# UnsupportedCallbackException

public class **UnsupportedCallbackException** extends [Exception](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Exception.html)  
Signals that a `CallbackHandler` does not
recognize a particular `Callback`.

### Public Constructor Summary

|---|---|
|   | [UnsupportedCallbackException](https://developers.google.com/j2objc/javadoc/jre/reference/javax/security/auth/callback/UnsupportedCallbackException.html#UnsupportedCallbackException(javax.security.auth.callback.Callback))([Callback](https://developers.google.com/j2objc/javadoc/jre/reference/javax/security/auth/callback/Callback.html) callback) Constructs a `UnsupportedCallbackException` with no detail message. |
|   | [UnsupportedCallbackException](https://developers.google.com/j2objc/javadoc/jre/reference/javax/security/auth/callback/UnsupportedCallbackException.html#UnsupportedCallbackException(javax.security.auth.callback.Callback,%20java.lang.String))([Callback](https://developers.google.com/j2objc/javadoc/jre/reference/javax/security/auth/callback/Callback.html) callback, [String](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/String.html) msg) Constructs a UnsupportedCallbackException with the specified detail message. |

### Public Method Summary

|---|---|
| [Callback](https://developers.google.com/j2objc/javadoc/jre/reference/javax/security/auth/callback/Callback.html) | [getCallback](https://developers.google.com/j2objc/javadoc/jre/reference/javax/security/auth/callback/UnsupportedCallbackException.html#getCallback())() Get the unrecognized `Callback`. |

### Inherited Method Summary

From class [java.lang.Throwable](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Throwable.html)

|---|---|
| synchronized final void | [addSuppressed](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Throwable.html#addSuppressed(java.lang.Throwable))([Throwable](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Throwable.html) exception) Appends the specified exception to the exceptions that were suppressed in order to deliver this exception. |
| synchronized [Throwable](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Throwable.html) | [fillInStackTrace](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Throwable.html#fillInStackTrace())() Fills in the execution stack trace. |
| synchronized [Throwable](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Throwable.html) | [getCause](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Throwable.html#getCause())() Returns the cause of this throwable or `null` if the cause is nonexistent or unknown. |
| [String](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/String.html) | [getLocalizedMessage](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Throwable.html#getLocalizedMessage())() Creates a localized description of this throwable. |
| [String](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/String.html) | [getMessage](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Throwable.html#getMessage())() Returns the detail message string of this throwable. |
| StackTraceElement\[\] | [getStackTrace](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Throwable.html#getStackTrace())() Provides programmatic access to the stack trace information printed by `https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Throwable.html#printStackTrace()`. |
| synchronized final [Throwable\[\]](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Throwable.html) | [getSuppressed](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Throwable.html#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. |
| synchronized [Throwable](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Throwable.html) | [initCause](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Throwable.html#initCause(java.lang.Throwable))([Throwable](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Throwable.html) cause) Initializes the *cause* of this throwable to the specified value. |
| void | [printStackTrace](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Throwable.html#printStackTrace())() Prints this throwable and its backtrace to the standard error stream. |
| void | [printStackTrace](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Throwable.html#printStackTrace(java.io.PrintWriter))([PrintWriter](https://developers.google.com/j2objc/javadoc/jre/reference/java/io/PrintWriter.html) s) Prints this throwable and its backtrace to the specified print writer. |
| void | [printStackTrace](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Throwable.html#printStackTrace(java.io.PrintStream))([PrintStream](https://developers.google.com/j2objc/javadoc/jre/reference/java/io/PrintStream.html) s) Prints this throwable and its backtrace to the specified print stream. |
| void | [setStackTrace](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Throwable.html#setStackTrace(java.lang.StackTraceElement[]))(StackTraceElement\[\] stackTrace) Sets the stack trace elements that will be returned by `https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Throwable.html#getStackTrace()` and printed by `https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Throwable.html#printStackTrace()` and related methods. |
| [String](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/String.html) | [toString](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Throwable.html#toString())() Returns a short description of this throwable. |

From class [java.lang.Object](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Object.html)

|---|---|
| [Object](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Object.html) | [clone](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Object.html#clone())() Creates and returns a copy of this `Object`. |
| boolean | [equals](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Object.html#equals(java.lang.Object))([Object](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Object.html) obj) Compares this instance with the specified object and indicates if they are equal. |
| void | [finalize](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Object.html#finalize())() Invoked when the garbage collector has detected that this instance is no longer reachable. |
| final [Class](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Class.html)\<?\> | [getClass](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Object.html#getClass())() Returns the unique instance of `https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Class.html` that represents this object's class. |
| int | [hashCode](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Object.html#hashCode())() Returns an integer hash code for this object. |
| final void | [notify](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Object.html#notify())() Causes a thread which is waiting on this object's monitor (by means of calling one of the `wait()` methods) to be woken up. |
| final void | [notifyAll](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Object.html#notifyAll())() Causes all threads which are waiting on this object's monitor (by means of calling one of the `wait()` methods) to be woken up. |
| [String](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/String.html) | [toString](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Object.html#toString())() Returns a string containing a concise, human-readable description of this object. |
| final void | [wait](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Object.html#wait(long,%20int))(long timeout, int nanos) Causes the calling thread to wait until another thread calls the `notify()` or `notifyAll()` method of this object or until the specified timeout expires. |
| final void | [wait](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Object.html#wait(long))(long timeout) Causes the calling thread to wait until another thread calls the `notify()` or `notifyAll()` method of this object or until the specified timeout expires. |
| final void | [wait](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/Object.html#wait())() Causes the calling thread to wait until another thread calls the `notify()` or `notifyAll()` method of this object. |

## Public Constructors

#### public
**UnsupportedCallbackException**
([Callback](https://developers.google.com/j2objc/javadoc/jre/reference/javax/security/auth/callback/Callback.html) callback)

Constructs a `UnsupportedCallbackException`
with no detail message.

<br />

##### Parameters

| callback | the unrecognized `Callback`. |
|---|---|

#### public
**UnsupportedCallbackException**
([Callback](https://developers.google.com/j2objc/javadoc/jre/reference/javax/security/auth/callback/Callback.html) callback, [String](https://developers.google.com/j2objc/javadoc/jre/reference/java/lang/String.html) msg)

Constructs a UnsupportedCallbackException with the specified detail
message. A detail message is a String that describes this particular
exception.

<br />

##### Parameters

| callback | the unrecognized `Callback`. <br /> |
| msg | the detail message. |
|---|---|

## Public Methods

#### public [Callback](https://developers.google.com/j2objc/javadoc/jre/reference/javax/security/auth/callback/Callback.html)
**getCallback**
()

Get the unrecognized `Callback`.

<br />

##### Returns

- the unrecognized `Callback`.