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Cross-Version Migration between 23.8 and 20.4 Fails at Unpackage Step with Error 'Unrecognized field migrationUrl' (Doc ID 2988234.1)

Last updated on NOVEMBER 20, 2023

Applies to:

Siebel CRM - Version 23.8 and later
Information in this document applies to any platform.


Cross-version synchronous migration between 23.8 Siebel ( Source environment) and 20.4 Siebel ( Target environment) fails at 'unPackage' step.

Asynchronous migration works without any issues.

Errors seen in migration.log:

[ERROR] 2023-09-26 11:23:30.614 [pool-7-thread-1] Migration - com.siebel.migration.server.Transaction:invokeRestCall Error Response from Server: Unrecognized field "migrationUrl" (class com.siebel.migration.migrationagent.PackageFileIdentifier), not marked as ignorable (4 known properties: "migrationid", "sharedPath", "zipFile", "operation"]) at [Source: (String)"{"body":{"migrationid":"1-2FG1DT","migrationUrl":"https://<hostname>:<AIport>/siebel/v1.0/MigrationFilePrepareAndDeploy/unPackage","zipFile":"","operation":"unzip"}}"; line: 1, column: 51] (through reference chain: com.siebel.migration.migrationagent.MigrationPackageFile["body"]->com.siebel.migration.migrationagent.PackageFileIdentifier["migrationUrl"])

The issue can be reproduced at will with the following steps:
1. Create FullMigCompatibilityMode0 - Workflow - MAIN on DR environment and FullMigCompatibilityMode1 - Task - MAIN on DR environment as per Siebel Bookshelf Guide- Managing Cross Version Migration.
2. Execute CleanUpTaskDR on RR environment
3. Run Synchronous Full Migration  from DR to RR as per Siebel Bookshelf Guide - Migrating with Siebel migration. 
4. The process fails on step PreProcessing_Import - unPackage


 Source environment was updated to 23.8, whereas Target stayed at 20.4 Siebel.


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