All Implemented Interfaces:

java.io.Serializable
```
public class MqttException
extends Exception
                    
```
Thrown if an error occurs communicating with the server.

Field Summary

Fields
Modifier and Type	Field	Description
`public final static short`	`REASON_CODE_CLIENT_EXCEPTION`
`public final static short`	`REASON_CODE_INVALID_PROTOCOL_VERSION`
`public final static short`	`REASON_CODE_INVALID_CLIENT_ID`
`public final static short`	`REASON_CODE_BROKER_UNAVAILABLE`
`public final static short`	`REASON_CODE_FAILED_AUTHENTICATION`
`public final static short`	`REASON_CODE_NOT_AUTHORIZED`
`public final static short`	`REASON_CODE_UNEXPECTED_ERROR`
`public final static short`	`REASON_CODE_CLIENT_TIMEOUT`
`public final static short`	`REASON_CODE_NO_MESSAGE_IDS_AVAILABLE`
`public final static short`	`REASON_CODE_CLIENT_CONNECTED`
`public final static short`	`REASON_CODE_CLIENT_ALREADY_DISCONNECTED`
`public final static short`	`REASON_CODE_CLIENT_DISCONNECTING`
`public final static short`	`REASON_CODE_SERVER_CONNECT_ERROR`
`public final static short`	`REASON_CODE_CLIENT_NOT_CONNECTED`
`public final static short`	`REASON_CODE_SOCKET_FACTORY_MISMATCH`
`public final static short`	`REASON_CODE_SSL_CONFIG_ERROR`
`public final static short`	`REASON_CODE_CLIENT_DISCONNECT_PROHIBITED`
`public final static short`	`REASON_CODE_INVALID_MESSAGE`
`public final static short`	`REASON_CODE_CONNECTION_LOST`
`public final static short`	`REASON_CODE_CONNECT_IN_PROGRESS`
`public final static short`	`REASON_CODE_CLIENT_CLOSED`
`public final static short`	`REASON_CODE_TOKEN_INUSE`
`public final static short`	`REASON_CODE_MAX_INFLIGHT`
`public final static short`	`REASON_CODE_DISCONNECTED_BUFFER_FULL`
`private int`	`reasonCode`
`private Throwable`	`cause`

Constructor Summary

Constructors
Constructor	Description
`MqttException(int reasonCode)`	Constructs a new `MqttException` with the specified code as the underlying reason.
`MqttException(Throwable cause)`	Constructs a new `MqttException` with the specified `Throwable` as the underlying reason.
`MqttException(int reason, Throwable cause)`	Constructs a new `MqttException` with the specified `Throwable` as the underlying reason.

Method Summary

Modifier and Type	Method	Description
`int`	`getReasonCode()`	Returns the reason code for this exception.
`Throwable`	`getCause()`	Returns the underlying cause of this exception, if available.
`String`	`getMessage()`	Returns the detail message for this exception.
`String`	`toString()`	Returns a `String` representation of this exception.

Methods inherited from class java.lang.Throwable
addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getStackTrace, getSuppressed, initCause, printStackTrace, setStackTrace
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - MqttException
```
MqttException(int reasonCode)
```
    Constructs a new MqttException with the specified code as the underlying reason.
    
    Parameters:
    
    reasonCode - the reason code for the exception.
  - MqttException
```
MqttException(Throwable cause)
```
    Constructs a new MqttException with the specified Throwable as the underlying reason.
    
    Parameters:
    
    cause - the underlying cause of the exception.
  - MqttException
```
MqttException(int reason, Throwable cause)
```
    Constructs a new MqttException with the specified Throwable as the underlying reason.
    
    Parameters:
    
    reason - the reason code for the exception.
    
    cause - the underlying cause of the exception.
- Method Detail
  - getReasonCode
```
 int getReasonCode()
```
    Returns the reason code for this exception.
  - getCause
```
 Throwable getCause()
```
    Returns the underlying cause of this exception, if available.
  - getMessage
```
 String getMessage()
```
    Returns the detail message for this exception.
  - toString
```
 String toString()
```
    Returns a String representation of this exception.

Class MqttException

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Throwable

Methods inherited from class java.lang.Object

Constructor Detail

MqttException

MqttException

MqttException

Method Detail

getReasonCode

getCause

getMessage

toString