Java Module java.base Package javax.security.auth.callback Class UnsupportedCallbackException（JDK11）

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java.lang.Object
- java.lang.Throwable
- - java.lang.Exception
  - - javax.security.auth.callback.UnsupportedCallbackException

All Implemented Interfaces:

Serializable
```
public class UnsupportedCallbackException
extends Exception
```
Signals that a CallbackHandler does not recognize a particular Callback.

Since:

1.4

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor	Description
`UnsupportedCallbackException(Callback callback)`	Constructs an `UnsupportedCallbackException` with no detail message.
`UnsupportedCallbackException(Callback callback, String msg)`	Constructs a UnsupportedCallbackException with the specified detail message.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Callback`	`getCallback()`	Get the unrecognized `Callback`.

Methods declared in class java.lang.Throwable
addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString

Methods declared in class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - UnsupportedCallbackException
```
public UnsupportedCallbackException(Callback callback)
```
    Constructs an UnsupportedCallbackException with no detail message.
    
    Parameters:
    
    callback - the unrecognized Callback.
  - UnsupportedCallbackException
```
public UnsupportedCallbackException(Callback callback,
                                    String msg)
```
    Constructs a UnsupportedCallbackException with the specified detail message. A detail message is a String that describes this particular exception.
    
    Parameters:
    
    callback - the unrecognized Callback.
    
    msg - the detail message.
- Method Detail
  - getCallback
```
public Callback getCallback()
```
    Get the unrecognized Callback.
    
    Returns:
    
    the unrecognized Callback.

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