Can set the Display of firefox binary for Remote machine

[DC]

Hi,

 

I need to run my test on one of my LINUX(HUB and Node running on same box) by trigger tests from CI box. For that purpose i wanted to set the DISPLAY for the FF binary.

 

Below is the code i have used, but i am getting exception

 

//Code

 

DesiredCapabilities Capabilities = null;
System.setProperty("webdriver.firefox.bin", "/usr/local/firefox/15.0.1/firefox"); //Path of FF binary

(Not sure how to set the path on Remote box)
FirefoxBinary firefoxBinary = new FirefoxBinary();
firefoxBinary.setEnvironmentProperty("DISPLAY", ":4");
FirefoxProfile profile = new FirefoxProfile();
//..

 

Capabilities = DesiredCapabilities.firefox();
Capabilities.setCapability(FirefoxDriver.PROFILE, profile);
Capabilities.setCapability(FirefoxDriver.BINARY, firefoxBinary);
Capabilities.setJavascriptEnabled(true);
Capabilities.setPlatform(Platform.LINUX);
Capabilities.setBrowserName("firefox");
Capabilities.setVersion("15");

 WebDriver driver =
     new RemoteWebDriver(new URL("http://xyz:4444/wd/hub/"), Capabilities);

 

Exception:

Exception in thread "main"

org.openqa.selenium.WebDriverException: java.util.HashMap cannot be cast to java.lang.String

Command duration or timeout: 1.58 seconds

Build info: version: '2.24.1', revision: '17205', time: '2012-06-19 17:28:14'

System info: os.name: 'Windows 7', os.arch: 'x86', os.version: '6.1', java.version: '1.7.0_03'

Driver info: driver.version: RemoteWebDriver

[Mike Riley]

Firefox 15 was not supporter until version 2.26.0 of Selenium.  Maybe updating your Selenium will fix the problem.

In Linux I would think it would inherit the DISPLAY setting from the server that starts the browser though.  Just a thought.

Mike

[DC]

Thanks Mike!!!

[Krishnan Mahadevan]

Mike,

That still doesnt explain this exception : org.openqa.selenium.WebDriverException: java.util.HashMap cannot be cast to java.lang.String

DC,

Can you please share your complete stacktrace. First look at this error and I feel that there was a problem when internally RemoteWebDriver tried converting your capabilities into a hashmap.

Thanks & Regards
Krishnan Mahadevan

"All the desirable things in life are either illegal, expensive, fattening or in love with someone else!"
My Scribblings @ http://wakened-cognition.blogspot.com/

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[Debabrata Chakraborty]

Thanks for replying..

 

Here is the stacktrace:

Exception in thread "main"

org.openqa.selenium.WebDriverException

: java.util.HashMap cannot be cast to java.lang.String

Command duration or timeout: 2.29 seconds

Build info: version: '2.24.1', revision: '17205', time: '2012-06-19 17:28:14'

System info: os.name: 'Windows 7', os.arch: 'x86', os.version: '6.1', java.version: '1.7.0_03'

Driver info: driver.version: RemoteWebDriver

Session ID:

at sun.reflect.NativeConstructorAccessorImpl.newInstance0(

Native Method)

at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)

at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)

at java.lang.reflect.Constructor.newInstance(Unknown Source)

at org.openqa.selenium.remote.ErrorHandler.createThrowable(

ErrorHandler.java:188)

at org.openqa.selenium.remote.ErrorHandler.throwIfResponseFailed(

ErrorHandler.java:145)

at org.openqa.selenium.remote.RemoteWebDriver.execute(

RemoteWebDriver.java:472)

at org.openqa.selenium.remote.RemoteWebDriver.startSession(

RemoteWebDriver.java:155)

at org.openqa.selenium.remote.RemoteWebDriver.<init>(

RemoteWebDriver.java:107)

at org.openqa.selenium.remote.RemoteWebDriver.<init>(

RemoteWebDriver.java:115)

at TrailAndTest.MainClass.main(

MainClass.java:154)

Caused by:

java.lang.ClassCastException: java.util.HashMap cannot be cast to java.lang.String

at org.openqa.selenium.firefox.FirefoxDriver.getBinary(

FirefoxDriver.java:167)

at org.openqa.selenium.firefox.FirefoxDriver.<init>(

FirefoxDriver.java:100)

at sun.reflect.NativeConstructorAccessorImpl.newInstance0(

Native Method)

at sun.reflect.NativeConstructorAccessorImpl.newInstance(

NativeConstructorAccessorImpl.java:57)

at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(

DelegatingConstructorAccessorImpl.java:45)

at java.lang.reflect.Constructor.newInstance(

Constructor.java:532)

at org.openqa.selenium.remote.server.DefaultDriverFactory.callConstructor(

DefaultDriverFactory.java:57)

at org.openqa.selenium.remote.server.DefaultDriverFactory.newInstance(

DefaultDriverFactory.java:51)

at org.openqa.selenium.remote.server.DefaultSession$BrowserCreator.call(

DefaultSession.java:196)

at org.openqa.selenium.remote.server.DefaultSession$BrowserCreator.call(

DefaultSession.java:1)

at java.util.concurrent.FutureTask$Sync.innerRun(

FutureTask.java:334)

at java.util.concurrent.FutureTask.run(

FutureTask.java:166)

at org.openqa.selenium.remote.server.DefaultSession$1.run(

DefaultSession.java:150)

at java.util.concurrent.ThreadPoolExecutor.runWorker(

ThreadPoolExecutor.java:1110)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(

ThreadPoolExecutor.java:603)

at java.lang.Thread.run(

Thread.java:679)

--
Thanks,
Debabrata

[Debabrata Chakraborty]

Hi kamalakar vadla .

 

I haven't got the solution.

 

Thanks,

Debabrata

On Fri, Nov 16, 2012 at 5:00 PM, kamalakar vadla <vkcha...@gmail.com> wrote:

Hi DC ,

How did u solved this issue?

I am using selenium 2.26 .jar


My Code:


public static void main(String[] args) throws IOException {
       
       
        RemoteWebDriver rdriver= null;

        // Setup firefox binary to start in Xvfb       
        String Xport = System.getProperty("lmportal.xvfb.id", ":1");
       final File firefoxPath = new File(System.getProperty("lmportal.deploy.firefox.path", "/usr/bin/firefox"));
        FirefoxBinary firefoxBinary = new FirefoxBinary(firefoxPath);
        firefoxBinary.setEnvironmentProperty("DISPLAY", Xport);

        // Start Firefox driver
        //WebDriver driver = new FirefoxDriver(firefoxBinary, null);
       
        DesiredCapabilities capability = null;
        capability = DesiredCapabilities.firefox();
        capability.setCapability(FirefoxDriver.BINARY, firefoxBinary);
  
       
       
        capability.setJavascriptEnabled(true);
       
        rdriver = new RemoteWebDriver(new URL("http://localhost:4444/wd/hub"), capability);
       
       
        rdriver.manage().timeouts().implicitlyWait(30, TimeUnit.SECONDS);
        driver.get("http://google.com/");
  

        // Take snapshot of browser
        File srcFile = ((TakesScreenshot)rdriver).getScreenshotAs(OutputType.FILE);
        FileUtils.copyFile(srcFile, new File("ffsnapshot1.png"));
        rdriver.quit();





Issue :
 stack trace :

  xception in thread "main" org.openqa.selenium.WebDriverException: java.util.HashMap cannot be cast to java.lang.String

Command duration or timeout: 191 milliseconds
Build info: version: '2.26.0', revision: '18041', time: '2012-11-01 19:33:38'
System info: os.name: 'Linux', os.arch: 'amd64', os.version: '3.2.0-30-generic', java.version: '1.6.0_29'

Driver info: driver.version: RemoteWebDriver
Session ID:
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
    at org.openqa.selenium.remote.ErrorHandler.createThrowable(ErrorHandler.java:188)
    at org.openqa.selenium.remote.ErrorHandler.throwIfResponseFailed(ErrorHandler.java:145)
    at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:531)
    at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:215)
    at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:110)
    at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:128)
    at com.socialtwist.taf.webdriver.Test.main(Test.java:44)
Caused by: java.lang.ClassCastException: java.util.HashMap cannot be cast to java.lang.String
    at org.openqa.selenium.firefox.FirefoxDriver.getBinary(FirefoxDriver.java:171)
    at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:99)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
    at org.openqa.selenium.remote.server.DefaultDriverFactory.callConstructor(DefaultDriverFactory.java:57)
    at org.openqa.selenium.remote.server.DefaultDriverFactory.newInstance(DefaultDriverFactory.java:51)
    at org.openqa.selenium.remote.server.DefaultSession$BrowserCreator.call(DefaultSession.java:196)
    at org.openqa.selenium.remote.server.DefaultSession$BrowserCreator.call(DefaultSession.java:1)
    at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
    at java.util.concurrent.FutureTask.run(FutureTask.java:138)
    at org.openqa.selenium.remote.server.DefaultSession$1.run(DefaultSession.java:150)
    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
    at java.lang.Thread.run(Thread.java:662)

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Thanks,
Debabrata

[Mike Riley]

Are you using the Java from Oracle on this system, or the OpenJDK version that a lot of Linux distributions install by default?

I always make sure to replace the OpenJDK with the genuine Oracle version, since that is (supposed to be) the same as far as feature support going from one OS to another.  The OpenJDK seems to have some features missing, or simply lags the release of features in the Oracle version.

I can't say that explains it, but it is worth checking.

Mike

[Debabrata Chakraborty]

Thanks for your suggestion.. But i am using Official version of Java, i checked.

 

Thanks,

Debabrata

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Thanks,
Debabrata