Failed to open TCP connection to 127.0.0.1:44525

[HonMoo]

In the Ubuntu arm64 environment, arachni 1.5.1 cannot run normally after installation.

root@0f109c4bd03f:~# arachni http://testhtml5.vulnweb.com
Arachni - Web Application Security Scanner Framework v1.5.1
   Author: Tasos "Zapotek" Laskos <tasos.laskos@arachni-scanner.com>

           (With the support of the community and the Arachni Team.)

   Website:       http://arachni-scanner.com
   Documentation: http://arachni-scanner.com/wiki


 [~] No checks were specified, loading all.
 [~] No element audit options were specified, will audit links, forms, cookies, UI inputs, UI forms, JSONs and XMLs.

 [*] Initializing...
 [*] Preparing plugins...
 [*] ... done.
 [*] BrowserCluster: Initializing 6 browsers...
 [-] [utilities#exception_jail:428] [Errno::ECONNREFUSED] Failed to open TCP connection to 127.0.0.1:44525 (Connection refused - connect(2) for "127.0.0.1" port 44525)
 [-] [utilities#exception_jail:428] /usr/local/rvm/rubies/ruby-2.3.8/lib/ruby/2.3.0/net/http.rb:882:in `rescue in block in connect'
 [-] [utilities#exception_jail:428] /usr/local/rvm/rubies/ruby-2.3.8/lib/ruby/2.3.0/net/http.rb:879:in `block in connect'
 [-] [utilities#exception_jail:428] /usr/local/rvm/rubies/ruby-2.3.8/lib/ruby/2.3.0/timeout.rb:91:in `block in timeout'
 [-] [utilities#exception_jail:428] /usr/local/rvm/rubies/ruby-2.3.8/lib/ruby/2.3.0/timeout.rb:101:in `timeout'
 [-] [utilities#exception_jail:428] /usr/local/rvm/rubies/ruby-2.3.8/lib/ruby/2.3.0/net/http.rb:878:in `connect'
 [-] [utilities#exception_jail:428] /usr/local/rvm/rubies/ruby-2.3.8/lib/ruby/2.3.0/net/http.rb:863:in `do_start'
 [-] [utilities#exception_jail:428] /usr/local/rvm/rubies/ruby-2.3.8/lib/ruby/2.3.0/net/http.rb:852:in `start'
 [-] [utilities#exception_jail:428] /usr/local/rvm/rubies/ruby-2.3.8/lib/ruby/2.3.0/net/http.rb:1384:in `request'
 [-] [utilities#exception_jail:428] /usr/local/rvm/gems/ruby-2.3.8/gems/selenium-webdriver-3.0.1/lib/selenium/webdriver/remote/http/default.rb:103:in `response_for'
 [-] [utilities#exception_jail:428] /usr/local/rvm/gems/ruby-2.3.8/gems/selenium-webdriver-3.0.1/lib/selenium/webdriver/remote/http/default.rb:57:in `request'
 [-] [utilities#exception_jail:428] /usr/local/rvm/gems/ruby-2.3.8/gems/selenium-webdriver-3.0.1/lib/selenium/webdriver/remote/http/common.rb:59:in `call'
 [-] [utilities#exception_jail:428] /usr/local/rvm/gems/ruby-2.3.8/gems/selenium-webdriver-3.0.1/lib/selenium/webdriver/remote/bridge.rb:653:in `raw_execute'
 [-] [utilities#exception_jail:428] /usr/local/rvm/gems/ruby-2.3.8/gems/selenium-webdriver-3.0.1/lib/selenium/webdriver/remote/bridge.rb:124:in `create_session'
 [-] [utilities#exception_jail:428] /usr/local/rvm/gems/ruby-2.3.8/gems/selenium-webdriver-3.0.1/lib/selenium/webdriver/remote/bridge.rb:88:in `initialize'
 [-] [utilities#exception_jail:428] /usr/local/rvm/gems/ruby-2.3.8/gems/selenium-webdriver-3.0.1/lib/selenium/webdriver/common/driver.rb:57:in `new'
 [-] [utilities#exception_jail:428] /usr/local/rvm/gems/ruby-2.3.8/gems/selenium-webdriver-3.0.1/lib/selenium/webdriver/common/driver.rb:57:in `for'
 [-] [utilities#exception_jail:428] /usr/local/rvm/gems/ruby-2.3.8/gems/selenium-webdriver-3.0.1/lib/selenium/webdriver.rb:82:in `for'
 [-] [utilities#exception_jail:428] /usr/local/rvm/gems/ruby-2.3.8/gems/arachni-1.5.1/lib/arachni/browser.rb:1109:in `selenium'
 [-] [utilities#exception_jail:428] /usr/local/rvm/gems/ruby-2.3.8/gems/arachni-1.5.1/lib/arachni/browser.rb:1337:in `start_webdriver'
 [-] [utilities#exception_jail:428] /usr/local/rvm/gems/ruby-2.3.8/gems/arachni-1.5.1/lib/arachni/browser.rb:187:in `initialize'
 [-] [utilities#exception_jail:428] /usr/local/rvm/gems/ruby-2.3.8/gems/arachni-1.5.1/lib/arachni/browser_cluster/worker.rb:51:in `initialize'
 [-] [utilities#exception_jail:428] /usr/local/rvm/gems/ruby-2.3.8/gems/arachni-1.5.1/lib/arachni/browser_cluster.rb:495:in `new'
 [-] [utilities#exception_jail:428] /usr/local/rvm/gems/ruby-2.3.8/gems/arachni-1.5.1/lib/arachni/browser_cluster.rb:495:in `block in initialize_workers'
 [-] [utilities#exception_jail:428] /usr/local/rvm/gems/ruby-2.3.8/gems/arachni-1.5.1/lib/arachni/browser_cluster.rb:494:in `times'
 [-] [utilities#exception_jail:428] /usr/local/rvm/gems/ruby-2.3.8/gems/arachni-1.5.1/lib/arachni/browser_cluster.rb:494:in `initialize_workers'
 [-] [utilities#exception_jail:428] /usr/local/rvm/gems/ruby-2.3.8/gems/arachni-1.5.1/lib/arachni/browser_cluster.rb:112:in `initialize'
 [-] [utilities#exception_jail:428] /usr/local/rvm/gems/ruby-2.3.8/gems/arachni-1.5.1/lib/arachni/framework/parts/browser.rb:33:in `new'
 [-] [utilities#exception_jail:428] /usr/local/rvm/gems/ruby-2.3.8/gems/arachni-1.5.1/lib/arachni/framework/parts/browser.rb:33:in `block in browser_cluster'
 [-] [utilities#exception_jail:428] /usr/local/rvm/rubies/ruby-2.3.8/lib/ruby/2.3.0/monitor.rb:214:in `mon_synchronize'
 [-] [utilities#exception_jail:428] /usr/local/rvm/gems/ruby-2.3.8/gems/arachni-1.5.1/lib/arachni/framework/parts/browser.rb:28:in `browser_cluster'
 [-] [utilities#exception_jail:428] /usr/local/rvm/gems/ruby-2.3.8/gems/arachni-1.5.1/lib/arachni/framework/parts/audit.rb:173:in `audit'
 [-] [utilities#exception_jail:428] /usr/local/rvm/gems/ruby-2.3.8/gems/arachni-1.5.1/lib/arachni/framework.rb:117:in `block in run'
 [-] [utilities#exception_jail:428] /usr/local/rvm/gems/ruby-2.3.8/gems/arachni-1.5.1/lib/arachni/utilities.rb:425:in `exception_jail'
 [-] [utilities#exception_jail:428] /usr/local/rvm/gems/ruby-2.3.8/gems/arachni-1.5.1/lib/arachni/framework.rb:117:in `run'
 [-] [utilities#exception_jail:428] /usr/local/rvm/gems/ruby-2.3.8/gems/arachni-1.5.1/ui/cli/framework.rb:80:in `block in run'
 [-] [utilities#exception_jail:429]
 [-] [utilities#exception_jail:430] Parent:
 [-] [utilities#exception_jail:431] Arachni::Framework
 [-] [utilities#exception_jail:432]
 [-] [utilities#exception_jail:433] Block:
 [-] [utilities#exception_jail:434] #<Proc:0x0000aaadd493ff30@/usr/local/rvm/gems/ruby-2.3.8/gems/arachni-1.5.1/lib/arachni/framework.rb:117>
 [-] [utilities#exception_jail:435]
 [-] [utilities#exception_jail:436] Caller:
 [-] [utilities#exception_jail:437] /usr/local/rvm/gems/ruby-2.3.8/gems/arachni-1.5.1/lib/arachni/utilities.rb:424:in `exception_jail'
 [-] [utilities#exception_jail:437] /usr/local/rvm/gems/ruby-2.3.8/gems/arachni-1.5.1/lib/arachni/framework.rb:117:in `run'
 [-] [utilities#exception_jail:437] /usr/local/rvm/gems/ruby-2.3.8/gems/arachni-1.5.1/ui/cli/framework.rb:80:in `block in run'
 [-] [utilities#exception_jail:438] --------------------------------------------------------------------------------

root@0f109c4bd03f:~# phantomjs -v
QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'
2.1.1

Using arachni_ rest_server The server will also make an error

root@0f109c4bd03f:~# arachni_rest_server --address 0.0.0.0 --port 9999
Doing `require 'backports'` is deprecated and will not load any backport in the next major release.
Require just the needed backports instead, or 'backports/latest'.
Arachni - Web Application Security Scanner Framework v1.5.1
   Author: Tasos "Zapotek" Laskos <tasos.laskos@arachni-scanner.com>

           (With the support of the community and the Arachni Team.)

   Website:       http://arachni-scanner.com
   Documentation: http://arachni-scanner.com/wiki


 [*] Listening on http://0.0.0.0:9999
/usr/local/rvm/gems/ruby-2.3.8/gems/arachni-1.5.1/lib/arachni/processes/executables/base.rb:9:in `load': undefined class/module Set (ArgumentError)
        from /usr/local/rvm/gems/ruby-2.3.8/gems/arachni-1.5.1/lib/arachni/processes/executables/base.rb:9:in `<main>'

I print out Options.paths.root and Options.paths.lib is Empty string。