IncompatibleClassChangeError in Java

Date: 2024-09-11

Java's IncompatibleClassChangeError is a runtime exception stemming from inconsistencies between compiled class versions. This occurs when a class is modified (methods, fields, or interfaces) after compilation, and dependent classes aren't recompiled. Common causes include modifying a class's structure and failing to update dependent classes, leading to mismatches at runtime. Preventing this requires consistent recompilation of all affected classes and maintaining a clean classpath. The error indicates a mismatch between the expected and loaded class versions.

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