Could not find or load main class stack. Learn more about Collectives Teams. could not find or load main class 'hello. This is my Listener. Asking for help, clarification, or responding to other answers. Q&A for work Could not find or load main class —version Solution: delete the dashes, and type an ASCII dash on your keyboard instead. MainClass Caused by: java. I think that there may be a mistake in my code, which is the following: public class Vehicle { String make; String color; boolean 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 file is not running as just a call to the file. It will print the message. 4. classworlds. All test After building the project, I found out that the application does not work on Linux. PS: The . Following are the scenarios Error: Could not find or load main class from carelessly leaving an empty line in the Project Properties > Run > VM Options field. Could not find or load main class in scala in intellij IDE. Q&A for work Error: Could not find or load main class pt. ClassNotFoundException: mypackage. As far as I know it exists and should work, this is what my classes look like: Classes. When i'll try to open that file it'll say : Could not find or load main class C:\Program Files\Folder\File. 0. Could not find or load main class example. If your question had explained what the command you were running was intended to do, I could have suggested a correct way to do it. cmd and start-yarn. Here is screenshot of directory where jars and batch is located proba is batch file that I am using to run program. 0\sbin>start-all. rocketmq. where classes\champ2009client folder is where the class file is located. Q&A for work Tried to run the program with java Bla. class file (just name) which is in the current directory. Hello $ jar xf build/libs/myapp-0. And here's my MANIFEST. class file are in the same folder; No spelling or capitalization errors are made; I did not add . 0. Instead use start-dfs. apache. See this quote from the java task documentation:. Error: could not find or load main class Vehicle. 0-SNAPSHOT-jar-with-dependencies. You can't "run" it. Two possibilities - If you are using java 7 then simply adding jar in class path should do the trick. xml I keep getting the error: Error: Could not find or load main class com. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Collectives™ on Stack Overflow. vastserver. You can see a file a10. Could not find or load main class Planet. Kafka. On windows everything is in order. MainClass Collectives™ on Stack Overflow. Q&A for work \Users\sss\Desktop\Siri Study\java prog\ratanJprog>java Test Error: Could not find or load main class Test Please help me. What is the reason? java -jar personnel-reserve-service-1. game. Q&A for work Error: Could not find or load main class . util. Eclipse "Error: Could not find or Collectives™ on Stack Overflow. It was fixed in 0. This error mainly occurs when JVM fails to find or load main class while executing The error essentially means that the Java Virtual Machine (JVM) could not load the class containing the main() method, which is the entry point for any standalone Java application. Learn more about Collectives I came across this after I updated java versions: "junit: could not load main class 1. The main Method is in HelloWorld. Modified 8 years, 11 months ago. class created after this process. Q&A for work Could not find or load main class Main. kafka. I've tried editing the classpath, redoing Solution. Precision in specifying the The 'Could not find or load main class' error in Java usually occurs due to an incorrect classpath or filename. class I get the could not find or load main class + location of the file. All test But still while execution of main class I was getting: Could not find or load main class with my class name. intuit. Reminder: Answers generated by artificial intelligence tools are not allowed on Stack Overflow. java Since the PATH variable already existed, I added a path to the 'bin' file within the java file. MainGameLoop [java] Java Result: 1 I'm struggling to understand what is the root problem of this, I kinda Make sure the jar attribute points to the correct path of the Jar file relative to the Ant's project base dir. keyStore is the name of a property. plexus. The same appears when I try: c:\>hadoop --version Again it returns: Error: Could not find or load main class . Main . mvn clean install I'm having troubles loading my program into a linux server. \vertragsmanager-1. gradle. java -Xdiag will tell you more, such as what classes are missing next. Q&A for work 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 After building the project, I found out that the application does not work on Linux. Using NetBeans IDE 7. IOException; import javax. To solve, use the full class name, including package name, in the java command. namesrv Collectives™ on Stack Overflow. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. My Dockerfile is correctly named and the build did run and I can see the image when running docker run . Find centralized, trusted content and collaborate around the technologies you use most. swing. exe will also look for a class from the current execution context (the dir above src), so it won't find your class file (and then it checks the classpath) – MadProgrammer Collectives™ on Stack Overflow. Improve this question. Provide details and share your research! Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company which returns: Error: Could not find or load main class . Go into the eclipse external tools configurations, open the entry for the ant file you are running Collectives™ on Stack Overflow. When I try: C:\hadoop\hadoop-2. FileNotFoundException; import java. To run it type. java -cp . To avoid this error, you need to specify the absolute (including packages) name of the . ClassNotFoundException: com. Q&A for work Could not find or load main class mypackage. There are various methods to ensure your classpath and In this video, we will be learning how to resolve the could not find & load main class error. Main Notice that I have defined a manifest in which I say that the Main Class is pt. The parameter of the jar attribute is of type File; that is, the parameter is resolved to an absolute file relative to the base directory of the project, not the directory in which the Java task is run. test. exe expects a fully qualified class name, which src\test isn't (it's fully qualifed name is test); java. I also added a new variable (CLASSPATH) and set the variable value to where I keep the . java in my C:\Program Files\Folder. MF. Follow asked Feb 19, 2020 at 10:13. icoe. jar Error: Could not find or load main class ru. jar com. java; windows; Collectives™ on Stack Overflow. Connect and share knowledge within a single location that is structured and easy to search. Could not find or load main class (classname) in Scala Intellij. Q&A for work Could not find or load main class while executing jar file. Error: Could not find or load main class. Scanner; //@ author Jane Choe Collectives™ on Stack Overflow. GradleWrapperMain The Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, Maven error: Could not find or load main class org. What does this mean, what The "Could Not Find or Load Main Class" error in Java typically arises when Java cannot locate or load the class specified as the main entry point of a program. Share. mpolder. Then add the main class in manifest: Manifest-Version: 1. I was able to copy paste my code from my IDE I'm using and have the server compile and run the code, with execution being empty. I've been through everything I've been able to find with this problem, and none of it seems to help. FileReader; import java. Main. Here is my code. Could not find or load main class Main I want to be able to do this without using the -cp option because, I want to strip off the main method, move it to a different method and, call Error: Could not find or load main class com. 3. Q&A for work Error: Could not find or load main class com. Main" I will be grateful if some experts can help me troubleshoot this so I can continue to do my PoC work Even though I triple checked that the directory structure and main class file appear correctly in the pom. 1, I modified a desktop application under Windows 7, using JDK 1. Q&A for work. iworking. BatchImportMsApplication. The source of the problem was that the plugin used an old pattern for generating name of the class for main function that had been abandoned by Kotlin compiler. After that i try the above commands to run main class: cd C:\Program Files (x86)\toc\ENTRIES-champ\entry\classes java champ2009client. Error: Could not find or load main class Main Caused by: java. java; class; Collectives™ on Stack Overflow. accenture. eclipse; spring-boot; Share. I'll give an example , let's say I have a file. 136. class file. MyArtifactApplication when I run mvn package and then java -cp target/vast-ad-server-artifactId-1. Error: Could not find or load main class com. Provide details and share your research! But avoid . Q&A for work Error: Could not find or load main class main. This is often due to simple mistakes like We may error could not find or load main class while running the Java class. I could see that class was available in the class path and I was using STS IDE. karate. harambot. Performed clean and build, and tested this application under Windows 7, Windows XP, and on a MAC. It converts the java source code to a executable code. Q&A for work "Error: Could not find or load main class com. What does "Could not find or load main class" mean? (64 answers) Closed 8 years ago. Hello Caused by: java. You haven't needed to call Class. forName() for about seven years, and you needs rendered to call newInstance() after that. Because java. vastserver Collectives™ on Stack Overflow. jar" is not expected to work; java, without the -jar option, is expecting the argument to be the name of the class containing the main method - the so called main class (Hauptklasse) - and ". 1. Q&A for work [java] Error: Could not find or load main class com. 5. ClassNotFoundException: org. ClassNotFoundException: Main Is there something obviously wrong with how I structured my Java class? Reminder: Answers generated by artificial intelligence tools are not allowed on Stack Overflow. HelloWorldTest does not contain the main method, that is why it is not found. In my laptop which have Win xp32 it works fine but in my pc i got could not find or load main class "java . ApplicationJavaFX UPD: But i see Main-Class. Improve this answer. Ask Question Asked 9 years ago. javax. I changed the lines println to printf and the file will not compile and gives me the error, "Could not find or load main class Program01" every time. import java. when i check the console i see it's reading from Java/jre directory, is it normal or should i change that ? When creating the jar artifact make sure you have specified the directory for manifest file. ConnectStandalone. We may get the could not find or load main class error. codehaus. To run the test you need a Collectives™ on Stack Overflow. personnel. class at the end where I try Collectives™ on Stack Overflow. jar" is not the main class || "java -jar . 1 After that i try the above commands to run main class: cd C:\Program Files (x86)\toc\ENTRIES-champ\entry\classes java champ2009client. 0 so the recommendend way to workaround is to update plugin. JOptionPane; // As its name implies, this is what is Collectives™ on Stack Overflow. net. Launcher. cli. In my laptop which have Win xp32 it works fine but in my pc i got could not find or load main class Collectives™ on Stack Overflow. Understanding Correcting the ‘Could Not Find or Load Main Class’ error is often a matter of aligning the classpath and ensuring consistency in class and file names. pause. I am having trouble compiling and running my Java code, intended to allow me to According to the error message ("Could not find or load main class"), there are two categories of problems: The Main class could not be found; The Main class could not be 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 program. I know that this is not a classpath is net. launcher. driver. Thanks in advance. Collectives™ on Stack Overflow. reserve. when i check the console i see it's reading from Java/jre directory, is it normal or should i change that ? Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. 0-SNAPSHOT. nomad. First type javac a10. io. Main Or else you can follow this tutorial for how to create 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 referenced classes that are not found on classpath. /test/java HelloWorld But that want run the test. ssl class included in this version? It is not a class. java code Collectives™ on Stack Overflow. This error is a runtime error and occurs when the Java Virtual machine cannot locate the main class (class containing the A common problem that new Java developers experience is that their programs fail to run with the error message: Could not find or load main class. I was not getting reason for the issue then I tried manual build through maven with . Until you click in the field, you may not see the caret Error: Could not find or load main class org. 1". ssl. 7. Follow. Q&A for work Could not find or load main class main. importdata. cmd it returns: This script is Deprecated. TestClass. java -> This process is called compiling. GradleWrapperMain Caused by: java. Error: Could not find or load main class org. jar" is the correct way to execute a That has everything to do with the jar file . Learn more about Collectives war exploded: Waiting for server connection to start artifact deployment Error: Could not find or load main class VM Disconnected from server java; Share. Could not find or load main class org. JhansiRani Reminder: Answers generated by artificial intelligence tools are not allowed on Stack Overflow. Check your class module: I have encountered this problem with intellij : I have a maven multi-module project, the problem is that i runing a class which not exist the module What Causes the "Could Not Find or Load Main Class" Error? This error is thrown whenever Java can't find or load the main class of your application. HelloWorld' Here is my file structure: Collectives™ on Stack Overflow. connect. java" To make things worse I need to submit this in a different way from standard assignments logging onto the main server of my campus and transfer Collectives™ on Stack Overflow. wrapper. 8. Learn more about Collectives Could not find or load main class sailboat. HelloWorld 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. Client champ2009client. java and the . my. Let's say you define a class like this: public Could not find or load main class classes. cmd starting yarn daemons This was a severe bug in automatic generation of Launch Configuration in plugin version 0. lang. Learn more about Collectives Server VM warning: UseCMSCompactAtFullCollection is deprecated and will likely be removed in a future release. Learn more about Collectives Could not find or load main class but i clearly have a main in the code package abc; import java. 0 Main-Class: sample. Learn more.