Home/ Questions/Error: error: could not find or load main class org.gradle.wrapper.gradlewrappermain – quick tips.
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Jovi Walsh
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Asked: 2022-05-18T19:05:42+00:00 In:

Error: error: could not find or load main class org.gradle.wrapper.gradlewrappermain – quick tips.

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I get an error

usr$ ./gradlew tasks
 Error: Could not find or load main class org.gradle.wrapper.GradleWrapperMain

When trying to execution of the command ./gradlew. How to fix the error: could not find or load main class org.gradle.wrapper.gradlewrappermain error? Please give me some advice.

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2 Answers

  1. Best Answer
    Expert

    The cause: The error: could not find or load main class org.gradle.wrapper.gradlewrappermain indicates that your gradle wrapper is damaged, broken, or missing.

    Solution: Restoring gradle wrapper is what should be done for error handling

    -With old version, put a wrapper task to build.gradle

    task wrapper(type: Wrapper) { 
   gradleVersion = '4.1' 
}

    -It is easier with new version of gradle, run:

    gradle wrapper
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  2. @RaGe may also have an answer. This is the scenario I encountered where a global Git ignore was running that was disregarding .jar files. The gradle wrapper was not being committed. After an unsuccessful /var/lib/jenkins/my_project/gradlew build, I started getting this error message on my Jenkins server. I had to force the add of the jar, and then commit: 

    git add -f gradle/wrapper/gradle-wrapper.jar
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