PMM utility "migration_handler" raises an exception. Error code is: 1

Created:

2016-11-16 13:22:19 UTC

Modified:

2017-08-16 17:07:31 UTC

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PMM utility "migration_handler" raises an exception. Error code is: 1

Applicable to:

  • Plesk 11.x for Linux
  • Plesk 12.0 for Linux

Symptoms

Migration fails with an error message:

pmm utility 'migration_handler' raised an exception. Error code is: 1
See pmmcli.log to find out detailed information on this

Cause

Backup failure on the source server.

Resolution

To troubleshoot the issue, use the following steps:

  1. Upload the proper migration agent and its modules to the source server. For example, if you are transferring data from a Plesk server, you need to upload these files:

    /usr/local/psa/PMM/agents/shared/*
    /usr/local/psa/PMM/agents/PleskX/*

    Use the following command to copy the agent and its modules to the source server:

    destination ~# scp -r /usr/local/psa/PMM/agents/shared/* /usr/local/psa/PMM/agents/PleskX/* root@source:/temporary_migration_directory/
  2. Login to the source server and go to the /temporary_migration_directory. Then, run:

    temporary_migration_directory ~# chmod 755 PleskX.pl
    temporary_migration_directory ~# ./PleskX.pl -da -co -vvvvvv >> migration.log 2>&1

You will then be able to find a more detailed error message in /temporary_migration_directory/migration.log

Check the following article, if this detailed error message matches:

213365649 Cannot perform migration: not well-formed (invalid token)

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