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Support Article

NullPointerException while importing RAP file after PRPC upgrade



After upgrade from PRPC 5.5 SP1 to PRPC 6.3 SP1, an UnresolvedAssemblyError occurs while trying to import a Rule-Admin-Product(RAP) file.

Error Messages

Error: At UI” ProblemFlow pxImport ** No code generated for expression”

2015-02-06 15:37:09,780 [ WebContainer : 4] [ent-Import] [your_ruleset] (Accel_Management_Import.Action) ERROR your_server | your_Operator - Unable to persist import selections -- check logs for details.
at com.pegarules.generated.activity.ra_action_pxupdateinventoryselections_16b95489716be2e65b5c2a246ead2c02.step1_circum0(
at com.pegarules.generated.activity.ra_action_pxupdateinventoryselections_16b95489716be2e65b5c2a246ead2c02.perform(
at com.pega.pegarules.session.internal.mgmt.Executable.doActivity(
at com.pega.pegarules.session.internal.mgmt.base.ThreadRunner.runActivitiesAlt(
at com.pega.pegarules.session.internal.mgmt.PRThreadImpl.runActivitiesAlt(

Steps to Reproduce

Import the RAP file after upgrading to PRPC 6.3 SP1.

Root Cause

When upgrading from PRPC 5.5 SP1 to PRPC 6.3 SP1, the records of cache tables in database were not purged.


Clear the cache tables in the database.

Published January 31, 2016 - Updated October 8, 2020

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