Nicolas Fouché nfo
nfo
/ RoutingTopology.java
Last active
April 26, 2017 10:20
Kafka Streams: Calling series `KStream.branch()` to route records to n topics
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| KStream<Key, Value>[] branches = stream.branch((k, v) -> v.getType().equals("abc")); | |
| branches[0].to(keySerde, valueSerde, "topic-abc"); | |
| branches = branches[1].branch((k, v) -> v.getType().equals("def")); | |
| branches[0].to(keySerde, valueSerde, "topic-def"); | |
| branches = branches[1].branch((k, v) -> v.getType().equals("ghi")); | |
| branches[0].to(keySerde, valueSerde, "topic-ghi"); | |
| // .... |
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| Exception in thread "StreamThread-1" org.apache.kafka.streams.errors.StreamsException: Exception caught in process. taskId=0_23, processor=KSTREAM-SOURCE-0000000000, topic=abc, partition=23, offset=388592 | |
| at org.apache.kafka.streams.processor.internals.StreamTask.process(StreamTask.java:216) | |
| at org.apache.kafka.streams.processor.internals.StreamThread.runLoop(StreamThread.java:641) | |
| at org.apache.kafka.streams.processor.internals.StreamThread.run(StreamThread.java:368) | |
| Caused by: org.apache.kafka.streams.errors.StreamsException: task [0_23] exception caught when producing | |
| at org.apache.kafka.streams.processor.internals.RecordCollectorImpl.checkForException(RecordCollectorImpl.java:119) | |
| at org.apache.kafka.streams.processor.internals.RecordCollectorImpl.send(RecordCollectorImpl.java:76) | |
| at org.apache.kafka.streams.processor.internals.SinkNode.process(SinkNode.java:79) | |
| at org.apache.kafka.streams.processor.internals.ProcessorContextImpl.forward(ProcessorContextImpl.java:83) | |
| at org.apache.kafka.streams.ks |
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