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jmix-framework / jmix

Jmix framework
https://www.jmix.io
Apache License 2.0
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The AttributeChanges.getOldCollection method must be Nullable #3897

Closed Lood closed 5 days ago

Lood commented 6 days ago

Environment

Jmix version: 2.3.4 Jmix Studio plugin version: 2.4.0-241 IntelliJ version: IntelliJ IDEA 2024.1.1 (Ultimate Edition)

Bug Description

Idea reports that the result (io.jmix.core.event.AttributeChanges.getOldCollection(String, Class<E>)) is always non-Null, but in fact it can be Null, this leads to NPE