Symptoms ... Regular expression in XML schema pattern validation fails (libxml bug). ... Violation "XML data does not comply with schema or WSDL document" triggered for SOAP request. ... Impact ... XML WSDL document schema not comply for regular expression range of occurrences. ... Conditions ... ASM process XML regexp such as the following: "[a-z][a-z\-]{0,10}[a-z]". ... Workaround ... Change to an alternative regular expression. ... Fix Information ... Upgrade libxml2 to libxml2-2.7.6-21.el6_8.1 to support XML regexp such as the following: "[a-z][a-z\-]{0,10}[a-z]".