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package java.io;

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
Author: unascribed
Since: 1.1
/** * Thrown when the Serialization runtime detects one of the following * problems with a Class. * <UL> * <LI> The serial version of the class does not match that of the class * descriptor read from the stream * <LI> The class contains unknown datatypes * <LI> The class does not have an accessible no-arg constructor * </UL> * * @author unascribed * @since 1.1 */
public class InvalidClassException extends ObjectStreamException { private static final long serialVersionUID = -4333316296251054416L;
Name of the invalid class.
@serialName of the invalid class.
/** * Name of the invalid class. * * @serial Name of the invalid class. */
public String classname;
Report an InvalidClassException for the reason specified.
Params:
  • reason – String describing the reason for the exception.
/** * Report an InvalidClassException for the reason specified. * * @param reason String describing the reason for the exception. */
public InvalidClassException(String reason) { super(reason); }
Constructs an InvalidClassException object.
Params:
  • cname – a String naming the invalid class.
  • reason – a String describing the reason for the exception.
/** * Constructs an InvalidClassException object. * * @param cname a String naming the invalid class. * @param reason a String describing the reason for the exception. */
public InvalidClassException(String cname, String reason) { super(reason); classname = cname; }
Produce the message and include the classname, if present.
/** * Produce the message and include the classname, if present. */
public String getMessage() { if (classname == null) return super.getMessage(); else return classname + "; " + super.getMessage(); } }