# UnknownServiceException

Added in[API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)

# UnknownServiceException

```
open class UnknownServiceException : IOException
```

|---|---|---|---|----------------------------------------------------------------------------------------------------------------------|
| [kotlin.Any](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-any/index.html)                                                |||||
| ↳ | [kotlin.Throwable](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-throwable/index.html)                                 ||||
|   | ↳ | [java.lang.Exception](https://developer.android.com/reference/kotlin/java/lang/Exception.html#)                            |||
|   |   | ↳ | [java.io.IOException](https://developer.android.com/reference/kotlin/java/io/IOException.html#)                         ||
|   |   |   | ↳ | [java.net.UnknownServiceException](https://developer.android.com/reference/kotlin/java/net/UnknownServiceException#) |

Thrown to indicate that an unknown service exception has occurred. Either the MIME type returned by a URL connection does not make sense, or the application is attempting to write to a read-only URL connection.

## Summary

|                                                                                                                                                      Public constructors                                                                                                                                                       ||
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---|
| [UnknownServiceException](https://developer.android.com/reference/kotlin/java/net/UnknownServiceException#UnknownServiceException())`()` Constructs a new`UnknownServiceException`with no detail message.                                                                                                                   |
| [UnknownServiceException](https://developer.android.com/reference/kotlin/java/net/UnknownServiceException#UnknownServiceException(kotlin.String))`(`msg:` `[String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)!`)` Constructs a new`UnknownServiceException`with the specified detail message. |

## Public constructors

### UnknownServiceException

Added in[API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)  

```
UnknownServiceException()
```

Constructs a new`UnknownServiceException`with no detail message.  

### UnknownServiceException

Added in[API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)  

```
UnknownServiceException(msg: String!)
```

Constructs a new`UnknownServiceException`with the specified detail message.

|                                                  Parameters                                                  ||
|-------|-------------------------------------------------------------------------------------------------------|
| `msg` | [String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)!:the detail message. |