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https://issues.apache.org/jira/browse/IGNITE-12930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17155212#comment-17155212
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Maxim Muzafarov commented on IGNITE-12930:
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[~alex_pl]
Yes, I'll finish the review.
I think we should include this issue to 2.9 release since it fails the node in
rare cases when the TDE or Snapshot operation starts.
> DistributedProcess fails node if unable to send single message to coordinator
> -----------------------------------------------------------------------------
>
> Key: IGNITE-12930
> URL: https://issues.apache.org/jira/browse/IGNITE-12930
> Project: Ignite
> Issue Type: Bug
> Reporter: Maxim Muzafarov
> Assignee: Amelchev Nikita
> Priority: Major
> Fix For: 2.9
>
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
> The
> [DistributedProcess|https://github.com/apache/ignite/blob/master/modules/core/src/main/java/org/apache/ignite/internal/util/distributed/DistributedProcess.java]
> fails the local node ({{FailureHandler}} CRITICAL_ERROR thrown) if unable to
> send a message to the coordinator (e.g. the coordinator fails right before
> the single message is sent).
> {code:java}
> try {
> ctx.io().sendToGridTopic(p.crdId,
> GridTopic.TOPIC_DISTRIBUTED_PROCESS, singleMsg, SYSTEM_POOL);
> }
> catch (IgniteCheckedException e) {
> log.error("Unable to send message to coordinator.", e);
> ctx.failure().process(new FailureContext(CRITICAL_ERROR,
> new Exception("Unable to send message to coordinator.",
> e)));
> }
> {code}
> h4. Expected behaviour
> If the {{ClusterTopologyCheckedException}} occurs need to wait for the
> NODE_LEFT event of the coordinator node and re-init the distributed process
> future.
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