I'm migrating a site from Drupal 6 to Drupal 8, and to prepare the migration I run drush migrate-upgrade --legacy-db-url=mysql://user:password@localhost/drupal6-db-name --legacy-root=http://drupal6-URL --configure-only.
Then when I run drush migrate-import --all I get the following output (I'll paste the whole output for full "tracking"):

Processed 1 item (1 created, 0 updated, 0 failed, 0 ignored) - done with 'upgrade_block_content_type' [status]
Processed 1 item (1 created, 0 updated, 0 failed, 0 ignored) - done with 'upgrade_d6_book_settings' [status]
Processed 3 items (3 created, 0 updated, 0 failed, 0 ignored) - done with 'upgrade_d6_date_formats' [status]
Processed 1 item (1 created, 0 updated, 0 failed, 0 ignored) - done with 'upgrade_d6_dblog_settings' [status]
Processed 1 item (1 created, 0 updated, 0 failed, 0 ignored) - done with 'upgrade_d6_file_settings' [status]
Processed 0 items (0 created, 0 updated, 0 failed, 0 ignored) - done with 'upgrade_d6_imagecache_presets' [status]
Processed 1 item (1 created, 0 updated, 0 failed, 0 ignored) - done with 'upgrade_d6_search_settings' [status]
Processed 1 item (1 created, 0 updated, 0 failed, 0 ignored) - done with 'upgrade_d6_system_cron' [status]
Processed 1 item (1 created, 0 updated, 0 failed, 0 ignored) - done with 'upgrade_d6_system_date' [status]
Processed 1 item (0 created, 0 updated, 0 failed, 1 ignored) - done with 'upgrade_d6_system_file' [status]
Processed 1 item (1 created, 0 updated, 0 failed, 0 ignored) - done with 'upgrade_d6_system_image' [status]
Processed 1 item (1 created, 0 updated, 0 failed, 0 ignored) - done with 'upgrade_d6_system_image_gd' [status]
Processed 1 item (1 created, 0 updated, 0 failed, 0 ignored) - done with 'upgrade_d6_system_logging' [status]
Processed 1 item (1 created, 0 updated, 0 failed, 0 ignored) - done with 'upgrade_d6_system_maintenance' [status]
Processed 1 item (1 created, 0 updated, 0 failed, 0 ignored) - done with 'upgrade_d6_system_performance' [status]
Processed 1 item (1 created, 0 updated, 0 failed, 0 ignored) - done with 'upgrade_d6_system_rss' [status]
Processed 1 item (1 created, 0 updated, 0 failed, 0 ignored) - done with 'upgrade_d6_system_site' [status]
Processed 13107 items (13107 created, 0 updated, 0 failed, 0 ignored) - done with 'upgrade_d6_url_alias' [status]
Processed 1 item (1 created, 0 updated, 0 failed, 0 ignored) - done with 'upgrade_d6_user_mail' [status]
Processed 1 item (1 created, 0 updated, 0 failed, 0 ignored) - done with 'upgrade_d6_user_settings' [status]
Processed 1 item (1 created, 0 updated, 0 failed, 0 ignored) - done with 'upgrade_menu_settings' [status]
Processed 1 item (1 created, 0 updated, 0 failed, 0 ignored) - done with 'upgrade_search_page' [status]
Processed 1 item (1 created, 0 updated, 0 failed, 0 ignored) - done with 'upgrade_taxonomy_settings' [status]
Processed 1 item (1 created, 0 updated, 0 failed, 0 ignored) - done with 'upgrade_text_settings' [status]
Processed 1 item (1 created, 0 updated, 0 failed, 0 ignored) - done with 'upgrade_update_settings' [status]
Processed 1 item (1 created, 0 updated, 0 failed, 0 ignored) - done with 'upgrade_block_content_body_field' [status]
Processed 29 items (29 created, 0 updated, 0 failed, 0 ignored) - done with 'upgrade_menu' [status]
Missing filter plugin: filter_null. [error]
Processed 3 items (3 created, 0 updated, 0 failed, 0 ignored) - done with 'upgrade_d6_filter_format' [status]
Processed 11 items (11 created, 0 updated, 0 failed, 0 ignored) - done with 'upgrade_d6_custom_block' [status]
Processed 60 items (60 created, 0 updated, 0 failed, 0 ignored) - done with 'upgrade_d6_user_role' [status]
Processed 251 items (29 created, 0 updated, 0 failed, 222 ignored) - done with 'upgrade_d6_block' [status]
Processed 341 items (334 created, 0 updated, 7 failed, 0 ignored) - done with 'upgrade_d6_file' [status]
Processed 0 items (0 created, 0 updated, 0 failed, 0 ignored) - done with 'upgrade_d6_user_picture_file' [status]
Processed 1 item (1 created, 0 updated, 0 failed, 0 ignored) - done with 'upgrade_user_picture_field' [status]
Processed 1 item (1 created, 0 updated, 0 failed, 0 ignored) - done with 'upgrade_user_picture_field_instance' [status]
Processed 1 item (1 created, 0 updated, 0 failed, 0 ignored) - done with 'upgrade_user_picture_entity_display' [status]
Processed 1 item (1 created, 0 updated, 0 failed, 0 ignored) - done with 'upgrade_user_picture_entity_form_display' [status]
exception 'InvalidArgumentException' with message 'Passed variable is not an array or object, using empty array instead' in [error]
/home/[user]/dev/core/modules/migrate/src/Plugin/migrate/process/Flatten.php:30
Stack trace:
#0 /home/[user]/dev/core/modules/migrate/src/Plugin/migrate/process/Flatten.php(30): ArrayIterator->__construct('')
#1 /home/[user]/dev/core/modules/migrate/src/MigrateExecutable.php(392): Drupal\migrate\Plugin\migrate\process\Flatten->transform('', Object(Drupal\migrate_tools\MigrateExecutable),
Object(Drupal\migrate\Row), 'permissions')
#2 /home/[user]/dev/core/modules/migrate/src/Plugin/migrate/process/Migration.php(132): Drupal\migrate\MigrateExecutable->processRow(Object(Drupal\migrate\Row), Array)
#3 /home/[user]/dev/core/modules/migrate/src/MigrateExecutable.php(378): Drupal\migrate\Plugin\migrate\process\Migration->transform('30', Object(Drupal\migrate_tools\MigrateExecutable),
Object(Drupal\migrate\Row), 'roles')
#4 /home/[user]/dev/core/modules/migrate/src/MigrateExecutable.php(217): Drupal\migrate\MigrateExecutable->processRow(Object(Drupal\migrate\Row))
#5 [internal function]: Drupal\migrate\MigrateExecutable->import()
#6 phar:///usr/local/bin/drush/includes/drush.inc(720): call_user_func_array(Array, Array)
#7 phar:///usr/local/bin/drush/includes/drush.inc(711): drush_call_user_func_array(Array, Array)
#8 /home/[user]/dev/modules/migrate_tools/migrate_tools.drush.inc(275): drush_op(Array)
#9 [internal function]: _drush_migrate_tools_execute_migration(Object(Drupal\migrate\Plugin\Migration), 'upgrade_d6_user', Array)
#10 /home/[user]/dev/modules/migrate_tools/migrate_tools.drush.inc(241): array_walk(Array, '_drush_migrate_...', Array)
#11 [internal function]: drush_migrate_tools_migrate_import()
#12 phar:///usr/local/bin/drush/includes/command.inc(373): call_user_func_array('drush_migrate_t...', Array)
#13 phar:///usr/local/bin/drush/includes/command.inc(224): _drush_invoke_hooks(Array, Array)
#14 [internal function]: drush_command()
#15 phar:///usr/local/bin/drush/includes/command.inc(192): call_user_func_array('drush_command', Array)
#16 phar:///usr/local/bin/drush/lib/Drush/Boot/BaseBoot.php(67): drush_dispatch(Array)
#17 phar:///usr/local/bin/drush/includes/preflight.inc(66): Drush\Boot\BaseBoot->bootstrap_and_dispatch()
#18 phar:///usr/local/bin/drush/includes/startup.inc(325): drush_main()
#19 phar:///usr/local/bin/drush/drush(114): drush_startup(Array)
#20 /usr/local/bin/drush(10): require('phar:///usr/loc...')
#21 {main}

Any ideas here?

I am running:
CENTOS 7.2 x86_64,
Apache 2.4.23,
PHP 5.5.37,
Drush 8.1.3.

Thank you.

Comments

GUE-Andreas created an issue. See original summary.

mikeryan’s picture

mikeryan
he/him
Primary language English
Location Murphysboro, IL, USA
CreditAttribution: mikeryan at Virtuoso Performance commented
Project: Drupal core » Migrate Upgrade
Version: 8.1.8 » 8.x-2.x-dev
Component: migration system » Code
Status: Active » Postponed (maintainer needs more info)

There's been some issue in the past with migrate-upgrade property rewriting ID references - what does your upgrade_d6_user configuration look like (go to /admin/config/development/configuration/single/export and select Migration, then upgrade_d6_user)? Are you using the latest -dev of migrate_upgrade? Are you editing the migrations at all?

GUE-Andreas’s picture

GUE-Andreas CreditAttribution: GUE-Andreas commented

The upgrade_d6_user configuration looks like this:

uuid: 9e825cdc-7e16-42c7-82b6-1a1711f579ea
langcode: en
status: true
dependencies: { }
id: upgrade_d6_user
migration_tags:
- 'Drupal 6'
migration_group: migrate_drupal_6
label: 'User accounts'
source:
plugin: d6_user
process:
uid: uid
name: name
pass: pass
mail: mail
created: created
access: access
login: login
status: status
timezone:
plugin: user_update_7002
source: timezone
preferred_langcode: language
init: init
roles:
plugin: migration
migration: upgrade_d6_user_role
source: roles
user_picture:
plugin: migration
migration: upgrade_d6_user_picture_file
source: uid
no_stub: true
destination:
plugin: 'entity:user'
md5_passwords: true
migration_dependencies:
required:
- upgrade_d6_user_role
optional:
- upgrade_d6_user_picture_file
- upgrade_user_picture_entity_display
- upgrade_user_picture_entity_form_display

I was using migrate_upgrade-8.x-2.0-beta1, and not editing any migrations at all.

Now I tried the latest -dev of migrate_upgrade, and everything seems normal when I run the drush migrate-upgrade [...], but then when I run drush migrate-status I suddenly get a whole lot of lines with

The specified database connection is not defined: drupal_6

The upgrade_d6_user configuration looks exactly the same as before, except for the uuid.

Thank you. I appreciate the time you spend on this.

mikeryan’s picture

mikeryan
he/him
Primary language English
Location Murphysboro, IL, USA
CreditAttribution: mikeryan at Virtuoso Performance commented
Status: Postponed (maintainer needs more info) » Active

When providing more info to an issue marked "Postponed (maintainer needs more info)", please be sure to set the status back to "Active" for visibility.

Also note that <code> is better than <blockquote> for rendering PHP/YAML/etc.

Second problem first, "The specified database connection is not defined: drupal_6" has been fixed as of today, see #2793723: Using --configure-only migrations fails.

If you update to the latest -dev with that fix, do you still see the Flatten error?

mikeryan’s picture

mikeryan
he/him
Primary language English
Location Murphysboro, IL, USA
CreditAttribution: mikeryan at Virtuoso Performance commented
Status: Active » Postponed (maintainer needs more info)
GUE-Andreas’s picture

GUE-Andreas CreditAttribution: GUE-Andreas commented
Status: Postponed (maintainer needs more info) » Active

Thanks Mike,

I appreciate the hints on usage of this website. (Honestly, I was wondering but hesitant to ask)

With the latest -dev, the second problem is now gone. But the Flatten error is still the same. I tried both the 8.x-2.x-dev and the 8.x-3.x-dev with the same result.

mikeryan’s picture

mikeryan
he/him
Primary language English
Location Murphysboro, IL, USA
CreditAttribution: mikeryan at Virtuoso Performance commented
Status: Active » Postponed (maintainer needs more info)

From

#1 /home/[user]/dev/core/modules/migrate/src/MigrateExecutable.php(392): Drupal\migrate\Plugin\migrate\process\Flatten->transform('', Object(Drupal\migrate_tools\MigrateExecutable),
Object(Drupal\migrate\Row), 'permissions')
#2 /home/[user]/dev/core/modules/migrate/src/Plugin/migrate/process/Migration.php(132): Drupal\migrate\MigrateExecutable->processRow(Object(Drupal\migrate\Row), Array)
#3 /home/[user]/dev/core/modules/migrate/src/MigrateExecutable.php(378): Drupal\migrate\Plugin\migrate\process\Migration->transform('30', Object(Drupal\migrate_tools\MigrateExecutable),
Object(Drupal\migrate\Row), 'roles')

That it is attempting to resolve a reference to role ID 30 (rid) from the D6 users_roles table, and not finding such a role having been imported. Can you look in your D6 database and see if there's a users_roles row with rid=30, and check to make sure that rid=30 exists in your role table in D6?

GUE-Andreas’s picture

GUE-Andreas CreditAttribution: GUE-Andreas commented
Status: Postponed (maintainer needs more info) » Fixed

Well,
That's a little embarrassing, but that seems to have been the cause of this error. I did in fact not have any role with rid=30 left. It had been deleted for some reason. When I removed all references to it in users_roles, the error disappeared.

Now I am instead getting errors because the migration doesn't seem to allow duplicate user names in the D6 database, and we have plenty of those. (We use e-mail address as the unique external identifier instead of user name)
Unless you know of a fix to that problem I guess I'll just get to work on trying to fix all duplicate user names and then try this process again..

Thanks again for all your help!

Status: Fixed » Closed (fixed)

Automatically closed - issue fixed for 2 weeks with no activity.

drzraf’s picture

drzraf CreditAttribution: drzraf commented

Another one of the same kind:

Processed 1 item (1 created, 0 updated, 0 failed, 0 ignored) - done with 'upgrade_user_picture_field'
Processed 1 item (1 created, 0 updated, 0 failed, 0 ignored) - done with  'upgrade_user_picture_field_instance'
Processed 1 item (1 created, 0 updated, 0 failed, 0 ignored) - done with 'upgrade_user_picture_entity_display'
Processed 1 item (1 created, 0 updated, 0 failed, 0 ignored) - done with 'upgrade_user_picture_entity_form_display'
exception 'InvalidArgumentException' with message 'Passed variable is not an array or object, using empty array instead' in /core/modules/migrate/src/Plugin/migrate/process/Flatten.php:51    [error]
Stack trace:
#0 /core/modules/migrate/src/Plugin/migrate/process/Flatten.php(51): ArrayIterator->__construct('')
#1 /core/modules/migrate/src/MigrateExecutable.php(380): Drupal\migrate\Plugin\migrate\process\Flatten->transform('', Object(Drupal\migrate_tools\MigrateExecutable),
Object(Drupal\migrate\Row), 'permissions')
#2 /core/modules/migrate/src/Plugin/migrate/process/MigrationLookup.php(223): Drupal\migrate\MigrateExecutable->processRow(Object(Drupal\migrate\Row), Array)
#3 /core/modules/migrate/src/MigrateExecutable.php(366): Drupal\migrate\Plugin\migrate\process\MigrationLookup->transform('3',
Object(Drupal\migrate_tools\MigrateExecutable), Object(Drupal\migrate\Row), 'roles')
#4 /core/modules/migrate/src/MigrateExecutable.php(203): Drupal\migrate\MigrateExecutable->processRow(Object(Drupal\migrate\Row))
#5 [internal function]: Drupal\migrate\MigrateExecutable->import()
#6 phar:///usr/local/bin/drush/includes/drush.inc(720): call_user_func_array(Array, Array)
#7 phar:///usr/local/bin/drush/includes/drush.inc(711): drush_call_user_func_array(Array, Array)
#8 /modules/migrate/migrate_tools/migrate_tools.drush.inc(282): drush_op(Array)
#9 [internal function]: _drush_migrate_tools_execute_migration(Object(Drupal\migrate\Plugin\Migration), 'upgrade_d6_user', Array)
#10 /modules/migrate/migrate_tools/migrate_tools.drush.inc(248): array_walk(Array, '_drush_migrate_...', Array)
#11 [internal function]: drush_migrate_tools_migrate_import()
#12 phar:///usr/local/bin/drush/includes/command.inc(422): call_user_func_array('drush_migrate_t...', Array)
#13 phar:///usr/local/bin/drush/includes/command.inc(231): _drush_invoke_hooks(Array, Array)
#14 [internal function]: drush_command()
#15 phar:///usr/local/bin/drush/includes/command.inc(199): call_user_func_array('drush_command', Array)
#16 phar:///usr/local/bin/drush/lib/Drush/Boot/BaseBoot.php(67): drush_dispatch(Array)
#17 phar:///usr/local/bin/drush/includes/preflight.inc(66): Drush\Boot\BaseBoot->bootstrap_and_dispatch()
#18 phar:///usr/local/bin/drush/includes/startup.inc(458): drush_main()
#19 phar:///usr/local/bin/drush/includes/startup.inc(365): drush_run_main(false, '/', 'Phar detected. ...')
#20 phar:///usr/local/bin/drush/drush(114): drush_startup(Array)
#21 /usr/local/bin/drush(10): require('phar:///usr/loc...')
#22 {main}
Matt B’s picture

Matt B
Primary language English
CreditAttribution: Matt B commented
Version: 8.x-2.x-dev » 8.x-3.0-rc1

This issue needs to be re-opened. I am getting the same as drzaf when I import upgrade_d6_user. Using Drupal 8.3.2, migrate upgrade 8.x-3.0-rc1, migrate_plus 8.x-4.0-beta1 and migrate_tools 8.x-4.0-beta1, and following the instructions here: https://www.drupal.org/node/2350651

I have not edited any migrations.

drzraf’s picture

drzraf CreditAttribution: drzraf commented

Give #2850312: d6_filter_format is hard coded, causing dependent migration to fail 's patch a try. I've the feeling it did the trick in my case.

Matt B’s picture

Matt B
Primary language English
CreditAttribution: Matt B commented

thanks for the tip drzaf, unfortunately the patch has not made any difference.

Matt B’s picture

Matt B
Primary language English
CreditAttribution: Matt B commented

I've just re-ran the migration on a fresh install, with the patches, still the same error on upgrade_d6_user:

Processed 1 item (1 created, 0 updated, 0 failed, 0 ignored) - done     [status]
with 'upgrade_user_picture_entity_display'
Processed 1 item (1 created, 0 updated, 0 failed, 0 ignored) - done     [status]
with 'upgrade_user_picture_entity_form_display'
exception 'InvalidArgumentException' with message 'Passed variable is    [error]
not an array or object, using empty array instead' in
/srv/bindings/91a51c5c39ed48d6ba22f0fcf53cef97/code/core/modules/migrate/src/Plugin/migrate/process/Flatten.php:51
Stack trace:
#0
/srv/bindings/91a51c5c39ed48d6ba22f0fcf53cef97/code/core/modules/migrate/src/Plugin/migrate/process/Flatten.php(51):
ArrayIterator->__construct('')
#1
/srv/bindings/91a51c5c39ed48d6ba22f0fcf53cef97/code/core/modules/migrate/src/MigrateExecutable.php(380):
Drupal\migrate\Plugin\migrate\process\Flatten->transform('',
Object(Drupal\migrate_tools\MigrateExecutable),
Object(Drupal\migrate\Row), 'permissions')
#2
/srv/bindings/91a51c5c39ed48d6ba22f0fcf53cef97/code/core/modules/migrate/src/Plugin/migrate/process/MigrationLookup.php(223):
Drupal\migrate\MigrateExecutable->processRow(Object(Drupal\migrate\Row),
Array)
#3
/srv/bindings/91a51c5c39ed48d6ba22f0fcf53cef97/code/core/modules/migrate/src/MigrateExecutable.php(366):
Drupal\migrate\Plugin\migrate\process\MigrationLookup->transform('3',
Object(Drupal\migrate_tools\MigrateExecutable),
Object(Drupal\migrate\Row), 'roles')
#4
/srv/bindings/91a51c5c39ed48d6ba22f0fcf53cef97/code/core/modules/migrate/src/MigrateExecutable.php(203):
Drupal\migrate\MigrateExecutable->processRow(Object(Drupal\migrate\Row))
#5 [internal function]: Drupal\migrate\MigrateExecutable->import()
#6 /opt/pantheon/drush-8/includes/drush.inc(720):
call_user_func_array(Array, Array)
#7 /opt/pantheon/drush-8/includes/drush.inc(711):
drush_call_user_func_array(Array, Array)
#8
/srv/bindings/91a51c5c39ed48d6ba22f0fcf53cef97/code/modules/migrate_tools/migrate_tools.drush.inc(282):
drush_op(Array)
#9 [internal function]:
_drush_migrate_tools_execute_migration(Object(Drupal\migrate\Plugin\Migration),
'upgrade_d6_user', Array)
#10
/srv/bindings/91a51c5c39ed48d6ba22f0fcf53cef97/code/modules/migrate_tools/migrate_tools.drush.inc(248):
array_walk(Array, '_drush_migrate_...', Array)
#11 [internal function]: drush_migrate_tools_migrate_import()
#12 /opt/pantheon/drush-8/includes/command.inc(373):
call_user_func_array('drush_migrate_t...', Array)
#13 /opt/pantheon/drush-8/includes/command.inc(224):
_drush_invoke_hooks(Array, Array)
#14 [internal function]: drush_command()
#15 /opt/pantheon/drush-8/includes/command.inc(192):
call_user_func_array('drush_command', Array)
#16 /opt/pantheon/drush-8/lib/Drush/Boot/BaseBoot.php(67):
drush_dispatch(Array)
#17 /opt/pantheon/drush-8/includes/preflight.inc(66):
Drush\Boot\BaseBoot->bootstrap_and_dispatch()
#18 /opt/pantheon/drush-8/drush.php(12): drush_main()
#19 {main}
johnvb’s picture

johnvb CreditAttribution: johnvb commented

I've applied the patches which fixed the import of user roles (all my roles have imported and are in the D8 configuration). However I'm getting exactly the same problem as in the post above. My role seems to be loading OK it's just when the code processes the permissions in the current row it returns NULL, which of course fails when the flatten plugin is fired.

I'm finding it difficult to debug where in the code the permissions property of the row should be loaded.

hellobank’s picture

hellobank CreditAttribution: hellobank commented

I got the same error when the proceed to Migration upgrade_d6_user

sudo drush mi  upgrade_d6_user
exception 'InvalidArgumentException' with message 'Passed variable is not an array or object, using empty array instead' in                                                                      [error]
/mydata/wwwroot/mysites/core/modules/migrate/src/Plugin/migrate/process/Flatten.php:51
Stack trace:
#0 /mydata/wwwroot/mysites/core/modules/migrate/src/Plugin/migrate/process/Flatten.php(51): ArrayIterator->__construct('')
#1 /mydata/wwwroot/mysites/core/modules/migrate/src/MigrateExecutable.php(380): Drupal\migrate\Plugin\migrate\process\Flatten->transform('',
Object(Drupal\migrate_tools\MigrateExecutable), Object(Drupal\migrate\Row), 'permissions')
#2 /mydata/wwwroot/mysites/core/modules/migrate/src/Plugin/migrate/process/MigrationLookup.php(223): Drupal\migrate\MigrateExecutable->processRow(Object(Drupal\migrate\Row), Array)
#3 /mydata/wwwroot/mysites/core/modules/migrate/src/MigrateExecutable.php(366): Drupal\migrate\Plugin\migrate\process\MigrationLookup->transform('3',
Object(Drupal\migrate_tools\MigrateExecutable), Object(Drupal\migrate\Row), 'roles')
#4 /mydata/wwwroot/mysites/core/modules/migrate/src/MigrateExecutable.php(203): Drupal\migrate\MigrateExecutable->processRow(Object(Drupal\migrate\Row))
#5 [internal function]: Drupal\migrate\MigrateExecutable->import()
#6 phar:///usr/local/bin/drush/includes/drush.inc(720): call_user_func_array(Array, Array)
#7 phar:///usr/local/bin/drush/includes/drush.inc(711): drush_call_user_func_array(Array, Array)
#8 /mydata/wwwroot/mysites/modules/migrate_tools/migrate_tools.drush.inc(282): drush_op(Array)
#9 [internal function]: _drush_migrate_tools_execute_migration(Object(Drupal\migrate\Plugin\Migration), 'upgrade_d6_user', Array)
#10 /mydata/wwwroot/mysites/modules/migrate_tools/migrate_tools.drush.inc(248): array_walk(Array, '_drush_migrate_...', Array)
#11 [internal function]: drush_migrate_tools_migrate_import('upgrade_d6_user')
#12 phar:///usr/local/bin/drush/includes/command.inc(366): call_user_func_array('drush_migrate_t...', Array)
#13 phar:///usr/local/bin/drush/includes/command.inc(217): _drush_invoke_hooks(Array, Array)
#14 [internal function]: drush_command('upgrade_d6_user')
#15 phar:///usr/local/bin/drush/includes/command.inc(185): call_user_func_array('drush_command', Array)
#16 phar:///usr/local/bin/drush/lib/Drush/Boot/BaseBoot.php(67): drush_dispatch(Array)
#17 phar:///usr/local/bin/drush/includes/preflight.inc(66): Drush\Boot\BaseBoot->bootstrap_and_dispatch()
#18 phar:///usr/local/bin/drush/includes/startup.inc(321): drush_main()
#19 phar:///usr/local/bin/drush/drush(114): drush_startup(Array)
#20 /usr/local/bin/drush(10): require('phar:///usr/loc...')
#21 {main}
Begun’s picture

Begun CreditAttribution: Begun commented
Priority: Normal » Major

I am having the same issue as the previous poster. Would be good to re-open this ticket as it seems to be a re-occurring issue.

Publishing Future’s picture

Publishing Future CreditAttribution: Publishing Future commented

I get the same error when running drush migrate-import upgrade_d6_user with Drupal 8.3.4. Previous migration of user roles worked properly after applying the patch.

Publishing Future’s picture

Publishing Future CreditAttribution: Publishing Future commented

According https://www.drupal.org/node/2850312#comment-12108811 the missing "upgrade_"-prefix in the migrations names is the reason for the problem. The relevant part of my migration file (go to /admin/config/development/configuration/single/export and select Migration, then upgrade_d6_user) looks like this:

  roles:
    plugin: migration_lookup
    migration: d6_user_role
    source: roles
  user_picture:
    plugin: migration_lookup
    migration: d6_user_picture_file
    source: uid
    no_stub: true

When adding the "upgrade_"-prefix to the migrations names the migration works without problems:

  roles:
    plugin: migration_lookup
    migration: upgrade_d6_user_role
    source: roles
  user_picture:
    plugin: migration_lookup
    migration: upgrade_d6_user_picture_file
    source: uid
    no_stub: true
Olarin’s picture

Olarin CreditAttribution: Olarin at Kosada commented

Nobody actually re-opened this issue, but for those following along at home, I think the commit for https://www.drupal.org/node/2875405 should have solved it.

Begun’s picture

Begun CreditAttribution: Begun commented

Thanks for the update Olarin. I had tried to re-open this issue, but unfortunately that can only be done by the maintainers