All Questions
Tagged with program-entry-point jar
68 questions
0
votes
1
answer
111
views
How to fix error and what causes: Error: Main method is not static in class
I am getting this error:
Error: Main method is not static in class oracle.Execution$, please define the main method as:
public static void main(String[] args)
When I run the command:
java -jar ...
- 169
0
votes
0
answers
21
views
i try to run jar file of game but it is not running showin jni erro has occured
enter image description here
i created jar file of snake game. in eclipse snake game is running properly but after creating jar file it s not running as expected
i am expecting it should run after ...
0
votes
1
answer
311
views
How do I specify the entry point location in a Manifest-file to run a jar-file?
I am trying to run a program I've downloaded ( https://github.com/ottiram/MMAX2 ) which comes as a jar-file on Ubuntu 22.04. When I do, it returns: "no main manifest attribute, in MMAX2.jar"....
0
votes
2
answers
4k
views
Can't run .jar file created with IntelliJ / Gradle. "no main manifest attribute, in app.jar"
I've followed the advice of other solutions. Like this one.
And this one.
I've also tried the solution belonging to this
$ java -cp app.jar main.Main
I get an error that would not normally occur when ...
0
votes
2
answers
482
views
Java Jar file main class run when runs from command line, but not from Windows batch file
I'm re-using a standalone Swing-based Java class which backs up and restores mysql databases.
I've tested running it from a Windows batch file (.bat) on my dev system, and it works there.
But, if I ...
- 36.6k
0
votes
1
answer
1k
views
Null Pointer Exception using Spring Boot service as a dependency in a batch job
I'm re-using an old, standalone AWT-based Java class which backs up and restores mysql databases.
One thing it needs to do is decrypt a password that it reads from a properties file.
The logic for ...
- 36.6k
5
votes
1
answer
2k
views
Cannot run JAR file due to cannot load main class error
I built my project and generated a JAR file using Gradle build framework. However, the output jar file fails to load the main methods from the main class (miner.Tracker) in this case.
As I mentioned, ...
- 419
2
votes
2
answers
9k
views
Java JAR: Could not find or load main class
I know this question has been asked a lot, but I have tried a few suggestions and am still getting this error.
I am running the jar as follows:
java -jar MyJar-1.0.jar com.me.ldap.ActiveMain,
where my ...
- 1,357
1
vote
0
answers
557
views
Fails to run a Jar file on macOS using Zulu JRE (8.271)
java -jar jarfile works perfectly on Windows/Ubuntu, yet on macOS, I keep getting "Could not find or load main class."
Not only that, when I run the jar using Oracle's JRE - it works (the ...
- 11
0
votes
1
answer
193
views
GMavenPlus: Groovy to JAR - Failed to find or load main class. Main class is present, manifest file appears valid
I've done a successfull mvn clean install on the project I built and the structure appears correct, all classes included and manifest is under META-INF including class-paths and main-class. Not sure ...
- 87
2
votes
2
answers
446
views
cmake jar package cannot execute: no main manifest attribute
I've got a very simple cmake-java project from the internet as below:
cat HelloWorld.java
public class HelloWorld {
public static void main(String[] args) {
System.out.println("Hello, ...
- 10.5k
2
votes
2
answers
736
views
Bazel build java demo: build ok but fail to run
I'm new to bazel and have this demo project:
(1)mkdir demo-project
(2)cd demo-project
(3)mkdir -p src/main/java/com/demo
(4)vi src/main/java/com/demo/DemoRunner.java
package com.demo;
public ...
- 10.5k
1
vote
1
answer
285
views
CSS not loading in Spring Boot when running from jar
I built a fat jar and when running it from a command line, no CSS loads.
java -jar -Dserver.port=9000 target/1or2clicks-0.0.1-SNAPSHOT.jar
If instead, I simply run the psvm in my IDE, it works fine. ...
- 1,462
1
vote
2
answers
3k
views
IntelliJ Maven and JavaFX
I am new to IntelliJ and Maven and have, as seems customary by now, encountered a problem. I have made a Maven project within IntelliJ which runs well from within IntelliJ. When I do a clean install ...
- 973
1
vote
0
answers
18
views
library that contains different files which more than one of them has main() method
I have added a jar file to my java project that contains different files which more than one of them has main() method.i want to know which main() runs first when i run the project.
- 147
0
votes
2
answers
3k
views
Run a testNG test suite with a jar / no runnable method
I need your help !
At work I'll need to automate tests to test an entire application. Point is, I am beginner at Java and at automation.
I am trying different tutorial and it works good. But now, I ...
- 7
0
votes
1
answer
437
views
No main manifest attribute, jar file, Applet
When trying to open my exported project (jar file) I get an error message
No main manifest attribute, in file.jar.
My project is basically a simple class extended by Applet, but the file won't open....
0
votes
0
answers
53
views
Run soap tests from Main class
I have maven project, which contains xml description of soap-tests (they generated from SoapUI Pro) in the root directory. I'm trying to create executable .jar file with Main class. But I don't know ...
5
votes
2
answers
9k
views
IntelliJ build wrong JAR: Could not find or load main class
I have a simple example
public class FileSystemReadFile {
public static void main(String[] args) throws IOException {
System.out.println("Reading the file" + args[0]);
}
}
which is ...
- 452
0
votes
0
answers
70
views
Parameter in the main Method in Java
When i run a .JAR ( for example) by the cmd , i can pass the following code : Arg1 Arg2 Arg3 , that will be used by the String[] args parameter.
As I can pass any number of strings in this way, then ...
- 311
0
votes
1
answer
304
views
No main manifest attribute after creating jar, Cmd Windows
I want to create a jar from command line in Windows with this script:
cd Mongo-SQL/src
javac -cp "..\\lib\\*;..\\lib\\hapi-lib\\*" *.java FHIRTranslate\*.java
jar -cvfm ..\\lib\\runSQLSave.jar ..\\...
- 2,256
0
votes
1
answer
279
views
Adding Class-Path (sqljdbc4) to manifest file makes JAR unable to find/load main class Main
I've been having some strange problems with JAR creation from my project lately. I've been writing a simple Swing-application, a database frontend, but have not been able to build it as a jar through ...
- 11
1
vote
1
answer
724
views
Error: Could not find or load main class Main when trying to run JAR. Manifest and classpath look fine, still doesn't work?
I've been writing a small system for my job in IntelliJ, building Jars with dependencies as I went along, to check if I could build it in a way that would let it run outside IntelliJ. One day, the Jar ...
- 11
1
vote
0
answers
131
views
Cannot create JAR file-Main method not found
I'm trying to create a JAR of the given class.
I am using a tool called JARBuilder as Eclipse was of no help in creating JAR files.
When I try to create the JAR, it says that main method could be ...
- 139
-2
votes
2
answers
2k
views
Java main method not recognized in jar file, but compiles fine
The first thing I'd like to point out is that I don't use IDEs. I use Notepad++ which has minimal assistance and I compile and run all my code from bash or DOS. In this case, I'm attempting to run a ...
- 37
1
vote
1
answer
123
views
Jar with multiple main
In one package I have two different classes Client.java and Server.java
I want to make this package jar, i mean executable.
First I want the Server class to run and after 2-3 seconds I want Client ...
- 1,169
0
votes
0
answers
98
views
No main mainfest attribute in jar file
Hi I have downloaded one browser mob jar file which I have to load for my test cases
I run this by following command:
java -jar browsermob-rest-2.1.0-beta-2-sources.jar
But here it gives me an error ...
- 139
0
votes
2
answers
224
views
How can I run a java program from a java program? [duplicate]
I would like to write a java program that can run an another java programs Main class in runtime. How can I do that?
5
votes
1
answer
10k
views
'No main manifest attribute' while running JAR file built with Gradle
I wrote a small Java application using Gradle to build it. The app comes from this tutorial and contains 2 classes: HelloWorld (the main class) and Greeter. The build.gradle file contains 2 sections (...
- 99
-1
votes
2
answers
5k
views
How to handle empty parameters in a main method java call
I would like to have a dynamic way of passing in parameters to a java main method call which is done via the Command Line(cmd) to a Runnable JAR file. At the moment my main() method takes 6 parameters ...
- 247
1
vote
1
answer
277
views
From a jar file, calling the main method from a class that implements a class from outside the jar
Suppose I have a jar file called 'MyJar.jar' with a class defined like this:
import SomeInterface;
public class MyClass implements SomeInterface {
static public void main ( String args[] ) {
...
23
votes
2
answers
40k
views
Create Jar Library Without a Main Class
Today I have just created a Java Library. I created it using a Main class, since IntelliJ IDEA 14 asked me to add one. However I want it to be a normal library, without any Main classes. Is it ...
- 1,083
53
votes
17
answers
187k
views
Maven Error: Could not find or load main class
I'm using a Java Maven program and I don't know what to enter as the <mainClass>. I've tried all kinds of things based off of numerous stackoverflow questions, but they are not solving the ...
- 1,549
1
vote
1
answer
2k
views
Setting a path for the main-class in the manifest file
Say for example my manifest.txt file is saved in a parent directory of my bin directory where by classes are saved. Now, I want to be able to refer to my main-class in the manifest header so that I ...
- 400
3
votes
0
answers
1k
views
Class is present in JAR, but still "Could not find or load main class"
I downloaded and installed UMD's FindBugs 3.0 in /usr/local/share/findbugs-3.0:
$ ls /usr/local/share/findbugs-3.0/
FindBugs.jar
I have a little script to run it:
$ cat ./findbugs
FINDBUGS_HOME=/...
- 102k
-2
votes
1
answer
39
views
Program runs in eclipse, but not in .jar form
I ran it in cmd and it said no main manifest attribute in, JGame2.jar
how do i show it where the main is?? it works fine in eclipse.
- 19
0
votes
2
answers
480
views
Run program java with attributes from command line [duplicate]
I generated (in eclipse) test.jar file from a simple code:
package testJawka;
public class VarArgsDemo {
public static void main(String[] args) {
if (args.equals("1")){
System....
- 27
0
votes
0
answers
119
views
Running a jar file(not a runnable jar)
I just downloaded a mobile app jar from mobile9.com,I tried running it but then found out it wasnt a runnable jar.
So I would like to know is there a way to find out where the main is located in the ....
- 1,743
0
votes
1
answer
824
views
Running jar file and Calling a method from main method in java
I have made a JFrame application in which i have made a method and added a button with button click event.Now i have called this method from button click as well as from main method .As per my need i ...
- 483
1
vote
1
answer
106
views
How to manifest Main using Eclipse?
I tried to export a runnable Jar, but it did not execute. The problem was could not find main method for given launch configuration However I did specify the Main class in the launch configuration. i ...
- 607
-1
votes
1
answer
80
views
Main has no effect on JAR
I have the following code in main class it works if i run the program through netbeans. But when i open the jar made by netbeans it seems as if i had not written anything in main except the new ...
- 3,083
0
votes
1
answer
78
views
Find Main Class of referenced jar
A JavaFX application (jar) is referenced as an dependency in my project.
The "Main Class" in this jar contains the main method and the start method, to run this application.
Now i want to find this "...
- 531
1
vote
6
answers
680
views
Doesn't find my main class in a jar
I'm developing a program with three classes and also includes some external jar archives and classes. When I run it in Eclipse it works properly, but I need to try with some other programs, so I need ...
- 29
0
votes
4
answers
2k
views
Call a method of running jar from batch
i have a Java application, which's main-function is called from a batch file witch 2 parameters.
Now i want to pass another pair of parameters to the same app and not open another instance.
Is it ...
- 310
3
votes
2
answers
12k
views
"Error: Could not find or load main class com.mycompany.App" when trying to execute Maven-generated Jar
I'm trying to build a maven java program on on Windows7 and my java -version is 1.7. I'm getting this error:
"Error: Could not find or load main class com.mycompany.App" when trying to execute ...
- 902
0
votes
2
answers
2k
views
How to create a jar file with an Ant script to launch the program [duplicate]
I've currently got an eclipse project with two main methods and was wondering if it's possible to create a jar file which runs an Apache Ant script when the jar file is executed. I've provided an Ant ...
- 499
5
votes
7
answers
8k
views
execute jar without a main?
Can I execute a jar file without having a main class, in this way:
java -jar my_jar.jar -getX arg1 arg2 ...
Knowing that I have a method called getX with takes arg1 arg2 ... as arguments.
Any idea?
- 1,573
9
votes
3
answers
16k
views
How to Run a specific Main class from a jar
I have a jar file having 2 java classes both having Main methods. Is there a way I can specify while running the jar file, which class to call ?
I know that manifest file can be modified to specify ...
- 3,416
3
votes
5
answers
5k
views
Jar file created with Eclipse: Could not find the main class: UI.MainWindow. Program will exit
I have a Java application developed with Eclipse. I have tried to export it as a .jar file, to run it indipendently, but if I try to run it with the command
java -jar application.jar
I get this ...
- 3,466
0
votes
1
answer
434
views
Jar Maker -- Which is the main class?
Alrighty, so I'm working on making a .jar for a client for a little game and I know how to use everything and have done this before, on windows, now i'm on a mac. This shouldn't make a difference but ...
- 425