# Class StructureViolationException

java.lang.Object
java.lang.Throwable
java.lang.Exception
java.lang.RuntimeException
java.util.concurrent.StructureViolationException

All Implemented Interfaces:
  `Serializable`

public final class StructureViolationException extends RuntimeException
`StructureViolationException` is a preview API of the Java platform.
Programs can only use `StructureViolationException` when preview features are enabled.
Preview features may be removed in a future release, or upgraded to permanent features of the Java platform.
Thrown when a structure violation is detected.

Since:
  21
See Also:
  - `StructuredTaskScope.close()`PREVIEW
  - Serialized Form

## Constructor Summary

Constructors
Constructor
Description
`StructureViolationException()`
Constructs a `StructureViolationException` with no detail message.
`StructureViolationException(String message)`
Constructs a `StructureViolationException` with the specified detail message.

## Method Summary

### Methods declared in class Throwable

`addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString`

### Methods declared in class Object

`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

## Constructor Details

### StructureViolationException

public StructureViolationException()
Constructs a `StructureViolationException` with no detail message.

### StructureViolationException

public StructureViolationException(String message)
Constructs a `StructureViolationException` with the specified detail message.

Parameters:
  `message` - the detail message, can be null