private Group getBackingGroup(String groupName) {
try {
return m_groupManager.getGroup(groupName);
} catch (MarshalException e) {
throw new WebRolesException("Error marshalling groups.xml config file", e);
} catch (ValidationException e) {
throw new WebRolesException("Error validating groups.xml config file", e);
} catch (IOException e) {
throw new WebRolesException("Error reading groups.xml config file", e);
}
}
