# Unable to open browser with url: ''

**URL:** <https://forum.katalon.com/t/unable-to-open-browser-with-url/24111>\
**Category:** Web Testing\
**Tags:** web-testing, katalon-studio\
**Created:** [April 29, 2019, 4:52pm UTC](https://forum.katalon.com/t/unable-to-open-browser-with-url/24111 "2019-04-29T16:52:33Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![sundeltop322](https://avatars.discourse-cdn.com/v4/letter/s/ecccb3/32.png) [@sundeltop322](https://forum.katalon.com/u/sundeltop322)\
**Post date:** [April 29, 2019, 4:52pm UTC](https://forum.katalon.com/t/unable-to-open-browser-with-url/24111/1 "2019-04-29T16:52:33Z")

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Hello guys. I am new to Katalon and I need your help. I am trying to do some simple web-tests. I do RECORD option and it works there.  
However when I save RECORD and try to see LOG Viewer starting my case, it gives me error:  
Elapsed time: 0,770s

Test Cases/case\_1 FAILED.  
Reason:  
com.kms.katalon.core.exception.StepFailedException: Unable to open browser with url: ‘’  
at com.kms.katalon.core.webui.keyword.internal.WebUIKeywordMain.stepFailed(WebUIKeywordMain.groovy:64)  
at com.kms.katalon.core.webui.keyword.internal.WebUIKeywordMain.runKeyword(WebUIKeywordMain.groovy:26)  
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:56)  
at com.kms.katalon.core.webui.keyword.WebUiBuiltInKeywords.openBrowser(WebUiBuiltInKeywords.groovy:60)  
at com.kms.katalon.core.webui.keyword.WebUiBuiltInKeywords$openBrowser.call(Unknown Source)  
at case\_1.run(case\_1:16)  
at com.kms.katalon.core.main.ScriptEngine.run(ScriptEngine.java:194)  
at com.kms.katalon.core.main.ScriptEngine.runScriptAsRawText(ScriptEngine.java:119)  
at com.kms.katalon.core.main.TestCaseExecutor.runScript(TestCaseExecutor.java:336)  
at com.kms.katalon.core.main.TestCaseExecutor.doExecute(TestCaseExecutor.java:327)  
at com.kms.katalon.core.main.TestCaseExecutor.processExecutionPhase(TestCaseExecutor.java:306)  
at com.kms.katalon.core.main.TestCaseExecutor.accessMainPhase(TestCaseExecutor.java:298)  
at com.kms.katalon.core.main.TestCaseExecutor.execute(TestCaseExecutor.java:232)  
at com.kms.katalon.core.main.TestCaseMain.runTestCase(TestCaseMain.java:114)  
at com.kms.katalon.core.main.TestCaseMain.runTestCase(TestCaseMain.java:105)  
at com.kms.katalon.core.main.TestCaseMain$runTestCase$0.call(Unknown Source)  
at TempTestCase1556556211334.run(TempTestCase1556556211334.groovy:21)  
Caused by: com.kms.katalon.core.exception.StepFailedException: No driver is set for execution.  
at com.kms.katalon.core.webui.driver.DriverFactory.startNewBrowser(DriverFactory.java:213)  
at com.kms.katalon.core.webui.driver.DriverFactory.openWebDriver(DriverFactory.java:188)  
at com.kms.katalon.core.webui.keyword.builtin.OpenBrowserKeyword$\_openBrowser\_closure1.doCall(OpenBrowserKeyword.groovy:74)  
at com.kms.katalon.core.webui.keyword.builtin.OpenBrowserKeyword$\_openBrowser\_closure1.call(OpenBrowserKeyword.groovy)  
at com.kms.katalon.core.webui.keyword.internal.WebUIKeywordMain.runKeyword(WebUIKeywordMain.groovy:20)  
at com.kms.katalon.core.webui.keyword.builtin.OpenBrowserKeyword.openBrowser(OpenBrowserKeyword.groovy:81)  
at com.kms.katalon.core.webui.keyword.builtin.OpenBrowserKeyword.execute(OpenBrowserKeyword.groovy:67)  
at com.kms.katalon.core.keyword.internal.KeywordExecutor.executeKeywordForPlatform(KeywordExecutor.groovy:56)  
at com.kms.katalon.core.webui.keyword.WebUiBuiltInKeywords.openBrowser(WebUiBuiltInKeywords.groovy:60)  
at com.kms.katalon.core.webui.keyword.WebUiBuiltInKeywords$openBrowser.call(Unknown Source)  
at Script1556554616011.run(Script1556554616011.groovy:16)  
… 11 more

Someone can help me ? I tried different browsers, still the same error everywhere

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<div class="post-metadata">

**Author:** ![albert.vu](https://dub1.discourse-cdn.com/katalon/user_avatar/forum.katalon.com/albert.vu/32/20595_2.png) [@albert.vu](https://forum.katalon.com/u/albert.vu)\
**Post date:** [August 8, 2022, 7:01am UTC](https://forum.katalon.com/t/unable-to-open-browser-with-url/24111/3 "2022-08-08T07:01:47Z")

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Archived on August 8, 2022, 7:01am UTC