# Class DatatypeException

java.lang.Object
java.lang.Throwable
java.lang.Exception
org.relaxng.datatype.DatatypeException

All Implemented Interfaces:
  `Serializable`

public class DatatypeException extends Exception
Signals Datatype related exceptions.

Author:
  James Clark, Kohsuke KAWAGUCHI
See Also:
  - Serialized Form

## Field Summary

Fields
Modifier and Type
Field
Description
`static final int`
`UNKNOWN`

## Constructor Summary

Constructors
Constructor
Description
`DatatypeException()`
A constructor for those datatype libraries which don't support any diagnostic information at all.
`DatatypeException(int index, String msg)`
`DatatypeException(String msg)`

## Method Summary

Modifier and Type
Method
Description
`int`
`getIndex()`
Gets the index of the content where the error occurred.

### Methods inherited from class java.lang.Throwable

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

### Methods inherited from class java.lang.Object

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

## Field Details

### UNKNOWN

public static final int UNKNOWN

See Also:
  - Constant Field Values

## Constructor Details

### DatatypeException

public DatatypeException(int index, String msg)

### DatatypeException

public DatatypeException(String msg)

### DatatypeException

public DatatypeException()
A constructor for those datatype libraries which don't support any diagnostic information at all.

## Method Details

### getIndex

public int getIndex()
Gets the index of the content where the error occurred. UNKNOWN can be returned to indicate that no index information is available.