部署Rails 3.1應用程序到heroku錯誤（sqlite3-> Postgresql）？

我在部署rails 3.1時遇到了問題。應用到heroku。部署Rails 3.1應用程序到heroku錯誤（sqlite3-> Postgresql）？

經過一番研究，我發現這個問題的主要原因是 - http://devcenter.heroku.com/articles/how-do-i-use-sqlite3-for-development

改變我的寶石文件後：

group :production do 
gem 'pg' 
end 
group :development, :test do 
gem 'sqlite3' 
end

仍然是「很抱歉，但表示有錯誤。」頁面錯誤。

這裏是日誌文件：

←[36m2011-11-26T16:34:31+00:00 heroku[api]:←[0m Add-on add logging:basic by emil 
[email protected] 
←[36m2011-11-26T16:34:31+00:00 heroku[api]:←[0m Release v2 created by emils.veve 
[email protected] 
←[36m2011-11-26T16:34:31+00:00 heroku[api]:←[0m Add-on update shared-database 
←[36m2011-11-26T16:34:31+00:00 heroku[api]:←[0m Release v3 created by emils.veve 
[email protected] 
←[33m2011-11-26T16:43:15+00:00 heroku[slugc]:←[0m Slug compilation started 
←[36m2011-11-26T16:44:17+00:00 heroku[api]:←[0m Deploy 277a3f4 by [email protected] 
thrillengine.com 
←[36m2011-11-26T16:44:17+00:00 heroku[api]:←[0m Release v4 created by emils.veve 
    [email protected] 
←[32m2011-11-26T16:44:18+00:00 heroku[web.1]:←[0m State changed from created to 
    starting 
←[33m2011-11-26T16:44:18+00:00 heroku[slugc]:←[0m Slug compilation finished 
←[32m2011-11-26T16:44:28+00:00 heroku[web.1]:←[0m State changed from starting to 
    up 
←[35m2011-11-26T17:09:51+00:00 heroku[nginx]:←[0m 81.198.241.178 - - [26/Nov/201 
    1:09:09:51 -0800] "GET/HTTP/1.1" 500 728 "-" "Mozilla/5.0 (Windows NT 5.1; rv: 
    8.0) Gecko/20100101 Firefox/8.0" stormy-night-6239.heroku.com 
←[32m2011-11-26T18:12:59+00:00 heroku[web.1]:←[0m Idling 
←[32m2011-11-26T18:13:00+00:00 heroku[web.1]:←[0m State changed from up to down 
←[32m2011-11-26T18:13:00+00:00 heroku[web.1]:←[0m State changed from down to cre 
    ated 
←[32m2011-11-26T18:13:01+00:00 heroku[web.1]:←[0m State changed from created to 
starting 
←[32m2011-11-26T18:13:02+00:00 heroku[web.1]:←[0m Stopping process with SIGTERM 
←[32m2011-11-26T18:13:02+00:00 app[web.1]:←[0m >> Stopping ... 
←[32m2011-11-26T18:13:02+00:00 heroku[web.1]:←[0m Process exited 
←[32m2011-11-26T18:13:11+00:00 app[web.1]:←[0m >> Thin web server (v1.2.6 codena 
    me Crazy Delicious) 
←[32m2011-11-26T18:13:11+00:00 app[web.1]:←[0m >> Maximum connections set to 102 
    4 
←[32m2011-11-26T18:13:11+00:00 app[web.1]:←[0m >> Listening on 0.0.0.0:29604, CT 
RL+C to stop 
←[32m2011-11-26T18:13:12+00:00 heroku[web.1]:←[0m State changed from starting to 
up 
←[32m2011-11-26T19:16:24+00:00 heroku[web.1]:←[0m Idling 
←[32m2011-11-26T19:16:25+00:00 heroku[web.1]:←[0m State changed from up to down 
←[32m2011-11-27T11:29:48+00:00 heroku[web.1]:←[0m Unidling 
←[32m2011-11-27T11:29:48+00:00 heroku[web.1]:←[0m State changed from down to cre 
ated 
←[32m2011-11-27T11:29:50+00:00 heroku[web.1]:←[0m State changed from created to 
starting 
←[32m2011-11-27T11:29:53+00:00 heroku[web.1]:←[0m Starting process with command 
`thin -p 16668 -e production -R /home/heroku_rack/heroku.ru start` 
←[32m2011-11-27T11:29:59+00:00 app[web.1]:←[0m >> Thin web server (v1.2.6 codena 
me Crazy Delicious) 
←[32m2011-11-27T11:29:59+00:00 app[web.1]:←[0m >> Maximum connections set to 102 
4 
←[32m2011-11-27T11:29:59+00:00 app[web.1]:←[0m >> Listening on 0.0.0.0:16668, CT 
RL+C to stop 
←[32m2011-11-27T11:30:00+00:00 heroku[web.1]:←[0m State changed from starting to 
up 
←[31m2011-11-27T11:30:01+00:00 heroku[router]:←[0m GET stormy-night-6239.heroku. 
com/ dyno=web.1 queue=0 wait=0ms service=230ms status=500 bytes=728

我沒有看到任何錯誤存在。

我也嘗試運行的Heroku耙分貝：遷移而gotthis錯誤：

rake aborted! 
An error has occurred, this and all later migrations canceled: 

PGError: ERROR: column "location_id" of relation "trips" already exists 
: ALTER TABLE "trips" ADD COLUMN "location_id" integer

目前我真的不明白什麼，在哪裏看，什麼改變。一切工作正常我的本地機器，強硬！

感謝您的任何幫助/ ROR新手！

UPDATE：

Heroku的耙分貝之後：重新

Couldn't drop dahrzbhlza : #<ActiveRecord::StatementInvalid: PGError: ERROR: mu 
st be owner of database dahrzbhlza 
: DROP DATABASE IF EXISTS "dahrzbhlza"> 
dahrzbhlza already exists 
-- create_table("categories", {:force=>true}) 
-> 0.0595s 
-- create_table("categories_trips", {:id=>false, :force=>true}) 
-> 0.0031s 
-- create_table("details", {:force=>true}) 
-> 0.0129s 
-- create_table("details_trips", {:id=>false, :force=>true}) 
-> 0.0042s 
-- create_table("images", {:force=>true}) 
-> 0.1982s 
-- create_table("locations", {:force=>true}) 
-> 0.1065s 
-- create_table("trips", {:force=>true}) 
-> 0.0422s 
-- create_table("users", {:force=>true}) 
-> 0.1486s 
-- add_index("users", ["email"], {:name=>"index_users_on_email", :unique=>true}) 

-> 0.0102s 
-- initialize_schema_migrations_table() 
-> 0.0017s 
-- assume_migrated_upto_version(20111116120713, ["/app/db/migrate"]) 
-> 0.0091s

Heroku的耙分貝後：遷移：重做

== AddTitleToImages: reverting =============================================== 
-- remove_column("images", :title) 
-> 0.0058s 
== AddTitleToImages: reverted (0.0059s) ====================================== 

== AddTitleToImages: migrating =============================================== 
-- add_column(:images, :title, :string) 
-> 0.0032s 
== AddTitleToImages: migrated (0.0033s) ======================================

另一個問題 - 爲什麼它被移植只有這兩個上面列 - 不是全部？

來源

2011-11-27 emilsw

你希望做的另一件事是轉移到雪松堆棧的Rails 3.1網站 - 你正在運行竹堆棧跟蹤 - heroku create --stack cedar然後重新刷新。你也不需要在你的gem文件中列出的rubyracer gem，它非常渴望記憶，並且不再需要Cedar。

來源

2011-11-28 08:06:51

這真的有效！感謝大家的幫助。 – emilsw

試試這個

group :production do 
    # gems specifically for Heroku go here 
    gem 'therubyracer-heroku', '0.8.1.pre3' 
    gem "pg" 
end

來源

2011-11-27 13:45:14 jamiethepiper

好吧，我做到了，但現在我有另一個PGError：錯誤：。這次它是：←[0m ActionView :: Template :: Error（PGEr ror：錯誤：關係「類別」不存在 - 你如何解決它們？ – emilsw

再次運行heroku rake db：migrate，現在它只是PGError：錯誤：關係「旅行」的列「location_id」已經存在：ALTER TABLE「trips」ADD COLUMN「location_id」整數 – emilsw

現在看起來你的數據庫在遷移中被破壞了如果數據庫中沒有重要數據，帶'heroku db：reset'的數據庫並重做遷移。 – miaout17

嘗試通過從本地機器推動工作副本重建數據庫。您可以使用taps爲，像這樣

#On your local machine, that has a working database 
$heroku db:push

一旦它們是相同的，你應該遷移開始做更有意義。

來源

2011-11-27 21:05:19 leonardoborges

我已經試過heroku db：push - 仍然沒有變化，仍然是「我們很抱歉，但是出錯了。」 – emilsw

部署Rails 3.1應用程序到heroku錯誤（sqlite3-> Postgresql）？

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