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"Migration" means either the migration of data from from a different framework/CMS to Drupal, or from Drupal to Drupal.

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Update local file paths in body type fields across site

I need to move an existing d8 site from a standalone site to part of an existing multisite setup in d8. I would like the files to be in sites/$mysite/files instead of sites/default/files. However, the ...
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1answer
28 views

Moving a website from Drupal to Wordpress [on hold]

i want to move a website from drupal to wordpress, keeping the hosting provider the same (siteground). please bear in mind my knowledge in these matters is very rudimentary (i have published a blog on ...
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17 views

key_value duplication errors after migration of the website

I have migrated my website from a server to another server. The only difference is that it went from a physical machine server into a containerized application. The server specs are the same and the ...
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47 views

Node body to entity reference revision (paragraph) field not working/processing

I want to migrate the Drupal 7 body of my blog to a Drupal 8 paragraph (field_stories_content which is Entity reference revisions). The body is to be assign to the field_stories_text_formatted field. ...
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10 views

Issue using ‘explode’ and ‘migration_lookup’ plugins together

I’m new to migration, using migrate plus and migrate csv, I have some trouble mixing the ‘explode’ and ‘migration_lookup’ plugins. What I want is to add several media images to some media slideshow (...
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21 views

What is /offline page?

I have migrated my Drupal 7 site to Drupal 8. Today after 15 days of migration I just noticed in my Google Analytics account that I have received 799 page views to /offline page since I have launched ...
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68 views

custom article migration with external images

I’m trying to “import” / migrate some content to a Drupal 8 site including images for a multi value “field_image” field. My “yaml” file (pasted in the UI form) looks like this, that I suppose is self ...
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9 views

Cannot login as admin upon migration

I'm trying to migrate my drupal site to another hosting provider. Took the database and files, migrated them over. I don't have my URL moved yet so I'm using a temp URL by the hosting provider. The ...
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17 views

migrated site to server with newer ubuntu, php - theme not working

I've been migrating a number of sites (Drupal 7, 8, Wordpress) from one server running Ubuntu 14.04 and php5 to one running 16.04 and php7. Some of them work right off the bat and some have required ...
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25 views

Update migrations to import new content

I'm using migrate upgrade drush command to generate migrations from a live DB of website. So content is created during my migrations. How can I do an update of these migrations to import new content ...
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22 views

Custom linkfield migration with csv

Because migration skip emty or NULL label records on db, I need to migrate via csv file. So I do export of table records in csv like : vid;nid;delta;field_lien_externe_url;field_lien_externe_title;...
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31 views

Migrating Term Reference with Multiple Terms

I have a node that has a term reference allowing for unlimited terms. I'm trying to migrate this from D7 to D8 using JSON (from the URL source plugin). The terms are formatted as a comma-separated ...
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23 views

Some nodes can't open anymore after updating migrated content from old databse

I migrated about 34K nodes from a non drupal website. The content was working fine but then my client requested some updates to one of the date fields. So I created a new date field and run the ...
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32 views

Migrations groups : run all or not?

I would to know if I need to run Default group AND migrate_drupal_6 group on every migration ? Or if I can only use one or other group ? Because I notice that "d6_user_role" migration import users, ...
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1answer
42 views

Migration configuration

I'm setting up a migration from an URL with JSON on it. Got the first level values without any issues. Currently I'm stuck at nested arrays which resemble something like this: { "content": [ { ...
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21 views

Mapping description imagefield to title imagefield

Because of imposibility to add a description field to an imagefield in D8, I would to map thecontent of the D6 description field to the D8 title field of the imagefield. But it actually doesn't work....
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40 views

How to migrate nodes with multiple paragraphs

I have successfully migrated content into nodes/paragraphs from Excel spreadsheets (using the awesome https://www.drupal.org/project/migrate_spreadsheet module) although it's not really any different ...
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1answer
49 views

Import a date from CSV to Date field

I'm working on a Druapl 8 project and I'm trying to execute a migration which serve to import content of a basic content type, the content type has a field of type Date and the associated field in my ...
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1answer
36 views

Plugin Derivatives For Queue and Migration Plugins

I've created a custom Content Entity and a custom Content Entity Type, basically I'm mirroring the Node module but the purpose of this is to have external data to be synced with this setup(not using ...
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1answer
29 views

Migration from csv problem (Incorrect string value: '\xAB Nove…')

In my drupal 8 project, I'm trying to import data of a content type from a csv file, everything is well, but when I'm trying to execute the migration command drush mim my_migration I got the following ...
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1answer
61 views

Custom node migration for multi-value imagefield

I'm working on a custom migration module to "link" images to the imagefield. It's work well for an unique value image field like this: field_illus_vdl: - plugin: d6_field_file source: ...
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18 views

migrate import to do only updates (no inserts)

I am migrating a drupal 7 site which has a lot of files which are no longer used. When doing the import of the relevant content, stubs are created for each of the files which are actually used. Is ...
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1answer
39 views

migrate import image (image_import plugin doesn't existe)

I'm trying to import content from a csv source file, the csv file contains a field of image URL, and I'm trying to import that image using contrib modules migrate_plus, migrate_source_csv, ...
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1answer
26 views

Migrating into a multi-value nested custom field

I have a nested field called released with three values By When A node can have multiple releases. However, in the old dataset (d7), each node only had one release and the fields just a part of the ...
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13 views

Clean stray permissions from config

I have a number of stray permissions in a Drupal 8 site left over from role and permissions migrations from Drupal 7. By stray permission, I mean ones that were related to D7 contrib modules or ...
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62 views

How do I migrate images and image data?

I used the Drupal migration module (browser) to migrate a Drupal 7 site to Drupal 8. Even though I had to restart the migration a few times, it migrated all the users and the nodes. I can't figure ...
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13 views

Road map for migrations order

Do exist a road map to give indications about drupal migration order ? Because, if migrate module give the list of migration, it doesn't give indication about the migration order except when ...
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39 views

How to make Title Filed Required

I have migrated my Drupal 7 website to Drupal 8. The content types are showing title as optional and when we save a node without adding the title it's giving the fatal error. How can we make the ...
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1answer
42 views

File migration create ghost files

I tested a migration from Drupal 6 to Drupal 8 on a local installation (2 differents multisites). Sometimes I get "ghost files" after running upgrade_d6_file. Processed 1444 items (1441 created, 0 ...
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27 views

How to migrate images?

I'm trying to import images, but why does migrate_tools swear on my yml file when I try to migrate. id: migrate__articles_teaser_images1 label: 'Migration teaser images of article' migration_tags: ...
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30 views

How do I migrate the name and file type?

I am trying to migrate external files to Drupal 8 Media files. I used the Migrate Files (extended) module to deal with the process plugins. The files were imported, but the name and the file type ...
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11 views

Migration fails at Review step

I am trying to migrate a Drupal 7 to Drupal 8. At the /upgrade/credentials page I enter the correct info and then click Review upgrade and the page sends me I have gotten two separate errors. -- 1. ...
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8 views

Missing date_select_repeat widget during migration of CCK fields

I have an old drupal6 site and I need to upgrade it to drupal8. I decided to do it in 2 steps (d6 -> d7 -> d8), because I thought this way I can manage the things better. I removed those fields that ...
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1answer
94 views

Drush Migration between distant DB and local DB?

I'm trying to set migrations between an online D6 website and a local D8 one. So I want to connect to D6 DB like this: drush @vmdevd8ce migrate-upgrade --legacy-db-url=mysql://d6dbuser:d6dbpass@...
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35 views

Paragraph fields are not properly mapping into the custom block using migration plus yaml

I have created the paragraphs using migration plus module and it is working fine. To map the above created paragraphs to my custom block, I wrote the below YML file. Other block fields are mapping ...
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1answer
20 views

Unable to migrate users

I have been using the migrate module to migrate users from Drupal 7.59 to Drupal 7.59. I encounter the following error. Migration for <em class="placeholder">NonDomainUserMigration</em> ...
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28 views

Migrate from JSON: Setting selected multi-select checkbox list field that is entity reference to taxonomy list in migration yml

We are currently doing a site migration. We have all the data in JSON and have been slowly building the migrations to import this data into drupal 8. We have a taxonomy list of 4 "interests" and we ...
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13 views

Issue in migrate password from non drupal database

I am trying to migrate users details of non drupal database to drupal 7 database. I am using custom php script for this and via user_save() function . I am having issue migrating the user's password, ...
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1answer
57 views

Migration Source YML File import date string into date and time field of content type

I have a json file full of data exported from a wordpress site, one field being a string representing a date and time: "03/15/2012 14:46:19". I would like to import that string into a date and time ...
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1answer
34 views

The site is in a subdomain, but I get the wrong file path and a “require_once(): Failed opening required…” error

I have inherited a half ready development site, which I have to finish for the client. First I tried to backup and move to an other location, so I am sure that I can migrate the whole site. I moved ...
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129 views

Migrate + Alter the unique key (ids) with a custom source plugin

I have defined the unique key of my migration with a specific field (field is defined in fields section). But, in several cases, I see that the source data of this field is empty. If the unique key is ...
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1answer
40 views

Migration from source YML: implode all values of each array element nested inside an parent array

We are trying to pull in some data from an outside source that serves JSON. The structure of said json is like this: [ { "name":"something", "desc":"some kind of desc.", "...
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15 views

Group content is not saved during a migration

I'm running a migration and trying to relate imported content to some group but the relation is not saved. I already created a module which creates the relation when a form is submitted and it works ...
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17 views

Auto-create terms during node migration

I have a CSV file that I want to import as nodes with Migrate API. Some of the columns contain names (separated by semicolon) that should become term names, referenced from the node via term ...
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1answer
24 views

Migration time created of node

I'm flowing article to migration my data. Every fields is working fine. But field created doesn't working. Field created always insert time import. I try replace field created with setting created:...
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27 views

Combine multiple link fields into a single link field (unlimited)

In our drupal 7 site I have multiple social link fields (links) that I would like to combine into a single "social_links" link type field. How do I do that in a custom d7 to d8 migration? I've tried ...
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33 views

How to Use Multiple Databases in Drupal 8 Migrations

I've currently set up a migration in a custom module which connects to a MySQL db. From what I've read in the documentation, the db connection info needs to be added to settings.php like the following:...
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1answer
166 views

Custom migration: image fields to media [closed]

When migrating existing Drupal 7 fields, most things work. I need to convert images (using image upload) in Drupal 7 site to reusable media. Any help?
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8 views

Drush migrate class multiple source files instead of one

My custom migration class works fine using a single XML file as the migration source. However, I am looking for a solution which would allow me to use multiple files as the source for migrations. ...
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21 views

D6 -> D8 : Migrate only taxonomy terms from a specific vocabulary

When doing a D6->8 migration, my taxonomy term migration template imports all the taxonomy terms found in the source D6 site into my specified D8 taxonomy. How do I filter only the terms that belong ...