Module java.base
Package java.io

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
    • Field Detail

      • classname

        public String classname
        Name of the invalid class.
    • Constructor Detail

      • 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.
    • Method Detail

      • 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).