| Name | Package | Description |
| FileUploadBase.InvalidContentTypeException | org.apache.commons.fileupload | Thrown to indicate that the request is not a multipart request. |
| FileUploadBase.SizeLimitExceededException | org.apache.commons.fileupload | Thrown to indicate that the request size exceeds the configured maximum. |
| FileUploadBase.UnknownSizeException | org.apache.commons.fileupload | Thrown to indicate that the request size is not specified. |
| FileUploadException | org.apache.commons.fileupload | Exception for errors encountered while processing the request. |
| MultipartStream.IllegalBoundaryException | org.apache.commons.fileupload | Thrown upon attempt of setting an invalid boundary token. |
| MultipartStream.MalformedStreamException | org.apache.commons.fileupload | Thrown to indicate that the input stream fails to follow the
required syntax. |