NotSerializableException (Java SE 17 & JDK 17) JavaScript is disabled on your browser. Skip navigation links Java SE 17 & JDK 17 Overview Module Package Class Use Tree Preview New Deprecated Index Help Summary:  Nested |  Field |  Constr |  Method Detail:  Field |  Constr |  Method SEARCH: Module java.base Package java.io Class NotSerializableException java.lang.Object java.lang.Throwable java.lang.Exception java.io.IOException java.io.ObjectStreamException java.io.NotSerializableException All Implemented Interfaces: Serializable public class NotSerializableException extends ObjectStreamException Thrown when an instance is required to have a Serializable interface. The serialization runtime or the class of the instance can throw this exception. The argument should be the name of the class. Since: 1.1 See Also: Serialized Form Constructor Summary Constructors Constructor Description NotSerializableException() Constructs a NotSerializableException object. NotSerializableException(String classname) Constructs a NotSerializableException object with message string. Method Summary Methods declared in class java.lang.Throwable addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString Methods declared in class java.lang.Object clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait Constructor Details NotSerializableException public NotSerializableException(String classname) Constructs a NotSerializableException object with message string. Parameters: classname - Class of the instance being serialized/deserialized. NotSerializableException public NotSerializableException() Constructs a NotSerializableException object. Report a bug or suggest an enhancement For further API reference and developer documentation see the Java SE Documentation, which contains more detailed, developer-targeted descriptions with conceptual overviews, definitions of terms, workarounds, and working code examples. Other versions. Java is a trademark or registered trademark of Oracle and/or its affiliates in the US and other countries. Copyright © 1993, 2026, Oracle and/or its affiliates, 500 Oracle Parkway, Redwood Shores, CA 94065 USA. All rights reserved. Use is subject to license terms and the documentation redistribution policy. Scripting on this page tracks web page traffic, but does not change the content in any way.