how to resolve "undefined method `max_concurrency'"

Created by: gripedthumbtacks

$ ruby1.9.1 arachni http://testfire.net Arachni - Web Application Security Scanner Framework v0.2.2.1 [0.2.1] Author: Tasos "Zapotek" Laskos tasos.laskos@gmail.com zapotek@segfault.gr (With the support of the community and the Arachni Team.)

   Website:       http://github.com/Zapotek/arachni
   Documentation: http://github.com/Zapotek/arachni/wiki

[] No modules were specified. [] -> Will run all mods. [] No audit options were specified. [] -> Will audit links, forms and cookies. [] Initing... [] Waiting for plugins to settle... [-] undefined method max_concurrency' for #<Typhoeus::Hydra:0x00000001bc15a0> [-] undefined methodmax_concurrency' for #Typhoeus::Hydra:0x00000001bc15a0 [-] undefined method max_concurrency' for #<Typhoeus::Hydra:0x00000001bc15a0> [-] [Error: undefined methodmax_concurrency' for #Typhoeus::Hydra:0x00000001bc15a0] http://testfire.net/

[+] Web Application Security Report - Arachni Framework

[] Report generated on: 2011-02-15 02:24:29 -0800 [] Report false positives: http://github.com/Zapotek/arachni/issues

[+] System settings: [] --------------- [] Version: 0.2.2.1 [] Revision: 0.2.1 [] Audit started on: Tue Feb 15 02:24:25 2011 [] Audit finished on: Tue Feb 15 02:24:27 2011 [] Runtime: 00:00:01

[] URL: http://testfire.net/ [] User agent: Arachni/0.2.2.1

[*] Audited elements: [] * Links [] * Forms [~] * Cookies

[*] Modules: unencrypted_password_forms, backup_files, allowed_methods, directory_listing, interesting_responses, http_put, private_ip, credit_card, cvs_svn_users, captcha, ssn, html_objects, emails, webdav, backdoors, common_directories, xst, htaccess_limit, common_files, xss_path, response_splitting, code_injection_timing, xss_uri, csrf, xss_tag, os_cmd_injection, code_injection, xss, rfi, xpath, trainer, sqli_blind_rdiff, sqli, os_cmd_injection_timing, sqli_blind_timing, xss_script_tag, unvalidated_redirect, xss_event, path_traversal, ldapi

[*] Filters: [] Exclude: [] Include: ~ [~] Redundant:

[*] Cookies:

[~] ===========================

[+] 0 issues were detected.

[+] Plugin data: [~] ---------------

[] Dumping audit results in '2011-02-15 02:24:29 -0800.afr'. [] Done! [-] undefined method `max_concurrency' for #Typhoeus::Hydra:0x00000001bc15a0