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Posted to dev@kafka.apache.org by "Adam Bellemare (JIRA)" <ji...@apache.org> on 2018/10/25 18:21:00 UTC
[jira] [Created] (KAFKA-7552) StatefulProcessorNode tries to
connect state store to processor before it is added
Adam Bellemare created KAFKA-7552:
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Summary: StatefulProcessorNode tries to connect state store to processor before it is added
Key: KAFKA-7552
URL: https://issues.apache.org/jira/browse/KAFKA-7552
Project: Kafka
Issue Type: Bug
Components: streams
Affects Versions: 2.0.0, 2.1.0
Reporter: Adam Bellemare
StatefulProcessorNode tries to "connectProcessorAndStateStores" before "addStateStore" is called on the state store. This throws an exception. Current implementations of Kafka Streams do not appear to test for this, nor do any of the kafka streams applications use it. Discovered while looking to use the node for another ticket.
[https://github.com/apache/kafka/blob/trunk/streams/src/main/java/org/apache/kafka/streams/kstream/internals/graph/StatefulProcessorNode.java#L86]
Results in "org.apache.kafka.streams.errors.TopologyException: Invalid topology: StateStore <statestore-name> is not added yet."
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