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https://issues.apache.org/jira/browse/IGNITE-25164?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Aleksandr Polovtsev updated IGNITE-25164:
-----------------------------------------
    Description: 
The following stacktrace was found in logs on one of the TC runs:


{code:java}
Caused by: java.lang.NullPointerException: message is not marked @Nullable
  at java.base/java.util.Objects.requireNonNull(Objects.java:233) ~[?:?]
  at 
org.apache.ignite.internal.network.message.InvokeResponseImpl$Builder.message(InvokeResponseImpl.java:121)
 ~[ignite-network-3.1.0-SNAPSHOT.jar:?]
  at 
org.apache.ignite.internal.network.DefaultMessagingService.responseFromMessage(DefaultMessagingService.java:610)
 ~[ignite-network-3.1.0-SNAPSHOT.jar:?]
  at 
org.apache.ignite.internal.network.DefaultMessagingService.send0(DefaultMessagingService.java:283)
 ~[ignite-network-3.1.0-SNAPSHOT.jar:?]
{code}

On node stop {{OutgoingSnapshotManager#handleSnapshotRequestMessage}} can 
return {{null}} in which case we need to ignore sending the response message.


> OutgoingSnapshotManager#respond does not handle null messages
> -------------------------------------------------------------
>
>                 Key: IGNITE-25164
>                 URL: https://issues.apache.org/jira/browse/IGNITE-25164
>             Project: Ignite
>          Issue Type: Bug
>            Reporter: Aleksandr Polovtsev
>            Assignee: Aleksandr Polovtsev
>            Priority: Major
>              Labels: ignite-3
>
> The following stacktrace was found in logs on one of the TC runs:
> {code:java}
> Caused by: java.lang.NullPointerException: message is not marked @Nullable
>   at java.base/java.util.Objects.requireNonNull(Objects.java:233) ~[?:?]
>   at 
> org.apache.ignite.internal.network.message.InvokeResponseImpl$Builder.message(InvokeResponseImpl.java:121)
>  ~[ignite-network-3.1.0-SNAPSHOT.jar:?]
>   at 
> org.apache.ignite.internal.network.DefaultMessagingService.responseFromMessage(DefaultMessagingService.java:610)
>  ~[ignite-network-3.1.0-SNAPSHOT.jar:?]
>   at 
> org.apache.ignite.internal.network.DefaultMessagingService.send0(DefaultMessagingService.java:283)
>  ~[ignite-network-3.1.0-SNAPSHOT.jar:?]
> {code}
> On node stop {{OutgoingSnapshotManager#handleSnapshotRequestMessage}} can 
> return {{null}} in which case we need to ignore sending the response message.



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