Java Runtime (class file version 61.0), this version of the Java ...
Jul 14, 2023 · Exception in thread "main" java.lang.UnsupportedClassVersionError: org/springframework/boot/SpringApplication has been compiled by a more recent version of …
[Solved] Java class file has wrong version 61.0 - HowToDoInJava
Sep 18, 2024 · Learn to solve the Java compiler exception "Java class file has wrong version" while migrating an application to Spring 6 or Spring boot 3.
Class File Versions - javaalmanac.io
A class file which uses preview features can only be loaded by the JDK release matching the major version. Loading such classes with a newer JDK release is not permitted.
How to Handle “class file has wrong version” Errors in Java
Jan 6, 2025 · Suppose we encounter the error “class file has wrong version 61.0 (Java 17), should be 55.0 (Java 11)”. Then, we can fix this by installing a version of Java 17+ and …
Java Runtime Class File Version 61.0: A Comprehensive Guide
Nov 12, 2025 · In the Java ecosystem, class file versions play a crucial role in ensuring compatibility between different Java Virtual Machines (JVMs) and Java source code. Each …
How to Fix "Unsupported Class File Major Version 61" in Java
Mar 20, 2024 · To resolve it, you need to either upgrade your Java runtime to match the version required by the class files (at least Java 17 in this case) or recompile the source code with a …
How to Resolve the ‘Class File Has Wrong Version’ Error in Java
Feb 18, 2025 · In this article, we explored the causes and solutions for the "class file has wrong version" error in Java. This issue arises due to a mismatch between the Java version used for …
How to Resolve the 'Java Runtime (class file version 61.0), only ...
Learn how to fix the 'Java Runtime recognizes class file version 61.0' error with step-by-step solutions and common troubleshooting tips.
[Fixed] Unsupported Class File Major Version 61 in Java
Dec 7, 2023 · This problem arises when a Java program, compiled with Java 17 (denoted by major version 61), is run on a Java version that’s older than Java 17. This guide is crafted to …
How to Fix "Class File Has Wrong Version 61.0, Should Be 55.0" …
Don’t worry—this error is pretty common in Java and Spring development, and it’s totally fixable! In this guide, we’ll break down what this error means in plain English, why it’s popping up in...