Hi Bruno, thank you for your answer.
I mean that the message that caused the exception was consumed and replaced
thread will continue from the next message. How then does it handle
uncaught exceptions, if it will fail again?


On Tue, Aug 10, 2021 at 12:33 PM Bruno Cadonna <cado...@apache.org> wrote:

> Hi Yoda,
>
> What do you mean exactly with "skipping that failed message"?
>
> Do you mean a record consumed from a topic that caused an exception that
> killed the stream thread?
>
> If the record killed the stream thread due to an exception, for example,
> a deserialization exception, it will probably also kill the next stream
> thread that will read that record. Replacing a stream thread does not
> skip records but it can result in duplicate records depending on the
> application’s processing mode determined by the
> PROCESSING_GUARANTEE_CONFIG value as stated in the docs you cited.
>
> Best,
> Bruno
>
>
>
> On 10.08.21 11:15, Luke Chen wrote:
> > Hi Yoda,
> > For your question:
> >> If an application gets an uncaught exception, then the failed thread
> will
> > be replaced with another thread and it will continue processing messages,
> > skipping that failed message?
> >
> > --> Yes, if everything goes well after `replace thread`, you can ignore
> > this failed message. Just one reminder that you should check the failed
> > message to avoid this `uncaught exception` thrown again, because if this
> > happens frequently, it'll impact application performance.
> >
> > Thank you.
> > Luke
> >
> > On Tue, Aug 10, 2021 at 4:25 PM Yoda Jedi Master <yodaj...@gmail.com>
> wrote:
> >
> >> "REPLACE_THREAD - Replaces the thread receiving the exception and
> >> processing continues with the same number of configured threads. (Note:
> >> this can result in duplicate records depending on the application’s
> >> processing mode determined by the PROCESSING_GUARANTEE_CONFIG value)"
> >>
> >> If an application gets an uncaught exception, then the failed thread
> will
> >> be replaced with another thread and it will continue processing
> messages,
> >> skipping that failed message?
> >>
> >
>

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