Added in [API level 34](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)  
Also in [S Extensions 7](https://developer.android.com/sdkExtensions) Summary: [Inherited Constants](https://developer.android.com/reference/android/net/http/QuicException#inhconstants) \| [Protected Ctors](https://developer.android.com/reference/android/net/http/QuicException#proctors) \| [Inherited Methods](https://developer.android.com/reference/android/net/http/QuicException#inhmethods)

# QuicException

*** ** * ** ***

` public abstract class QuicException `   
` ` ` ` ` ` ` ` ` ` ` extends https://developer.android.com/reference/android/net/http/NetworkException ` ` `

|---|---|---|---|---|---|---|
| [java.lang.Object](https://developer.android.com/reference/java/lang/Object) |||||||
| ↳ | [java.lang.Throwable](https://developer.android.com/reference/java/lang/Throwable) ||||||
|   | ↳ | [java.lang.Exception](https://developer.android.com/reference/java/lang/Exception) |||||
|   |   | ↳ | [java.io.IOException](https://developer.android.com/reference/java/io/IOException) ||||
|   |   |   | ↳ | [android.net.http.HttpException](https://developer.android.com/reference/android/net/http/HttpException) |||
|   |   |   |   | ↳ | [android.net.http.NetworkException](https://developer.android.com/reference/android/net/http/NetworkException) ||
|   |   |   |   |   | ↳ | android.net.http.QuicException |

<br />

*** ** * ** ***

Subclass of `https://developer.android.com/reference/android/net/http/NetworkException` which contains a detailed [QUIC](https://www.chromium.org/quic) error code from [QuicErrorCode](https://cs.chromium.org/search/?q=symbol:%5CbQuicErrorCode%5Cb). An instance of `QuicException` is passed to `onFailed` callbacks when the error code is `https://developer.android.com/reference/android/net/http/NetworkException#ERROR_QUIC_PROTOCOL_FAILED`.

## Summary

### Inherited constants

From class `https://developer.android.com/reference/android/net/http/NetworkException` `int` `https://developer.android.com/reference/android/net/http/NetworkException#ERROR_ADDRESS_UNREACHABLE`

Error code indicating the IP address being contacted is unreachable, meaning there is no route to the specified host or network.
`int` `https://developer.android.com/reference/android/net/http/NetworkException#ERROR_CONNECTION_CLOSED`

Error code indicating the connection was closed unexpectedly.
`int` `https://developer.android.com/reference/android/net/http/NetworkException#ERROR_CONNECTION_REFUSED`

Error code indicating the connection attempt was refused.
`int` `https://developer.android.com/reference/android/net/http/NetworkException#ERROR_CONNECTION_RESET`

Error code indicating the connection was unexpectedly reset.
`int` `https://developer.android.com/reference/android/net/http/NetworkException#ERROR_CONNECTION_TIMED_OUT`

Error code indicating the connection attempt timed out.
`int` `https://developer.android.com/reference/android/net/http/NetworkException#ERROR_HOSTNAME_NOT_RESOLVED`

Error code indicating the host being sent the request could not be resolved to an IP address.
`int` `https://developer.android.com/reference/android/net/http/NetworkException#ERROR_INTERNET_DISCONNECTED`

Error code indicating the device was not connected to any network.
`int` `https://developer.android.com/reference/android/net/http/NetworkException#ERROR_NETWORK_CHANGED`

Error code indicating that as the request was processed the network configuration changed.
`int` `https://developer.android.com/reference/android/net/http/NetworkException#ERROR_OTHER`

Error code indicating another type of error was encountered.
`int` `https://developer.android.com/reference/android/net/http/NetworkException#ERROR_QUIC_PROTOCOL_FAILED`

Error code indicating an error related to the [QUIC](https://www.chromium.org/quic) protocol.
`int` `https://developer.android.com/reference/android/net/http/NetworkException#ERROR_TIMED_OUT`

Error code indicating a timeout expired.

| ### Protected constructors ||
|---|---|
| ` https://developer.android.com/reference/android/net/http/QuicException#QuicException(java.lang.String,%20java.lang.Throwable)(https://developer.android.com/reference/java/lang/String message, https://developer.android.com/reference/java/lang/Throwable cause) ` Constructs an exception that is caused by a QUIC protocol error. |

### Inherited methods

From class ` https://developer.android.com/reference/android/net/http/NetworkException ` ` abstract int` ` https://developer.android.com/reference/android/net/http/NetworkException#getErrorCode()() `

Returns error code, one of `https://developer.android.com/reference/android/net/http/NetworkException#ERROR_HOSTNAME_NOT_RESOLVED`.
` abstract boolean` ` https://developer.android.com/reference/android/net/http/NetworkException#isImmediatelyRetryable()() `

Returns `true` if retrying this request right away might succeed, `false` otherwise.
From class ` https://developer.android.com/reference/java/lang/Throwable ` ` final void` ` https://developer.android.com/reference/java/lang/Throwable#addSuppressed(java.lang.Throwable)(https://developer.android.com/reference/java/lang/Throwable exception) `

Appends the specified exception to the exceptions that were suppressed in order to deliver this exception.
` https://developer.android.com/reference/java/lang/Throwable` ` https://developer.android.com/reference/java/lang/Throwable#fillInStackTrace()() `

Fills in the execution stack trace.
` https://developer.android.com/reference/java/lang/Throwable` ` https://developer.android.com/reference/java/lang/Throwable#getCause()() `

Returns the cause of this throwable or `null` if the cause is nonexistent or unknown.
` https://developer.android.com/reference/java/lang/String` ` https://developer.android.com/reference/java/lang/Throwable#getLocalizedMessage()() `

Creates a localized description of this throwable.
` https://developer.android.com/reference/java/lang/String` ` https://developer.android.com/reference/java/lang/Throwable#getMessage()() `

Returns the detail message string of this throwable.
` https://developer.android.com/reference/java/lang/StackTraceElement` ` https://developer.android.com/reference/java/lang/Throwable#getStackTrace()() `

Provides programmatic access to the stack trace information printed by `https://developer.android.com/reference/java/lang/Throwable#printStackTrace()`.
` final https://developer.android.com/reference/java/lang/Throwable` ` https://developer.android.com/reference/java/lang/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.
` https://developer.android.com/reference/java/lang/Throwable` ` https://developer.android.com/reference/java/lang/Throwable#initCause(java.lang.Throwable)(https://developer.android.com/reference/java/lang/Throwable cause) `

Initializes the *cause* of this throwable to the specified value.
` void` ` https://developer.android.com/reference/java/lang/Throwable#printStackTrace()() `

Prints this throwable and its backtrace to the standard error stream.
` void` ` https://developer.android.com/reference/java/lang/Throwable#printStackTrace(java.io.PrintWriter)(https://developer.android.com/reference/java/io/PrintWriter s) `

Prints this throwable and its backtrace to the specified print writer.
` void` ` https://developer.android.com/reference/java/lang/Throwable#printStackTrace(java.io.PrintStream)(https://developer.android.com/reference/java/io/PrintStream s) `

Prints this throwable and its backtrace to the specified print stream.
` void` ` https://developer.android.com/reference/java/lang/Throwable#setStackTrace(java.lang.StackTraceElement[])(https://developer.android.com/reference/java/lang/StackTraceElement stackTrace) `

Sets the stack trace elements that will be returned by `https://developer.android.com/reference/java/lang/Throwable#getStackTrace()` and printed by `https://developer.android.com/reference/java/lang/Throwable#printStackTrace()` and related methods.
` https://developer.android.com/reference/java/lang/String` ` https://developer.android.com/reference/java/lang/Throwable#toString()() `

Returns a short description of this throwable.
From class ` https://developer.android.com/reference/java/lang/Object ` ` https://developer.android.com/reference/java/lang/Object` ` https://developer.android.com/reference/java/lang/Object#clone()() `

Creates and returns a copy of this object.
` boolean` ` https://developer.android.com/reference/java/lang/Object#equals(java.lang.Object)(https://developer.android.com/reference/java/lang/Object obj) `

Indicates whether some other object is "equal to" this one.
` void` ` https://developer.android.com/reference/java/lang/Object#finalize()() `

Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
` final https://developer.android.com/reference/java/lang/Class<?>` ` https://developer.android.com/reference/java/lang/Object#getClass()() `

Returns the runtime class of this `Object`.
` int` ` https://developer.android.com/reference/java/lang/Object#hashCode()() `

Returns a hash code value for the object.
` final void` ` https://developer.android.com/reference/java/lang/Object#notify()() `

Wakes up a single thread that is waiting on this object's monitor.
` final void` ` https://developer.android.com/reference/java/lang/Object#notifyAll()() `

Wakes up all threads that are waiting on this object's monitor.
` https://developer.android.com/reference/java/lang/String` ` https://developer.android.com/reference/java/lang/Object#toString()() `

Returns a string representation of the object.
` final void` ` https://developer.android.com/reference/java/lang/Object#wait(long,%20int)(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.
` final void` ` https://developer.android.com/reference/java/lang/Object#wait(long)(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` ` https://developer.android.com/reference/java/lang/Object#wait()() `

Causes the current thread to wait until it is awakened, typically by being *notified* or *interrupted*.

## Protected constructors

### QuicException

Added in [API level 34](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)  
Also in [S Extensions 7](https://developer.android.com/sdkExtensions)

```
protected QuicException (String message, 
                Throwable cause)
```

Constructs an exception that is caused by a QUIC protocol error.

<br />

| Parameters ||
|---|---|
| `message` | `String`: explanation of failure. This value may be `null`. <br /> |
| `cause` | `Throwable`: the cause (which is saved for later retrieval by the `https://developer.android.com/reference/java/lang/Throwable#getCause()` method). A null value is permitted, and indicates that the cause is nonexistent or unknown. <br /> |