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  1. CDAP
  2. CDAP-10336

When an ETL App is in the old config, CDAP UI shows an empty page

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 3.4.0
    • Fix Version/s: 3.4.0
    • Component/s: Pipelines, UI
    • Labels:
      None
    • Release Notes:
      Current CDAP UI doesn't support pipelines created using old hydrator. Shows appropriate information to upgrade the pipeline to be able to view it in UI.
    • Rank:
      1|hzz8xj:

      Description

      If you click on an existing ETL pipeline (app) that was written or built with an earlier config format, the current UI doesn't convert it or show it. Instead, it shows you a very user-unfriendly blank screen.

      It would be better if at least it showed a message stating what the problem yet.
      It could link to information on how to upgrade the app so that it would work.

      Better yet would be to support the old version, perhaps by converting it on the fly (we do have a tool that does that!)...see

      http://docs.cask.co/cdap/3.4.0-SNAPSHOT/en/cdap-apps/hydrator/upgrade.html

      If a backend endpoint was added, then the UI could offer to convert the old pipeline config.

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            • Assignee:
              ajai Ajai Narayan
              Reporter:
              John John Jackson
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              Dates

              • Created:
                Updated:
                Resolved: