Article ID: 8752, created on Aug 16, 2010, last review on Aug 12, 2014

  • Applies to:
  • Plesk 9.x for Linux/Unix

Symptoms

Migration from Parallels Plesk Panel version 7.5 to Parallels Plesk Panel version 9.3 fails with the the error:
<execution-result status="error"><message code="InternalDtdValidationFailed" severity="error"><context>void plesk::validateSchema(plesk::tXmlDocument&, const std::string&)</context><file>./xml_parse.cpp</file><line>412</line><text>Failed validation of the document with its internal DTD. The errors are: Element 'mailuser': The attribute 'guid' is required but missing.Element 'mailuser': The attribute 'guid' is required but missing.Element 'mailuser': The attribute 'guid' is required but missing.Element 'mailuser': The attribute 'guid' is required but missing.Element 'mailuser': The attribute 'guid' is required but missing.Element 'mailuser': The attribute 'guid' is required but missing.Element 'mailuser': The attribute 'guid' is required but missing.Element 'mailuser': The attribute 'guid' is required but missing.Element 'mailuser': The attribute 'guid' is required but missing.Element 'mailuser': The attribute 'guid' is required but missing.Element 'mailuser': The attribute 'guid' is required but missing..</text>


XML validation also shows similar error. Please review article #6080 about backup file validation.
# xmllint --noout --schema /usr/local/psa/PMM/plesk.xsd /usr/local/psa/PMM/msessions/20100720181814804/dump.xml
/usr/local/psa/PMM/msessions/20100720181814804/dump.xml:4: element client: Schemas validity error : Element 'client': The attribute 'guid' is required but missing.
/usr/local/psa/PMM/msessions/20100720181814804/dump.xml:393: element domain: Schemas validity error : Element 'domain': The attribute 'guid' is required but missing.

Resolution

This migration error was fixed in Parallels Plesk Panel 9.5.

In order to perform migration, it is necessary to upgrade Plesk to version 9.5.

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