[snip] > https://github.com/apache/accumulo/blob/f81a8ec7410e789d11941351d5899b8894c6a322/core/src/main/java/org/apache/accumulo/core/client/mapreduce/lib/impl/ConfiguratorBase.java#L485-L500 > > This pulls the "DelegationTokenStub" out of the InputFormat and creates a > real Accumulo AuthenticationToken (which you can use with a Connector > per-usual).
Brilliant - that's it! Now my custom InputFormat is working. Thanks ever so much for your help - it is hugely appreciated! James
