Open browser does not work with Firefox

## Operating System: (for example: Windows 10 or OSX Sierra)

Windows10 64bit

**## Katalon Studio Version:
**

5.8.3

## Katalon Studio logs:

Test Cases/Test test FAILED because (of) (Stack trace: com.kms.katalon.core.exception.StepFailedException: Unable to open browser with url: ‘www.katalon.com’ (Root cause: org.openqa.selenium.WebDriverException: newSession
Build info: version: ‘3.7.1’, revision: ‘8a0099a’, time: ‘2017-11-06T21:07:36.161Z’
System info: host: ‘hostname’, ip: ‘192.168.56.1’, os.name: ‘Windows 10’, os.arch: ‘amd64’, os.version: ‘10.0’, java.version: ‘1.8.0_181’
Driver info: driver.version: CGeckoDriver
remote stacktrace: stack backtrace:
0: 0x4821c4 -
1: 0x482933 -
2: 0x445159 -
3: 0x44eff6 -
4: 0x4322e1 -
5: 0x40ba4e -
6: 0x4119b9 -
7: 0x6d2c89 -
8: 0x426006 -
9: 0x6cd490 -
10: 0x7ffc3b3f7e94 - BaseThreadInitThunk)
at com.kms.katalon.core.keyword.internal.KeywordMain.stepFailed(KeywordMain.groovy:36)
at com.kms.katalon.core.webui.keyword.internal.WebUIKeywordMain.stepFailed(WebUIKeywordMain.groovy:65)
at com.kms.katalon.core.webui.keyword.internal.WebUIKeywordMain.runKeyword(WebUIKeywordMain.groovy:27)
at com.kms.katalon.core.webui.keyword.builtin.OpenBrowserKeyword.openBrowser(OpenBrowserKeyword.groovy:81)
at com.kms.katalon.core.webui.keyword.builtin.OpenBrowserKeyword.execute(OpenBrowserKeyword.groovy:67)
at com.kms.katalon.core.keyword.internal.KeywordExecutor.executeKeywordForPlatform(KeywordExecutor.groovy:53)
at com.kms.katalon.core.webui.keyword.WebUiBuiltInKeywords.openBrowser(WebUiBuiltInKeywords.groovy:60)
at com.kms.katalon.core.webui.keyword.WebUiBuiltInKeywords$openBrowser.call(Unknown Source)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:48)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:113)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:125)
at Script1496990700910.run(Script1496990700910.groovy:15)
at com.kms.katalon.core.main.ScriptEngine.run(ScriptEngine.java:183)
at com.kms.katalon.core.main.ScriptEngine.runScriptAsRawText(ScriptEngine.java:108)
at com.kms.katalon.core.main.TestCaseExecutor.runScript(TestCaseExecutor.java:294)
at com.kms.katalon.core.main.TestCaseExecutor.doExecute(TestCaseExecutor.java:285)
at com.kms.katalon.core.main.TestCaseExecutor.processExecutionPhase(TestCaseExecutor.java:264)
at com.kms.katalon.core.main.TestCaseExecutor.accessMainPhase(TestCaseExecutor.java:256)
at com.kms.katalon.core.main.TestCaseExecutor.execute(TestCaseExecutor.java:200)
at com.kms.katalon.core.main.TestCaseMain.runTestCase(TestCaseMain.java:99)
at com.kms.katalon.core.main.TestCaseMain.runTestCase(TestCaseMain.java:90)
at com.kms.katalon.core.main.TestCaseMain$runTestCase$0.call(Unknown Source)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:48)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:113)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:149)
at TempTestCase1540531602242.run(TempTestCase1540531602242.groovy:22)
at groovy.lang.GroovyShell.runScriptOrMainOrTestOrRunnable(GroovyShell.java:263)
at groovy.lang.GroovyShell.run(GroovyShell.java:518)
at groovy.lang.GroovyShell.run(GroovyShell.java:507)
at groovy.ui.GroovyMain.processOnce(GroovyMain.java:653)
at groovy.ui.GroovyMain.run(GroovyMain.java:384)
at groovy.ui.GroovyMain.process(GroovyMain.java:370)
at groovy.ui.GroovyMain.processArgs(GroovyMain.java:129)
at groovy.ui.GroovyMain.main(GroovyMain.java:109)
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:498)
at org.codehaus.groovy.tools.GroovyStarter.rootLoader(GroovyStarter.java:109)
at org.codehaus.groovy.tools.GroovyStarter.main(GroovyStarter.java:131)
))

## Environment (for Web testing)

  • Firefox 62.0.3 (64-bit)

## Steps to reproduce

Open test to Firefox

## Expected Behavior

Browser open and test run to end

## Actual Behavior

Browser closed

Okei, solution here :slight_smile: