In THRIFT-3202[1] a method was dropped (in a bug fix release.. IMHO that method should have been deprecated). Dropping that method prevents a seemless upgrade for Accumulo[2] . This problem made wonder if the Thrift project has any agreed upon API stability guarantees?
[1] : https://issues.apache.org/jira/browse/THRIFT-3202 [2]: https://issues.apache.org/jira/browse/ACCUMULO-4051