11. A system to configure an application server for XML applications, comprising: a delegation layer on an application server that is transparent to the XML applications, wherein at least one of the XML applications invokes one or more XML parsing operations, and wherein the delegation layer delegates the one or more XML parsing operations to one of a plurality of parsers that are associated with the delegation layer; and a re-parsing mechanism that is plugged into the delegation layer, and the re-parsing mechanism to perform, retrieving a local copy of a document type definition (DTD) file or a schema (XSD) file from a local cache of the application server; performing the one or more XML parsing operations based on the local copy; retrieving an updated copy of the document type definition (DTD) file or the schema (XSD) file from a remote application server, if an error is detected during the one or more XML parsing operations based on the local copy; and performing the one or more XML parsing operations again based on the updated copy.
11. A system to configure an application server for XML applications, comprising: a delegation layer on an application server that is transparent to the XML applications, wherein at least one of the XML applications invokes one or more XML parsing operations, and wherein the delegation layer delegates the one or more XML parsing operations to one of a plurality of parsers that are associated with the delegation layer; and a re-parsing mechanism that is plugged into the delegation layer, and the re-parsing mechanism to perform, retrieving a local copy of a document type definition (DTD) file or a schema (XSD) file from a local cache of the application server; performing the one or more XML parsing operations based on the local copy; retrieving an updated copy of the document type definition (DTD) file or the schema (XSD) file from a remote application server, if an error is detected during the one or more XML parsing operations based on the local copy; and performing the one or more XML parsing operations again based on the updated copy. 16. The system according to claim 11 , wherein: the re-parsing mechanism can further perform repeating multiple parsing processes.