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  1. Camel
  2. CAMEL-4274

MDCUnitOfWork behaviour incorrect with nested routes

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Details

    • Bug
    • Status: Resolved
    • Minor
    • Resolution: Fixed
    • 2.8.0
    • 2.8.1, 2.9.0
    • camel-core
    • None
    • Patch Available

    Description

      MDCUnitOfWork.clear() removes any content set by MDCUnitOfWork from MDC.
      If there are two separate exchange running at the same time in the same thread, as happens when a ProduceTemplate is used from Java, this is incorrect because the MDC of the parent is cleared after the child completes.
      Conceptually the MDC should be a stack, but MDC only accepts strings so the simplest thing to do is for MDCUnitOfWork to replace the previous values in clear().

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