Versions Compared

Old Version 7

changes.mady.by.user Marc-Antoine Garrigue

Saved on

compared with

New Version Current

changes.mady.by.user AntoineV

Saved on

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.
Comment: Migrated to Confluence 5.3

...

...

  • [http://www.bestkungfu.com/index.php?s=captcha&submit=Go}
    Logic puzzle solution, and

...

  • Sound captchas

...

  • are now available with JCaptcha

X11

Question :
Argh! :

com.octo.captcha.CaptchaException: java.lang.InternalError: Can"t connect to X11 window server using ":0.0" as the value of the DISPLAY variable.
Or
java.awt.HeadlessException:
No X11 DISPLAY variable was
set, but this program performed an operation which requires it.

...

Image generation is a very heavy process : it cost a lot of CPU and RAM.
A particular attention has been given to performance in the devellopement and test process of JCaptcha.
In order to achieve transparency on this subject, the framework is heavily load tested, and tests results are provided in the source distribution.
The tests are currently run on my own PC wich is a standard home computervarious plateforms including wintel, linux, and sparc/ux.
We encourage you to run and publish the load tests on your own production platform...
Load tests concerns :

  • JCaptcha engines integration load tests: to compare the CPU/RAM cost of a particular captcha test generation
  • JCaptcha services mocked load tests: to compare the CPU/RAM cost of a particular life cycle management strategy
  • JCaptcha services integration load tests: to compare the CPU/RAM cost of a particular life cycle management strategy with a particular
    see :
  • Engine junit report
  • Service junit report To run load tests, simply run maven having this line commented in the build.properties file :
    Code Block
    
 jcaptcha.load.test.exclude=**/*LoadTest*.*
    see : http://fisheye1.cenqua.com/browse/jcaptcha/jcaptcha/build.properties?r=1.15#l7

Management and JMX

The jcaptcha service provide some jmx facilities.
A manageable service provides :

  • Runtime engine switch
  • Usage and success statistics
  • Cache and Buffer management
    The current implementation of the ManageableCaptchaService interface is JMX enabled.
    All modules includes a JMX registration parameter that automatically register the Jcaptcha Service
    to a JMX server.
    See modules documentation and java docs for details.

TODO : refactor the FAQ