User information
gdelanieve@banreservas.com
*Summary
What happens to us is that when we execute our project through the command line (KRE), it shows the following exception (java.lang.NoClassDefFoundError: MobileElement).
The most curious thing is that I see that this class is internal to Katalon and still shows this error, in the same way I tried adding it (java-client) by internal plugings, both by Gradle and by the UI of Katalon Studio and still gives this same error.
Thinking I say maybe the KS libraries are not in KRE, I see that inside KRE in the following path (/Katalon_Studio_Engine.app/Contents/Eclipse/Plugins) is where KRE manages the plugins, also there I added the java-client and it doesn’t work either.
I saw in the official documentation that said that it showed the error “NoClassDefFoundError” I should install OpenJDK 17 (This for linux and I am in MacOs), even so I tried it and it also continues with the error.
I also see that .classpath in KS shows this java-client library.
Question, KRE handles the libraries differently, from which folder or takes the libraries loaded in KS → Drivers?
NOTE: Running the tests from KS works perfectly.
*Steps to reproduce
Execute an test automated using the MobileElement class from Java-client
*Expected Results
Run the TS through KRE from start to finish with no remaining class exception failures.
*Actual Results
Running this automated script from KRE will fail and show a java.lang.NoClassDefFoundError: MobileElement exception.
*Screenshots / Videos
*Blocker?
Yes
Number of affected users?
5
*Operating System
MacOS Montery
*Katalon Studio version
9.6.0
*Katalon Studio logs
2025-03-07 09:32:00.247 INFO c.k.k.c.m.k.i.MobileDriverFactory - User set preference: ['appium:unicodeKeyboard', 'true']
2025-03-07 09:32:00.247 INFO c.k.k.c.m.k.i.MobileDriverFactory - User set preference: ['platformVersion', '15']
2025-03-07 09:32:00.248 INFO c.k.k.c.m.k.i.MobileDriverFactory - User set preference: ['automationName', 'UiAutomator2']
2025-03-07 09:32:00.248 INFO c.k.k.c.m.k.i.MobileDriverFactory - User set preference: ['platformName', 'Android']
2025-03-07 09:32:00.248 INFO c.k.k.c.m.k.i.MobileDriverFactory - User set preference: ['deviceName', 'emulator-5554']
2025-03-07 09:32:00.248 INFO c.k.k.c.m.k.i.MobileDriverFactory - User set preference: ['appium:resetKeyboard', 'true']
2025-03-07 09:32:00.256 INFO c.k.k.core.appium.util.AppiumDriverUtil - There are uncompatible capabilities keys which will be replaced: appActivity=appium:appActivity, appPackage=appium:appPackage, newCommandTimeout=appium:newCommandTimeout, platformVersion=appium:platformVersion, automationName=appium:automationName, autoGrantPermissions=appium:autoGrantPermissions, deviceName=appium:deviceName, systemPort=appium:systemPort
2025-03-07 09:32:06.150 INFO c.k.k.c.a.driver.AppiumRequestService - appiumVersion = 2.16.2
2025-03-07 09:32:06.151 INFO c.k.k.c.a.driver.AppiumRequestService - appiumServerStatus = {"value":{"ready":true,"message":"The server is ready to accept new connections","build":{"version":"2.16.2","git-sha":"64efed206deeb9c2304d9e5b5910dcbf0a509c15","built":"2025-03-02 19:32:54 +0000"}}}
2025-03-07 09:32:06.155 INFO c.k.k.c.a.driver.AppiumDriverManager - remoteDriverUrl = http://127.0.0.1:4723
2025-03-07 09:32:06.155 INFO c.k.k.c.a.driver.AppiumDriverManager - desiredCapabilities = {
"appActivity": ".Settings",
"appPackage": "com.android.settings",
"appium:resetKeyboard": true,
"newCommandTimeout": 1800,
"platformVersion": "15",
"appium:unicodeKeyboard": true,
"automationName": "UiAutomator2",
"autoGrantPermissions": true,
"platformName": "ANDROID",
"deviceName": "emulator-5554",
"systemPort": 8223
}
2025-03-07 09:32:06.435 INFO c.k.katalon.core.main.TestCaseExecutor - --------------------
2025-03-07 09:32:06.435 INFO c.k.katalon.core.main.TestCaseExecutor - START Test Cases/TC-Scenarios/29-Historico de Transacciones
2025-03-07 09:32:06.444 INFO c.k.katalon.core.main.TestCaseExecutor - RNC = 101528273
2025-03-07 09:32:06.445 INFO c.k.katalon.core.main.TestCaseExecutor - Username1 = margaritaf
2025-03-07 09:32:06.445 INFO c.k.katalon.core.main.TestCaseExecutor - Password = Br123456!
2025-03-07 09:32:06.445 INFO c.k.katalon.core.main.TestCaseExecutor - Username2 = automati1
2025-03-07 09:32:06.445 INFO c.k.katalon.core.main.TestCaseExecutor - Username3 = jaqueline20
2025-03-07 09:32:06.445 INFO c.k.katalon.core.main.TestCaseExecutor - Email = 123456
2025-03-07 09:32:06.445 INFO c.k.katalon.core.main.TestCaseExecutor - CuentaOrigen = 9601284249
2025-03-07 09:32:06.445 INFO c.k.katalon.core.main.TestCaseExecutor - CuentaDestino = 9600431762
2025-03-07 09:32:06.445 INFO c.k.katalon.core.main.TestCaseExecutor - Description = UsdToUsd-Authorize
2025-03-07 09:32:06.445 INFO c.k.katalon.core.main.TestCaseExecutor - Monto = 70
2025-03-07 09:32:06.445 INFO c.k.katalon.core.main.TestCaseExecutor - Concept = UsdToUsd-Authorize
2025-03-07 09:32:06.445 INFO c.k.katalon.core.main.TestCaseExecutor - CaseNo = CP 1.9
2025-03-07 09:32:06.445 INFO c.k.katalon.core.main.TestCaseExecutor - ExpectedTransactionMessage1 = Sometida. Pendiente de autorizaciĂłn
2025-03-07 09:32:06.446 INFO c.k.katalon.core.main.TestCaseExecutor - Verification = Authorize
2025-03-07 09:32:06.446 INFO c.k.katalon.core.main.TestCaseExecutor - ExpectedAuthMessage2 = Autorizada
2025-03-07 09:32:06.446 INFO c.k.katalon.core.main.TestCaseExecutor - ExpectedAuthMessage3 = NOT REQUIRED
2025-03-07 09:32:06.446 INFO c.k.katalon.core.main.TestCaseExecutor - Tax = false
2025-03-07 09:32:06.446 INFO c.k.katalon.core.main.TestCaseExecutor - Approvals = 1
Test Case Counter: 1
2025-03-07 09:32:06.512 DEBUG testcase.29-Historico de Transacciones - 1: app = instance
2025-03-07 09:32:06.524 ERROR c.k.katalon.core.main.TestCaseExecutor - ❌ Test Cases/TC-Scenarios/29-Historico de Transacciones FAILED.
Reason:
java.lang.NoClassDefFoundError: MobileElement
at java.desktop/com.sun.beans.introspect.MethodInfo.get(MethodInfo.java:70)
at java.desktop/com.sun.beans.introspect.ClassInfo.getMethods(ClassInfo.java:80)
at mobile.actions.PlatformUtils.driverType(PlatformUtils.groovy:19)
at app.pages.AppPages.getInstance(AppPages.groovy:66)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at 29-Historico de Transacciones.run(29-Historico de Transacciones:10)
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:448)
at com.kms.katalon.core.main.TestCaseExecutor.doExecute(TestCaseExecutor.java:439)
at com.kms.katalon.core.main.TestCaseExecutor.processExecutionPhase(TestCaseExecutor.java:418)
at com.kms.katalon.core.main.TestCaseExecutor.accessMainPhase(TestCaseExecutor.java:410)
at com.kms.katalon.core.main.TestCaseExecutor.execute(TestCaseExecutor.java:285)
at com.kms.katalon.core.common.CommonExecutor.accessTestCaseMainPhase(CommonExecutor.java:71)
at com.kms.katalon.core.main.TestSuiteExecutor.accessTestSuiteMainPhase(TestSuiteExecutor.java:160)
at com.kms.katalon.core.main.TestSuiteExecutor.execute(TestSuiteExecutor.java:107)
at com.kms.katalon.core.main.TestCaseMain.startTestSuite(TestCaseMain.java:180)
at com.kms.katalon.core.main.TestCaseMain$startTestSuite$0.call(Unknown Source)
at TempTestSuite1741354318679.run(TempTestSuite1741354318679.groovy:35)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
Caused by: java.lang.ClassNotFoundException: MobileElement
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188)
at java.desktop/com.sun.beans.introspect.MethodInfo.get(MethodInfo.java:70)
at java.desktop/com.sun.beans.introspect.ClassInfo.getMethods(ClassInfo.java:80)
at mobile.actions.PlatformUtils.driverType(PlatformUtils.groovy:19)
at app.pages.AppPages.getInstance(AppPages.groovy:66)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at Script1735830533335.run(Script1735830533335.groovy:10)
... 16 more
Environment (for Mobile Testing)
Android
Appium version
2.16.2
Mobile platform/version under test: (for example: iOS 11 or Android 7)
Android 15
