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ERROR STATES HANDLIG OF WEB SERVICE FOR THERMOCHEMICAL CALCULATIONS

AUTHOR/S: P. HOROVCAK, P. CIRBES, J. TERPAK
Sunday 1 August 2010 by Libadmin2010

10th International Multidisciplinary Scientific GeoConference - SGEM2010, www.sgem.org, SGEM2010 Conference Proceedings/ ISBN 10: 954-91818-1-2, June 20-26, 2010, Vol. 1, 1061-1068 pp

ABSTRACT

The article briefly characterizes a web service for thermochemical calculations in term
of its implementation and provided methods. It specifies web service error conditions
and their dependency on input parameters as well. The article closely deals with a two
approaches aimed at solution of error conditions. The first approach is based on
exception utilization. It defines fault in WSDL file, describes fault structure in XML
schema, creation of exception on the web service side and exception processing on the
client side in different programming languages. The second approach is based on the
indication of error condition in the form of return XML structure. It describes two
variants. First one has two XML structures – one standard message and error message
as second and their processing on the client. Second variant has one XML structure with
permanent indication of successfulness of web service calling and its processing on the
client side. Individual approaches are compared and evaluated.

Keywords: web service, parameters checking, error handling, PHP

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