# Don't know how to build task 'db:test:prepare'

**URL:** <https://www.ruby-forum.com/t/dont-know-how-to-build-task-dbprepare/124659>\
**Category:** Rails\
**Created:** [December 31, 2007, 6:52pm UTC](https://www.ruby-forum.com/t/dont-know-how-to-build-task-dbprepare/124659 "2007-12-31T18:52:51Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![SmallPaul](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/2bfe46/32.png) [@SmallPaul](https://www.ruby-forum.com/u/SmallPaul)\
**Post date:** [December 31, 2007, 6:52pm UTC](https://www.ruby-forum.com/t/dont-know-how-to-build-task-dbprepare/124659/1 "2007-12-31T18:52:51Z")

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I am running ‘rake db:test:prepare’ from the root dir and get error  
“Don’t know how to build task ‘db:test:prepare’”, and I don’t know  
what to do!

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<div class="post-metadata">

**Author:** ![SmallPaul](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/2bfe46/32.png) [@SmallPaul](https://www.ruby-forum.com/u/SmallPaul)\
**Post date:** [December 31, 2007, 10:20pm UTC](https://www.ruby-forum.com/t/dont-know-how-to-build-task-dbprepare/124659/2 "2007-12-31T22:20:20Z")

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On 12/31/07, SmallPaul [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote:

> I am running ‘rake db:test:prepare’ from the root dir and get error  
> “Don’t know how to build task ‘db:test:prepare’”, and I don’t know  
> what to do!

Does rake --tasks actually list that task?

–  
Greg D.  
[http://destiney.com/](http://destiney.com/)