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24.2. RESTEasy Built-in Internally-Thrown Exceptions
RESTEasy has a set of built-in exceptions that are thrown when an error is encountered during dispatching or marshalling. Each exception matches a specific HTTP error code. The full list is available in the RESTEasy Java Documentation, under the
org.jboss.resteasy.spi package. The following table lists the most common exceptions:
| Exception | HTTP Code | Description |
|---|---|---|
BadRequestException | 400 | Bad Request. Request was not formatted correctly or there was a problem processing request input. |
UnauthorizedException | 401 | Unauthorized. Security exception thrown if you use RESTEasy's simple annotation- and role-based security. |
InternalServerError Exception | 500 | Internal Server Error. |
MethodNotAllowed Exception | 405 | Method Not Allowed. There is no JAX-RS method for the resource that can handle the invoked HTTP operation. |
NotAcceptableException | 406 | Not Acceptable. There is no JAX-RS method that can produce the media types listed in the Accept header. |
NotFoundException | 404 | Not Found. There is no JAX-RS method that serves the request path/resource. |
Failure | N/A | Internal RESTEasy. Not logged. |
LoggableFailure | N/A | Internal RESTEasy error. Logged. |
DefaultOptionsMethod Exception | N/A | If the user invokes HTTP OPTIONS without a JAX-RS method, RESTEasy provides a default behavior by throwing this exception. |
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