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  1. Camel
  2. CAMEL-16480

Simple expression behavior change after 3.4->3.7 migration

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: 3.7.3, 3.8.0
    • Fix Version/s: 3.7.4, 3.10.0
    • Component/s: camel-core
    • Labels:
      None
    • Estimated Complexity:
      Unknown
    • Regression:
      Regression

      Description

      I just upgraded from camel 3.4 to 3.8. I had a logger statement as follows in my application. I was printing exchange body as follows in a log statement

      .log("API response received is ==> ${body}")

      Prior to upgrade, the above log statement prints the exchange body perfectly by evaluating ${body} expression

      However, after upgrade, it prints as following

      API response received is ==> body

       

      On further digging, just figured that if you happen to add a property with key "body", then it causes the above unexpected behavior. Attaching a screenshot which illustrates the problem with a simple camel route 

       

       This issue was also discussed on zulip - https://camel.zulipchat.com/#narrow/stream/257298-camel/topic/Upgrade.20from.203.2E4.20to.203.2E7.20.2F.2F.20Simple.20expression.20behavior 

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        1. camel-expression-bug.png
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          Hokutor

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            • Assignee:
              davsclaus Claus Ibsen
              Reporter:
              hokutor Hokutor
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              Dates

              • Created:
                Updated:
                Resolved: