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in reply to Using WWW::Selenium To Test Or Automate An Ajax Website

I think I may have the same port 4444 problem with some code I tried to write to learn how to use Selenium. Basically I tried to write a perl program on Ubuntu to automate the entry of cokezone codes on the www.cokezone.co.uk website. From my terminal I got the following results:

icleave@icleave:~/Desktop/CokeZone$ perl cokezone.pl
Error requesting http://localhost:4444/selenium-server/driver/?cmd=get
+NewBrowserSession&1=*chrome&2=http%3A%2F%2Fwww.cokezone.co.uk%2F:
500 Can't connect to localhost:4444 (connect: Connection refused)
# Looks like your test exited with 111 before it could output anything
+.

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What advice do you have for sorting this out on Ubuntu? Many thanks, Icleave

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Re^2: Using WWW::Selenium To Test Or Automate An Ajax Website
by Limbic~Region (Chancellor) on Nov 24, 2009 at 17:21 UTC
    icleave,
    Are you running the Selenium core? You need to have Selenium running before you can use the Selenium Remote-Control (driven by WWW::Selenium. It should be along the lines of (from memory and likely off a bit): 
    java --jar selenium-core.jar

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    You can verify that you have something listening on port 4444 by doing a netstat -an | grep LISTEN | grep 4444. If you don't see anything then you haven't properly started Selenium.

    Cheers - L~R

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      Ty Limbic~Region for the post. I wasn't aware I needed to run the Selenium core. I did try running $netstat -an | grep LISTEN | grep 4444 and it didn't do anything so I figured I really didn't have the Selenium core.

      I tried running the $java --jar selenium-core.jar suggestion from my terminal but I got the following error: 

      Unrecognized option: --jar
Could not create the Java virtual machine.

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      I guessed you meant "-jar" rather than "--jar" so I retyped the command at the terminal but I got the following:

      The program 'java' can be found in the following packages: * gij-4.3 * java-gcj-compat-headless * openjdk-6-jre-headless * cacao * gij-4.2 * jamvm * kaffe Try: sudo apt-get install <selected package> bash: java: command not found

      So I tired "sudo apt-get selenium-core" hoping this would work but it didn't. So the next thing I did was try searching the Synaptic Package Manager with no luck. I then googled and found http://release.seleniumhq.org/selenium-core/1.0.1/selenium-core-1.0.1.zip. I downloaded it and extracted but I couldn't make heads or tails of what to do next after reading the 'install-readme.txt.'

      Any advice on how I actually install Selenium core on Ubuntu? All my other searches for information on this didn't result in anything I could use.

      Also assuming that I get Selenium core running, is there any code I need to know about to "start" the Selenium core? I can't remember where I read it, but I read that you need the following code in your perl program:

      $sel->start();

      If so, where do I put it? I put it in my program here:

      my $sel = Test::WWW::Selenium->new( host => "localhost", 
                                    port => 4444, 
                                    browser => "*chrome", 
                                    browser_url => "http://www.example
+.com/" );

$sel->start();
$sel->open("/home/index.jsp");

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      Did I get this code position correct?

      Many thanks for the help!

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        icleave,
        Any advice on how I actually install Selenium core on Ubuntu?

        There really isn't anything to install. You just download the jar files and run them. Looking at the error message you got, I would guess you don't have Java installed. You need to install Java to run Selenium. WWW::Selenium is a perl interface to Selenium Remote Control only.

        Did I get this code position correct?

        Yes. You should always check the SYNOPSIS in TFM which shows you the typical usage.

        Cheers - L~R

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      Nowadays, it is (apparently) recommended to use Selenium RC server instead — Selenium Core is no longer maintained. You can download it from http://seleniumhq.org/download/.

      To run it, do 

      java -jar selenium-server.jar

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      Make sure to use a recent enough version of Java, it fails here with java 1.4.2 but it works with 1.6.0.

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