Incorrect directory path on the classpath.Missing dependencies from the classpath.Incorrectly specified classpath of the application. could not find or load main class not find or load main class to resolve could not find or load main.The file path of the class not matching the fully qualified name.Most of the time you just need to either correct your CLASSPATH environment variable or run your program with java -cp or -classpath option. After adding jdk-8, remove the jdk-13 from Preferences. There are many ways Error: Could not find or load main class HelloWorld manifests itself, but if you know the basics of Java Classpath, you can easily sort out the problem. Right click on your Project in the project explorer Click on properties Click on Run Make sure your Main Class is the one you want to be the entry point. The class being declared in the incorrect package. Go to Window -> Preferences -> Add -> next and find your jvm folder (e.g.This can happen due to various reasons, such as: The primary reason behind why the ‘could not find or load main class ’ is encountered is because JVM is unable to locate where your. The "Could not find or load main class" error occurs when the JVM fails to load the main class. Install the Java SDK to identify and fix these errors What Causes Error: Could not find or load main class It usually occurs when executing a Java program from the command line. The message ‘Could not find or load main class’ means that the first step of the Java engine fetching the class for execution has failed. If you are not able to solve the problem by using above steps then please mention in the comments.The Java “Could not find or load main class” error is thrown when the JVM fails to find or load the main class while executing a program. Since jdk 1.7 we started receiving this new error. If you are using java 1.5 or 1.6, instead of getting error : could not find or load main class you will get Exception in thread "main" : HelloWorld. Error : Could not find or load main class Right-click on your project in the project explorer Select Properties Select Run Make sure your main class is the one you want to be executed first when. "Could not find or load main class : XXX" where the class name is XXX occurs if the CLASSPATH environment variable where java looks for all class files, does not found the class. Read Also: Difference between PATH and CLASSPATH But when I try to double-click the jar file, I get this kind of error: Error: Could not find or load main class W:pathtoprojectdistjarname.jar. If you are not familiar with CLASSPATH then please check this out what is CLASSPATH and how it differs from PATH. Error: Could not find or load main class Im using java JDK version 1.7 on Linux, my pom. To better understand the error you should be familiar with CLASSPATH. Error: Could not find or load main class HelloWorld comes when you are trying to run your Java program using java command with the main class as HelloWorld. As the name suggest,this error occurs when java is not able to find the class you are trying to execute. Today we will look into another common problem for java beginners,i.e how to fix "error: could not find or load main class" error in java. Click the button Add JAR/Folder and browse to the lib folder within the ImageGear for Java installation directory. Netbeans 12.3: Could not find or load main class BoostMyTool 22. The only way toįamiliarize yourself about the most common errors by using active javaĭevelopment. If you delete the cache it should fix it after you rebuild the project. You can not find these kind of errors in java books. I have already shared the common problem java beginners face i.e illegal start of expression error.
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