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What is the solution for the error message "Error: Could not find or load main class com.mkyong.core.App"?

asked 2023-05-26 10:18:59 +0000

woof gravatar image

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answered 2023-05-26 10:19:02 +0000

lalupa gravatar image

There are a few possible solutions for this error message:

  1. Check the classpath: Make sure that the classpath is set correctly and includes the path to the directory or JAR file that contains the main class. You can check the classpath by running the "echo %CLASSPATH%" command in Windows or the "echo $CLASSPATH" command in Linux/Unix.

  2. Verify the main class name: Make sure that you have specified the correct name of the main class in your command or configuration file. Check for typos and make sure that the case of the letters matches exactly.

  3. Build the project again: If you have made any changes to the code or dependencies, rebuild the project and try running it again.

  4. Check for missing dependencies: If your main class depends on other classes, make sure that those dependencies are included in your classpath. Check for missing JAR files or directory paths.

  5. Verify the Java version: Make sure that you are using the correct version of Java that is required for the project. You can check the Java version by running the "java -version" command in the terminal.

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Asked: 2023-05-26 10:18:59 +0000

Seen: 11 times

Last updated: May 26 '23