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https://issues.apache.org/jira/browse/CAMEL-23030?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Claus Ibsen updated CAMEL-23030:
--------------------------------
Priority: Minor (was: Major)
> Streaming splitter with aggregation results in StackOverflowError
> -------------------------------------------------------------------
>
> Key: CAMEL-23030
> URL: https://issues.apache.org/jira/browse/CAMEL-23030
> Project: Camel
> Issue Type: Bug
> Environment: This issues occurs with any JVM version I have tried
> (17, 21, 24) and it occurs on my Mac OS developer machine as well as a linux
> vm that runs unit tests.
> Reporter: Michael Parmeley
> Priority: Minor
> Attachments:
> camel-synchronous-executor-stackoverflow-reproducer.tar.gz
>
>
> We have some routes with a streaming splitter that uses aggregation to group
> file rows into batches of rows that throws a StackOverflowError on versions
> of Camel > 4.6.
> I have attached a project with a single unit test in it that recreates the
> problem. Steps to recreate:
> 1. Extract the attached project: tar xvfz
> camel-synchronous-executor-stackoverflow-reproducer.tar.gz
> 2. Navigate into the created directory: cd
> camel-synchronous-executor-stackoverflow-reproducer
> 3. Execute: ./gradlew test
> It comes "out-of-the-box" running with camel 4.17 and it will throw a
> StackOverFlow error.
> To test against other versions edit `build.gradle` and uncomment/comment the
> appropriate `camelVersion` declaration. The build.gradle file has comments
> regarding versions that fail and pass. Although it is any version > 4.6 that
> fail.
> I looked at the source for AggregationProcessor::onSubmitCompletion() and I
> do see a difference on how the task is scheduled at the end between 4.6 and
> 4.7.
> 4.6:
> {code:java}
> reactiveExecutor.schedule(task);
> {code}
> 4.7:
> {code:java}
> reactiveExecutor.scheduleSync(task);
> {code}
> It changes further in 4.8 to this:
> {code:java}
> if (exchange.isTransacted()) {
> reactiveExecutor.scheduleQueue(task);
> } else {
> reactiveExecutor.scheduleSync(task);
> }
> {code}
> I ran my unit test against the very recently released 4.18 and the test still
> results in a StackOverFlow error.
> Issue https://issues.apache.org/jira/browse/CAMEL-22147 seems similiar
> although the fix made for that did not fix the issue we are having.
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