Stuck in this issue please help me out

Question

Got following error when try to execute first script to open web url with help of gecko driver -

Exception in thread "main" java.lang.NoClassDefFoundError: com/google/common/collect/ImmutableMap

at org.openqa.selenium.firefox.FirefoxDriver.<clinit>(FirefoxDriver.java:108)

at nw.test.main(test.java:14)

Caused by: java.lang.ClassNotFoundException: com.google.common.collect.ImmutableMap

at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:583)

at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)

at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)

... 2 more

Comments

Use below dependency Guava

<!-- https://mvnrepository.com/artifact/com.google.guava/guava -->
<dependency>
    <groupId>com.google.guava</groupId>
    <artifactId>guava</artifactId>
    <version>27.1-jre</version>
</dependency>

Answer 1

Hey @Paul, can you please share your code snippet where you are getting the error. You might be using some wrong command or methods in your code. Please share your code.

Answer 2

NoClassDefFoundError exception : Mismatch of classpath in runtime.

Comments

@Varun, have you added all the necessary jar files for Selenium Webdriver? This error usually occurs when you forget to add selenium-server-standalone-version.jar 

Please check all the Selenium Webdriver and Selenium-java version jar files are added properly.