{"record":{"id":"ed183d0e9c2a51a8","repo":"hibernate/hibernate-orm","slug":"entity-may-not-be-null-ed183d","errorCode":null,"errorMessage":"Entity may not be null","messagePattern":"Entity may not be null","errorType":"exception","errorClass":"IllegalArgumentException","httpStatus":null,"severity":"error","filePath":"hibernate-core/src/main/java/org/hibernate/event/spi/EvictEvent.java","lineNumber":25,"sourceCode":"\n\n/**\n * Event class for {@link org.hibernate.Session#evict}\n * and {@link org.hibernate.Session#detach}.\n *\n * @author Steve Ebersole\n *\n * @see org.hibernate.Session#evict\n * @see org.hibernate.Session#detach\n */\npublic class EvictEvent extends AbstractSessionEvent {\n\n\tprivate Object object;\n\n\tpublic EvictEvent(@Nonnull Object object, @Nonnull EventSource source) {\n\t\tsuper(source);\n\t\tif (object == null) {\n\t\t\tthrow new IllegalArgumentException( \"Entity may not be null\" );\n\t\t}\n\t\tthis.object = object;\n\t}\n\n\t@Nonnull\n\tpublic Object getObject() {\n\t\treturn object;\n\t}\n\n\tpublic void setObject(@Nonnull Object object) {\n\t\tthis.object = object;\n\t}\n}\n","sourceCodeStart":7,"sourceCodeEnd":39,"githubUrl":"https://github.com/hibernate/hibernate-orm/blob/fad1729dce015f908198d57a8d80274a30f905a5/hibernate-core/src/main/java/org/hibernate/event/spi/EvictEvent.java#L7-L39","documentation":"Error \"Entity may not be null\" thrown in hibernate/hibernate-orm.","triggerScenarios":"Thrown when a caller passes a null Entity to the API guarded in EvictEvent.java:25.","commonSituations":"Typical situations: calling the method with an uninitialized variable; a lookup that returned null being passed straight through; missing null-checks in application code before invoking Hibernate.","solutions":["Check the entity argument for null before constructing an EvictEvent / calling Session.evict()."],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"fad1729dce015f908198d57a8d80274a30f905a5","analyzedAt":"2026-08-22T04:13:57.527Z","schemaVersion":2},"datasetVersion":"2026-08-22T09:17:25.309Z"}