Getting error Could not find or load main class org.testng.TestNG

Question

I\'m trying to run TestNG from command line, but it\'s giving me error. Can someone tell me where am I going wrong?

java -cp C:/TestNG directory

Answer 1

1. Try above answers.
2. If still not work, then you might have downloaded the wrong version of testng.jar. From link testng.org, please click "here for ant users" to download a full testng.jar(11 mega bytes), not a "Maven Central" version(no more than 100k).

I have tested those two versions on centos following testng tutorial point

Answer 2

Check that the lib folder contains testng-6.8.jar(or any other version) file because testng.xml even executes successfully without testng-6.8.jar (or any other version) with the jars that gets added when we add TestNG library.

Answer 3

1. Copy the below commands in a text file.

2. Edit the location.

3. Save it as yourtext.bat

4. Now, double click on the batch file created.

cd C:\Workspace\projectname

java -cp C:\Workspace\projectname\lib*;C:\Workspace\projectname\bin org.testng.TestNG testng.xml

Answer 4

Possibly your testng.jar file is not in the lib folder that C:\Workspace\projectname\lib.

You should find testng.jar first in your computer and move it manually to C:\Workspace\projectname\lib. Then it will work

Answer 5

Path of TestNG.jar file was not set up. Follow instructions of following site to set up. It worked for me: http://qtp-automate.blogspot.com/2011/10/running-selenium-testng-test-from.html

Answer 6

My Assumptions:

1. You are trying to run test file from command prompt

2. libs folder generated under Project/tagret upon using "mvn clean package -DskipTests"

3. class file generated under Project/target/test-classes/package-name

With above assumptions in mind, you can follow below process.

Setting class path in command prompt:

1. Open project location in command prompt


2. set classpath=C:\User\SeleniumTestProject\target\test-classes;C:\User\SeleniumTestProject\target\libs\*

3. java org.testng.TestNG C:\User\SeleniumTestProject\testng.xml