# Mongrel fails to start

**URL:** <https://www.ruby-forum.com/t/mongrel-fails-to-start/211966>\
**Category:** Mongrel\
**Created:** [September 19, 2011, 12:36am UTC](https://www.ruby-forum.com/t/mongrel-fails-to-start/211966 "2011-09-19T00:36:43Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![dubstep](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/d/cdc98d/32.png) [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Post date:** [September 19, 2011, 12:36am UTC](https://www.ruby-forum.com/t/mongrel-fails-to-start/211966/1 "2011-09-19T00:36:43Z")

</div>

I’m having trouble getting mongrel to start after upgrading some system  
components.

[dan@supernews:/usr/websites/papers.bsdcan.org/pentabarf/rails] $  
mongrel\_rails cluster::r::start  
Invalid gemspec in  
[/usr/local/lib/ruby/gems/1.8/specifications/rack-cache-1.0.3.gemspec]:  
invalid date format in specification: “2011-08-27 00:00:00.000000000Z”  
Invalid gemspec in  
[/usr/local/lib/ruby/gems/1.8/specifications/tilt-1.3.3.gemspec]:  
invalid date format in specification: “2011-08-25 00:00:00.000000000Z”  
NOTE: Gem::SourceIndex.from\_installed\_gems is deprecated with no  
replacement. It will be removed on or after 2011-10-01.  
Gem::SourceIndex.from\_installed\_gems called from  
/usr/local/lib/ruby/gems/1.8/gems/gem\_plugin-0.2.3/lib/gem\_plugin.rb:109.  
NOTE: from\_installed\_gems(arg) is deprecated. From  
/usr/local/lib/ruby/site\_ruby/1.8/rubygems/deprecate.rb:62:in `send’  
NOTE: Gem::SourceIndex.from\_gems\_in is deprecated with no replacement.  
It will be removed on or after 2011-10-01.  
Gem::SourceIndex.from\_gems\_in called from  
/usr/local/lib/ruby/site\_ruby/1.8/rubygems/source\_index.rb:50.  
NOTE: Gem::SourceIndex#initialize is deprecated with no replacement. It  
will be removed on or after 2011-11-01.  
Gem::SourceIndex#initialize called from  
/usr/local/lib/ruby/site\_ruby/1.8/rubygems/source\_index.rb:67.  
NOTE: Gem::SourceIndex#spec\_dirs= is deprecated, use  
Specification.dirs=. It will be removed on or after 2011-11-01.  
Gem::SourceIndex#spec\_dirs= called from  
/usr/local/lib/ruby/site\_ruby/1.8/rubygems/source\_index.rb:94.  
NOTE: Gem::SourceIndex#refresh! is deprecated with no replacement. It  
will be removed on or after 2011-11-01.  
Gem::SourceIndex#refresh! called from  
/usr/local/lib/ruby/site\_ruby/1.8/rubygems/source\_index.rb:95.  
NOTE: Gem::SourceIndex#load\_gems\_in is deprecated with no replacement.  
It will be removed on or after 2011-11-01.  
Gem::SourceIndex#load\_gems\_in called from  
/usr/local/lib/ruby/site\_ruby/1.8/rubygems/source\_index.rb:322.

etc

Ideas? Suggestions?

–  
Dan Langille - [http://langille.org](http://langille.org)