Top "Unsupported-class-version" questions

An UnsupportedClassVersionError is thrown when the Java Virtual Machine attempts to read a class file and determines that the major and minor version numbers in the file are not supported.

java.lang.UnsupportedClassVersionError: bad major version at offset=6

I have deployed a WAR file in the webapps folder in my tomcat. And when I am starting my tomcat, …

apache tomcat unsupported-class-version
Java Stacktrace error Unsupported major.minor version 51.0

Possible Duplicate: unsupported major .minor version 51.0 I made this script, and it gives me this error: java.lang.UnsupportedClassVersionError: net/…

java version unsupported-class-version
Error: A JNI error has occurred, please check your installation and try again - during running Java program from Ubuntu terminal

I'm trying to run a simple client-server program written in Java through Ubuntu terminal. I could compile the code successfully …

java ubuntu unsupported-class-version
java.lang.UnsupportedClassVersionError: Bad version number in .class file

I'm having this error in eclipes java.lang.UnsupportedClassVersionError: Bad version number in .class file. When I run javac -version …

java macos unsupported-class-version
Java/Maven confusion 'Unsupported major.minor version 51.0'

I am trying to download and install this Maven plugin: https://github.com/mirkonasato/graphipedia I cd in the directory …

java maven unsupported-class-version
maven eclipse - Unsupported major.minor version 52.0

I am using apache maven 3.2.3 to compile my java project. When I use the command line to launch the compile …

eclipse maven unsupported-class-version
Resolving version conflict between java and javac on Ubuntu

I have a problem with my compiled Java application on Ubuntu. It throws UnsupportedClassVersionError. I am compiling with a higher …

ubuntu java javac openjdk unsupported-class-version
UnsupportedClassVersionError when running Ant from eclipse

I'm trying to run an ant script from eclipse but it fails with the following message: BUILD FAILED project_path/…

java eclipse ant unsupported-class-version
Bad version number in .class file

I am trying to deploy a webapp in my local Jetty with Maven. My Java -version in command line is …

maven jetty jdk1.5 unsupported-class-version
JasperReports: Unsupported major.minor version 51.0

Possible Duplicate: Exception in thread “main” java.lang.UnsupportedClassVersionError: a (Unsupported major.minor version 51.0) Iam getting the error "Unsupported major.…

java version unsupported-class-version