loicgreffier opened a new pull request, #16684: URL: https://github.com/apache/kafka/pull/16684
@cadonna @mjsax After https://github.com/apache/kafka/pull/16093 has been merged, there is a scenario where processing exception handling ends with `NullPointerException`: ```java Caused by: java.lang.NullPointerException: Cannot invoke "org.apache.kafka.clients.consumer.ConsumerRecord.key()" because the return value of "org.apache.kafka.streams.processor.internals.ProcessorRecordContext.rawRecord()" is null at org.apache.kafka.streams.processor.internals.ProcessorNode.process(ProcessorNode.java:212) ~[kafka-streams-3.9.0-SNAPSHOT.jar:na] at org.apache.kafka.streams.processor.internals.ProcessorContextImpl.forwardInternal(ProcessorContextImpl.java:292) ~[kafka-streams-3.9.0-SNAPSHOT.jar:na] at org.apache.kafka.streams.processor.internals.ProcessorContextImpl.forward(ProcessorContextImpl.java:271) ~[kafka-streams-3.9.0-SNAPSHOT.jar:na] at org.apache.kafka.streams.processor.internals.ProcessorContextImpl.forward(ProcessorContextImpl.java:229) ~[kafka-streams-3.9.0-SNAPSHOT.jar:na] at org.apache.kafka.streams.kstream.internals.TimestampedCacheFlushListener.apply(TimestampedCacheFlushListener.java:45) ~[kafka-streams-3.9.0-SNAPSHOT.jar:na] at org.apache.kafka.streams.state.internals.MeteredWindowStore.lambda$setFlushListener$6(MeteredWindowStore.java:190) ~[kafka-streams-3.9.0-SNAPSHOT.jar:na] at org.apache.kafka.streams.state.internals.CachingWindowStore.putAndMaybeForward(CachingWindowStore.java:125) ~[kafka-streams-3.9.0-SNAPSHOT.jar:na] at org.apache.kafka.streams.state.internals.CachingWindowStore.lambda$initInternal$0(CachingWindowStore.java:100) ~[kafka-streams-3.9.0-SNAPSHOT.jar:na] at org.apache.kafka.streams.state.internals.NamedCache.flush(NamedCache.java:159) ~[kafka-streams-3.9.0-SNAPSHOT.jar:na] at org.apache.kafka.streams.state.internals.NamedCache.flush(NamedCache.java:117) ~[kafka-streams-3.9.0-SNAPSHOT.jar:na] at org.apache.kafka.streams.state.internals.ThreadCache.flush(ThreadCache.java:148) ~[kafka-streams-3.9.0-SNAPSHOT.jar:na] at org.apache.kafka.streams.state.internals.CachingWindowStore.flushCache(CachingWindowStore.java:426) ~[kafka-streams-3.9.0-SNAPSHOT.jar:na] at org.apache.kafka.streams.state.internals.WrappedStateStore.flushCache(WrappedStateStore.java:87) ~[kafka-streams-3.9.0-SNAPSHOT.jar:na] at org.apache.kafka.streams.processor.internals.ProcessorStateManager.flushCache(ProcessorStateManager.java:537) ~[kafka-streams-3.9.0-SNAPSHOT.jar:na] ``` This happened with the following topology: ```java builder .stream() .groupByKey() .windowedBy(...) // Does not really matter. NPE thrown windowing or not .aggregate(...) .mapValues(value -> throw new RuntimeException(...)) ``` Raw record, that has been added to `ProcessorRecordContext`, is lost when caching store. This PR fixes it. Looking forward to provide unit tests -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
