Feb 20, 2025 · Learn what causes the "java.lang.UnsupportedClassVersionError: Unsupported major.minor version error" message, and how to fix it.

Aug 5, 2021 · Exception in thread "main" java.lang.UnsupportedClassVersionError: org/tweetyproject/logics/pl/syntax/Proposition has been compiled by a more recent version of …

May 7, 2025 · Try sudo update-alternatives --config java from the command line to set the version of the JRE you want to use. This should fix it. Did the trick for me on Ubuntu Server 12.04 too! …

Apr 30, 2012 · To fix the actual problem you should try to either run the Java code with a newer version of Java JRE or specify the target parameter to the Java compiler to instruct the …

Jan 28, 2021 · The UnsupportedClassVersionError is a sub-class of the LinkageError and thrown by the Java Virtual Machine (JVM). When a class file is read and when major and minor …

Jan 14, 2022 · The UnsupportedClassVersionError error is a critical Java runtime error thrown during the class linking phase at the very beginning of a program's execution. This error …

Oct 21, 2023 · Java’s UnsupportedClassVersionError is a subclass of the ClassFormatError class and is typically thrown when the Java Virtual Machine (JVM) attempts to read a class file and …

Aug 10, 2024 · java.lang.UnsupportedClassVersionError 是一个常见的错误，通常出现在运行一个 Java 程序时，提示某个类的版本与当前JVM（Java Virtual Machine）不兼容。 这通常意味着 …

try java -version and javac -version to be sure which version is being executed. is RunExport one of the classes you created/compiled? The Exception should also state what the bad version …

Mar 22, 2024 · Learn how to resolve the java.lang.UnsupportedClassVersionError in Java applications with practical solutions. Fix compatibility issues and ensure smooth execution.