## Uses of Class
org.apache.tapestry5.commons.internal.util.TapestryException

- Packages that use TapestryException
  Package | Description
  --- | ---
  org.apache.tapestry5.commons.util |
  org.apache.tapestry5.internal | [INTERNAL USE ONLY] internal support classes; API subject to change.
  org.apache.tapestry5.internal.services | [INTERNAL USE ONLY] internal service classes; API subject to change
  org.apache.tapestry5.ioc.internal | [INTERNAL USE ONLY] Tapestry IOC implementation details; API subject to change.
  org.apache.tapestry5.runtime | Contains interfaces that are added to component classes at runtime.

- - ### Uses of TapestryException in org.apache.tapestry5.commons.util

    Subclasses of TapestryException in org.apache.tapestry5.commons.util
    Modifier and Type | Class | Description
    --- | --- | ---
    `class` | `CoercionFailedException` | Exception used when a `Coercion` throws an exception while trying to coerce a value.
    `class` | `CoercionNotFoundException` | Exception used when `TypeCoercer` doesn't find a coercion from a type to another.
    `class` | `DifferentClassVersionsException` | Exception used when trying to assemble a page but different versions of the same class are found.
    `class` | `UnknownValueException` | Special exception used when a value (typically from a map) is referenced that does not exist.

  - ### Uses of TapestryException in org.apache.tapestry5.internal

    Subclasses of TapestryException in org.apache.tapestry5.internal
    Modifier and Type | Class | Description
    --- | --- | ---
    `class` | `FormsRequirePostException` | Exception thrown by Tapestry's `Form` component when the request method is other than POST.

  - ### Uses of TapestryException in org.apache.tapestry5.internal.services

    Subclasses of TapestryException in org.apache.tapestry5.internal.services
    Modifier and Type | Class | Description
    --- | --- | ---
    `class` | `RenderQueueException` | Exception used when rendering, to capture the stack of active components (for propery reporting in the exception page).

  - ### Uses of TapestryException in org.apache.tapestry5.ioc.internal

    Subclasses of TapestryException in org.apache.tapestry5.ioc.internal
    Modifier and Type | Class | Description
    --- | --- | ---
    `class` | `OperationException` | An exception caught and reported by an `OperationTracker`; the trace property identifies what operations were active at the time of the exception.

  - ### Uses of TapestryException in org.apache.tapestry5.runtime

    Subclasses of TapestryException in org.apache.tapestry5.runtime
    Modifier and Type | Class | Description
    --- | --- | ---
    `class` | `ComponentEventException` | A wrapper exception around any exception thrown when invoking a component event handler.