InvalidClassException (Java SE 10 & JDK 10 ) (original) (raw)

• java.lang.Object

• • java.lang.Throwable
  • • java.lang.Exception
      • • java.io.IOException
          * * java.io.ObjectStreamException
          * * java.io.InvalidClassException

• All Implemented Interfaces:
  [Serializable](../../java/io/Serializable.html "interface in java.io")

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 Summary

  Fields

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

  • Constructor Summary

  Constructors

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

  • Method Summary

  All Methods Instance Methods Concrete Methods

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

     * ### Methods declared in class java.lang.[Object](../../java/lang/Object.html "class in java.lang")  
     `[clone](../../java/lang/Object.html#clone%28%29), [equals](../../java/lang/Object.html#equals%28java.lang.Object%29), [finalize](../../java/lang/Object.html#finalize%28%29), [getClass](../../java/lang/Object.html#getClass%28%29), [hashCode](../../java/lang/Object.html#hashCode%28%29), [notify](../../java/lang/Object.html#notify%28%29), [notifyAll](../../java/lang/Object.html#notifyAll%28%29), [wait](../../java/lang/Object.html#wait%28%29), [wait](../../java/lang/Object.html#wait%28long%29), [wait](../../java/lang/Object.html#wait%28long,int%29)`  
     * ### Methods declared in class java.lang.[Throwable](../../java/lang/Throwable.html "class in java.lang")  
     `[addSuppressed](../../java/lang/Throwable.html#addSuppressed%28java.lang.Throwable%29), [fillInStackTrace](../../java/lang/Throwable.html#fillInStackTrace%28%29), [getCause](../../java/lang/Throwable.html#getCause%28%29), [getLocalizedMessage](../../java/lang/Throwable.html#getLocalizedMessage%28%29), [getStackTrace](../../java/lang/Throwable.html#getStackTrace%28%29), [getSuppressed](../../java/lang/Throwable.html#getSuppressed%28%29), [initCause](../../java/lang/Throwable.html#initCause%28java.lang.Throwable%29), [printStackTrace](../../java/lang/Throwable.html#printStackTrace%28%29), [printStackTrace](../../java/lang/Throwable.html#printStackTrace%28java.io.PrintStream%29), [printStackTrace](../../java/lang/Throwable.html#printStackTrace%28java.io.PrintWriter%29), [setStackTrace](../../java/lang/Throwable.html#setStackTrace%28java.lang.StackTraceElement%5B%5D%29), [toString](../../java/lang/Throwable.html#toString%28%29)`

• • Field Detail

     * #### classname  
     public [String](../../java/lang/String.html "class in java.lang") classname  
     Name of the invalid class.  

  • Constructor Detail

    * #### InvalidClassException  
    public InvalidClassException​([String](../../java/lang/String.html "class in java.lang") reason)  
    Report an InvalidClassException for the reason specified.  
    Parameters:  
    `reason` \- String describing the reason for the exception.  
    * #### InvalidClassException  
    public InvalidClassException​([String](../../java/lang/String.html "class in java.lang") cname,  
                                 [String](../../java/lang/String.html "class in java.lang") 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](../../java/lang/String.html "class in java.lang") getMessage()  
    Produce the message and include the classname, if present.  
    Overrides:  
    `[getMessage](../../java/lang/Throwable.html#getMessage%28%29)` in class `[Throwable](../../java/lang/Throwable.html "class in java.lang")`  
    Returns:  
    the detail message string of this `Throwable` instance (which may be `null`).

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