[jira] [Commented] (KAFKA-9471) Throw exception for DEAD StreamThread.State

["Ted Yu (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KAFKA-9471?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17022595#comment-17022595 ] 

Ted Yu commented on KAFKA-9471:
-------------------------------

[~vitojeng]
Looks like the following query depends on the empty collection for DEAD state:
{code}
    @Test
    public void shouldAllowToQueryAfterThreadDied() throws Exception {
{code}
It fails when exception is thrown.
What do you think ?

> Throw exception for DEAD StreamThread.State
> -------------------------------------------
>
>                 Key: KAFKA-9471
>                 URL: https://issues.apache.org/jira/browse/KAFKA-9471
>             Project: Kafka
>          Issue Type: Improvement
>          Components: streams
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>            Priority: Minor
>
> In StreamThreadStateStoreProvider we have:
> {code}
> if (streamThread.state() == StreamThread.State.DEAD) {
>     return Collections.emptyList();
> {code}
> If user cannot retry anymore, we should throw exception which is handled in the else block.



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