# Error when recording and executing scripts in Chrome Browser **URL:** \ **Category:** Web Testing\ **Tags:** chrome, web-testing, katalon-studio\ **Created:** [July 16, 2019, 10:08pm UTC](https://forum.katalon.com/t/error-when-recording-and-executing-scripts-in-chrome-browser/29738 "2019-07-16T22:08:51Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![justlew](https://avatars.discourse-cdn.com/v4/letter/j/90db22/32.png) [@justlew](https://forum.katalon.com/u/justlew)\ **Post date:** [July 16, 2019, 10:08pm UTC](https://forum.katalon.com/t/error-when-recording-and-executing-scripts-in-chrome-browser/29738/1 "2019-07-16T22:08:51Z")
**I recorded a script about a month ago using Chrome without any browser issues. A few days ago, I attempt to run the same script and received the below error message:** ``` Starting ChromeDriver 74.0.3729.6 (255758eccf3d244491b8a1317aa76e1ce10d57e9-refs/branch-heads/3729@{#29}) on port 31930 Only local connections are allowed. Please protect ports used by ChromeDriver and related test frameworks to prevent access by malicious code. [1563311029.938][WARNING]: This version of ChromeDriver has not been tested with Chrome version 75. 2019-07-16 16:03:50.037 ERROR c.k.k.core.keyword.internal.KeywordMain - ❌ Unable to open browser with url: '' (Root cause: 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$openBrowser.call(Unknown Source) at Dotcom - DHC.run(Dotcom - DHC:17) at com.kms.katalon.core.main.ScriptEngine.run(ScriptEngine.java:194) at com.kms.katalon.core.main.ScriptEngine.runScriptAsRawText(ScriptEngine.java:119) at com.kms.katalon.core.main.TestCaseExecutor.runScript(TestCaseExecutor.java:337) at com.kms.katalon.core.main.TestCaseExecutor.doExecute(TestCaseExecutor.java:328) at com.kms.katalon.core.main.TestCaseExecutor.processExecutionPhase(TestCaseExecutor.java:307) at com.kms.katalon.core.main.TestCaseExecutor.accessMainPhase(TestCaseExecutor.java:299) at com.kms.katalon.core.main.TestCaseExecutor.execute(TestCaseExecutor.java:233) at com.kms.katalon.core.main.TestCaseMain.runTestCase(TestCaseMain.java:114) at com.kms.katalon.core.main.TestCaseMain.runTestCase(TestCaseMain.java:105) at com.kms.katalon.core.main.TestCaseMain$runTestCase$0.call(Unknown Source) at TempTestCase1563311026378.run(TempTestCase1563311026378.groovy:21) Caused by: org.openqa.selenium.SessionNotCreatedException: session not created from disconnected: unable to connect to renderer (Session info: chrome=75.0.3770.142) (Driver info: chromedriver=74.0.3729.6 (255758eccf3d244491b8a1317aa76e1ce10d57e9-refs/branch-heads/3729@{#29}),platform=Mac OS X 10.14.5 x86_64) (WARNING: The server did not provide any stacktrace information) Command duration or timeout: 731 milliseconds Build info: version: '3.141.59', revision: 'e82be7d358', time: '2018-11-14T08:25:53' System info: host: 'mac031094.bcbsms.com', ip: 'fe80:0:0:0:14ab:ea:562b:5937%en0', os.name: 'Mac OS X', os.arch: 'x86_64', os.version: '10.14.5', java.version: '1.8.0_181' Driver info: driver.version: CChromeDriver at org.openqa.selenium.remote.ErrorHandler.createThrowable(ErrorHandler.java:214) at org.openqa.selenium.remote.ErrorHandler.throwIfResponseFailed(ErrorHandler.java:166) at org.openqa.selenium.remote.JsonWireProtocolResponse.lambda$errorHandler$0(JsonWireProtocolResponse.java:54) at org.openqa.selenium.remote.HandshakeResponse.lambda$getResponseFunction$0(HandshakeResponse.java:30) at org.openqa.selenium.remote.ProtocolHandshake.lambda$createSession$0(ProtocolHandshake.java:126) at org.openqa.selenium.remote.ProtocolHandshake.createSession(ProtocolHandshake.java:128) at org.openqa.selenium.remote.ProtocolHandshake.createSession(ProtocolHandshake.java:74) at org.openqa.selenium.remote.HttpCommandExecutor.execute(HttpCommandExecutor.java:136) at org.openqa.selenium.remote.service.DriverCommandExecutor.execute(DriverCommandExecutor.java:83) at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:552) at com.kms.katalon.selenium.driver.CChromeDriver.execute(CChromeDriver.java:20) at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:213) at org.openqa.selenium.remote.RemoteWebDriver.(RemoteWebDriver.java:131) at org.openqa.selenium.chrome.ChromeDriver.(ChromeDriver.java:181) at org.openqa.selenium.chrome.ChromeDriver.(ChromeDriver.java:147) at com.kms.katalon.selenium.driver.CChromeDriver.(CChromeDriver.java:13) at com.kms.katalon.core.webui.driver.DriverFactory.createNewChromeDriver(DriverFactory.java:284) at com.kms.katalon.core.webui.driver.DriverFactory.startNewBrowser(DriverFactory.java:246) at com.kms.katalon.core.webui.driver.DriverFactory.openWebDriver(DriverFactory.java:191) at com.kms.katalon.core.webui.keyword.builtin.OpenBrowserKeyword$_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 Script1560800849946.run(Script1560800849946.groovy:17) ... 11 more ``` **I searched through posts and updated the ChromeDriver and now I get this error:** ``` Starting ChromeDriver 75.0.3770.140 (2d9f97485c7b07dc18a74666574f19176731995c-refs/branch-heads/3770@{#1155}) on port 28171 Only local connections are allowed. Please protect ports used by ChromeDriver and related test frameworks to prevent access by malicious code. 2019-07-16 16:10:08.139 ERROR c.k.k.core.keyword.internal.KeywordMain - ❌ Unable to open browser with url: '' (Root cause: 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$openBrowser.call(Unknown Source) at Dotcom - DHC.run(Dotcom - DHC:17) at com.kms.katalon.core.main.ScriptEngine.run(ScriptEngine.java:194) at com.kms.katalon.core.main.ScriptEngine.runScriptAsRawText(ScriptEngine.java:119) at com.kms.katalon.core.main.TestCaseExecutor.runScript(TestCaseExecutor.java:337) at com.kms.katalon.core.main.TestCaseExecutor.doExecute(TestCaseExecutor.java:328) at com.kms.katalon.core.main.TestCaseExecutor.processExecutionPhase(TestCaseExecutor.java:307) at com.kms.katalon.core.main.TestCaseExecutor.accessMainPhase(TestCaseExecutor.java:299) at com.kms.katalon.core.main.TestCaseExecutor.execute(TestCaseExecutor.java:233) at com.kms.katalon.core.main.TestCaseMain.runTestCase(TestCaseMain.java:114) at com.kms.katalon.core.main.TestCaseMain.runTestCase(TestCaseMain.java:105) at com.kms.katalon.core.main.TestCaseMain$runTestCase$0.call(Unknown Source) at TempTestCase1563311404403.run(TempTestCase1563311404403.groovy:21) Caused by: org.openqa.selenium.SessionNotCreatedException: session not created from disconnected: unable to connect to renderer (Session info: chrome=75.0.3770.142) Build info: version: '3.141.59', revision: 'e82be7d358', time: '2018-11-14T08:25:53' System info: host: 'mac031094.bcbsms.com', ip: 'fe80:0:0:0:14ab:ea:562b:5937%en0', os.name: 'Mac OS X', os.arch: 'x86_64', os.version: '10.14.5', java.version: '1.8.0_181' Driver info: driver.version: CChromeDriver remote stacktrace: 0 chromedriver 0x0000000100780319 chromedriver + 3597081 1 chromedriver 0x000000010070ff73 chromedriver + 3137395 2 chromedriver 0x00000001004bbc6f chromedriver + 695407 3 chromedriver 0x00000001004ad837 chromedriver + 636983 4 chromedriver 0x00000001004bd1d3 chromedriver + 700883 5 chromedriver 0x0000000100452a66 chromedriver + 264806 6 chromedriver 0x000000010044f6d3 chromedriver + 251603 7 chromedriver 0x000000010042ba6a chromedriver + 105066 8 chromedriver 0x000000010042cac5 chromedriver + 109253 9 chromedriver 0x000000010073ef85 chromedriver + 3329925 10 chromedriver 0x000000010074a890 chromedriver + 3377296 11 chromedriver 0x000000010074a628 chromedriver + 3376680 12 chromedriver 0x000000010071e769 chromedriver + 3196777 13 chromedriver 0x000000010074b108 chromedriver + 3379464 14 chromedriver 0x0000000100732957 chromedriver + 3279191 15 chromedriver 0x0000000100767a94 chromedriver + 3496596 16 chromedriver 0x0000000100786047 chromedriver + 3620935 17 libsystem_pthread.dylib 0x00007fff6268f2eb _pthread_body + 126 18 libsystem_pthread.dylib 0x00007fff62692249 _pthread_start + 66 19 libsystem_pthread.dylib 0x00007fff6268e40d thread_start + 13 at org.openqa.selenium.remote.W3CHandshakeResponse.lambda$errorHandler$0(W3CHandshakeResponse.java:62) at org.openqa.selenium.remote.HandshakeResponse.lambda$getResponseFunction$0(HandshakeResponse.java:30) at org.openqa.selenium.remote.ProtocolHandshake.lambda$createSession$0(ProtocolHandshake.java:126) at org.openqa.selenium.remote.ProtocolHandshake.createSession(ProtocolHandshake.java:128) at org.openqa.selenium.remote.ProtocolHandshake.createSession(ProtocolHandshake.java:74) at org.openqa.selenium.remote.HttpCommandExecutor.execute(HttpCommandExecutor.java:136) at org.openqa.selenium.remote.service.DriverCommandExecutor.execute(DriverCommandExecutor.java:83) at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:552) at com.kms.katalon.selenium.driver.CChromeDriver.execute(CChromeDriver.java:20) at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:213) at org.openqa.selenium.remote.RemoteWebDriver.(RemoteWebDriver.java:131) at org.openqa.selenium.chrome.ChromeDriver.(ChromeDriver.java:181) at org.openqa.selenium.chrome.ChromeDriver.(ChromeDriver.java:147) at com.kms.katalon.selenium.driver.CChromeDriver.(CChromeDriver.java:13) at com.kms.katalon.core.webui.driver.DriverFactory.createNewChromeDriver(DriverFactory.java:284) at com.kms.katalon.core.webui.driver.DriverFactory.startNewBrowser(DriverFactory.java:246) at com.kms.katalon.core.webui.driver.DriverFactory.openWebDriver(DriverFactory.java:191) at com.kms.katalon.core.webui.keyword.builtin.OpenBrowserKeyword$_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 Script1560800849946.run(Script1560800849946.groovy:17) ... 11 more ``` **I’ve tried all 3 versions of the ChromeDriver compatible with the Chrome 75 but nothing works. Even tried a version of ChromeDriver 76 just for fun. The script executes successfully in all other browsers.** **Thanks, in advance, for your help.** ---
**Author:** ![Brandon\_Hein](https://dub1.discourse-cdn.com/katalon/user_avatar/forum.katalon.com/brandon_hein/32/1092_2.png) [@Brandon\_Hein](https://forum.katalon.com/u/Brandon_Hein)\ **Post date:** [July 16, 2019, 10:12pm UTC](https://forum.katalon.com/t/error-when-recording-and-executing-scripts-in-chrome-browser/29738/2 "2019-07-16T22:12:47Z")
Which version of Katalon are you using? ---
**Author:** ![justlew](https://avatars.discourse-cdn.com/v4/letter/j/90db22/32.png) [@justlew](https://forum.katalon.com/u/justlew)\ **Post date:** [July 23, 2019, 2:50pm UTC](https://forum.katalon.com/t/error-when-recording-and-executing-scripts-in-chrome-browser/29738/3 "2019-07-23T14:50:54Z")
I’m using version 6.2.1 ---
**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, 7:43am UTC](https://forum.katalon.com/t/error-when-recording-and-executing-scripts-in-chrome-browser/29738/4 "2022-08-08T07:43:13Z")
Archived on August 8, 2022, 7:43am UTC