org.apache.commons.math3.exception

## Class MathIllegalStateException

- java.lang.Object
- - java.lang.Throwable
  - - java.lang.Exception
    - - java.lang.RuntimeException
      - - java.lang.IllegalStateException
        - - org.apache.commons.math3.exception.MathIllegalStateException

All Implemented Interfaces:
  java.io.Serializable, ExceptionContextProvider

Direct Known Subclasses:
  CardanEulerSingularityException, ConvergenceException, MathInternalError, MathParseException, MaxCountExceededException, NoFeasibleSolutionException, NoFeasibleSolutionException, UnboundedSolutionException, UnboundedSolutionException

    public class MathIllegalStateException
    extends java.lang.IllegalStateException
    implements ExceptionContextProvider

Base class for all exceptions that signal a mismatch between the current state and the user's expectations.

Since:
  2.2
Version:
  $Id: MathIllegalStateException.java 1364378 2012-07-22 17:42:38Z tn $
See Also:
  Serialized Form

### Field Summary

Fields
`private ExceptionContext` `context` Context.
`private static long` `serialVersionUID` Serializable version Id.

### Constructor Summary

Constructors
Constructor and Description
`MathIllegalStateException()` Default constructor.
`MathIllegalStateException(Localizable pattern, java.lang.Object... args)` Simple constructor.
`MathIllegalStateException(java.lang.Throwable cause, Localizable pattern, java.lang.Object... args)` Simple constructor.

### Method Summary

Methods
`ExceptionContext` `getContext()` Gets a reference to the "rich context" data structure that allows to customize error messages and store key, value pairs in exceptions.
`java.lang.String` `getLocalizedMessage()`
`java.lang.String` `getMessage()`

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

`fillInStackTrace, getCause, getStackTrace, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString`

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

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

### Field Detail

#### serialVersionUID

    private static final long serialVersionUID

Serializable version Id.

See Also:
  Constant Field Values

#### context

    private final ExceptionContext context

Context.

### Constructor Detail

#### MathIllegalStateException

    public MathIllegalStateException(Localizable pattern,
                             java.lang.Object... args)

Simple constructor.

Parameters:
  `pattern` - Message pattern explaining the cause of the error.
  `args` - Arguments.

#### MathIllegalStateException

    public MathIllegalStateException(java.lang.Throwable cause,
                             Localizable pattern,
                             java.lang.Object... args)

Simple constructor.

Parameters:
  `cause` - Root cause.
  `pattern` - Message pattern explaining the cause of the error.
  `args` - Arguments.

#### MathIllegalStateException

    public MathIllegalStateException()

Default constructor.

### Method Detail

#### getContext

    public ExceptionContext getContext()

Gets a reference to the "rich context" data structure that allows to customize error messages and store key, value pairs in exceptions.

Specified by:
  `getContext` in interface `ExceptionContextProvider`
Returns:
  a reference to the exception context.

#### getMessage

    public java.lang.String getMessage()

Overrides:
  `getMessage` in class `java.lang.Throwable`

#### getLocalizedMessage

    public java.lang.String getLocalizedMessage()

Overrides:
  `getLocalizedMessage` in class `java.lang.Throwable`