# 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.