系统环境 centos
Linux 2.6.32-358.el6.x86_64 #1 SMP Fri Feb 22 00:31:26 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
ruby 版本
ruby -v ruby 2.1.3p242 (2014-09-19 revision 47630) [x86_64-linux]
rails Rails 4.1.9
rails s
There was an error while trying to load the gem 'tesseract-ocr'. (Bundler::GemRequireError)
/root/.rvm/gems/ruby-2.1.3/gems/bundler-1.11.2/lib/bundler/runtime.rb:80:in `rescue in block (2 levels) in require'
/root/.rvm/gems/ruby-2.1.3/gems/bundler-1.11.2/lib/bundler/runtime.rb:76:in `block (2 levels) in require'
/root/.rvm/gems/ruby-2.1.3/gems/bundler-1.11.2/lib/bundler/runtime.rb:72:in `each'
/root/.rvm/gems/ruby-2.1.3/gems/bundler-1.11.2/lib/bundler/runtime.rb:72:in `block in require'
/root/.rvm/gems/ruby-2.1.3/gems/bundler-1.11.2/lib/bundler/runtime.rb:61:in `each'
/root/.rvm/gems/ruby-2.1.3/gems/bundler-1.11.2/lib/bundler/runtime.rb:61:in `require'
/root/.rvm/gems/ruby-2.1.3/gems/bundler-1.11.2/lib/bundler.rb:99:in `require'
/www/xxx/config/application.rb:14:in `<top (required)>'
/www/xxx/config/environment.rb:2:in `require'
/www/xxx/config/environment.rb:2:in `<top (required)>'
config.ru:3:in `require'
config.ru:3:in `block in <main>'
/root/.rvm/gems/ruby-2.1.3/gems/rack-1.5.5/lib/rack/builder.rb:55:in `instance_eval'
/root/.rvm/gems/ruby-2.1.3/gems/rack-1.5.5/lib/rack/builder.rb:55:in `initialize'
config.ru:1:in `new'
config.ru:1:in `<main>'
/root/.rvm/gems/ruby-2.1.3/gems/passenger-5.0.27/src/helper-scripts/rack-preloader.rb:110:in `eval'
/root/.rvm/gems/ruby-2.1.3/gems/passenger-5.0.27/src/helper-scripts/rack-preloader.rb:110:in `preload_app'
/root/.rvm/gems/ruby-2.1.3/gems/passenger-5.0.27/src/helper-scripts/rack-preloader.rb:156:in `<module:App>'
/root/.rvm/gems/ruby-2.1.3/gems/passenger-5.0.27/src/helper-scripts/rack-preloader.rb:30:in `<module:PhusionPassenger>'
/root/.rvm/gems/ruby-2.1.3/gems/passenger-5.0.27/src/helper-scripts/rack-preloader.rb:29:in `<main>'
tesseract -v
tesseract 3.04.00
leptonica-1.72
libgif 4.1.6(?) : libjpeg 6b (libjpeg-turbo 1.2.1) : libpng 1.2.49 : libtiff 3.9.4 : zlib 1.2.3 : libwebp 0.4.3
nginx 的配置
passenger_root /root/.rvm/gems/ruby-2.1.3/gems/passenger-5.0.27;
passenger_ruby /root/.rvm/gems/ruby-2.1.3/wrappers/ruby;
问题已解决 解决方案
移除之前已经安装的 libtesseract 和 libleptonica
yum remove libtesseract libleptonica
安装 leptonica-devel tesseract-devel
For debian based systems
sudo apt-get install libleptonica-dev libtesseract-dev
For redhat base systems
sudo yum insall leptonica-devel tesseract-devel
错误处理：Unable to load library 'tesseract': libtesseract.so: cannot open shared object file: No such file or directory
export LD_LIBRARY_PATH=/usr/local/lib
相关资料
Error setting up the tesseract OCR in gem in rails github issue centos 编译安装 tesseract Leptonica ruby-tesseract-ocr
brew install leptonica-devel 我这边安装的时候为什么找不到呀 Error: No available formula with the name "leptonica-devel" ==> Searching for similarly named formulae... Error: No similarly named formulae found. ==> Searching taps... Error: No formulae found in taps.