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Published Jun. 30, 2025

Failed Loading the Jackson 2 API Plugin on Jenkins Build

Written By

Ally McGill

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Issue

  • After upgrading Liferay Cloud Services from v4 to v5, we encountered the following error relating to loading the necessary plugins with the Jenkins build. 
    SEVERE: Failed Loading plugin Jackson 2 API Plugin v2.13.3-285.vc03c0256d517 (jackson2-api)
    Update required: JAXB plugin (jaxb 2.3.0) to be updated to 2.3.6-1 or higher

Environment

  • Liferay PaaS

Resolution

  • This is a known bug that occurs after an upgrade from v4 to v5. 
  • To resolve this issue: create a new volume in LCP.json (for example changing ciData to ciData2), then redeploy the CI service.
  • If the error persists, delete the CI service and redeploy it.

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