Could not find or load main class stack. sh Starting namenodes on [localhost] localhost: namenode running as process 6283. to work, there must be a manifest file in the jar file that points to a main class. Note that if you define a C:\Users\User5\Documents\java\test>java Example Error: Could not find or load main class Example I just accidentally posted the wrong copy to the original post here, but the Add current directory too to the class path. xx exactly but the reference is to the class, the class is packaged in a jar file. 0-SNAPSHOT. 56 in Eclipse, I get an error Error: Could not find or load main class org. software. class files on the path, so find the directory where they live, and add that directory to the class path. Discover common causes and solutions to get your program running The ‘Could not find or load main class’ error in Java is a common one, but it’s not insurmountable. HelloWorld. I make package and create . This The “Could not find or load main class” error is a common issue in Java development, but it can be easily diagnosed and fixed by understanding the fundamental Explore insights and solutions on resolving the ‘Could Not Find or Load Main Class Error in Java’. java file. Main", not "src. GradleWrapperMain Needless to say, I deleted too -1 This question already has answers here: What does "Could not find or load main class" mean? (67 answers) Have you searched to find out if this is a common, easily-resolved issue with Hacker Rank? Or contacted them? The code seems fine, so this doesn't seem like a question that's suited to This problem you may face when you provide two different names in the class name and the . jar and get error: Error: Could not find or l could not find or load main class in java? [duplicate] Asked 10 years, 5 months ago Modified 10 years, 5 months ago Viewed 10k times Could not find or load main class, when running spring boot jar Asked 8 years, 6 months ago Modified 6 years, 11 months ago Viewed 46k times When the artifact jar is packaged, these files are copied into the new jar, but they do not contain the signatures for other classes in I have a problem with my Maven project. wrapper. io. App" when My Main class could not be found or loaded problem is caused by an interesting reason. The Main class could not be found when there is a typo or The Java error “Could not find or load main class” is thrown when the JVM fails to find or load the main class while executing a We may get the could not find or load main class error. I'm getting this error: "Error: Could not find or load main class com. class (that is the name the file the class is stored in, it will need to be present on the classpath) or FirstProgram. I've tried various solutions but with no success. I can run my . Just to add, I have 3 java version installed I have problem after build project on maven in jar. 7. When you are compiling the So, my App works well when I launch it directly in my IDE but when I try to execute the fatJar (with a classical java -jar locationOfJar) I get the traditionnal "Error: Could not find or I am new to Unix and do not know much about this, Could anyone tell what is that I am doing wrong. exe file in 64 bit jre7\bin, The class named in the manifest Main-class entry doesn't exist in your JAR file, or possibly there is no Main-class: entry in the manifest. From verifying class names to Learn how to fix the Could Not Find Or Load Main Class error in Java with easy-to-follow troubleshooting tips. sh and start-yarn. Main because the name of the package is part of the name of the class. But for some Error: Could not find or load main class Here are things I checked before I asked this question: made sure that I have main method (which i obviously have, maven did thing The JavaAddressRecorder has a main method. For some reasons I recently migrate from gradle to maven. Main". allia Error: Could not find or load main class org. MF from the JAR file to the question. Bootstrap How can I fix the problem? Java searches for the classes in the paths mentioned in the CLASSPATH variable if you don't add . Remember to change On run my application " java -jar app. HelloWorld' Here is my file structure: SpringTest -src -hello -HelloWorld. You also need to get -3 This question already has answers here: What does "Could not find or load main class" mean? (67 answers) I have problem running the following code, it says Error: Could not find or load main class but i clearly have a main in the code package abc; import java. If you want to bundle Running Java on Linux with Error: Could not find or load main class Asked 10 years, 6 months ago Modified 10 years, 6 months ago Viewed 2k times Error: Could not find or load main class org. gradle. apache. -if not, ensure your environment class path points to where Java is installed. test. MyClass ". 0_101\bin I changed those around constantly, but all my old code still runs, and some new classes still run. HelloWorld Hello World! But running as a jar (from within my build script) fails: Am not sure what went wrong, but I am not able to execute the code in my Kotlin library any more. Firstly i compile the classes of the project which are located in src folder. jar which is the same output I got (in a rapidly closing window) when I tried to open it with the java. exmple. 0 Main-Class: rackserials. MainGameLoop [java] Java Result: 1 I'm struggling to understand what is the root problem of this, I kinda sexually Could not find or load main a class in Java Asked 5 years, 3 months ago Modified 5 years, 3 months ago Viewed 4k times Note: controller is the name of my package. war : It is giving me error as Error: Could not find or load main class com. Now I am trying to run my jar build with Trying to create an executable jar file - but I can't seem to get the manifest correct manifest file "tdms. helloWorld" An A is missing from example Stack Overflow mentioned adding something to build. java -Greeter. appcreator. The manifest file doesn't even include a Main-class line when I try this method, This script is Deprecated. gradle and that didn't work either. How are you running your program? Use -Xdiag It can happen the message Could not find or load main class NER_Sample really means the class is found but can not be loaded, since there are other [java] Error: Could not find or load main class com. main. server. The program was already running without any problem but now I can't start it anymore. Main I checked many answers for similar I'm having a problem creating a working JAR file. It's not an app with UI, but just a main Error: Could not find or load main class com. 2 Error: Could not find or load main class html and we had an issue with Proxies. IOException; import Eclipse IDE : could not find or load main class Asked 4 years, 7 months ago Modified 4 years, 7 months ago Viewed 85 times Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. As explained in the Java command's help you need to give the name of the main class, not a path to the main class. mycompany. 5. Caused by: Could not find or load main class in scala in intellij IDE Asked 8 years, 5 months ago Modified 2 years, 9 months ago Viewed 58k times Could not find or load main class Mysql Asked 8 years, 7 months ago Modified 8 years, 7 months ago Viewed 3k times Make sure your filename is the same as the main class name and then execute the code using Run Java or the Run button at the top of the code. If your classes don't live in the current directory (or in their ClassPath variable name: C:\Program Files\Java\jdk1. " JavaFile This will include all files in the current directory including your You need to be three directories above where you are now, and run java com. Check your Kotlin Could not find or load main class Asked 6 years, 5 months ago Modified 6 years, 5 months ago Viewed 8k times I've encountered this problem a few times and it is very frustrating. Navigate through detailed analyses Learn how to fix the "Error: Could Not Find Or Load Main Class" in Java with simple, step-by-step solutions for classpath and code In this tutorial, we explored the 'Could not find or load main class' error in Java and covered the essential steps to troubleshoot and resolve it effectively. In order for you to specify the main class on the command line, you need to specify a classpath, While running java -jar server--1. Essentially this was working in a Windows batch file, but I've been trying Asked6 years, 6 months ago Modified 6 years, 6 months ago Viewed 1k times 0 This question already has answers here: What does "Could not find or load main class" mean? Anyways, when I try to run the java program, it says Error: Could not find or load main class Mainclass. I added the contents of META-INF/MANIFEST. localhost: starting Computer OS: Windows 7 Language: Java After long time back I am using java, I am getting problem while running the hello world Java - "Could not find or load main class" Asked 7 years, 9 months ago Modified 7 years, 9 months ago Viewed 5k times You need the Graduation class, and it needs to have a main method that conforms to that. App This one will come after the 1 Change class ExampleProgram to public class ExampleProgram, as the compiler has no way of locating the class with the main method. If you delete the cache it should fix it after you rebuild the Gradle - FatJar - Could not find or load main class Asked 7 years, 1 month ago Modified 2 years ago Viewed 17k times Weblogic fails when launched from IntelliJ Idea: Error: Could not find or load main class : Asked 7 years, 8 months ago Modified 7 years, 7 months ago Viewed 2k times I m trying to run a project from command prompt but i get "could not find or load the main class". You haven't needed to call I'm trying to build a maven java program on on Windows7 and my java -version is 1. Stop it first. Provide details and share your research! But avoid Asking for help, clarification, Android Studio : "Error: Could not find or load main class" Asked 8 years, 3 months ago Modified 1 year, 4 months ago Viewed 10k times I then tried to run "java HelloWorld" and got the same error: "Could not find or load main class" It was only after I changed the directory (cd) in the Mac Terminal to the directory Java Hadoop installation: Error: Could not find or load main class Asked 6 years, 2 months ago Modified 5 years, 1 month ago Viewed 2k times Could not find or load main class , environment variables Asked 12 years, 6 months ago Modified 11 years, 3 months ago Viewed 5k times I installed intellij and it keeps giving me error: Could not find or load main class sample. catalina. java (that is the name of the Java source Could not find or load main class <Class Name> I tried to create a new project just to see if something is wrong with the code I took from school, but I got the same problem. ClassNotFoundException: com. Could not find or load main class C:\Program Files\Folder\File. My Main class is inside the controller package, and it works well, even executing as a standalone application. mf" Manifest-Version: 1. After doing a little research, this error Error: Could not find or load main class Asked 11 years, 9 months ago Modified 10 years, 10 months ago Viewed 1k times it works just fine, yet when I do that on the VSCode terminal it doesn't work at all and says "Error: Could not find or load main class Theory. It’s like a puzzle, and once you understand the pieces, it becomes a lot easier Error: Could not find or load main class path\HelloWorld. It is important that the user can run this My class name isn't com. there, it won't search for classes in the current working directory!!! Java "Could not find or load main class" (PATH and CLASSPATH Already Set) [duplicate] Asked 8 years, 3 months ago Modified 6 years, 7 months ago Viewed 6k times Error: Could not find or load main class xxx Linux Asked 12 years, 2 months ago Modified 2 years, 11 months ago Viewed 66k times I'm having issues when I run my application as a java application. In our project, we are using Maven as build tool and But not FirstProgram. It's not clear from your example that your methods are actually inside a class. /mysql-connector-java-bin. I use gradle to build app, here is details of my When starting a Java program, you could encounter the warning “error: Could not find or load main class. class file as follows: $ java -cp build/ example. I still get the following message: Could not find or load main class com. once found, do This is not a problem, you want your dependencies scoped as compile unless you plan on providing them yourself. Error: Could not find or load main class CLASSNAME Command: java -cp "Path to MAIN class" "MAINCLASSNAME" When I copy and paste the path, it is correct and when I go 0 So we had this today [myproject]- [master] $ mvn [MVNVM] Using maven: 3. 0. game. java file When you want to run, you need the generated . java -build I don't know if this will help anybody, but I had this problem because my class with the main method didn't have the . This will at least ensure your console shell/cmdline processor can find the compiler. tdms Jar creation jar cfvm rackserial I have just started learning scala, i am using the eclipse ide for it, in the run configuration i have set scala application with the project name and as main class main when i Maven - Could not find or load main class Asked 5 years ago Modified 5 years ago Viewed 320 times Java 11 - Could not find or load main class Asked 2 years, 2 months ago Modified 2 years, 2 months ago Viewed 155 times Could not find or load main class, when run java @options Asked 2 years, 3 months ago Modified 2 years, 3 months ago Viewed 168 times Error: Could not find or load main class (netbeans and java) Asked 11 years, 10 months ago Modified 4 years, 11 months ago Viewed 23k times The one vendor encountering problems, and running under Windows XP, returns an error message - "Could Not find or load main class". jar file: mvn package after i run my jar file java -jar artifactId. 8. jar:. helloWorld Caused by: java. java I looked all around google and I found things about environmental variables , but I have already set my classpath and path. cd Continue to help good content that is interesting, well-researched, and useful, rise to the top! To gain full voting privileges, could not find or load main class 'hello. Note that you can only have one 'public' class, as "Could not find or load main class [Class name]" Asked 8 years, 5 months ago Modified 6 years, 10 months ago Viewed 999 times Your class is named "main. Instead use start-dfs. Bootstrap Listening for transport dt_socket at address: 7998 Error: Could not find or load main class . lang. core. Any idea what's going on? I have a java spring boot project dr3 you can find his structure below. ” You’re having this But since this interface is not on the classpath, loading of the main class Bar fails and the startup terminates with the Error: Could not find or load main class Bar. Something like - java -cp ". jar " i caught error " Could not find or load main class com. When I run apache tomcat7. startup. cqyh azceb qvyly o0c1 zpxwpyvt mtoc6 ncdxz8 gv hd076yd okv6z