Cannot start Redmine, searching for gem 'blankslate'

Hello,

I upgraded Redmine to 5.1.2 version. Now, Redmine does not start, because of missing file 'blankslate'. here is a part of the log:

E:\data\redmine>puma -p 3002 -e production
*** SIGUSR2 not implemented, signal based restart unavailable!
*** SIGUSR1 not implemented, signal based restart unavailable!
*** SIGHUP not implemented, signal based logs reopening unavailable!
Puma starting in single mode...
* Puma version: 6.4.2 (ruby 3.1.3-p185) ("The Eagle of Durango")
*  Min threads: 0
*  Max threads: 5
*  Environment: production
*          PID: 25464
fatal: not a git repository (or any of the parent directories): .git
! Unable to load application: LoadError: cannot load such file -- blankslate
C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/zeitwerk-2.6.15/lib/zeitwerk/kernel.rb:34:in `require': cannot load such file -- blankslate (LoadError)
        from C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/zeitwerk-2.6.15/lib/zeitwerk/kernel.rb:34:in `require'
        from C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/polyglot-0.3.5/lib/polyglot.rb:65:in `require'
        from E:/data/redmine/lib/redmine/views/builders/structure.rb:20:in `<top (required)>'
        from C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/zeitwerk-2.6.15/lib/zeitwerk/kernel.rb:34:in `require'
        from C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/zeitwerk-2.6.15/lib/zeitwerk/kernel.rb:34:in `require'
        from C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/polyglot-0.3.5/lib/polyglot.rb:65:in `require'
        from E:/data/redmine/lib/redmine/views/builders/json.rb:20:in `<top (required)>'
        from C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/zeitwerk-2.6.15/lib/zeitwerk/kernel.rb:34:in `require'
        from C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/zeitwerk-2.6.15/lib/zeitwerk/kernel.rb:34:in `require'
        from C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/polyglot-0.3.5/lib/polyglot.rb:65:in `require'

I installed gem blankslate (3.1.3), however above error persists.

Interestingly, I have the same version of Redmine installed on another PC and tehere are no this gem blankslate installed and Redmine runs.

I need any hints where to search... what is the problem?

Regards,
Ivan

Replies (11)

RE: Cannot start Redmine, searching for gem 'blankslate' - Added by Ivan Cenov 6 months ago

After research, blankslate is required in path_to\redmine\lib\redmine\views\builders\structure.rb.

However, as I mentioned, I have a Redmine installation non a PC without installed 'blankslate' gem and it works...

RE: Cannot start Redmine, searching for gem 'blankslate' - Added by David from RedminePRO.com 6 months ago

If you are doing an upgrade, please follow the official steps from Redmine https://www.redmine.org/projects/redmine/wiki/redmineupgrade

-- David https://redminepro.com/

RE: Cannot start Redmine, searching for gem 'blankslate' - Added by Ivan Cenov 6 months ago

David redminePRO wrote in RE: Cannot start Redmine, searching for gem 'blankslate':

If you are doing an upgrade, please follow the official steps from Redmine https://www.redmine.org/projects/redmine/wiki/redmineupgrade

-- David https://redminepro.com/

yes, I upgrade from 5.0.6 to 5.1.2. I have done upgrade from 0.9.3 till now and follow almost the official procedure. Now I am curious why the same version on two machines behaves differently...

RE: Cannot start Redmine, searching for gem 'blankslate' - Added by Ivan Cenov 6 months ago

At last I found a solution:
Added in Gemfile

gem 'blankslite'

Then run bundle install. Redmine started with

puma -e production -p 3002

RE: Cannot start Redmine, searching for gem 'blankslate' - Added by Ivan Cenov 6 months ago

gem 'blankslate'

RE: Cannot start Redmine, searching for gem 'blankslate' - Added by Boris Schaa 6 months ago

We have the same problem when we build Redmine from scratch just by raising the version to 5.1.2 in our `Dockerfile`.

Ivan's workaround works like a charm. What we do: to test it

1. Insert `gem 'blankslate'` in Redmine's `Gemfile`
2. Run `bundle install`

I hope there will be a bugfix for this.

RE: Cannot start Redmine, searching for gem 'blankslate' - Added by Holger Just 6 months ago

This will be fixed in Redmine 5.0.9 and 5.1.3. See #40802.

RE: Cannot start Redmine, searching for gem 'blankslate' - Added by Boris Schaa 6 months ago

Holger Just wrote in RE: Cannot start Redmine, searching for gem 'blankslate':

This will be fixed in Redmine 5.0.9 and 5.1.3. See #40802.

Thank you for your swift reply! I am looking forward to it. <3

Cheers

RE: Cannot start Redmine, searching for gem 'blankslate' - Added by Boris Schaa 6 months ago

Holger Just wrote in RE: Cannot start Redmine, searching for gem 'blankslate':

This will be fixed in Redmine 5.0.9 and 5.1.3. See #40802.

I just took a glance into the 5.1.3 release road (https://www.redmine.org/versions/195) but the respective ticket #40802 wasn't mentioned. I gather that the fix will not be included in that release, right?

RE: Cannot start Redmine, searching for gem 'blankslate' - Added by Holger Just 6 months ago

An issue can only be assigned to a single version in Redmine. In this case, #40802 is assigned to version 5.0.9.

The respective commit in r22863 was also merged into the 5.1-stable branch in r22864 though and will be included of the 5.1.3 release accordingly.

RE: Cannot start Redmine, searching for gem 'blankslate' - Added by Boris Schaa 6 months ago

Holger Just wrote in RE: Cannot start Redmine, searching for gem 'blankslate':

An issue can only be assigned to a single version in Redmine. In this case, #40802 is assigned to version 5.0.9.

The respective commit in r22863 was also merged into the 5.1-stable branch in r22864 though and will be included of the 5.1.3 release accordingly.

Oh, that is good news then! Thanks again for your swift reply!

Cheers

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