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Editorial Team
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Asked: 2026-05-25T17:12:16+00:00

I am trying to compile and execute a java program which uses JTidy. I’ve

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I am trying to compile and execute a java program which uses JTidy. I’ve managed to compile the program using the following command:

javac -classpath jtidy-r938.jar @sourcefile

This seems to work just fine. However, when I try to run the program with the following command (Top is the name of the class containing the main portion of the program):

java -classpath jtidy-r938.jar Top

I get this error:

Exception in thread "main" java.lang.NoClassDefFoundError: Top
Caused by: java.lang.ClassNotFoundException: Top
...
Could not find the main class: Top. Program will exit.

This is mostly likely a very dumb question with a simple solution, but it is driving me insane. Please help!!

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1 Answer

  1. Editorial Team

    You are removing the path “.” (current directory) from the classpath when you set it.

    Try java -classpath .;jtidy-r938.jar Top.

    That way it should be able to find your class.

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