Class File Has Wrong Version 61 0 Should Be 55 0. Fixing Java Class File Version Error Wrong Version 55.0 Instead Of 52.0 and similar question Class file has wrong version 52.0, should be 50.0 It indicates that you are using java 8 but the class file is compiled for java 17. For example, when you use Spring Boot 3 or Spring Framework 6 with Java 8 you will get " class file has wrong version 61.0, should be 52.0" because for Java 8 compile maximum class file version is 52.0, it doesn't have any information of higher class file version.
Fixing Unsupported Class File Major Version 61 A Comprehensive Guide from nhanvietluanvan.com
Ensure your project and dependencies align with the Java version you are using. and similar question Class file has wrong version 52.0, should be 50.0 It indicates that you are using java 8 but the class file is compiled for java 17.
Fixing Unsupported Class File Major Version 61 A Comprehensive Guide
What's "major version 61" mean? Each compiled Java class file contains metadata, including a "major version number," which indicates the version of the Java Development Kit (JDK) used to compile that class file. If we're using a different version of Java, we can add or subtract one as needed to figure out the corresponding class file version number. For the most common Java versions, these class version numbers are 65.0 for Java 21, 61.0 for Java 17, 55.0 for Java 11, and 51.0 for Java 8
Fixing Unsupported Class File Major Version 61 A Comprehensive Guide. Specifically, class file version 61.0 corresponds to Java 17, while version 55.0 corresponds to Java 11 What's "major version 61" mean? Each compiled Java class file contains metadata, including a "major version number," which indicates the version of the Java Development Kit (JDK) used to compile that class file.
Unsupported Class File Major Version 61 A Comprehensive Guide. For the most common Java versions, these class version numbers are 65.0 for Java 21, 61.0 for Java 17, 55.0 for Java 11, and 51.0 for Java 8 The " class file has wrong version " error in Java is a common issue that we encounter when running or compiling Java programs