| Name | Description | Type | Package | Framework |
| AttributesProxy | Wraps XMLAttributes and makes it look like AttributeList and Attributes. | Class | sun.org.apache.xerces.internal.util | Code Trails |
| AugmentationsImpl | This class provides an implementation for Augmentations interface. | Class | sun.org.apache.xerces.internal.util | Code Trails |
| ConfigurationError | A configuration error. | Class | sun.org.apache.xerces.internal.utils | Code Trails |
| DatatypeMessageFormatter | Used to format JAXP 1. | Class | sun.org.apache.xerces.internal.util | Code Trails |
| DefaultErrorHandler | Default error handler. | Class | sun.org.apache.xerces.internal.util | Code Trails |
| DOMEntityResolverWrapper | This class wraps DOM entity resolver to XNI entity resolver. | Class | sun.org.apache.xerces.internal.util | Code Trails |
| DOMErrorHandlerWrapper | This class handles DOM errors . | Class | sun.org.apache.xerces.internal.util | Code Trails |
| DOMErrorHandlerWrapper .DOMErrorTypeMap | A convenience class for converting between internal error codes and DOM error types. | Class | sun.org.apache.xerces.internal.util.DOMErrorHandlerWrapper | Code Trails |
| DOMInputSource | An XMLInputSource analogue to javax. | Class | sun.org.apache.xerces.internal.util | Code Trails |
| DOMUtil | Some useful utility methods. | Class | sun.org.apache.xerces.internal.util | Code Trails |
| DOMUtil .ThrowableMethods | Class | sun.org.apache.xerces.internal.util.DOMUtil | Code Trails | |
| DraconianErrorHandler | ErrorHandler that throws all errors and fatal errors. | Class | sun.org.apache.xerces.internal.util | Code Trails |