Class InvalidClassException

• java.lang.Object
• • java.lang.Throwable
  • • java.lang.Exception
    • • java.io.IOException
      • • java.io.ObjectStreamException
        • • java.io.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:

JDK1.1

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).