unsupported-class-version Questions

52

Solved

I am trying to use Notepad++ as my all-in-one tool edit, run, compile, etc. I have JRE installed, and I have setup my path variable to the .../bin directory. When I run my "Hello world" in Notepa...
Transarctic asked 30/4, 2012 at 11:28

5

Solved

I moved my Android Studio project from one computer to another computer and now I get this error: "Unsupported class file major version 61" . How can I fix this?

1

FAILURE: Build failed with an exception. Where: Build file 'D:\D\FitCoachApp\fit_coach_app\android\build.gradle' What went wrong: Could not compile build file 'D:\D\FitCoachApp\fit_coach_app\andr...
Alsatia asked 17/4, 2023 at 12:45

1

Solved

Java class version can be obtained from a class binary using javap javap -verbose Test | grep 'minor\|major' minor version: 0 major version: 55 Is it possible to know in advance which class vers...
Iceman asked 26/1, 2023 at 13:57

2

Solved

I'm very new to Gradle, and I wanted to give a try to this cool project : Strange, a Quantum Computing API for Java (I'll leave a link to the github project below). They recommend using Gradle, so...

3

Solved

I'm trying to run a simple client-server program written in Java through Ubuntu terminal. I could compile the code successfully unfortunately, I can't run the code. Server class code: import jav...
Brume asked 5/10, 2018 at 18:29

4

Solved

I am using apache maven 3.2.3 to compile my java project. When I use the command line to launch the compile using mvn clean compile then it works perfectly. But when I run maven build from ec...
Underhung asked 28/3, 2015 at 6:31

6

Solved

I'm having this error in eclipes java.lang.UnsupportedClassVersionError: Bad version number in .class file. When I run javac -version it prints javac 1.5.0_28 Within eclipes if I right click, ...
Lederman asked 27/6, 2011 at 13:10

8

Solved

I recently uninstalled Java 8, to use Java 6 as I want my code/creations to be usable by more people than just those on Java 8. When I do mvn - version it returns: Exception in thread "main" java....
Imbecility asked 13/7, 2015 at 22:18

2

Am getting java.lang.unsupportedclassversionerror in gradle build, it is a multiproject gradle build. Am using Java-8 and it was working so far but, all of a sudden it stopped working and started t...
Silesia asked 18/6, 2021 at 20:32

1

Solved

I have included TomEE with Eclipse in order to start developing dynamic web projects (I am still new to it). Before adding the project to the TomEE server, I am able to start it without any problem...
Hendershot asked 6/11, 2020 at 11:14

10

Solved

It all happens when I was trying to build a springboot application by ./mvnw clean install When I first run the install command, it runs into following problem. [INFO] ---------------------------...

5

Solved

I have a problem with my compiled Java application on Ubuntu. It throws UnsupportedClassVersionError. I am compiling with a higher JDK version than the one that is configured in my PATH to run Java...
Pollination asked 14/5, 2012 at 14:15

4

Solved

I have deployed a WAR file in the webapps folder in my tomcat. And when I am starting my tomcat, like below C:\apache-tomcat-6.0.35\bin>startup.bat Using CATALINA_BASE: "C:\apache-tomcat-6.0.35...
Circumvolution asked 11/10, 2012 at 23:52

6

Solved

I installed maven by following this steps:(a tutorial) JAVA_HOME=/Library/Java/Home export M2_HOME=/Users/steven/zimmermann/maven export M2=$M2_HOME/bin export PATH=$M2:$PATH echo $JAVA_HOME echo...
Ahmedahmedabad asked 25/3, 2015 at 12:19

26

Pictures: Command Prompt showing versions Picture of error Hello.java import java.applet.Applet; import java.awt.*; public class Hello extends Applet { // Java applet to draw "Hello ...
Ecclesia asked 18/3, 2014 at 19:40

4

When I ran a java program I received this error.. Could you please suggest why do we get this error: Exception in thread "main" java.lang.UnsupportedClassVersionError: GenerateInvoice (Un...
Winzler asked 7/10, 2012 at 16:26

2

Solved

I have a Maven Eclipse application which I'm trying to run through the command prompt using the following command: java -cp target/classes;"target/dependency/*" com.example.Main Unfortunately, i...
Possum asked 22/3, 2013 at 10:2

2

org.apache.catalina.core.ContainerBase addChildInternal SEVERE: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].Sta...
Hospitalize asked 7/2, 2013 at 12:7

3

Solved

I'm trying to run an ant script from eclipse but it fails with the following message: BUILD FAILED project_path/build.xml:5: java.lang.UnsupportedClassVersionError: com/sun/tools/javac/Main : Unsu...
Rentschler asked 29/1, 2013 at 10:54

7

Solved

I am trying to build an application, but it gives some error. My JDK version is given below: java version "1.6.0_30" Java(TM) SE Runtime Environment (build 1.6.0_30-b12) Java HotSpot(TM) Cli...
Etiquette asked 28/6, 2012 at 6:23

5

Solved

Possible Duplicate: unsupported major .minor version 51.0 I installed JDK7, a simple hello word program gets compile but when I run this I got following exception. Exception in threa...
Disembodied asked 30/8, 2011 at 0:31

3

Possible Duplicate: unsupported major .minor version 51.0 I made this script, and it gives me this error: java.lang.UnsupportedClassVersionError: net/glitching/client : Unsupported ...
Hodgson asked 15/6, 2012 at 22:59
1

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