Home > Could Not > Java Error Message Could Not Find Or Load Main Class

Java Error Message Could Not Find Or Load Main Class

Contents

With regards, Saptaparna Dustin Schreader Ranch Hand Posts: 102 posted 4 years ago Sorry, I found the problem I forgot to write out the entire thing: java -cp . learnAsABeginner 10.457 προβολές 8:03 java could not find the main class - java main class | java problems - Διάρκεια: 2:01. Having any doubt? If the classpath was set by another application, edit it by adding the . http://rsmasters.net/could-not/java-error-could-not-find-or-load-the-main-class.html

I invoked java like this: java -cp ../third-party-library.jar com.my.package.MyClass; this does not work, instead it is necessary to add the local folder to the class path as well (separated by :, Please comment in below section. For now, you just remember that there is an environment variable called CLASSPATH which includes directories where Java looks for all class files and if it doesn't find your main class Runtime Problems Error Messages on Microsoft Windows Systems Exception in thread "main" java.lang.NoClassDefFoundError: HelloWorldApp If you receive this error, java cannot find your bytecode file, HelloWorldApp.class.

Could Not Find Or Load Main Class Java Command Line

i set PATH variable as C:\Program Files\Java\jdk1.7.0\bin CLASSPATH variable as C:\Program Files\Java\jdk1.7.0\lib JAVA_HOME as C:\Program Files\Java\jdk1.7.0 i am unable to run even programs which i executed earlier... I completely forgot about the "right click" and "Run As" Java Application! Lots of people, and some books, tell you about the importance of a system CLASSPATH, but it usually does more harm than good, and that advice is mistaken. share|improve this answer answered Mar 12 '14 at 0:37 KawaiKx 2,02363046 Yes.

To avoid this extra typing, consult the section Updating the PATH variable in the JDK 8 installation instructions. Class names, 'HelloWorldApp', are only accepted if annotation processing is explicitly requested If Another common cause of this error is invoking java command with .class file. C:\Users\WINDOWS 8\workspace\Demo\target\classes>java dto.HelloHP My first program in Java, HelloWorld !! Could Not Find Or Load Main Class Netbeans like these so many places we use this.

The solution is exactly same, every bit of discussion applies to that case as well. or any of its super classes / interfaces. –Stephen C Sep 17 '15 at 4:30 | show 3 more comments up vote 3 down vote In the instance you have: Could Edited by JustMike, 29 October 2013 - 04:05 PM. By the way, there are more to it e.g.

Example - rather than using MyClass, go one directory up and use myPackage.MyClass Another scenario when Error: Could not find or load main class may occur > Using java myPackage.MyClass.class in Error: Could Not Find Or Load Main Class Scala for current directory at its beginning. disregard the post. Would you like to answer one of these unanswered questions instead?

Could Not Find Or Load Main Class Eclipse

If you need to write -cp . Win a copy of Penetration Testing Basics this week in the Security forum! Could Not Find Or Load Main Class Java Command Line You can also add your application to the exception site list, which is managed in the Security tab of the Java Control Panel. « Previous • Trail • Next » Your Could Not Find Or Load Main Class Jar Posted 26 October 2013 - 04:07 PM And the capitalization is exact inside the .java file?

Error Messages on UNIX Systems Exception in thread "main" java.lang.NoClassDefFoundError: HelloWorldApp If you receive this error, java cannot find your bytecode file, HelloWorldApp.class. check over here convert Array to Set and Set to array in Java How to convert ArrayList to HashSet and Set to ... Same thing applies if you are running your program using -cp or -classpath option. 2) If you are running Java program from the directory, your .class file is and you don't John Jai Rancher Posts: 1776 posted 5 years ago Okay the output tells java exe is located fine. Could Not Find Or Load Main Class Java Linux

For MAC the classpath seperator is : not ; . Simpson 231219 If you used an IDE or a Java build tool you most likely would not get into this problem The compiler would (or at least ... COLLECTION - Top 100 interview questions and answers in java for fresher and experienced in detail - Set-1 > Q1- Q50 You are here : Home / Core Java Tutorials / http://rsmasters.net/could-not/java-error-could-not-find-or-load-main-class-helloworld.html ProgrammingKnowledge 154.147 προβολές 8:56 Mineshafter:fix minecraft Error: Could not find or load main class info.mineshafter.GameStarter - Διάρκεια: 1:35.

John Jai Rancher Posts: 1776 posted 5 years ago You are welcome cp is an option to specify the class path - the path where to find the class files. Error Could Not Find Or Load Main Class Spring Boot Resolve Error: Could not find or load main class What is difference between ClassNotFoundException ... Have a nice time.See you again.

You could try installing the Netbeans IDE in the hope that it might detect and correct whatever is wrong.It could be a problem with something like the classpath, which I don't

  • Precisely.
  • Apparently, I ran it as: >java dto\Helloinstead of>java dto.Hello May 29, 2015 at 3:39 AM Javier Sánchez said...
  • For a quick test of some code, I did: javac TestCode.java followed by java TestCode –Someone Somewhere Jan 3 at 17:12 Yes, that (sadly) was my problem. –PM 77-1
  • At the prompt you would type the following command and press Return: /usr/local/jdk1.8.0/javac HelloWorldApp.java Note: If you choose this option, each time you compile or run a program, you'll have to
  • Main class could not be loaded when the class cannot be initiated, typically the main class extends another class and that class does not exist in the provided classpath.
  • You just saved me from banging my head against the wall!
  • Now my compile works!
  • Coming back to the problem in hand, if you are a beginner in Java, who are able to run the program from Eclipse but getting "Error: Could not find or load

And why? There were two blank fields in the main tab of the run configurations panel. Thanks anyway. Could Not Find Or Load Main Class Intellij It ran in NetBeans but not in command line.

Sagar S 5.920 προβολές 2:01 How to install Java JDK on Windows 10 ( with JAVA_HOME ) - Διάρκεια: 8:56. Here's an error caused by omitting a semicolon (;) at the end of a statement: testing.java:14: `;' expected. If you enter ls at the prompt, you should see your .java and .class files. weblink So let's correct this error and try to run the same command from the same location but this time with fully qualified name: C:\Users\WINDOWS 8\workspace\Demo\target\classes\dto>java dto.HelloHP Error: Could not find or

Using assertTrue(boolean) and assertFalse(boolean)... This Question is about Java programs, not ordinary executables. How to check string contains at least one alphabet... We need to supply the class name containing the main method to the interpreter.

Type "cd (folder name)" in the stored drive and compile it. I am trying to run a java program via notepad and i am using window 7 32 bit. if you have specified the class name correctly, the next thing to check is that you have specified the classpath correctly: Read the three documents linked above. (Yes ... This concludes this test of our sanity -- we will now return to our regular programming.