InvalidClassException (Java Platform SE 7 b138)

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

See Also:
Serialized Form

Field Summary

Fields
Modifier and Type Field and Description

String classname
Name of the invalid class.

Fields
Modifier and Type	Field and Description
`String`	`classname` Name of the invalid class.

Constructor Summary

Constructors
Constructor and Description
`InvalidClassException(String reason)` Report an InvalidClassException for the reason specified.
`InvalidClassException(String cname, String reason)` Constructs an InvalidClassException object.

Method Summary

Methods
Modifier and Type Method and Description

String getMessage()
Produce the message and include the classname, if present.
- Methods inherited from class java.lang.Throwable
  addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods
Modifier and Type	Method and Description
`String`	`getMessage()` Produce the message and include the classname, if present.

- 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).

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DRAFT ea-b138

Class InvalidClassException

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Throwable

Methods inherited from class java.lang.Object

Field Detail

classname

Constructor Detail

InvalidClassException

InvalidClassException

Method Detail

getMessage