loicgreffier commented on PR #16093:
URL: https://github.com/apache/kafka/pull/16093#issuecomment-2197739588
@cadonna PR updated. `FailedProcessingException` has been introduced.
Note that:
➡️ 1. By default, `FailedProcessingException` appears in the logs:
```console
2024-06-28T23:03:34.862+02:00 ERROR 31724 --- [-StreamThread-1]
org.apache.kafka.streams.KafkaStreams : stream-client [streams-map]
Encountered the following exception during processing and sent shutdown request
for the entire application.
org.apache.kafka.streams.errors.StreamsException: Exception caught in
process. taskId=0_0, processor=KSTREAM-SOURCE-0000000000, topic=PERSON_TOPIC,
partition=0, offset=0,
stacktrace=org.apache.kafka.streams.processor.internals.FailedProcessingException:
java.lang.RuntimeException: Something bad happened...
at
org.apache.kafka.streams.processor.internals.ProcessorNode.process(ProcessorNode.java:217)
at
org.apache.kafka.streams.processor.internals.ProcessorContextImpl.forwardInternal(ProcessorContextImpl.java:292)
at
org.apache.kafka.streams.processor.internals.ProcessorContextImpl.forward(ProcessorContextImpl.java:271)
at
org.apache.kafka.streams.processor.internals.ProcessorContextImpl.forward(ProcessorContextImpl.java:229)
at
org.apache.kafka.streams.processor.internals.ProcessorContextImpl.forward(ProcessorContextImpl.java:216)
at
org.apache.kafka.streams.kstream.internals.KStreamMapValues$KStreamMapProcessor.process(KStreamMapValues.java:42)
at
org.apache.kafka.streams.processor.internals.ProcessorNode.process(ProcessorNode.java:172)
at
org.apache.kafka.streams.processor.internals.ProcessorContextImpl.forwardInternal(ProcessorContextImpl.java:292)
at
org.apache.kafka.streams.processor.internals.ProcessorContextImpl.forward(ProcessorContextImpl.java:271)
at
org.apache.kafka.streams.processor.internals.ProcessorContextImpl.forward(ProcessorContextImpl.java:229)
at
org.apache.kafka.streams.processor.internals.ProcessorContextImpl.forward(ProcessorContextImpl.java:216)
at
org.apache.kafka.streams.kstream.internals.KStreamMapValues$KStreamMapProcessor.process(KStreamMapValues.java:42)
at
org.apache.kafka.streams.processor.internals.ProcessorNode.process(ProcessorNode.java:172)
at
org.apache.kafka.streams.processor.internals.ProcessorContextImpl.forwardInternal(ProcessorContextImpl.java:292)
at
org.apache.kafka.streams.processor.internals.ProcessorContextImpl.forward(ProcessorContextImpl.java:271)
at
org.apache.kafka.streams.processor.internals.ProcessorContextImpl.forward(ProcessorContextImpl.java:229)
at
org.apache.kafka.streams.processor.internals.SourceNode.process(SourceNode.java:95)
at
org.apache.kafka.streams.processor.internals.StreamTask.lambda$doProcess$1(StreamTask.java:848)
at
org.apache.kafka.streams.processor.internals.metrics.StreamsMetricsImpl.maybeMeasureLatency(StreamsMetricsImpl.java:872)
at
org.apache.kafka.streams.processor.internals.StreamTask.doProcess(StreamTask.java:848)
at
org.apache.kafka.streams.processor.internals.StreamTask.process(StreamTask.java:778)
at
org.apache.kafka.streams.processor.internals.TaskExecutor.processTask(TaskExecutor.java:97)
at
org.apache.kafka.streams.processor.internals.TaskExecutor.process(TaskExecutor.java:78)
at
org.apache.kafka.streams.processor.internals.TaskManager.process(TaskManager.java:1982)
at
org.apache.kafka.streams.processor.internals.StreamThread.runOnceWithoutProcessingThreads(StreamThread.java:1000)
at
org.apache.kafka.streams.processor.internals.StreamThread.runLoop(StreamThread.java:711)
at
org.apache.kafka.streams.processor.internals.StreamThread.run(StreamThread.java:670)
Caused by: java.lang.RuntimeException: Something bad happened...
at
com.example.kstreamplify.sandbox.MyKafkaStreams.lambda$topology$2(MyKafkaStreams.java:32)
at
org.apache.kafka.streams.kstream.internals.KStreamMapValues$KStreamMapProcessor.process(KStreamMapValues.java:41)
at
org.apache.kafka.streams.processor.internals.ProcessorNode.process(ProcessorNode.java:172)
... 26 more
at
org.apache.kafka.streams.processor.internals.StreamTask.process(StreamTask.java:804)
~[kafka-streams-3.9.0-SNAPSHOT.jar:na]
at
org.apache.kafka.streams.processor.internals.TaskExecutor.processTask(TaskExecutor.java:97)
~[kafka-streams-3.9.0-SNAPSHOT.jar:na]
at
org.apache.kafka.streams.processor.internals.TaskExecutor.process(TaskExecutor.java:78)
~[kafka-streams-3.9.0-SNAPSHOT.jar:na]
at
org.apache.kafka.streams.processor.internals.TaskManager.process(TaskManager.java:1982)
~[kafka-streams-3.9.0-SNAPSHOT.jar:na]
at
org.apache.kafka.streams.processor.internals.StreamThread.runOnceWithoutProcessingThreads(StreamThread.java:1000)
~[kafka-streams-3.9.0-SNAPSHOT.jar:na]
at
org.apache.kafka.streams.processor.internals.StreamThread.runLoop(StreamThread.java:711)
~[kafka-streams-3.9.0-SNAPSHOT.jar:na]
at
org.apache.kafka.streams.processor.internals.StreamThread.run(StreamThread.java:670)
~[kafka-streams-3.9.0-SNAPSHOT.jar:na]
Caused by:
org.apache.kafka.streams.processor.internals.FailedProcessingException:
java.lang.RuntimeException: Something bad happened...
at
org.apache.kafka.streams.processor.internals.ProcessorNode.process(ProcessorNode.java:217)
~[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.processor.internals.ProcessorContextImpl.forward(ProcessorContextImpl.java:216)
~[kafka-streams-3.9.0-SNAPSHOT.jar:na]
at
org.apache.kafka.streams.kstream.internals.KStreamMapValues$KStreamMapProcessor.process(KStreamMapValues.java:42)
~[kafka-streams-3.9.0-SNAPSHOT.jar:na]
at
org.apache.kafka.streams.processor.internals.ProcessorNode.process(ProcessorNode.java:172)
~[kafka-streams-3.9.0-SNAPSHOT.jar:na]
at
org.apache.kafka.streams.processor.internals.ProcessorContextImpl.forwardInternal(ProcessorContextImpl.java:292)
~[kafka-streams-3.9.0-SNAPSHOT.jar:na]
at
org.apache.kafka.streams.processor.internals.ProcessorContextImpl.forward(ProcessorContextImpl.java:271)
~[kafka-streams-3.9.0-SNAPSHOT.jar:na]
at
org.apache.kafka.streams.processor.internals.ProcessorContextImpl.forward(ProcessorContextImpl.java:229)
~[kafka-streams-3.9.0-SNAPSHOT.jar:na]
at
org.apache.kafka.streams.processor.internals.ProcessorContextImpl.forward(ProcessorContextImpl.java:216)
~[kafka-streams-3.9.0-SNAPSHOT.jar:na]
at
org.apache.kafka.streams.kstream.internals.KStreamMapValues$KStreamMapProcessor.process(KStreamMapValues.java:42)
~[kafka-streams-3.9.0-SNAPSHOT.jar:na]
at
org.apache.kafka.streams.processor.internals.ProcessorNode.process(ProcessorNode.java:172)
~[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.processor.internals.SourceNode.process(SourceNode.java:95)
~[kafka-streams-3.9.0-SNAPSHOT.jar:na]
at
org.apache.kafka.streams.processor.internals.StreamTask.lambda$doProcess$1(StreamTask.java:848)
~[kafka-streams-3.9.0-SNAPSHOT.jar:na]
at
org.apache.kafka.streams.processor.internals.metrics.StreamsMetricsImpl.maybeMeasureLatency(StreamsMetricsImpl.java:872)
~[kafka-streams-3.9.0-SNAPSHOT.jar:na]
at
org.apache.kafka.streams.processor.internals.StreamTask.doProcess(StreamTask.java:848)
~[kafka-streams-3.9.0-SNAPSHOT.jar:na]
at
org.apache.kafka.streams.processor.internals.StreamTask.process(StreamTask.java:778)
~[kafka-streams-3.9.0-SNAPSHOT.jar:na]
... 6 common frames omitted
Caused by: java.lang.RuntimeException: Something bad happened...
at
com.example.kstreamplify.sandbox.MyKafkaStreams.lambda$topology$2(MyKafkaStreams.java:32)
~[classes/:na]
at
org.apache.kafka.streams.kstream.internals.KStreamMapValues$KStreamMapProcessor.process(KStreamMapValues.java:41)
~[kafka-streams-3.9.0-SNAPSHOT.jar:na]
at
org.apache.kafka.streams.processor.internals.ProcessorNode.process(ProcessorNode.java:172)
~[kafka-streams-3.9.0-SNAPSHOT.jar:na]
... 26 common frames omitted
```
In case of `FailedProcessingException`, the cause is used to create the
`StreamsException` so the stack trace stays the same before and after the PR:
```java
Throwable processingException = e instanceof FailedProcessingException ?
e.getCause() : e;
final StreamsException error = new StreamsException(
String.format(
"Exception caught in process. taskId=%s, processor=%s, topic=%s,
partition=%d, offset=%d, stacktrace=%s",
id(),
processorContext.currentNode().name(),
record.topic(),
record.partition(),
record.offset(),
getStacktraceString(processingException)
),
processingException
```
---
➡️ 2. The processing exception handler logs:
```console
2024-06-28T23:03:34.743+02:00 WARN 31724 --- [-StreamThread-1]
s.e.LogAndFailProcessingExceptionHandler : Exception caught during message
processing, processor node: KSTREAM-MAPVALUES-0000000003, taskId: 0_0, source
topic: PERSON_TOPIC, source partition: 0, source offset: 0
```
While le `TaskExecutor` logs:
```console
2024-06-28T23:58:14.337+02:00 ERROR 28932 --- [-StreamThread-1]
org.apache.kafka.streams.KafkaStreams : stream-client [streams-map]
Encountered the following exception during processing and sent shutdown request
for the entire application.
org.apache.kafka.streams.errors.StreamsException: Exception caught in
process. taskId=0_0, processor=KSTREAM-SOURCE-0000000000, topic=PERSON_TOPIC,
partition=0, offset=0, stacktrace=java.lang.RuntimeException: Something bad
happened...
```
Both log that an exception occurred in different processors.
Maybe this could be improved (or not) in another PR. The
`FailedProcessingException` could be used to pass the precise processor node
name where the exception occurred to the `StreamTask#process`.
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