java.lang.NoClassDefFoundError: Could not initialize class com.kms.katalon.core.webui.keyword.builti

I ma trying to Run Katalon on console mode on my server for CI/CD integration

Whenever i run my tests, i get the following error:

12-18-2017 09:33:12 AM - [START] - Start action : openBrowser

12-18-2017 09:33:12 AM - [END] - End action : openBrowser

12-18-2017 09:33:12 AM - [ERROR] - Test Cases/Login FAILED because (of) java.awt.HeadlessException

12-18-2017 09:33:12 AM - [END] - End Test Case : Test Cases/Login

12-18-2017 09:33:12 AM - [START] - Start Test Case : Test Cases/CA

12-18-2017 09:33:12 AM - [INFO] - Evaluating variables for test case

12-18-2017 09:33:12 AM - [START] - Start action : openBrowser

12-18-2017 09:33:12 AM - [END] - End action : openBrowser

12-18-2017 09:33:12 AM - [ERROR] - Test Cases/CA FAILED because (of) java.lang.NoClassDefFoundError: Could not initialize class com.kms.katalon.core.webui.keyword.builtin.OpenBrowserKeyword

12-18-2017 09:33:12 AM - [END] - End Test Case : Test Cases/CA

the same test runs fine on Windows using GUI but failed on Server.
Not sure if i am missing any dependency

Issue resolved.

Was using OpenJDK before but you need to use Oracle JDK only.

Hi, I am stuck with this issue. could anyone have best solution to handle this, please?Error

java.lang.NoClassDefFoundError: Could not initialize class com.kms.katalon.core.webui.keyword.builtin.OpenBrowserKeyword

We are trying to run on Ubuntu OS.

Hii… it also happen to me using Katalon_Studio_Linux_64-5.3.0 on Ubuntu 16.04.3 LTS , previously it works on Katalon_Studio_Linux_64-5.1

02-14-2018 11:20:47 AM - [ERROR]  - Test Cases/testCase_headless FAILED because (of) java.lang.NoClassDefFoundError: Could not initialize class com.kms.katalon.core.webui.keyword.builtin.OpenBrowserKeyword

here the detail log :
https://pastebin.com/raw/4rjAYweW

Java_home already set to OracleJDK

Ah sorry, i’m forget to update the fix.

in my case every time i run katalon inside ubuntu servir it always return java.lang.NoClassDefFoundError: com.kms.katalon.core.webui.keyword.internal.WebUIAbstractKeyword

The solution is quite simple, just add xvfb befor katalon execution

xvfb-run -a ./katalon --args -runMode=console -projectPath="yourworkspace/theproject.prj" -retry=0 -testSuiteCollectionPath="Test Suites/SanityTest User Account"
1 Like

Hari said:

Hi, I am stuck with this issue. could anyone have best solution to handle this, please?Error

java.lang.NoClassDefFoundError: Could not initialize class com.kms.katalon.core.webui.keyword.builtin.OpenBrowserKeyword

We are trying to run on Ubuntu OS.

Hi Hari, did you solved the above issue, i’m also facing exactly the same. Thanks

Thank you for the report. We have identified the root cause and will have a fix soon.

katalon studio works under CentOS7/Redhad ?

  • i download the katalon studio for linux .
  • i installed the OpenJdk8 not worked ! through gitlab ci pipeline
  • i replaced the openJdk by the oracle jdk also not worked !
    ps:same project tested on win server & win 10 worked well
2 Likes

hi @ahmd.belhoula,

What is the error, can you provide us more details?

hi @duyluong,

here is the log

`--------------------------------------------------------------------------------
Test Suites/Test suite Login - Remote - http://10.12.1.10:9000 - 20190117_171415
…0/1(0%)

Request sent successfully.
2019-01-17 17:14:20.410 INFO c.k.katalon.core.main.TestSuiteExecutor - START Test Suites/Test suite Login
2019-01-17 17:14:20.450 INFO c.k.katalon.core.main.TestSuiteExecutor - hostName = root - tools-jks-cen02.onl.myopenbee.com
2019-01-17 17:14:20.452 INFO c.k.katalon.core.main.TestSuiteExecutor - os = Linux 64bit
2019-01-17 17:14:20.452 INFO c.k.katalon.core.main.TestSuiteExecutor - hostAddress = 10.12.1.20
2019-01-17 17:14:20.453 INFO c.k.katalon.core.main.TestSuiteExecutor - katalonVersion = 5.10.1.1
2019-01-17 17:14:20.728 INFO c.k.katalon.core.main.TestCaseExecutor - --------------------
2019-01-17 17:14:20.728 INFO c.k.katalon.core.main.TestCaseExecutor - START Test Cases/Login Page/Login
2019-01-17 17:14:20.779 INFO c.k.katalon.core.main.TestCaseExecutor - (Default) username =
2019-01-17 17:14:20.787 INFO c.k.katalon.core.main.TestCaseExecutor - (Default) password =
2019-01-17 17:14:21.048 ERROR c.k.k.core.context.internal.TestHooker - :x: org.codehaus.groovy.runtime.InvokerInvocationException: java.lang.ExceptionInInitializerError
2019-01-17 17:14:21.181 DEBUG testcase.Login - 1: setText(findTestObject(“Object Repository/login/Page_Login/login”), username)
2019-01-17 17:14:21.213 ERROR c.k.katalon.core.main.TestCaseExecutor - :x: setText(findTestObject(“Object Repository/login/Page_Login/login”), username) FAILED.
Reason:
java.lang.NoClassDefFoundError: com.kms.katalon.core.webui.keyword.internal.WebUIAbstractKeyword
at com.kms.katalon.core.keyword.internal.KeywordExecutor.getActions(KeywordExecutor.groovy:130)
at com.kms.katalon.core.keyword.internal.KeywordExecutor.executeKeywordForPlatform(KeywordExecutor.groovy:49)
at com.kms.katalon.core.webui.keyword.WebUiBuiltInKeywords.setText(WebUiBuiltInKeywords.groovy:950)
at com.kms.katalon.core.webui.keyword.WebUiBuiltInKeywords$setText$0.call(Unknown Source)
at Login.run(Login:20)
at com.kms.katalon.core.main.ScriptEngine.run(ScriptEngine.java:194)
at com.kms.katalon.core.main.ScriptEngine.runScriptAsRawText(ScriptEngine.java:119)
at com.kms.katalon.core.main.TestCaseExecutor.runScript(TestCaseExecutor.java:328)
at com.kms.katalon.core.main.TestCaseExecutor.doExecute(TestCaseExecutor.java:319)
at com.kms.katalon.core.main.TestCaseExecutor.processExecutionPhase(TestCaseExecutor.java:298)
at com.kms.katalon.core.main.TestCaseExecutor.accessMainPhase(TestCaseExecutor.java:290)
at com.kms.katalon.core.main.TestCaseExecutor.execute(TestCaseExecutor.java:224)
at com.kms.katalon.core.main.TestSuiteExecutor.accessTestCaseMainPhase(TestSuiteExecutor.java:129)
at com.kms.katalon.core.main.TestSuiteExecutor.accessTestSuiteMainPhase(TestSuiteExecutor.java:112)
at com.kms.katalon.core.main.TestSuiteExecutor.execute(TestSuiteExecutor.java:81)
at com.kms.katalon.core.main.TestCaseMain.startTestSuite(TestCaseMain.java:149)
at com.kms.katalon.core.main.TestCaseMain$startTestSuite$0.call(Unknown Source)
at TempTestSuite1547741655465.run(TempTestSuite1547741655465.groovy:36)

2019-01-17 17:14:21.215 ERROR c.k.katalon.core.main.TestCaseExecutor - :x: Test Cases/Login Page/Login FAILED.
Reason:
java.lang.NoClassDefFoundError: com.kms.katalon.core.webui.keyword.internal.WebUIAbstractKeyword
at com.kms.katalon.core.keyword.internal.KeywordExecutor.getActions(KeywordExecutor.groovy:130)
at com.kms.katalon.core.keyword.internal.KeywordExecutor.executeKeywordForPlatform(KeywordExecutor.groovy:49)
at com.kms.katalon.core.webui.keyword.WebUiBuiltInKeywords.setText(WebUiBuiltInKeywords.groovy:950)
at com.kms.katalon.core.webui.keyword.WebUiBuiltInKeywords$setText$0.call(Unknown Source)
at Login.run(Login:20)
at com.kms.katalon.core.main.ScriptEngine.run(ScriptEngine.java:194)
at com.kms.katalon.core.main.ScriptEngine.runScriptAsRawText(ScriptEngine.java:119)
at com.kms.katalon.core.main.TestCaseExecutor.runScript(TestCaseExecutor.java:328)
at com.kms.katalon.core.main.TestCaseExecutor.doExecute(TestCaseExecutor.java:319)
at com.kms.katalon.core.main.TestCaseExecutor.processExecutionPhase(TestCaseExecutor.java:298)
at com.kms.katalon.core.main.TestCaseExecutor.accessMainPhase(TestCaseExecutor.java:290)
at com.kms.katalon.core.main.TestCaseExecutor.execute(TestCaseExecutor.java:224)
at com.kms.katalon.core.main.TestSuiteExecutor.accessTestCaseMainPhase(TestSuiteExecutor.java:129)
at com.kms.katalon.core.main.TestSuiteExecutor.accessTestSuiteMainPhase(TestSuiteExecutor.java:112)
at com.kms.katalon.core.main.TestSuiteExecutor.execute(TestSuiteExecutor.java:81)
at com.kms.katalon.core.main.TestCaseMain.startTestSuite(TestCaseMain.java:149)
at com.kms.katalon.core.main.TestCaseMain$startTestSuite$0.call(Unknown Source)
at TempTestSuite1547741655465.run(TempTestSuite1547741655465.groovy:36)

2019-01-17 17:14:21.222 ERROR c.k.k.core.context.internal.TestHooker - :x: org.codehaus.groovy.runtime.InvokerInvocationException: java.lang.NoClassDefFoundError: com.kms.katalon.core.webui.keyword.internal.WebUIAbstractKeyword
2019-01-17 17:14:21.223 INFO c.k.katalon.core.main.TestCaseExecutor - END Test Cases/Login Page/Login
2019-01-17 17:14:21.249 INFO c.k.katalon.core.main.TestSuiteExecutor - --------------------
2019-01-17 17:14:21.249 INFO c.k.katalon.core.main.TestSuiteExecutor - END Test Suites/Test suite Login
2019-01-17 17:14:21.249 INFO c.k.katalon.core.main.TestSuiteExecutor - ====================
Uploading report to Katalon Analytics…
Start sending test result to Katalon Analytics
Uploading log files in folder path: /home/gitlab-runner/builds/xyywL9gj/0/ahmed_b/qa-ccfn/Reports/Test suite Login/20190117_171415
Sending file: /home/gitlab-runner/builds/xyywL9gj/0/ahmed_b/qa-ccfn/Reports/Test suite Login/20190117_171415/execution0.log
Sending file: /home/gitlab-runner/builds/xyywL9gj/0/ahmed_b/qa-ccfn/Reports/Test suite Login/20190117_171415/execution.properties
Sending file: /home/gitlab-runner/builds/xyywL9gj/0/ahmed_b/qa-ccfn/Reports/Test suite Login/20190117_171415/JUnit_Report.xml
Sending file: /home/gitlab-runner/builds/xyywL9gj/0/ahmed_b/qa-ccfn/Reports/Test suite Login/20190117_171415/execution.uuid
End sending to Katalon Analytics
Report has been sent to Katalon Analytics


Test Suites/Test suite Login - Remote - http://10.12.1.10:9000 - 20190117_171415
…1/1(100%)

ERROR: Job failed: exit status 1`

Hi @ahmd.belhoula,

You need to install xvfb in the linux machine.
Please read this post: How to use Katalon plugin for Jenkins on Ubuntu.

1 Like

hi @duyluong ,
this does not meet my need because i want to run tests under IE 11, otherwise ,it is possible to run tests in remote mode which means in my case :thinking: i have katalon under a linux machine and IEdriver a windows machine.

thanks
:slight_smile:

Hi @ahmd.belhoula,

Currently, Katalon Studio doesn’t provide that. Btw, you can create a test suite collection to run in windows and others in linux.

1 Like

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