Thanks Frederic for reporting the issue, I think it is indeed a missing piece that can be added.
Would you mind creating a JIRA for this issue? Guozhang On Wed, Apr 4, 2018 at 8:17 AM, Ted Yu <yuzhih...@gmail.com> wrote: > You saw the error because TopologyTestDriverTest doesn't explicitly call > MockProducer#initTransactions(). > > To do that, TopologyTestDriver needs to expose such method to the > TopologyTestDriverTest. > > You can log a JIRA if you think adding such capability is needed. > > Cheers > > On Wed, Apr 4, 2018 at 3:03 AM, Frederic Arno <frederica...@gmail.com> > wrote: > > > Hello, > > > > I can't successfully test my processing application which require > > EXACTLY_ONCE processing guarantee using the new TopologyTestDriver. I > > always get the following exception: > > java.lang.IllegalStateException: MockProducer hasn't been initialized > for > > transactions > > > > The tests all work fine as soon as I set PROCESSING_GUARANTEE_CONFIG to > > AT_LEAST_ONCE. > > > > Am I doing something wrong? > > > > Kafka developpers can reproduce this by adding: > > put(StreamsConfig.PROCESSING_GUARANTEE_CONFIG, > > StreamsConfig.EXACTLY_ONCE); > > > > to line 88 of TopologyTestDriverTest: streams/test-utils/src/test/ja > > va/org/apache/kafka/streams/TopologyTestDriverTest.java > > > > Thanks, Fred > > > -- -- Guozhang
