Class InvalidClassException

All Implemented Interfaces:
Serializable
public class InvalidClassException
extends ObjectStreamException

Thrown when the Serialization runtime detects one of the following problems with a Class.

  • The serial version of the class does not match that of the class descriptor read from the stream
  • The class contains unknown datatypes
  • The class does not have an accessible no-arg constructor

Since:
1.1
See Also:
Serialized Form

Fields

Modifier and Type Field Description
String classname

Name of the invalid class.

Constructors

Constructor Description
InvalidClassException​(String reason)

Report an InvalidClassException for the reason specified.
InvalidClassException​(String cname, String reason)

Constructs an InvalidClassException object.

Methods

Modifier and Type Method Description
String getMessage()

Produce the message and include the classname, if present.

Methods declared in class java.lang.Throwable

addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, 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

Fields

classname

public String classname

Name of the invalid class.

Constructors

InvalidClassException

public InvalidClassException(String reason)

Report an InvalidClassException for the reason specified.

Parameters:
reason - String describing the reason for the exception.

InvalidClassException

public InvalidClassException(String cname,
                             String reason)

Constructs an InvalidClassException object.

Parameters:
cname - a String naming the invalid class.
reason - a String describing the reason for the exception.

Methods

getMessage

public String getMessage()

Produce the message and include the classname, if present.

Overrides:
getMessage in class Throwable
Returns:
the detail message string of this Throwable instance (which may be null).

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Documentation extracted from Debian's OpenJDK Development Kit package.
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https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/InvalidClassException.html