Class InvalidClassException

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
The ObjectStreamClass of an enum constant does not represent an enum type
Other conditions given in the Java Object Serialization Specification

Since:

1.1

See Also:

Field Summary

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

Constructor Summary

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

Method Summary

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

Methods declared in class Throwable

addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString

Modifier and Type	Method	Description
`final void`	`addSuppressed(Throwable exception)`	Appends the specified exception to the exceptions that were suppressed in order to deliver this exception.
`Throwable`	`fillInStackTrace()`	Fills in the execution stack trace.
`Throwable`	`getCause()`	Returns the cause of this throwable or `null` if the cause is nonexistent or unknown.
`String`	`getLocalizedMessage()`	Creates a localized description of this throwable.
`StackTraceElement[]`	`getStackTrace()`	Provides programmatic access to the stack trace information printed by `Throwable.printStackTrace()`.
`final Throwable[]`	`getSuppressed()`	Returns an array containing all of the exceptions that were suppressed, typically by the `try`-with-resources statement, in order to deliver this exception.
`Throwable`	`initCause(Throwable cause)`	Initializes the cause of this throwable to the specified value.
`void`	`printStackTrace()`	Prints this throwable and its backtrace to the standard error stream.
`void`	`printStackTrace(PrintStream s)`	Prints this throwable and its backtrace to the specified print stream.
`void`	`printStackTrace(PrintWriter s)`	Prints this throwable and its backtrace to the specified print writer.
`void`	`setStackTrace(StackTraceElement[] stackTrace)`	Sets the stack trace elements that will be returned by `Throwable.getStackTrace()` and printed by `Throwable.printStackTrace()` and related methods.
`String`	`toString()`	Returns a short description of this throwable.

Methods declared in class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Modifier and Type	Method	Description
`protected Object`	`clone()`	Creates and returns a copy of this object.
`boolean`	`equals(Object obj)`	Indicates whether some other object is "equal to" this one.
`protected void`	`finalize()`	Deprecated, for removal: This API element is subject to removal in a future version. Finalization is deprecated and subject to removal in a future release.
`final Class<?>`	`getClass()`	Returns the runtime class of this `Object`.
`int`	`hashCode()`	Returns a hash code value for this object.
`final void`	`notify()`	Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()`	Wakes up all threads that are waiting on this object's monitor.
`final void`	`wait()`	Causes the current thread to wait until it is awakened, typically by being notified or interrupted.
`final void`	`wait(long timeoutMillis)`	Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
`final void`	`wait(long timeoutMillis, int nanos)`	Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

Field Details

classname

public String classname

Name of the invalid class.

Constructor Details

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.

InvalidClassException

public InvalidClassException(String reason, Throwable cause)

Report an InvalidClassException for the reason and cause specified.

Parameters:: reason - String describing the reason for the exception.; cause - the cause
Since:: 19

InvalidClassException

public InvalidClassException(String cname, String reason, Throwable cause)

Report an InvalidClassException for the reason and cause specified.

Parameters:: cname - a String naming the invalid class.; reason - String describing the reason for the exception.; cause - the cause
Since:: 19

Method Details

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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