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Non-serializable object passed to 'ObjectOutputStream'

Reports non-Serializable objects used as arguments to Such calls will result in runtime exceptions.

This inspection assumes objects of the types java.util.Collection and java.util.Map to be Serializable, unless the types they are declared in are non-Serializable.


public class IWantToSerializeThis { public static void main(String[] args) throws IOException { try(var stream = new ObjectOutputStream(Files.newOutputStream(Paths.get("output")))) { // Warning -- will fail with NotSerializableException stream.writeObject(new IWantToSerializeThis()); } } }

Inspection Details

By default bundled with:

IntelliJ IDEA 2024.1, Qodana for JVM 2024.1,

Can be installed with plugin:

Java, 241.16690

Last modified: 29 April 2024