Getting error "cucumber.runtime.CucumberException: Couldn't load plugin class: com.cucumber.listener.ExtentCucumberFormatter."
Solution 1
After many days searching for a solution to this problem that was also happening to me, I discovered the cause (at least that worked for me). Apparently, the pluggin com.cucumber.listener.ExtentCucumberFormatter or com.vimalselvam.cucumber.listener.ExtentCucumberFormatter (for cucumber-extentreports version 3.1.1+) only works with the cucumber of the info.cukes package.
<! - https://mvnrepository.com/artifact/info.cukes/cucumber-java ->
<dependency>
<groupId>info.cukes</ groupId>
<artifactId>cucumber-java</artifactId>
<version>1.2.5</ version>
</dependency>
To use ExtentReports with the most current cucumber versions (package io.cucumber from versions 2.X.X onwards) you need to add the cucumber-adapter plugin.
For each X version of cucumber, there is an adapter, such as for cucumber version 4.X.X the extentreports-cucumber4-adapter dependency is required.
<dependency>
<groupId>com.aventstack</groupId>
<artifactId>extentreports-cucumber4-adapter</artifactId>
<version>1.0.7</version>
</dependency>
And in the class Runner you should replace the plugin:
"com.cucumber.listener.ExtentCucumberFormatter:"
by
"com.aventstack.extentreports.cucumber.adapter.ExtentCucumberAdapter:"
For an example of using cucumber 4 with extent reports follow the GitHub link I found:
For versions 2.X.X and 3.X.X follow the same principles as 4.X.X
ExtentReport settings specification link of all versions:
Hope this helps.
Solution 2
Advise is to upgrade your cucumber v to 4.x.x. Doing so would not only resolve your error rather you would be able to generate consolidated report during parallel execution as well without creating runners manually.
There are 2 ways of implementing extent report in Cucumber :
1. Using Cucumber-JVM 4 adapter for Extent Framework(extentreports-cucumber4-adapter) - Beauty is, you do not need to write any code any where to generate report this way except from setting adapter in runner below.
Add adapter dependency under POM.XML
<dependency>
<groupId>com.aventstack</groupId>
<artifactId>extentreports-cucumber4-adapter</artifactId>
<version>1.0.6</version>
</dependency>
Add the com.aventstack.extentreports.cucumber.adapter.ExtentCucumberAdapter plugin to the runner.
@RunWith(Cucumber.class)
@CucumberOptions(plugin = {"com.aventstack.extentreports.cucumber.adapter.ExtentCucumberAdapter:"})
public class RunCukesTest {
// ..
}
Report Output Directory - ../Project Directory/test-output/HtmlReport
2. Adding aventstack dependency under POM.XML
<dependency>
<groupId>com.aventstack</groupId>
<artifactId>extentreports</artifactId>
<version>3.1.5</version>
</dependency>
In this workflow, Do not Add the com.aventstack.extentreports.cucumber.adapter.ExtentCucumberAdapter plugin to the runner.
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vikramaditya anand
Updated on June 04, 2022Comments
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vikramaditya anand almost 2 years
I am trying to generate Extent report for my test run using Junit cucumber ,but i am getting error
"cucumber.runtime.CucumberException: Couldn't load plugin class: com.cucumber.listener.ExtentCucumberFormatter. It does not implement cucumber.api.Plugin "
My Error trace is as follows -:
cucumber.runtime.CucumberException: Couldn't load plugin class: com.cucumber.listener.ExtentCucumberFormatter. It does not implement cucumber.api.Plugin at cucumber.runtime.formatter.PluginFactory.loadClass(PluginFactory.java:179) at cucumber.runtime.formatter.PluginFactory.pluginClass(PluginFactory.java:166) at cucumber.runtime.formatter.PluginFactory.getPluginClass(PluginFactory.java:223) at cucumber.runtime.formatter.PluginFactory.isFormatterName(PluginFactory.java:201) at cucumber.runtime.RuntimeOptionsFactory.addPlugins(RuntimeOptionsFactory.java:94) at cucumber.runtime.RuntimeOptionsFactory.buildArgsFromOptions(RuntimeOptionsFactory.java:41) at cucumber.runtime.RuntimeOptionsFactory.create(RuntimeOptionsFactory.java:26) at cucumber.api.junit.Cucumber.<init>(Cucumber.java:74) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at org.junit.internal.builders.AnnotatedBuilder.buildRunner(AnnotatedBuilder.java:104) at org.junit.internal.builders.AnnotatedBuilder.runnerForClass(AnnotatedBuilder.java:86) at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:59) at org.junit.internal.builders.AllDefaultPossibilitiesBuilder.runnerForClass(AllDefaultPossibilitiesBuilder.java:26) at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:59) at org.junit.internal.requests.ClassRequest.getRunner(ClassRequest.java:33) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.createUnfilteredTest(JUnit4TestLoader.java:87) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.createTest(JUnit4TestLoader.java:73) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.loadTests(JUnit4TestLoader.java:46) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:522) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:760) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:460) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:206)
My Pom.xml has following dependencies -:
<dependency> <groupId>io.cucumber</groupId> <artifactId>cucumber-java</artifactId> <version>2.3.1</version> <scope>test</scope> </dependency> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.12</version> <scope>test</scope> </dependency> <dependency> <groupId>io.cucumber</groupId> <artifactId>cucumber-testng</artifactId> <version>2.3.1</version> </dependency> <dependency> <groupId>com.beust</groupId> <artifactId>jcommander</artifactId> <version>1.27</version> </dependency> <dependency> <groupId>io.cucumber</groupId> <artifactId>cucumber-junit</artifactId> <version>2.3.1</version> <scope>test</scope> </dependency> <dependency> <groupId>org.testng</groupId> <artifactId>testng</artifactId> <version>6.13</version> <scope>test</scope> </dependency> <dependency> <groupId>org.seleniumhq.selenium</groupId> <artifactId>selenium-java</artifactId> <version>3.8.1</version> </dependency> <dependency> <groupId>com.vimalselvam</groupId> <artifactId>cucumber-extentsreport</artifactId> <version>3.0.0</version> </dependency> <dependency> <groupId>com.aventstack</groupId> <artifactId>extentreports</artifactId> <version>3.1.3</version> </dependency> <dependency> <groupId>com.relevantcodes</groupId> <artifactId>extentreports</artifactId> <version>2.41.2</version> </dependency> <dependency> <groupId>info.cukes</groupId> <artifactId>cucumber-jvm-deps</artifactId> <version>1.0.3</version> <scope>provided</scope> </dependency> <dependency> <groupId>info.cukes</groupId> <artifactId>gherkin</artifactId> <version>2.7.3</version> </dependency>
My Runner class is as Follows -:
package com.cumberpr2.Runner; import java.io.File; import org.junit.AfterClass; import org.junit.BeforeClass; import org.junit.runner.RunWith; import com.cucumber.listener.ExtentProperties; import com.cucumber.listener.Reporter; import cucumber.api.CucumberOptions; import cucumber.api.junit.Cucumber; @RunWith(Cucumber.class) @CucumberOptions(features= {"src/test/java/com/cumberpr2/First/feature"},glue= {"com/cumberpr2/step"}, monochrome=true,tags= {"@bvt,@sanity"},plugin={"com.cucumber.listener.ExtentCucumberFormatter:target/cucumber/report1.html"} ) //{"pretty","html:target/cucumber","com.cucumber.listener.ExtentCucumberFormatter"} public class Runner1 { @AfterClass public static void teardown() { Reporter.loadXMLConfig(new File("/src/test/java/com/cumberpr2/step/Extent-Config.xml")); Reporter.setSystemInfo("os", "windows OSX"); Reporter.setTestRunnerOutput("Sample test runner output message"); } /* @BeforeClass public static void setup() { ExtentProperties extentProperties = ExtentProperties.INSTANCE; extentProperties.setReportPath("output/myreport.html"); extentProperties.setExtentXServerUrl("http://localhost:1337"); extentProperties.setProjectName("MyProject"); }*/ }
My Folder structure is as follows -: [1]: https://i.stack.imgur.com/ek06R.png
[enter image description here][1]
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Grasshopper about 6 yearsSeems to be a known issue. Extent report does not support cucumber 2 yet. github.com/email2vimalraj/CucumberExtentReporter/issues/75
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vikramaditya anand about 6 years@Grasshopper thanks
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