# com.bea.wlw.netui.pageflow
EmptyNestingStackException Class

public class EmptyNestingStackException
extends `PageFlowException`

Exception that occurs when the user invokes an action in a nested page flow that is qualified with a `@jpf:forward return-action="`action-name-in-calling-pageflow `"` annotation, but there is no calling page flow. This can happen in iterative development mode when you have modified files and caused the web application to be redeployed, or when the session expires.

Hierarchy
  `Object`
  `Throwable`
  `Exception`
  `RuntimeException`
  `PageFlowException`
  `EmptyNestingStackException`

All Implemented Interfaces
  `Serializable`

## Constructor Summary

EmptyNestingStackException(`String` actionName, `FlowController` fc)

## Method Summary

`protected `Object`[]` | `getMessageArgs`()
`protected `String`[]` | `getMessageParts`()

Methods from `com.bea.wlw.netui.pageflow.`PageFlowException``
``getActionName`, `getFlowController`, `getFlowControllerURI`, `getLocalizedMessage`, `getMessage`, `printError`, `sendError``

Methods from `java.lang.`Throwable``
`fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString`

Methods from class `java.lang.`Object``
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

## Constructor Detail

### EmptyNestingStackException

    public EmptyNestingStackException(String actionName,
                                      FlowController fc)

## Method Detail

### getMessageArgs() Method

    protected Object[] getMessageArgs()

Overrides
  `PageFlowException.getMessageArgs()`

### getMessageParts() Method

    protected String[] getMessageParts()

Overrides
  `PageFlowException.getMessageParts()`