Migration fails: Failed to generate migration list file

Created:

2016-11-16 13:17:09 UTC

Modified:

2017-08-17 03:09:13 UTC

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Migration fails: Failed to generate migration list file

Applicable to:

  • Plesk 12.5 for Linux

Note: This article has the reference to the issue with the fix available:

  • #PMT-2105 "When a domain on a source server was associated with several IPs of the same type, the migration list was not generated and an unclear error message was displayed."
    Fixed in:
Please consider updating your server:

Symptoms

Migration fails with the following error in /usr/local/psa/var/modules/panel-migrator/sessions/<date>/debug.log :

File "/usr/local/psa/admin/plib/modules/panel-migrator/backend/lib/python/parallels/core/dump/data_model.py", line 38, in parse_plesk_ips
assert 0 <= len(ipv4) <= 1
AssertionError

MigrationError: Failed to generate migration list file

Cause

This is Plesk internal issue #PMT-2105 , which has already been fixed.

Resolution

Reinstall Plesk Migrator in Tools and Settings > Updates and Upgrades or from the Extensions Catalog so that it is updated to the recent version

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