Streams - Manage Json SerDe error

2016-07-04 Thread Gaspar Muñoz
Hi there, my question is about Kafka Streams. I'm writting an application using Streams. I read JSON from Kafka topic and I make some transformations. I'm using Serde jsonNodeSerder = Serdes.serdeFrom(new JsonSerializer(), new JsonDeserializer()); KStream kStream = builder.stream(Serdes.String()

Re: Kafka Streams: KStream - KTable Left Join

2016-05-05 Thread Gaspar Muñoz
ugh(...) to get a valid partitioning: > >> > >> KStream dataStream = builder.stream(...).map(...).through(...); > >> > >> Afterward, your join should work. > >> > >> -Matthias > >> > >> > &

Kafka Streams: KStream - KTable Left Join

2016-05-04 Thread Gaspar Muñoz
ption. if (thisSourceNodes == null || otherSourceNodes == null) throw new TopologyBuilderException(this.name + " and " + other.name + " are not joinable"); The question is, how can I change the key without lose parent data in order to perform a join with KTable after that?