https://www.redmine.org/https://www.redmine.org/favicon.ico?16793021292009-05-04T16:43:02ZRedmineRedmine - Defect #3291: "undefined method `read' for nil:NilClass" in redmine:migrate_from_trachttps://www.redmine.org/issues/3291?journal_id=89582009-05-04T16:43:02ZJean-Philippe Langjp_lang@yahoo.fr
<ul><li><strong>Status</strong> changed from <i>New</i> to <i>Closed</i></li><li><strong>Affected version (unused)</strong> changed from <i>0.8.3</i> to <i>devel</i></li><li><strong>Resolution</strong> set to <i>Fixed</i></li><li><strong>Affected version</strong> deleted (<del><i>0.8.3</i></del>)</li></ul><p>Patch merged in <a class="changeset" title="Merged r2705 from trunk (#3291)." href="https://www.redmine.org/projects/redmine/repository/svn/revisions/2706">r2706</a> in 0.8-stable branch.</p> Redmine - Defect #3291: "undefined method `read' for nil:NilClass" in redmine:migrate_from_trachttps://www.redmine.org/issues/3291?journal_id=89642009-05-04T20:11:42ZMichael Wünsch
<ul><li><strong>Status</strong> changed from <i>Closed</i> to <i>Reopened</i></li></ul><p>I am sorry but I checked out <a class="changeset" title="Adds group folding on issue list (#2679)." href="https://www.redmine.org/projects/redmine/repository/svn/revisions/2711">r2711</a> and the error still persists (but with slightly different line numbers) same in trunk:<br /><pre>% RAILS_ENV=production rake redmine:migrate_from_trac --trace
(in /var/www/rails_apps/redmine-0.8-stable)
** Invoke redmine:migrate_from_trac (first_time)
** Invoke environment (first_time)
** Execute environment
** Execute redmine:migrate_from_trac
WARNING: a new project will be added to Redmine during this process.
Are you sure you want to continue ? [y/N] y
Trac directory []: /root/trac
Trac database adapter (sqlite, sqlite3, mysql, postgresql) [sqlite]: sqlite3
Trac database encoding [UTF-8]:
Target project identifier []: myproject
Migrating components........
Migrating milestones....
Migrating custom fields....
Migrating tickets..............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Migrating wiki.........................rake aborted!
undefined method `read' for nil:NilClass
/var/www/rails_apps/redmine-0.8-stable/lib/tasks/migrate_from_trac.rake:146:in `read'
/var/www/rails_apps/redmine-0.8-stable/app/models/attachment.rb:76:in `before_save'
/var/www/rails_apps/redmine-0.8-stable/app/models/attachment.rb:74:in `open'
/var/www/rails_apps/redmine-0.8-stable/app/models/attachment.rb:74:in `before_save'
/var/lib/gems/1.8/gems/activerecord-2.1.2/lib/active_record/callbacks.rb:301:in `send'
/var/lib/gems/1.8/gems/activerecord-2.1.2/lib/active_record/callbacks.rb:301:in `callback'
/var/lib/gems/1.8/gems/activerecord-2.1.2/lib/active_record/callbacks.rb:206:in `create_or_update'
/var/lib/gems/1.8/gems/activerecord-2.1.2/lib/active_record/base.rb:2211:in `save_without_validation'
/var/lib/gems/1.8/gems/activerecord-2.1.2/lib/active_record/validations.rb:911:in `save_without_dirty'
/var/lib/gems/1.8/gems/activerecord-2.1.2/lib/active_record/dirty.rb:75:in `save_without_transactions'
/var/lib/gems/1.8/gems/activerecord-2.1.2/lib/active_record/transactions.rb:106:in `save'
/var/lib/gems/1.8/gems/activerecord-2.1.2/lib/active_record/connection_adapters/abstract/database_statements.rb:66:in `transaction'
/var/lib/gems/1.8/gems/activerecord-2.1.2/lib/active_record/transactions.rb:79:in `transaction'
/var/lib/gems/1.8/gems/activerecord-2.1.2/lib/active_record/transactions.rb:98:in `transaction'
/var/lib/gems/1.8/gems/activerecord-2.1.2/lib/active_record/transactions.rb:106:in `save'
/var/lib/gems/1.8/gems/activerecord-2.1.2/lib/active_record/transactions.rb:118:in `rollback_active_record_state!'
/var/lib/gems/1.8/gems/activerecord-2.1.2/lib/active_record/transactions.rb:106:in `save'
/var/www/rails_apps/redmine-0.8-stable/lib/tasks/migrate_from_trac.rake:573:in `migrate'
/var/lib/gems/1.8/gems/activerecord-2.1.2/lib/active_record/associations/association_collection.rb:277:in `method_missing'
/var/lib/gems/1.8/gems/activerecord-2.1.2/lib/active_record/associations/association_proxy.rb:171:in `method_missing'
/var/lib/gems/1.8/gems/activerecord-2.1.2/lib/active_record/associations/association_proxy.rb:171:in `each'
/var/lib/gems/1.8/gems/activerecord-2.1.2/lib/active_record/associations/association_proxy.rb:171:in `send'
/var/lib/gems/1.8/gems/activerecord-2.1.2/lib/active_record/associations/association_proxy.rb:171:in `method_missing'
/var/lib/gems/1.8/gems/activerecord-2.1.2/lib/active_record/associations/association_collection.rb:277:in `method_missing'
/var/www/rails_apps/redmine-0.8-stable/lib/tasks/migrate_from_trac.rake:565:in `migrate'
/var/www/rails_apps/redmine-0.8-stable/lib/tasks/migrate_from_trac.rake:548:in `each'
/var/www/rails_apps/redmine-0.8-stable/lib/tasks/migrate_from_trac.rake:548:in `migrate'
/var/www/rails_apps/redmine-0.8-stable/lib/tasks/migrate_from_trac.rake:756
/usr/lib/ruby/1.8/rake.rb:546:in `call'
/usr/lib/ruby/1.8/rake.rb:546:in `execute'
/usr/lib/ruby/1.8/rake.rb:541:in `each'
/usr/lib/ruby/1.8/rake.rb:541:in `execute'
/usr/lib/ruby/1.8/rake.rb:508:in `invoke_with_call_chain'
/usr/lib/ruby/1.8/rake.rb:501:in `synchronize'
/usr/lib/ruby/1.8/rake.rb:501:in `invoke_with_call_chain'
/usr/lib/ruby/1.8/rake.rb:494:in `invoke'
/usr/lib/ruby/1.8/rake.rb:1931:in `invoke_task'
/usr/lib/ruby/1.8/rake.rb:1909:in `top_level'
/usr/lib/ruby/1.8/rake.rb:1909:in `each'
/usr/lib/ruby/1.8/rake.rb:1909:in `top_level'
/usr/lib/ruby/1.8/rake.rb:1948:in `standard_exception_handling'
/usr/lib/ruby/1.8/rake.rb:1903:in `top_level'
/usr/lib/ruby/1.8/rake.rb:1881:in `run'
/usr/lib/ruby/1.8/rake.rb:1948:in `standard_exception_handling'
/usr/lib/ruby/1.8/rake.rb:1878:in `run'
/usr/bin/rake:28
</pre></p>
<p>I did a dropdb, createdb, db:migrate and redmine:load_default_data before migrating.<br />The environment is now:<br /><pre>
About your application's environment
Ruby version 1.8.7 (i486-linux)
RubyGems version 1.3.1
Rails version 2.1.2
Active Record version 2.1.2
Action Pack version 2.1.2
Active Resource version 2.1.2
Action Mailer version 2.1.2
Active Support version 2.1.2
Application root /var/www/rails_apps/redmine-0.8-stable
Environment development
Database adapter postgresql
Database schema version 101
</pre></p> Redmine - Defect #3291: "undefined method `read' for nil:NilClass" in redmine:migrate_from_trachttps://www.redmine.org/issues/3291?journal_id=90972009-05-09T18:13:34ZKim Shrier
<ul><li><strong>File</strong> <a href="/attachments/1993">migrate_from_trac.rake.patch</a> <a class="icon-only icon-download" title="Download" href="/attachments/download/1993/migrate_from_trac.rake.patch">migrate_from_trac.rake.patch</a> added</li></ul><p>I am using Redmine 0.8.3 <a class="changeset" title="Display links to users on project members view." href="https://www.redmine.org/projects/redmine/repository/svn/revisions/2717">r2717</a> and had the same problem when importing attachments to wiki pages. The following patch fixes the problem.</p> Redmine - Defect #3291: "undefined method `read' for nil:NilClass" in redmine:migrate_from_trachttps://www.redmine.org/issues/3291?journal_id=90992009-05-10T08:32:11ZJean-Philippe Langjp_lang@yahoo.fr
<ul><li><strong>Category</strong> set to <i>Importers</i></li><li><strong>Status</strong> changed from <i>Reopened</i> to <i>Closed</i></li></ul><p>Patch committed in <a class="changeset" title="Same as fix as r2705 from Trac wiki pages attachments (#3291)." href="https://www.redmine.org/projects/redmine/repository/svn/revisions/2718">r2718</a> in trunk and <a class="changeset" title="Merged r2718 from trunk (#3291)." href="https://www.redmine.org/projects/redmine/repository/svn/revisions/2719">r2719</a> in 0.8-stable.<br />Thanks.</p>