{"record":{"id":"9720db94760272a3","repo":"hibernate/hibernate-orm","slug":"unable-to-resolve-setter-method-on-deserialization","errorCode":null,"errorMessage":"Unable to resolve setter method on deserialization : \" + declaringClass.getName() + \"#\" + methodName + \"(\" + argumentType.getName() + \")\"","messagePattern":"Unable to resolve setter method on deserialization : \" \\+ declaringClass\\.getName\\(\\) \\+ \"#\" \\+ methodName \\+ \"\\(\" \\+ argumentType\\.getName\\(\\) \\+ \"\\)\"","errorType":"exception","errorClass":"PropertyAccessSerializationException","httpStatus":null,"severity":"error","filePath":"hibernate-core/src/main/java/org/hibernate/property/access/internal/AbstractSetterMethodSerialForm.java","lineNumber":61,"sourceCode":"\t\treturn declaringClass;\n\t}\n\n\tpublic String getMethodName() {\n\t\treturn methodName;\n\t}\n\n\tpublic Class<?> getArgumentType() {\n\t\treturn argumentType;\n\t}\n\n\tprotected Method resolveMethod() {\n\t\ttry {\n\t\t\tfinal var method = declaringClass.getDeclaredMethod( methodName, argumentType );\n\t\t\tReflectHelper.ensureAccessibility( method );\n\t\t\treturn method;\n\t\t}\n\t\tcatch (NoSuchMethodException e) {\n\t\t\tthrow new PropertyAccessSerializationException(\n\t\t\t\t\t\"Unable to resolve setter method on deserialization : \" + declaringClass.getName() + \"#\"\n\t\t\t\t\t\t\t+ methodName + \"(\" + argumentType.getName() + \")\"\n\t\t\t);\n\t\t}\n\t}\n}\n","sourceCodeStart":43,"sourceCodeEnd":68,"githubUrl":"https://github.com/hibernate/hibernate-orm/blob/fad1729dce015f908198d57a8d80274a30f905a5/hibernate-core/src/main/java/org/hibernate/property/access/internal/AbstractSetterMethodSerialForm.java#L43-L68","documentation":"Setter-based property accessors serialize as (declaringClass, methodName, argumentType). On deserialization, AbstractSetterMethodSerialForm.resolveMethod re-locates the Method via getDeclaredMethod(methodName, argumentType); NoSuchMethodException is wrapped in PropertyAccessSerializationException when that exact signature no longer exists on the class.","triggerScenarios":"Reading back a serialized PropertyAccess after the setter was renamed, removed, or had its parameter type changed (e.g., a setter now accepting a different wrapper type), so the exact (name, argumentType) pair no longer resolves.","commonSituations":"Entity class refactors between serialize and deserialize; changing a setter parameter type from Integer to int (or to another class) without clearing serialized caches; heterogeneous cluster nodes with different entity builds.","solutions":["Invalidate serialized caches after any change to setter signatures on mapped classes","Keep the exact setter name and parameter type stable on classes that participate in serialized state","Rebuild (serialize anew) any stored artifacts once all nodes run the same class version"],"exampleFix":null,"handlingStrategy":"try-catch","validationCode":null,"typeGuard":null,"tryCatchPattern":"try (ObjectInputStream in = new ObjectInputStream(bytes)) {\n    Object cached = in.readObject();\n} catch (org.hibernate.PropertyAccessSerializationException e) {\n    // setter (name, argumentType) no longer exists on the class: invalidate and re-serialize\n}","preventionTips":["Keep setter names and parameter types stable on classes used in serialized state","Clear serialized caches after refactoring mapped setters","Re-serialize stored artifacts after all nodes run the same class version"],"tags":["hibernate","serialization","reflection","property-access","deployment"],"backgroundTag":"deserialization-no-such-method","analyzedSha":"fad1729dce015f908198d57a8d80274a30f905a5","analyzedAt":"2026-08-22T04:13:57.527Z","schemaVersion":2},"datasetVersion":"2026-08-22T09:17:25.309Z"}