Mikhail Efremov created IGNITE-26144:
----------------------------------------

             Summary: Critical system error detected: Raft client is stopping 
[cmg_group]
                 Key: IGNITE-26144
                 URL: https://issues.apache.org/jira/browse/IGNITE-26144
             Project: Ignite
          Issue Type: Bug
            Reporter: Mikhail Efremov
         Attachments: ai3-critical-system-error-raft-client-is-stopping.zip

*Subject test*

ItCmgDisasterRecoveryTest#repairWorksWhenCmgMajorityIsOnline

*Reason to fail*

Raft client is stopping [metastorage_group]

*Full stacktrace log*

{code:java}
[2025-08-05T13:03:18,992][ERROR][%icdrt_rwwcmio_3344%Raft-Group-Client-11][FailureManager]
 Critical system error detected. Will be handled accordingly to configured 
handler [hnd=NoOpFailureHandler [super=AbstractFailureHandler 
[ignoredFailureTypes=UnmodifiableSet [SYSTEM_WORKER_BLOCKED, 
SYSTEM_CRITICAL_OPERATION_TIMEOUT]]], failureCtx=CRITICAL_ERROR]
org.apache.ignite.internal.failure.StackTraceCapturingException: Placement 
driver initialization exception
  at 
org.apache.ignite.internal.failure.FailureManager.process(FailureManager.java:191)
  at 
org.apache.ignite.internal.failure.FailureManager.process(FailureManager.java:168)
  at 
org.apache.ignite.internal.placementdriver.PlacementDriverManager.lambda$startAsync$2(PlacementDriverManager.java:207)
  at 
java.base/java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:863)
  at 
java.base/java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:841)
  at 
java.base/java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:510)
  at 
java.base/java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:2162)
  at 
org.apache.ignite.internal.raft.RaftGroupServiceImpl.sendWithRetry(RaftGroupServiceImpl.java:677)
  at 
org.apache.ignite.internal.raft.RaftGroupServiceImpl.sendWithRetry(RaftGroupServiceImpl.java:660)
  at 
org.apache.ignite.internal.raft.RaftGroupServiceImpl.lambda$scheduleRetry$51(RaftGroupServiceImpl.java:910)
  at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
  at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
  at 
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  at java.base/java.lang.Thread.run(Thread.java:833)
Caused by: java.util.concurrent.CompletionException: 
org.apache.ignite.internal.lang.NodeStoppingException: IGN-CMN-1 Raft client is 
stopping [cmg_group]. TraceId:04083d99
  at 
java.base/java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:332)
  at 
java.base/java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:347)
  at 
java.base/java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:636)
  ... 11 more
Caused by: org.apache.ignite.internal.lang.NodeStoppingException: Raft client 
is stopping [cmg_group].
  at 
org.apache.ignite.internal.raft.NodeStoppingExceptionFactory.create(NodeStoppingExceptionFactory.java:29)
  ... 9 more
{code}


*Failed TC build*

https://ci.ignite.apache.org/buildConfiguration/ApacheIgnite3xGradle_Test_RunAllTests/9370288?logFilter=debug&logView=flowAware



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