in a wrong coder.
 
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 390266)
    Time Spent: 0.5h  (was: 20m)

> update hard-coded coder id when translating Java external transforms
> --------------------------------------------------------------------
>
>                 Key: BEAM-9335
>                 URL: https://issues.apache.org/jira/browse/BEAM-9335
>             Project: Beam
>          Issue Type: Bug
>          Components: java-fn-execution
>            Reporter: Heejong Lee
>            Assignee: Heejong Lee
>            Priority: Major
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> hard-coded coder id needs to be updated when translating Java external 
> transforms. Otherwise pipeline will fail if coder id is reused.



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