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Published Sep. 10, 2025

Data providers lead to NPEs during a DXP 7.0 to DXP 7.2 upgrade

Written By

Kanchan Bisht

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Issue

  • A Data Provider configured in DXP 7.0 can lead to NullPointerExceptions when upgrading to DXP 7.2
  • Steps to reproduce:
    1. Start Liferay DXP 7.0 server
    2. Navigate to Forms -> Data Providers -> Add REST Data Provider
    3. Fill out the Data Provider and Save
    4. Shutdown the DXP 7.0 bundle
    5. Configure a Liferay DXP 7.2 bundle to upgrade the DXP 7.0 database
    6. Perform the upgrade
    Expected Behavior: The upgrade should complete without issue
    Observed Behavior: The com.liferay.dynamic.data.mapping.service module fails to upgrade with the following stack trace 
    INFO  [main][UpgradeProcess:107] Failed upgrade process com.liferay.dynamic.data.mapping.internal.upgrade.v1_1_1.UpgradeDataProviderInstance in 2 ms
INFO - Failed upgrade process com.liferay.dynamic.data.mapping.internal.upgrade.v1_1_1.UpgradeDataProviderInstance in 2 ms
ERROR [main][ReleaseManagerOSGiCommands:144] Failed upgrade process for module com.liferay.dynamic.data.mapping.service
com.liferay.portal.kernel.upgrade.UpgradeException: java.lang.NullPointerException
	at com.liferay.portal.kernel.upgrade.UpgradeProcess.upgrade(UpgradeProcess.java:101)
	at com.liferay.portal.kernel.upgrade.UpgradeProcess.upgrade(UpgradeProcess.java:137)
	at com.liferay.portal.upgrade.internal.executor.UpgradeExecutor$UpgradeInfosRunnable.run(UpgradeExecutor.java:159)
	at com.liferay.portal.output.stream.container.internal.OutputStreamContainerFactoryTrackerImpl.runWithSwappedLog(OutputStreamContainerFactoryTrackerImpl.java:121)
	at com.liferay.portal.upgrade.internal.executor.UpgradeExecutor.executeUpgradeInfos(UpgradeExecutor.java:110)
	at com.liferay.portal.upgrade.internal.executor.UpgradeExecutor.execute(UpgradeExecutor.java:87)
	at com.liferay.portal.upgrade.internal.release.osgi.commands.ReleaseManagerOSGiCommands.execute(ReleaseManagerOSGiCommands.java:141)
	at com.liferay.portal.upgrade.internal.registry.UpgradeStepRegistratorTracker$UpgradeStepRegistratorServiceTrackerCustomizer.addingService(UpgradeStepRegistratorTracker.java:174)
	at com.liferay.portal.upgrade.internal.registry.UpgradeStepRegistratorTracker$UpgradeStepRegistratorServiceTrackerCustomizer.addingService(UpgradeStepRegistratorTracker.java:91)

Environment

  • Liferay DXP 7.2

Resolution

  • The observed behavior is a known issue that has been addressed in fix pack dxp-2 and above.
  • If the hotfix is required for this issue, please create a support ticket requesting the hotfix by attaching the patch details.
  • Installing Fix Packs and Hotfixes on Liferay DXP will guide you to install the Fixpack/Hotfix in your environment.

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