Alex Grönholm a écrit :
Xerces is used at least in expat and (indirectly) in ElementTree for XML
During the implementation of the expat module, I ran into bugs of the
default java XML Reader (resolveEntity and skippedEntity issues).
Those bugs were solved when a recent (2.9.1) version of Xerces was used

Have these bugs been fixed in OpenJDK?
Philip Jenvey looked into this, his findings are summarized here: