Unable to connect to host 127.0.0.1 on port 7055 after 45000 ms. Firefox console output

[dsumi12]

getting error for firefox driver

Using Maven project and following dependency

org.seleniumhq.selenium
selenium-java
2.49.0

try to use firefox but getting error . I wrote very simple code to see fire fox drive is working or not but didn't able to fix it .
here is the code

final FirefoxProfile firefoxProfile = new FirefoxProfile();
firefoxProfile.setPreference("xpinstall.signatures.required", false);

    WebDriver driver = new FirefoxDriver();
    driver = new FirefoxDriver(firefoxProfile);

    driver.get("http://www.google.com");

Error log :

org.openqa.selenium.firefox.NotConnectedException: Unable to connect to host 127.0.0.1 on port 7055 after 45000 ms. Firefox console output:
3315035352 addons.xpi DEBUG checkForChanges
1453315035352 addons.xpi DEBUG Loaded add-on state from prefs: {"app-profile":{"fxdriver@googlecode.com":{"d":"C:\Users\Dilara\AppData\Local\Temp\anonymous5791326291667828387webdriver-profile\extensions\fxdriver@googlecode.com","e":true,"v":"2.43.1","st":1453315033617,"mt":1453315033426}},"app-global":{"{972ce4c6-7e08-4474-a285-3208198ce6fd}":{"d":"C:\Program Files (x86)\Mozilla Firefox\browser\extensions{972ce4c6-7e08-4474-a285-3208198ce6fd}","e":true,"v":"42.0","st":1453314963837,"mt":1446163995000}},"winreg-app-global":{"FIDOaddon@noknok.com":{"d":"C:\Program Files\Nok Nok Labs\Multifactor Authentication Client\bin\firefox\x86\FIDOaddon","e":false,"v":"1.3.2.3008","st":1432242570165,"mt":1413488658000}}}
1453315035353 addons.xpi DEBUG getModTime: Recursive scan of fxdriver@googlecode.com
1453315035360 addons.xpi DEBUG getModTime: Recursive scan of {972ce4c6-7e08-4474-a285-3208198ce6fd}
1453315035360 addons.xpi DEBUG getInstallState changed: false, state: {"app-profile":{"fxdriver@googlecode.com":{"d":"C:\Users\Dilara\AppData\Local\Temp\anonymous5791326291667828387webdriver-profile\extensions\fxdriver@googlecode.com","e":true,"v":"2.43.1","st":1453315033617,"mt":1453315033426}},"app-global":{"{972ce4c6-7e08-4474-a285-3208198ce6fd}":{"d":"C:\Program Files (x86)\Mozilla Firefox\browser\extensions{972ce4c6-7e08-4474-a285-3208198ce6fd}","e":true,"v":"42.0","st":1453314963837,"mt":1446163995000}},"winreg-app-global":{"FIDOaddon@noknok.com":{"d":"C:\Program Files\Nok Nok Labs\Multifactor Authentication Client\bin\firefox\x86\FIDOaddon","e":false,"v":"1.3.2.3008","st":1432242570165,"mt":1413488658000}}}
1453315035362 addons.xpi DEBUG No changes found
1453315035367 addons.manager DEBUG Registering shutdown blocker for XPIProvider
1453315035368 addons.manager DEBUG Provider finished startup: XPIProvider
1453315035368 addons.manager DEBUG Starting provider: LightweightThemeManager
1453315035368 addons.manager DEBUG Registering shutdown blocker for LightweightThemeManager
1453315035368 addons.manager DEBUG Provider finished startup: LightweightThemeManager
1453315035368 addons.manager DEBUG Starting provider: GMPProvider
1453315035372 addons.manager DEBUG Registering shutdown blocker for GMPProvider
1453315035373 addons.manager DEBUG Provider finished startup: GMPProvider
1453315035373 addons.manager DEBUG Starting provider: PluginProvider
1453315035373 addons.manager DEBUG Registering shutdown blocker for PluginProvider
1453315035373 addons.manager DEBUG Provider finished startup: PluginProvider
1453315035373 addons.manager DEBUG Completed startup sequence
1453315035444 addons.xpi-utils DEBUG Starting async load of XPI database C:\Users\Dilara\AppData\Local\Temp\anonymous5791326291667828387webdriver-profile\extensions.json
*** Blocklist::loadBlocklistFromFile: blocklist is disabled
1453315035542 addons.manager DEBUG Starting provider:
1453315035542 addons.manager DEBUG Registering shutdown blocker for
1453315035543 addons.manager DEBUG Provider finished startup:
1453315035606 addons.xpi-utils DEBUG Async JSON file read took 0 MS
1453315035606 addons.xpi-utils DEBUG Finished async read of XPI database, parsing...
1453315035606 addons.xpi-utils DEBUG Successfully read XPI database
1453315035667 addons.manager DEBUG Starting provider: PreviousExperimentProvider
1453315035667 addons.manager DEBUG Registering shutdown blocker for PreviousExperimentProvider
1453315035667 addons.manager DEBUG Provider finished startup: PreviousExperimentProvider
JavaScript error: file:///C:/Users/Dilara/AppData/Local/Temp/anonymous5791326291667828387webdriver-profile/extensions/fxdriver@googlecode.com/components/driver-component.js, line 11464: TypeError: this.server is undefined
JavaScript error: chrome://fxdriver/content/server.js, line 38: NS_ERROR_XPC_CI_RETURNED_FAILURE: Component returned failure code: 0x80570015 (NS_ERROR_XPC_CI_RETURNED_FAILURE) [nsIJSCID.createInstance]

at org.openqa.selenium.firefox.internal.NewProfileExtensionConnection.start(NewProfileExtensionConnection.java:118)
at org.openqa.selenium.firefox.FirefoxDriver.startClient(FirefoxDriver.java:246)
at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:114)
at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:191)
at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:186)
at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:182)
at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:95)
at com.genesismedia.gapBasePackage.GetNetworklogDataTest.getNetdata(GetNetworklogDataTest.java:37)
at com.genesismedia.gapBasePackage.GetNetworklogDataTest.main(GetNetworklogDataTest.java:27)

Exception in thread "main" org.openqa.selenium.WebDriverException: Failed to connect to binary FirefoxBinary(C:\Program Files (x86)\Mozilla Firefox\firefox.exe) on port 7055; process output follows:
3315035352 addons.xpi DEBUG checkForChanges
1453315035352 addons.xpi DEBUG Loaded add-on state from prefs: {"app-profile":{"fxdriver@googlecode.com":{"d":"C:\Users\Dilara\AppData\Local\Temp\anonymous5791326291667828387webdriver-profile\extensions\fxdriver@googlecode.com","e":true,"v":"2.43.1","st":1453315033617,"mt":1453315033426}},"app-global":{"{972ce4c6-7e08-4474-a285-3208198ce6fd}":{"d":"C:\Program Files (x86)\Mozilla Firefox\browser\extensions{972ce4c6-7e08-4474-a285-3208198ce6fd}","e":true,"v":"42.0","st":1453314963837,"mt":1446163995000}},"winreg-app-global":{"FIDOaddon@noknok.com":{"d":"C:\Program Files\Nok Nok Labs\Multifactor Authentication Client\bin\firefox\x86\FIDOaddon","e":false,"v":"1.3.2.3008","st":1432242570165,"mt":1413488658000}}}
1453315035353 addons.xpi DEBUG getModTime: Recursive scan of fxdriver@googlecode.com
1453315035360 addons.xpi DEBUG getModTime: Recursive scan of {972ce4c6-7e08-4474-a285-3208198ce6fd}
1453315035360 addons.xpi DEBUG getInstallState changed: false, state: {"app-profile":{"fxdriver@googlecode.com":{"d":"C:\Users\Dilara\AppData\Local\Temp\anonymous5791326291667828387webdriver-profile\extensions\fxdriver@googlecode.com","e":true,"v":"2.43.1","st":1453315033617,"mt":1453315033426}},"app-global":{"{972ce4c6-7e08-4474-a285-3208198ce6fd}":{"d":"C:\Program Files (x86)\Mozilla Firefox\browser\extensions{972ce4c6-7e08-4474-a285-3208198ce6fd}","e":true,"v":"42.0","st":1453314963837,"mt":1446163995000}},"winreg-app-global":{"FIDOaddon@noknok.com":{"d":"C:\Program Files\Nok Nok Labs\Multifactor Authentication Client\bin\firefox\x86\FIDOaddon","e":false,"v":"1.3.2.3008","st":1432242570165,"mt":1413488658000}}}
1453315035362 addons.xpi DEBUG No changes found
1453315035367 addons.manager DEBUG Registering shutdown blocker for XPIProvider
1453315035368 addons.manager DEBUG Provider finished startup: XPIProvider
1453315035368 addons.manager DEBUG Starting provider: LightweightThemeManager
1453315035368 addons.manager DEBUG Registering shutdown blocker for LightweightThemeManager
1453315035368 addons.manager DEBUG Provider finished startup: LightweightThemeManager
1453315035368 addons.manager DEBUG Starting provider: GMPProvider
1453315035372 addons.manager DEBUG Registering shutdown blocker for GMPProvider
1453315035373 addons.manager DEBUG Provider finished startup: GMPProvider
1453315035373 addons.manager DEBUG Starting provider: PluginProvider
1453315035373 addons.manager DEBUG Registering shutdown blocker for PluginProvider
1453315035373 addons.manager DEBUG Provider finished startup: PluginProvider
1453315035373 addons.manager DEBUG Completed startup sequence
1453315035444 addons.xpi-utils DEBUG Starting async load of XPI database C:\Users\Dilara\AppData\Local\Temp\anonymous5791326291667828387webdriver-profile\extensions.json
*** Blocklist::loadBlocklistFromFile: blocklist is disabled
1453315035542 addons.manager DEBUG Starting provider:
1453315035542 addons.manager DEBUG Registering shutdown blocker for
1453315035543 addons.manager DEBUG Provider finished startup:
1453315035606 addons.xpi-utils DEBUG Async JSON file read took 0 MS
1453315035606 addons.xpi-utils DEBUG Finished async read of XPI database, parsing...
1453315035606 addons.xpi-utils DEBUG Successfully read XPI database
1453315035667 addons.manager DEBUG Starting provider: PreviousExperimentProvider
1453315035667 addons.manager DEBUG Registering shutdown blocker for PreviousExperimentProvider
1453315035667 addons.manager DEBUG Provider finished startup: PreviousExperimentProvider
JavaScript error: file:///C:/Users/Dilara/AppData/Local/Temp/anonymous5791326291667828387webdriver-profile/extensions/fxdriver@googlecode.com/components/driver-component.js, line 11464: TypeError: this.server is undefined
JavaScript error: chrome://fxdriver/content/server.js, line 38: NS_ERROR_XPC_CI_RETURNED_FAILURE: Component returned failure code: 0x80570015 (NS_ERROR_XPC_CI_RETURNED_FAILURE) [nsIJSCID.createInstance]

Build info: version: '2.43.1', revision: '5163bceef1bc36d43f3dc0b83c88998168a363a0', time: '2014-09-10 09:43:55'
System info: host: 'Dilara-PC', ip: '192.168.147.1', os.name: 'Windows 8.1', os.arch: 'amd64', os.version: '6.3', java.version: '1.7.0_79'
Driver info: driver.version: FirefoxDriver
at org.openqa.selenium.firefox.internal.NewProfileExtensionConnection.start(NewProfileExtensionConnection.java:130)
at org.openqa.selenium.firefox.FirefoxDriver.startClient(FirefoxDriver.java:246)
at org.openqa.selenium.remote.RemoteWebDriver.(RemoteWebDriver.java:114)
at org.openqa.selenium.firefox.FirefoxDriver.(FirefoxDriver.java:191)
at org.openqa.selenium.firefox.FirefoxDriver.(FirefoxDriver.java:186)
at org.openqa.selenium.firefox.FirefoxDriver.(FirefoxDriver.java:182)
at org.openqa.selenium.firefox.FirefoxDriver.(FirefoxDriver.java:95)
at com.genesismedia.gapBasePackage.GetNetworklogDataTest.getNetdata(GetNetworklogDataTest.java:37)
at com.genesismedia.gapBasePackage.GetNetworklogDataTest.main(GetNetworklogDataTest.java:27)
Caused by: org.openqa.selenium.firefox.NotConnectedException: Unable to connect to host 127.0.0.1 on port 7055 after 45000 ms. Firefox console output:
3315035352 addons.xpi DEBUG checkForChanges
1453315035352 addons.xpi DEBUG Loaded add-on state from prefs: {"app-profile":{"fxdriver@googlecode.com":{"d":"C:\Users\Dilara\AppData\Local\Temp\anonymous5791326291667828387webdriver-profile\extensions\fxdriver@googlecode.com","e":true,"v":"2.43.1","st":1453315033617,"mt":1453315033426}},"app-global":{"{972ce4c6-7e08-4474-a285-3208198ce6fd}":{"d":"C:\Program Files (x86)\Mozilla Firefox\browser\extensions{972ce4c6-7e08-4474-a285-3208198ce6fd}","e":true,"v":"42.0","st":1453314963837,"mt":1446163995000}},"winreg-app-global":{"FIDOaddon@noknok.com":{"d":"C:\Program Files\Nok Nok Labs\Multifactor Authentication Client\bin\firefox\x86\FIDOaddon","e":false,"v":"1.3.2.3008","st":1432242570165,"mt":1413488658000}}}
1453315035353 addons.xpi DEBUG getModTime: Recursive scan of fxdriver@googlecode.com
1453315035360 addons.xpi DEBUG getModTime: Recursive scan of {972ce4c6-7e08-4474-a285-3208198ce6fd}
1453315035360 addons.xpi DEBUG getInstallState changed: false, state: {"app-profile":{"fxdriver@googlecode.com":{"d":"C:\Users\Dilara\AppData\Local\Temp\anonymous5791326291667828387webdriver-profile\extensions\fxdriver@googlecode.com","e":true,"v":"2.43.1","st":1453315033617,"mt":1453315033426}},"app-global":{"{972ce4c6-7e08-4474-a285-3208198ce6fd}":{"d":"C:\Program Files (x86)\Mozilla Firefox\browser\extensions{972ce4c6-7e08-4474-a285-3208198ce6fd}","e":true,"v":"42.0","st":1453314963837,"mt":1446163995000}},"winreg-app-global":{"FIDOaddon@noknok.com":{"d":"C:\Program Files\Nok Nok Labs\Multifactor Authentication Client\bin\firefox\x86\FIDOaddon","e":false,"v":"1.3.2.3008","st":1432242570165,"mt":1413488658000}}}
1453315035362 addons.xpi DEBUG No changes found
1453315035367 addons.manager DEBUG Registering shutdown blocker for XPIProvider
1453315035368 addons.manager DEBUG Provider finished startup: XPIProvider
1453315035368 addons.manager DEBUG Starting provider: LightweightThemeManager
1453315035368 addons.manager DEBUG Registering shutdown blocker for LightweightThemeManager
1453315035368 addons.manager DEBUG Provider finished startup: LightweightThemeManager
1453315035368 addons.manager DEBUG Starting provider: GMPProvider
1453315035372 addons.manager DEBUG Registering shutdown blocker for GMPProvider
1453315035373 addons.manager DEBUG Provider finished startup: GMPProvider
1453315035373 addons.manager DEBUG Starting provider: PluginProvider
1453315035373 addons.manager DEBUG Registering shutdown blocker for PluginProvider
1453315035373 addons.manager DEBUG Provider finished startup: PluginProvider
1453315035373 addons.manager DEBUG Completed startup sequence
1453315035444 addons.xpi-utils DEBUG Starting async load of XPI database C:\Users\Dilara\AppData\Local\Temp\anonymous5791326291667828387webdriver-profile\extensions.json
*** Blocklist::loadBlocklistFromFile: blocklist is disabled
1453315035542 addons.manager DEBUG Starting provider:
1453315035542 addons.manager DEBUG Registering shutdown blocker for
1453315035543 addons.manager DEBUG Provider finished startup:
1453315035606 addons.xpi-utils DEBUG Async JSON file read took 0 MS
1453315035606 addons.xpi-utils DEBUG Finished async read of XPI database, parsing...
1453315035606 addons.xpi-utils DEBUG Successfully read XPI database
1453315035667 addons.manager DEBUG Starting provider: PreviousExperimentProvider
1453315035667 addons.manager DEBUG Registering shutdown blocker for PreviousExperimentProvider
1453315035667 addons.manager DEBUG Provider finished startup: PreviousExperimentProvider
JavaScript error: file:///C:/Users/Dilara/AppData/Local/Temp/anonymous5791326291667828387webdriver-profile/extensions/fxdriver@googlecode.com/components/driver-component.js, line 11464: TypeError: this.server is undefined
JavaScript error: chrome://fxdriver/content/server.js, line 38: NS_ERROR_XPC_CI_RETURNED_FAILURE: Component returned failure code: 0x80570015 (NS_ERROR_XPC_CI_RETURNED_FAILURE) [nsIJSCID.createInstance]

at org.openqa.selenium.firefox.internal.NewProfileExtensionConnection.start(NewProfileExtensionConnection.java:118)
... 8 more

[barancev]

According to the log you're using Selenium 2.43.1

[ramyamadhusudhan]

I am using Firefox version 44 and firefox driver 2.49.1 and I am still getting the same error as the above:

org.openqa.selenium.firefox.NotConnectedException: Unable to connect to host 127.0.0.1 on port 7055 after 45000 ms. Firefox console output:
\extensions\fxdriver@googlecode.com","installDate":1454504816690,"updateDate":1454504816690,"applyBackgroundUpdates":1,"bootstrap":false,"size":3233689,"sourceURI":null,"releaseNotesURI":null,"softDisabled":false,"foreignInstall":true,"hasBinaryComponents":true,"strictCompatibility":false,"locales":[],"targetApplications":[{"id":"{ec8030f7-c20a-464f-9b0e-13a3a9e97384}","minVersion":"3.0","maxVersion":"45.0"}],"targetPlatforms":[{"os":"Darwin","abi":null},{"os":"SunOS","abi":null},{"os":"FreeBSD","abi":null},{"os":"OpenBSD","abi":null},{"os":"WINNT","abi":"x86-msvc"},{"os":"Linux","abi":null}],"multiprocessCompatible":false,"signedState":0}
1454504817433 addons.xpi DEBUG Updating XPIState for {"id":"{972ce4c6-7e08-4474-a285-3208198ce6fd}","syncGUID":"VhEQiTvyHDq7","location":"app-global","version":"44.0","type":"theme","internalName":"classic/1.0","updateURL":null,"updateKey":null,"optionsURL":null,"optionsType":null,"aboutURL":null,"icons":{"32":"icon.png","48":"icon.png"},"iconURL":null,"icon64URL":null,"defaultLocale":{"name":"Default","description":"The default theme.","creator":"Mozilla","homepageURL":null,"contributors":["Mozilla Contributors"]},"visible":true,"active":true,"userDisabled":false,"appDisabled":false,"descriptor":"C:\Program Files\Mozilla Firefox\browser\extensions{972ce4c6-7e08-4474-a285-3208198ce6fd}","installDate":1454496601159,"updateDate":1454496601159,"applyBackgroundUpdates":1,"skinnable":true,"size":24166,"sourceURI":null,"releaseNotesURI":null,"softDisabled":false,"foreignInstall":false,"hasBinaryComponents":false,"strictCompatibility":true,"locales":[],"targetApplications":[{"id":"{ec8030f7-c20a-464f-9b0e-13a3a9e97384}","minVersion":"44.0","maxVersion":"44.0"}],"targetPlatforms":[]}
1454504817433 addons.xpi DEBUG getModTime: Recursive scan of {972ce4c6-7e08-4474-a285-3208198ce6fd}
1454504817433 DeferredSave.extensions.json DEBUG Save changes
1454504817434 addons.xpi DEBUG Updating database with changes to installed add-ons
1454504817434 addons.xpi-utils DEBUG Updating add-on states
1454504817437 addons.xpi-utils DEBUG Writing add-ons list
1454504817447 addons.manager DEBUG Registering shutdown blocker for XPIProvider
1454504817447 addons.manager DEBUG Provider finished startup: XPIProvider
1454504817447 addons.manager DEBUG Starting provider: LightweightThemeManager
1454504817447 addons.manager DEBUG Registering shutdown blocker for LightweightThemeManager
1454504817447 addons.manager DEBUG Provider finished startup: LightweightThemeManager
1454504817447 addons.manager DEBUG Starting provider: GMPProvider
1454504817453 addons.manager DEBUG Registering shutdown blocker for GMPProvider
1454504817453 addons.manager DEBUG Provider finished startup: GMPProvider
1454504817453 addons.manager DEBUG Starting provider: PluginProvider
1454504817453 addons.manager DEBUG Registering shutdown blocker for PluginProvider
1454504817453 addons.manager DEBUG Provider finished startup: PluginProvider
1454504817454 addons.manager DEBUG Completed startup sequence
1454504817850 addons.manager DEBUG Starting provider:
1454504817850 addons.manager DEBUG Registering shutdown blocker for
1454504817850 addons.manager DEBUG Provider finished startup:
1454504817893 DeferredSave.extensions.json DEBUG Starting write
1454504818093 addons.repository DEBUG No addons.json found.
1454504818093 DeferredSave.addons.json DEBUG Save changes
1454504818095 DeferredSave.addons.json DEBUG Starting timer
1454504818103 addons.manager DEBUG Starting provider: PreviousExperimentProvider
1454504818103 addons.manager DEBUG Registering shutdown blocker for PreviousExperimentProvider
1454504818103 addons.manager DEBUG Provider finished startup: PreviousExperimentProvider
1454504818107 DeferredSave.extensions.json DEBUG Write succeeded
1454504818107 addons.xpi-utils DEBUG XPI Database saved, setting schema version preference to 17
1454504818159 DeferredSave.addons.json DEBUG Starting write
1454504818277 DeferredSave.addons.json DEBUG Write succeeded

at org.openqa.selenium.firefox.internal.NewProfileExtensionConnection.start(NewProfileExtensionConnection.java:123)
at org.openqa.selenium.firefox.FirefoxDriver.startClient(FirefoxDriver.java:271)
at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:119)
at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:216)
at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:211)
at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:128)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
at com.emc.automation.web.drivers.WebDriverFactory.newWebDriver(WebDriverFactory.java:54)
at com.emc.automation.web.drivers.DefaultDriverProvider.initialize(DefaultDriverProvider.java:39)
at org.jbehave.web.selenium.PerScenarioWebDriverSteps.beforeScenario(PerScenarioWebDriverSteps.java:20)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at org.jbehave.core.steps.StepCreator$MethodInvoker.invoke(StepCreator.java:798)

Caused by: org.openqa.selenium.WebDriverException: Failed to connect to binary FirefoxBinary(C:\Program Files\Mozilla Firefox\firefox.exe) on port 7055; process output follows:
\extensions\fxdriver@googlecode.com","installDate":1454504816690,"updateDate":1454504816690,"applyBackgroundUpdates":1,"bootstrap":false,"size":3233689,"sourceURI":null,"releaseNotesURI":null,"softDisabled":false,"foreignInstall":true,"hasBinaryComponents":true,"strictCompatibility":false,"locales":[],"targetApplications":[{"id":"{ec8030f7-c20a-464f-9b0e-13a3a9e97384}","minVersion":"3.0","maxVersion":"45.0"}],"targetPlatforms":[{"os":"Darwin","abi":null},{"os":"SunOS","abi":null},{"os":"FreeBSD","abi":null},{"os":"OpenBSD","abi":null},{"os":"WINNT","abi":"x86-msvc"},{"os":"Linux","abi":null}],"multiprocessCompatible":false,"signedState":0}
1454504817433 addons.xpi DEBUG Updating XPIState for {"id":"{972ce4c6-7e08-4474-a285-3208198ce6fd}","syncGUID":"VhEQiTvyHDq7","location":"app-global","version":"44.0","type":"theme","internalName":"classic/1.0","updateURL":null,"updateKey":null,"optionsURL":null,"optionsType":null,"aboutURL":null,"icons":{"32":"icon.png","48":"icon.png"},"iconURL":null,"icon64URL":null,"defaultLocale":{"name":"Default","description":"The default theme.","creator":"Mozilla","homepageURL":null,"contributors":["Mozilla Contributors"]},"visible":true,"active":true,"userDisabled":false,"appDisabled":false,"descriptor":"C:\Program Files\Mozilla Firefox\browser\extensions{972ce4c6-7e08-4474-a285-3208198ce6fd}","installDate":1454496601159,"updateDate":1454496601159,"applyBackgroundUpdates":1,"skinnable":true,"size":24166,"sourceURI":null,"releaseNotesURI":null,"softDisabled":false,"foreignInstall":false,"hasBinaryComponents":false,"strictCompatibility":true,"locales":[],"targetApplications":[{"id":"{ec8030f7-c20a-464f-9b0e-13a3a9e97384}","minVersion":"44.0","maxVersion":"44.0"}],"targetPlatforms":[]}
1454504817433 addons.xpi DEBUG getModTime: Recursive scan of {972ce4c6-7e08-4474-a285-3208198ce6fd}
1454504817433 DeferredSave.extensions.json DEBUG Save changes
1454504817434 addons.xpi DEBUG Updating database with changes to installed add-ons
1454504817434 addons.xpi-utils DEBUG Updating add-on states
1454504817437 addons.xpi-utils DEBUG Writing add-ons list
1454504817447 addons.manager DEBUG Registering shutdown blocker for XPIProvider
1454504817447 addons.manager DEBUG Provider finished startup: XPIProvider
1454504817447 addons.manager DEBUG Starting provider: LightweightThemeManager
1454504817447 addons.manager DEBUG Registering shutdown blocker for LightweightThemeManager
1454504817447 addons.manager DEBUG Provider finished startup: LightweightThemeManager
1454504817447 addons.manager DEBUG Starting provider: GMPProvider
1454504817453 addons.manager DEBUG Registering shutdown blocker for GMPProvider
1454504817453 addons.manager DEBUG Provider finished startup: GMPProvider
1454504817453 addons.manager DEBUG Starting provider: PluginProvider
1454504817453 addons.manager DEBUG Registering shutdown blocker for PluginProvider
1454504817453 addons.manager DEBUG Provider finished startup: PluginProvider
1454504817454 addons.manager DEBUG Completed startup sequence
1454504817850 addons.manager DEBUG Starting provider:
1454504817850 addons.manager DEBUG Registering shutdown blocker for
1454504817850 addons.manager DEBUG Provider finished startup:
1454504817893 DeferredSave.extensions.json DEBUG Starting write
1454504818093 addons.repository DEBUG No addons.json found.
1454504818093 DeferredSave.addons.json DEBUG Save changes
1454504818095 DeferredSave.addons.json DEBUG Starting timer
1454504818103 addons.manager DEBUG Starting provider: PreviousExperimentProvider
1454504818103 addons.manager DEBUG Registering shutdown blocker for PreviousExperimentProvider
1454504818103 addons.manager DEBUG Provider finished startup: PreviousExperimentProvider
1454504818107 DeferredSave.extensions.json DEBUG Write succeeded
1454504818107 addons.xpi-utils DEBUG XPI Database saved, setting schema version preference to 17
1454504818159 DeferredSave.addons.json DEBUG Starting write
1454504818277 DeferredSave.addons.json DEBUG Write succeeded

Build info: version: '2.49.1', revision: '808c23b0963853d375cbe54b90bbd052e2528a54', time: '2016-01-21 09:37:52'
System info: host: 'MININT-NT7E3J2', ip: '10.30.29.138', os.name: 'Windows 7', os.arch: 'amd64', os.version: '6.1', java.version: '1.8.0_60'
Driver info: driver.version: FirefoxDriver
at org.openqa.selenium.firefox.internal.NewProfileExtensionConnection.start(NewProfileExtensionConnection.java:135)
at org.openqa.selenium.firefox.FirefoxDriver.startClient(FirefoxDriver.java:271)
at org.openqa.selenium.remote.RemoteWebDriver.(RemoteWebDriver.java:119)
at org.openqa.selenium.firefox.FirefoxDriver.(FirefoxDriver.java:216)
at org.openqa.selenium.firefox.FirefoxDriver.(FirefoxDriver.java:211)
at org.openqa.selenium.firefox.FirefoxDriver.(FirefoxDriver.java:128)
... 25 more
Caused by: org.openqa.selenium.firefox.NotConnectedException: Unable to connect to host 127.0.0.1 on port 7055 after 45000 ms. Firefox console output:
\extensions\fxdriver@googlecode.com","installDate":1454504816690,"updateDate":1454504816690,"applyBackgroundUpdates":1,"bootstrap":false,"size":3233689,"sourceURI":null,"releaseNotesURI":null,"softDisabled":false,"foreignInstall":true,"hasBinaryComponents":true,"strictCompatibility":false,"locales":[],"targetApplications":[{"id":"{ec8030f7-c20a-464f-9b0e-13a3a9e97384}","minVersion":"3.0","maxVersion":"45.0"}],"targetPlatforms":[{"os":"Darwin","abi":null},{"os":"SunOS","abi":null},{"os":"FreeBSD","abi":null},{"os":"OpenBSD","abi":null},{"os":"WINNT","abi":"x86-msvc"},{"os":"Linux","abi":null}],"multiprocessCompatible":false,"signedState":0}
1454504817433 addons.xpi DEBUG Updating XPIState for {"id":"{972ce4c6-7e08-4474-a285-3208198ce6fd}","syncGUID":"VhEQiTvyHDq7","location":"app-global","version":"44.0","type":"theme","internalName":"classic/1.0","updateURL":null,"updateKey":null,"optionsURL":null,"optionsType":null,"aboutURL":null,"icons":{"32":"icon.png","48":"icon.png"},"iconURL":null,"icon64URL":null,"defaultLocale":{"name":"Default","description":"The default theme.","creator":"Mozilla","homepageURL":null,"contributors":["Mozilla Contributors"]},"visible":true,"active":true,"userDisabled":false,"appDisabled":false,"descriptor":"C:\Program Files\Mozilla Firefox\browser\extensions{972ce4c6-7e08-4474-a285-3208198ce6fd}","installDate":1454496601159,"updateDate":1454496601159,"applyBackgroundUpdates":1,"skinnable":true,"size":24166,"sourceURI":null,"releaseNotesURI":null,"softDisabled":false,"foreignInstall":false,"hasBinaryComponents":false,"strictCompatibility":true,"locales":[],"targetApplications":[{"id":"{ec8030f7-c20a-464f-9b0e-13a3a9e97384}","minVersion":"44.0","maxVersion":"44.0"}],"targetPlatforms":[]}
1454504817433 addons.xpi DEBUG getModTime: Recursive scan of {972ce4c6-7e08-4474-a285-3208198ce6fd}
1454504817433 DeferredSave.extensions.json DEBUG Save changes
1454504817434 addons.xpi DEBUG Updating database with changes to installed add-ons
1454504817434 addons.xpi-utils DEBUG Updating add-on states
1454504817437 addons.xpi-utils DEBUG Writing add-ons list
1454504817447 addons.manager DEBUG Registering shutdown blocker for XPIProvider
1454504817447 addons.manager DEBUG Provider finished startup: XPIProvider
1454504817447 addons.manager DEBUG Starting provider: LightweightThemeManager
1454504817447 addons.manager DEBUG Registering shutdown blocker for LightweightThemeManager
1454504817447 addons.manager DEBUG Provider finished startup: LightweightThemeManager
1454504817447 addons.manager DEBUG Starting provider: GMPProvider
1454504817453 addons.manager DEBUG Registering shutdown blocker for GMPProvider
1454504817453 addons.manager DEBUG Provider finished startup: GMPProvider
1454504817453 addons.manager DEBUG Starting provider: PluginProvider
1454504817453 addons.manager DEBUG Registering shutdown blocker for PluginProvider
1454504817453 addons.manager DEBUG Provider finished startup: PluginProvider
1454504817454 addons.manager DEBUG Completed startup sequence
1454504817850 addons.manager DEBUG Starting provider:
1454504817850 addons.manager DEBUG Registering shutdown blocker for
1454504817850 addons.manager DEBUG Provider finished startup:
1454504817893 DeferredSave.extensions.json DEBUG Starting write
1454504818093 addons.repository DEBUG No addons.json found.
1454504818093 DeferredSave.addons.json DEBUG Save changes
1454504818095 DeferredSave.addons.json DEBUG Starting timer
1454504818103 addons.manager DEBUG Starting provider: PreviousExperimentProvider
1454504818103 addons.manager DEBUG Registering shutdown blocker for PreviousExperimentProvider
1454504818103 addons.manager DEBUG Provider finished startup: PreviousExperimentProvider
1454504818107 DeferredSave.extensions.json DEBUG Write succeeded
1454504818107 addons.xpi-utils DEBUG XPI Database saved, setting schema version preference to 17
1454504818159 DeferredSave.addons.json DEBUG Starting write
1454504818277 DeferredSave.addons.json DEBUG Write succeeded

at org.openqa.selenium.firefox.internal.NewProfileExtensionConnection.start(NewProfileExtensionConnection.java:123)
... 30 more

org.jbehave.web.selenium.PerScenarioWebDriverSteps.beforeScenario() (FAILED)
(org.jbehave.core.failures.BeforeOrAfterFailed: Method beforeScenario (annotated with @BeforeScenario in class org.jbehave.web.selenium.PerScenarioWebDriverSteps) failed: java.lang.IllegalArgumentException: can not create webdriver for firefox)

[barancev]

Please retest with the latest that is 2.50.1 at the moment.

[ramyamadhusudhan]

Same issue with 2.50.1 as well :(
org.openqa.selenium.firefox.NotConnectedException: Unable to connect to host 127.0.0.1 on port 7055 after 45000 ms. Firefox console output:
":[],"targetApplications":[{"id":"{ec8030f7-c20a-464f-9b0e-13a3a9e97384}","minVersion":"3.0","maxVersion":"45.0"}],"targetPlatforms":[{"os":"Darwin","abi":null},{"os":"SunOS","abi":null},{"os":"FreeBSD","abi":null},{"os":"OpenBSD","abi":null},{"os":"WINNT","abi":"x86-msvc"},{"os":"Linux","abi":null}],"multiprocessCompatible":false,"signedState":0}
1454563236362 addons.xpi DEBUG New add-on {972ce4c6-7e08-4474-a285-3208198ce6fd} installed in app-global
1454563236365 DeferredSave.extensions.json DEBUG Starting timer
1454563236366 addons.xpi-utils DEBUG Make addon app-global:{972ce4c6-7e08-4474-a285-3208198ce6fd} visible
1454563236366 DeferredSave.extensions.json DEBUG Save changes
1454563236366 DeferredSave.extensions.json DEBUG Save changes
1454563236366 addons.xpi DEBUG Updating XPIState for {"id":"{972ce4c6-7e08-4474-a285-3208198ce6fd}","syncGUID":"rmDEbMSK0EdT","location":"app-global","version":"42.0","type":"theme","internalName":"classic/1.0","updateURL":null,"updateKey":null,"optionsURL":null,"optionsType":null,"aboutURL":null,"iconURL":null,"icon64URL":null,"defaultLocale":{"name":"Default","description":"The default theme.","creator":"Mozilla","homepageURL":null,"contributors":["Mozilla Contributors"]},"visible":true,"active":true,"userDisabled":false,"appDisabled":false,"descriptor":"C:\Program Files\Mozilla Firefox\browser\extensions{972ce4c6-7e08-4474-a285-3208198ce6fd}","installDate":1454506849008,"updateDate":1454506849008,"applyBackgroundUpdates":1,"skinnable":true,"size":24301,"sourceURI":null,"releaseNotesURI":null,"softDisabled":false,"foreignInstall":false,"hasBinaryComponents":false,"strictCompatibility":true,"locales":[],"targetApplications":[{"id":"{ec8030f7-c20a-464f-9b0e-13a3a9e97384}","minVersion":"42.0","maxVersion":"42.0"}],"targetPlatforms":[]}
1454563236366 addons.xpi DEBUG getModTime: Recursive scan of {972ce4c6-7e08-4474-a285-3208198ce6fd}
1454563236367 addons.xpi DEBUG Updating database with changes to installed add-ons
1454563236367 addons.xpi-utils DEBUG Updating add-on states
1454563236370 addons.xpi-utils DEBUG Writing add-ons list
1454563236379 addons.manager DEBUG Registering shutdown blocker for XPIProvider
1454563236380 addons.manager DEBUG Provider finished startup: XPIProvider
1454563236380 addons.manager DEBUG Starting provider: LightweightThemeManager
1454563236380 addons.manager DEBUG Registering shutdown blocker for LightweightThemeManager
1454563236380 addons.manager DEBUG Provider finished startup: LightweightThemeManager
1454563236380 addons.manager DEBUG Starting provider: GMPProvider
1454563236384 addons.manager DEBUG Registering shutdown blocker for GMPProvider
1454563236384 addons.manager DEBUG Provider finished startup: GMPProvider
1454563236384 addons.manager DEBUG Starting provider: PluginProvider
1454563236384 addons.manager DEBUG Registering shutdown blocker for PluginProvider
1454563236384 addons.manager DEBUG Provider finished startup: PluginProvider
1454563236385 addons.manager DEBUG Completed startup sequence
1454563236827 addons.manager DEBUG Starting provider:
1454563236827 addons.manager DEBUG Registering shutdown blocker for
1454563236828 addons.manager DEBUG Provider finished startup:
1454563236866 DeferredSave.extensions.json DEBUG Starting write
1454563237015 addons.repository DEBUG No addons.json found.
1454563237016 DeferredSave.addons.json DEBUG Save changes
1454563237018 DeferredSave.addons.json DEBUG Starting timer
1454563237029 addons.manager DEBUG Starting provider: PreviousExperimentProvider
1454563237029 addons.manager DEBUG Registering shutdown blocker for PreviousExperimentProvider
1454563237029 addons.manager DEBUG Provider finished startup: PreviousExperimentProvider
1454563237037 DeferredSave.extensions.json DEBUG Write succeeded
1454563237038 addons.xpi-utils DEBUG XPI Database saved, setting schema version preference to 17
1454563237074 DeferredSave.addons.json DEBUG Starting write
1454563237091 DeferredSave.addons.json DEBUG Write succeeded

at org.openqa.selenium.firefox.internal.NewProfileExtensionConnection.start(NewProfileExtensionConnection.java:123)
at org.openqa.selenium.firefox.FirefoxDriver.startClient(FirefoxDriver.java:271)
at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:119)
at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:216)
at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:211)
at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:128)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
at com.emc.automation.web.drivers.WebDriverFactory.newWebDriver(WebDriverFactory.java:54)
at com.emc.automation.web.drivers.DefaultDriverProvider.initialize(DefaultDriverProvider.java:39)
at org.jbehave.web.selenium.PerScenarioWebDriverSteps.beforeScenario(PerScenarioWebDriverSteps.java:20)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at org.jbehave.core.steps.StepCreator$MethodInvoker.invoke(StepCreator.java:798)
at org.jbehave.core.steps.StepCreator$BeforeOrAfterStep.perform(StepCreator.java:489)
at org.jbehave.core.embedder.StoryRunner$FineSoFar.run(StoryRunner.java:535)
at org.jbehave.core.embedder.StoryRunner.runStepsWhileKeepingState(StoryRunner.java:515)
at org.jbehave.core.embedder.StoryRunner.runBeforeOrAfterScenarioSteps(StoryRunner.java:465)
at org.jbehave.core.embedder.StoryRunner.runCancellable(StoryRunner.java:299)
at org.jbehave.core.embedder.StoryRunner.run(StoryRunner.java:220)
at org.jbehave.core.embedder.StoryRunner.run(StoryRunner.java:181)
at org.jbehave.core.embedder.StoryManager$EnqueuedStory.call(StoryManager.java:262)
at org.jbehave.core.embedder.StoryManager$EnqueuedStory.call(StoryManager.java:229)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)

java.lang.reflect.InvocationTargetException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
at com.emc.automation.web.drivers.WebDriverFactory.newWebDriver(WebDriverFactory.java:54)
at com.emc.automation.web.drivers.DefaultDriverProvider.initialize(DefaultDriverProvider.java:39)
at org.jbehave.web.selenium.PerScenarioWebDriverSteps.beforeScenario(PerScenarioWebDriverSteps.java:20)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at org.jbehave.core.steps.StepCreator$MethodInvoker.invoke(StepCreator.java:798)
at org.jbehave.core.steps.StepCreator$BeforeOrAfterStep.perform(StepCreator.java:489)
at org.jbehave.core.embedder.StoryRunner$FineSoFar.run(StoryRunner.java:535)
at org.jbehave.core.embedder.StoryRunner.runStepsWhileKeepingState(StoryRunner.java:515)
at org.jbehave.core.embedder.StoryRunner.runBeforeOrAfterScenarioSteps(StoryRunner.java:465)
at org.jbehave.core.embedder.StoryRunner.runCancellable(StoryRunner.java:299)
at org.jbehave.core.embedder.StoryRunner.run(StoryRunner.java:220)
at org.jbehave.core.embedder.StoryRunner.run(StoryRunner.java:181)
at org.jbehave.core.embedder.StoryManager$EnqueuedStory.call(StoryManager.java:262)
at org.jbehave.core.embedder.StoryManager$EnqueuedStory.call(StoryManager.java:229)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: org.openqa.selenium.WebDriverException: Failed to connect to binary FirefoxBinary(C:\Program Files\Mozilla Firefox\firefox.exe) on port 7055; process output follows:
":[],"targetApplications":[{"id":"{ec8030f7-c20a-464f-9b0e-13a3a9e97384}","minVersion":"3.0","maxVersion":"45.0"}],"targetPlatforms":[{"os":"Darwin","abi":null},{"os":"SunOS","abi":null},{"os":"FreeBSD","abi":null},{"os":"OpenBSD","abi":null},{"os":"WINNT","abi":"x86-msvc"},{"os":"Linux","abi":null}],"multiprocessCompatible":false,"signedState":0}
1454563236362 addons.xpi DEBUG New add-on {972ce4c6-7e08-4474-a285-3208198ce6fd} installed in app-global
1454563236365 DeferredSave.extensions.json DEBUG Starting timer
1454563236366 addons.xpi-utils DEBUG Make addon app-global:{972ce4c6-7e08-4474-a285-3208198ce6fd} visible
1454563236366 DeferredSave.extensions.json DEBUG Save changes
1454563236366 DeferredSave.extensions.json DEBUG Save changes
1454563236366 addons.xpi DEBUG Updating XPIState for {"id":"{972ce4c6-7e08-4474-a285-3208198ce6fd}","syncGUID":"rmDEbMSK0EdT","location":"app-global","version":"42.0","type":"theme","internalName":"classic/1.0","updateURL":null,"updateKey":null,"optionsURL":null,"optionsType":null,"aboutURL":null,"iconURL":null,"icon64URL":null,"defaultLocale":{"name":"Default","description":"The default theme.","creator":"Mozilla","homepageURL":null,"contributors":["Mozilla Contributors"]},"visible":true,"active":true,"userDisabled":false,"appDisabled":false,"descriptor":"C:\Program Files\Mozilla Firefox\browser\extensions{972ce4c6-7e08-4474-a285-3208198ce6fd}","installDate":1454506849008,"updateDate":1454506849008,"applyBackgroundUpdates":1,"skinnable":true,"size":24301,"sourceURI":null,"releaseNotesURI":null,"softDisabled":false,"foreignInstall":false,"hasBinaryComponents":false,"strictCompatibility":true,"locales":[],"targetApplications":[{"id":"{ec8030f7-c20a-464f-9b0e-13a3a9e97384}","minVersion":"42.0","maxVersion":"42.0"}],"targetPlatforms":[]}
1454563236366 addons.xpi DEBUG getModTime: Recursive scan of {972ce4c6-7e08-4474-a285-3208198ce6fd}
1454563236367 addons.xpi DEBUG Updating database with changes to installed add-ons
1454563236367 addons.xpi-utils DEBUG Updating add-on states
1454563236370 addons.xpi-utils DEBUG Writing add-ons list
1454563236379 addons.manager DEBUG Registering shutdown blocker for XPIProvider
1454563236380 addons.manager DEBUG Provider finished startup: XPIProvider
1454563236380 addons.manager DEBUG Starting provider: LightweightThemeManager
1454563236380 addons.manager DEBUG Registering shutdown blocker for LightweightThemeManager
1454563236380 addons.manager DEBUG Provider finished startup: LightweightThemeManager
1454563236380 addons.manager DEBUG Starting provider: GMPProvider
1454563236384 addons.manager DEBUG Registering shutdown blocker for GMPProvider
1454563236384 addons.manager DEBUG Provider finished startup: GMPProvider
1454563236384 addons.manager DEBUG Starting provider: PluginProvider
1454563236384 addons.manager DEBUG Registering shutdown blocker for PluginProvider
1454563236384 addons.manager DEBUG Provider finished startup: PluginProvider
1454563236385 addons.manager DEBUG Completed startup sequence
1454563236827 addons.manager DEBUG Starting provider:
1454563236827 addons.manager DEBUG Registering shutdown blocker for
1454563236828 addons.manager DEBUG Provider finished startup:
1454563236866 DeferredSave.extensions.json DEBUG Starting write
1454563237015 addons.repository DEBUG No addons.json found.
1454563237016 DeferredSave.addons.json DEBUG Save changes
1454563237018 DeferredSave.addons.json DEBUG Starting timer
1454563237029 addons.manager DEBUG Starting provider: PreviousExperimentProvider
1454563237029 addons.manager DEBUG Registering shutdown blocker for PreviousExperimentProvider
1454563237029 addons.manager DEBUG Provider finished startup: PreviousExperimentProvider
1454563237037 DeferredSave.extensions.json DEBUG Write succeeded
1454563237038 addons.xpi-utils DEBUG XPI Database saved, setting schema version preference to 17
1454563237074 DeferredSave.addons.json DEBUG Starting write
1454563237091 DeferredSave.addons.json DEBUG Write succeeded

Build info: version: '2.50.1', revision: 'd7fc91b29de65b790abb01f3ac5f7ea2191c88a7', time: '2016-01-29 11:11:26'
System info: host: 'MININT-NT7E3J2', ip: '10.30.29.138', os.name: 'Windows 7', os.arch: 'amd64', os.version: '6.1', java.version: '1.8.0_60'
Driver info: driver.version: FirefoxDriver
at org.openqa.selenium.firefox.internal.NewProfileExtensionConnection.start(NewProfileExtensionConnection.java:135)
at org.openqa.selenium.firefox.FirefoxDriver.startClient(FirefoxDriver.java:271)
at org.openqa.selenium.remote.RemoteWebDriver.(RemoteWebDriver.java:119)
at org.openqa.selenium.firefox.FirefoxDriver.(FirefoxDriver.java:216)
at org.openqa.selenium.firefox.FirefoxDriver.(FirefoxDriver.java:211)
at org.openqa.selenium.firefox.FirefoxDriver.(FirefoxDriver.java:128)
... 25 more
Caused by: org.openqa.selenium.firefox.NotConnectedException: Unable to connect to host 127.0.0.1 on port 7055 after 45000 ms. Firefox console output:
":[],"targetApplications":[{"id":"{ec8030f7-c20a-464f-9b0e-13a3a9e97384}","minVersion":"3.0","maxVersion":"45.0"}],"targetPlatforms":[{"os":"Darwin","abi":null},{"os":"SunOS","abi":null},{"os":"FreeBSD","abi":null},{"os":"OpenBSD","abi":null},{"os":"WINNT","abi":"x86-msvc"},{"os":"Linux","abi":null}],"multiprocessCompatible":false,"signedState":0}
1454563236362 addons.xpi DEBUG New add-on {972ce4c6-7e08-4474-a285-3208198ce6fd} installed in app-global
1454563236365 DeferredSave.extensions.json DEBUG Starting timer
1454563236366 addons.xpi-utils DEBUG Make addon app-global:{972ce4c6-7e08-4474-a285-3208198ce6fd} visible
1454563236366 DeferredSave.extensions.json DEBUG Save changes
1454563236366 DeferredSave.extensions.json DEBUG Save changes
1454563236366 addons.xpi DEBUG Updating XPIState for {"id":"{972ce4c6-7e08-4474-a285-3208198ce6fd}","syncGUID":"rmDEbMSK0EdT","location":"app-global","version":"42.0","type":"theme","internalName":"classic/1.0","updateURL":null,"updateKey":null,"optionsURL":null,"optionsType":null,"aboutURL":null,"iconURL":null,"icon64URL":null,"defaultLocale":{"name":"Default","description":"The default theme.","creator":"Mozilla","homepageURL":null,"contributors":["Mozilla Contributors"]},"visible":true,"active":true,"userDisabled":false,"appDisabled":false,"descriptor":"C:\Program Files\Mozilla Firefox\browser\extensions{972ce4c6-7e08-4474-a285-3208198ce6fd}","installDate":1454506849008,"updateDate":1454506849008,"applyBackgroundUpdates":1,"skinnable":true,"size":24301,"sourceURI":null,"releaseNotesURI":null,"softDisabled":false,"foreignInstall":false,"hasBinaryComponents":false,"strictCompatibility":true,"locales":[],"targetApplications":[{"id":"{ec8030f7-c20a-464f-9b0e-13a3a9e97384}","minVersion":"42.0","maxVersion":"42.0"}],"targetPlatforms":[]}
1454563236366 addons.xpi DEBUG getModTime: Recursive scan of {972ce4c6-7e08-4474-a285-3208198ce6fd}
1454563236367 addons.xpi DEBUG Updating database with changes to installed add-ons
1454563236367 addons.xpi-utils DEBUG Updating add-on states
1454563236370 addons.xpi-utils DEBUG Writing add-ons list
1454563236379 addons.manager DEBUG Registering shutdown blocker for XPIProvider
1454563236380 addons.manager DEBUG Provider finished startup: XPIProvider
1454563236380 addons.manager DEBUG Starting provider: LightweightThemeManager
1454563236380 addons.manager DEBUG Registering shutdown blocker for LightweightThemeManager
1454563236380 addons.manager DEBUG Provider finished startup: LightweightThemeManager
1454563236380 addons.manager DEBUG Starting provider: GMPProvider
1454563236384 addons.manager DEBUG Registering shutdown blocker for GMPProvider
1454563236384 addons.manager DEBUG Provider finished startup: GMPProvider
1454563236384 addons.manager DEBUG Starting provider: PluginProvider
1454563236384 addons.manager DEBUG Registering shutdown blocker for PluginProvider
1454563236384 addons.manager DEBUG Provider finished startup: PluginProvider
1454563236385 addons.manager DEBUG Completed startup sequence
1454563236827 addons.manager DEBUG Starting provider:
1454563236827 addons.manager DEBUG Registering shutdown blocker for
1454563236828 addons.manager DEBUG Provider finished startup:
1454563236866 DeferredSave.extensions.json DEBUG Starting write
1454563237015 addons.repository DEBUG No addons.json found.
1454563237016 DeferredSave.addons.json DEBUG Save changes
1454563237018 DeferredSave.addons.json DEBUG Starting timer
1454563237029 addons.manager DEBUG Starting provider: PreviousExperimentProvider
1454563237029 addons.manager DEBUG Registering shutdown blocker for PreviousExperimentProvider
1454563237029 addons.manager DEBUG Provider finished startup: PreviousExperimentProvider
1454563237037 DeferredSave.extensions.json DEBUG Write succeeded
1454563237038 addons.xpi-utils DEBUG XPI Database saved, setting schema version preference to 17
1454563237074 DeferredSave.addons.json DEBUG Starting write
1454563237091 DeferredSave.addons.json DEBUG Write succeeded

at org.openqa.selenium.firefox.internal.NewProfileExtensionConnection.start(NewProfileExtensionConnection.java:123)
... 30 more

[barancev]

Then it must be a network issue. Something is blocking connections to 127.0.0.1 port 7055.
Check the availability of this port, tune a firewall, an antivirus software, a proxy to allow connections.

This is a question rather than an issue. Please send questions to the selenium user group