Serverexport is somewhat error prone due to the subtle behaviour of the cut feature. Hence, it easily happens that links in serverexport files are inconsistent wrt. their path and href values. The behaviour of serverimport in such cases depended on the order in which link source and target were imported, which in turn cannot be controlled, esp. if you import concurrently with the threads option. Sometimes the import succeeded, and sometimes it failed, and the serverimport deleted the apparently broken link.

This works deterministic now, and the links are always preserved if they can be derived from the path value, even if the href value is invalid.

Since we had to change some internal checks, particular inconsistencies in the import set may be reported with different warnings now. You may even see additional warnings, because we do some more checks now. However, the new warnings do not affect the halt-on-error policy. The actual import has not become stricter than before.

(CMS-14166)