`invalid cop task execution summaries length` in log

[lance6716]

https://do.pingcap.net/jenkins/blue/organizations/jenkins/pingcap%2Ftidb%2Fghpr_check2/detail/ghpr_check2/27040/pipeline

[2025/02/13 03:34:47.582 +00:00] [ERROR] [select_result.go:556] ["invalid cop task execution summaries length"] [expected=2] [received=0] [stack="
github.com/pingcap/tidb/pkg/distsql.(*selectResult).updateCopRuntimeStats
	pkg/distsql/select_result.go:556
github.com/pingcap/tidb/pkg/distsql.(*selectResult).Close
	pkg/distsql/select_result.go:611
github.com/pingcap/tidb/pkg/executor.closeAll
	pkg/executor/distsql.go:143
github.com/pingcap/tidb/pkg/executor.(*tableResultHandler).Close
	pkg/executor/table_reader.go:634
github.com/pingcap/tidb/pkg/executor.(*TableReaderExecutor).Close
	pkg/executor/table_reader.go:351
github.com/pingcap/tidb/pkg/executor/internal/exec.Close
	pkg/executor/internal/exec/executor.go:480
github.com/pingcap/tidb/pkg/executor/internal/exec.(*BaseExecutorV2).Close
	pkg/executor/internal/exec/executor.go:315
github.com/pingcap/tidb/pkg/executor.(*LimitExec).Close
	pkg/executor/select.go:514
github.com/pingcap/tidb/pkg/executor/internal/exec.Close
	pkg/executor/internal/exec/executor.go:480
github.com/pingcap/tidb/pkg/executor.(*recordSet).Finish.func1
	pkg/executor/adapter.go:202
sync.(*Once).doSlow
	GOROOT/src/sync/once.go:76
sync.(*Once).Do
	GOROOT/src/sync/once.go:67
github.com/pingcap/tidb/pkg/executor.(*recordSet).Finish
	pkg/executor/adapter.go:201
github.com/pingcap/tidb/pkg/session.(*execStmtResult).Finish.func1
	pkg/session/session.go:2363
sync.(*Once).doSlow
	GOROOT/src/sync/once.go:76
sync.(*Once).Do
	GOROOT/src/sync/once.go:67
github.com/pingcap/tidb/pkg/session.(*execStmtResult).Finish
	pkg/session/session.go:2360
github.com/pingcap/tidb/pkg/session.(*execStmtResult).Close
	pkg/session/session.go:2379
github.com/pingcap/tidb/pkg/parser/terror.Call
	pkg/parser/terror/terror.go:315
github.com/pingcap/tidb/pkg/ddl/session.(*Session).Execute
	pkg/ddl/session/session.go:110
github.com/pingcap/tidb/pkg/ddl/notifier.(*listResult).Read
	pkg/ddl/notifier/store.go:180
github.com/pingcap/tidb/pkg/ddl/notifier.(*DDLNotifier).processEvents
	pkg/ddl/notifier/subscribe.go:202
github.com/pingcap/tidb/pkg/ddl/notifier.(*DDLNotifier).start
	pkg/ddl/notifier/subscribe.go:163
github.com/pingcap/tidb/pkg/util.(*WaitGroupWrapper).RunWithRecover.func1
	pkg/util/wait_group_wrapper.go:199
"]

[zanmato1984]

This may not be very critical so I'm marking it severity/moderate. However @yibin87 is investigating overall execution summary issues so I'm assigning him.

[yibin87]

Checked that this error message won't lead to check_dev2 test failure: passed test will also print such messages.

[zimulala]

Recent stack information：

[2025/09/08 18:51:16.715 +08:00] [INFO] [wait_group_wrapper.go:150] ["background process exited"] [source=domain] [process=RemoveInitStatsFromInternalSessions]
[2025/09/08 18:51:16.715 +08:00] [ERROR] [select_result.go:607] ["invalid cop task execution summaries length"] [expected=3] [received=0] [stack="
github.com/pingcap/tidb/pkg/distsql.(*selectResult).updateCopRuntimeStats
	/Users/weizhenwang/devel/opensource/tidb/pkg/distsql/select_result.go:607
github.com/pingcap/tidb/pkg/distsql.(*selectResult).Close
	/Users/weizhenwang/devel/opensource/tidb/pkg/distsql/select_result.go:662
github.com/pingcap/tidb/pkg/executor.closeAll
	/Users/weizhenwang/devel/opensource/tidb/pkg/executor/distsql.go:143
github.com/pingcap/tidb/pkg/executor.(*tableResultHandler).Close
	/Users/weizhenwang/devel/opensource/tidb/pkg/executor/table_reader.go:636
github.com/pingcap/tidb/pkg/executor.(*TableReaderExecutor).Close
	/Users/weizhenwang/devel/opensource/tidb/pkg/executor/table_reader.go:353
github.com/pingcap/tidb/pkg/executor/internal/exec.Close
	/Users/weizhenwang/devel/opensource/tidb/pkg/executor/internal/exec/executor.go:480
github.com/pingcap/tidb/pkg/executor/internal/exec.(*BaseExecutorV2).Close
	/Users/weizhenwang/devel/opensource/tidb/pkg/executor/internal/exec/executor.go:315
github.com/pingcap/tidb/pkg/executor/aggregate.(*HashAggExec).Close
	/Users/weizhenwang/devel/opensource/tidb/pkg/executor/aggregate/agg_hash_executor.go:227
github.com/pingcap/tidb/pkg/executor/internal/exec.Close
	/Users/weizhenwang/devel/opensource/tidb/pkg/executor/internal/exec/executor.go:480
github.com/pingcap/tidb/pkg/executor/internal/exec.(*BaseExecutorV2).Close
	/Users/weizhenwang/devel/opensource/tidb/pkg/executor/internal/exec/executor.go:315
github.com/pingcap/tidb/pkg/executor/aggregate.(*HashAggExec).Close
	/Users/weizhenwang/devel/opensource/tidb/pkg/executor/aggregate/agg_hash_executor.go:227
github.com/pingcap/tidb/pkg/executor/internal/exec.Close
	/Users/weizhenwang/devel/opensource/tidb/pkg/executor/internal/exec/executor.go:480
github.com/pingcap/tidb/pkg/executor/internal/exec.(*BaseExecutorV2).Close
	/Users/weizhenwang/devel/opensource/tidb/pkg/executor/internal/exec/executor.go:315
github.com/pingcap/tidb/pkg/executor.(*ProjectionExec).Close
	/Users/weizhenwang/devel/opensource/tidb/pkg/executor/projection.go:356
github.com/pingcap/tidb/pkg/executor/internal/exec.Close
	/Users/weizhenwang/devel/opensource/tidb/pkg/executor/internal/exec/executor.go:480
github.com/pingcap/tidb/pkg/executor.(*recordSet).Finish.func1
	/Users/weizhenwang/devel/opensource/tidb/pkg/executor/adapter.go:203
sync.(*Once).doSlow
	/opt/homebrew/opt/go/libexec/src/sync/once.go:78
sync.(*Once).Do
	/opt/homebrew/opt/go/libexec/src/sync/once.go:69
github.com/pingcap/tidb/pkg/executor.(*recordSet).Finish
	/Users/weizhenwang/devel/opensource/tidb/pkg/executor/adapter.go:202
github.com/pingcap/tidb/pkg/session.(*execStmtResult).Finish.func1
	/Users/weizhenwang/devel/opensource/tidb/pkg/session/session.go:2433
sync.(*Once).doSlow
	/opt/homebrew/opt/go/libexec/src/sync/once.go:78
sync.(*Once).Do
	/opt/homebrew/opt/go/libexec/src/sync/once.go:69
github.com/pingcap/tidb/pkg/session.(*execStmtResult).Finish
	/Users/weizhenwang/devel/opensource/tidb/pkg/session/session.go:2430
github.com/pingcap/tidb/pkg/session.(*execStmtResult).Close
	/Users/weizhenwang/devel/opensource/tidb/pkg/session/session.go:2449
github.com/pingcap/tidb/pkg/ttl/session.(*session).ExecuteSQL.func1
	/Users/weizhenwang/devel/opensource/tidb/pkg/ttl/session/session.go:128
github.com/pingcap/tidb/pkg/ttl/session.(*session).ExecuteSQL
	/Users/weizhenwang/devel/opensource/tidb/pkg/ttl/session/session.go:131
github.com/pingcap/tidb/pkg/ttl/ttlworker.GetDelayMetricRecords
	/Users/weizhenwang/devel/opensource/tidb/pkg/ttl/ttlworker/job_manager.go:1139
github.com/pingcap/tidb/pkg/ttl/ttlworker.(*JobManager).reportMetrics
	/Users/weizhenwang/devel/opensource/tidb/pkg/ttl/ttlworker/job_manager.go:512
github.com/pingcap/tidb/pkg/ttl/ttlworker.(*JobManager).jobLoopWithSession
	/Users/weizhenwang/devel/opensource/tidb/pkg/ttl/ttlworker/job_manager.go:205
github.com/pingcap/tidb/pkg/ttl/ttlworker.(*JobManager).jobLoop.withSession.func2.1
	/Users/weizhenwang/devel/opensource/tidb/pkg/ttl/ttlworker/session.go:67
github.com/pingcap/tidb/pkg/session/syssession.(*Session).WithSessionContext.func1
	/Users/weizhenwang/devel/opensource/tidb/pkg/session/syssession/session.go:519
github.com/pingcap/tidb/pkg/session/syssession.(*session).OwnerWithSctx
	/Users/weizhenwang/devel/opensource/tidb/pkg/session/syssession/session.go:278
github.com/pingcap/tidb/pkg/session/syssession.(*Session).WithSessionContext
	/Users/weizhenwang/devel/opensource/tidb/pkg/session/syssession/session.go:518
github.com/pingcap/tidb/pkg/ttl/ttlworker.(*JobManager).jobLoop.withSession.func2
	/Users/weizhenwang/devel/opensource/tidb/pkg/ttl/ttlworker/session.go:50
github.com/pingcap/tidb/pkg/session/syssession.(*AdvancedSessionPool).WithSession
	/Users/weizhenwang/devel/opensource/tidb/pkg/session/syssession/pool.go:268
github.com/pingcap/tidb/pkg/ttl/ttlworker.withSession
	/Users/weizhenwang/devel/opensource/tidb/pkg/ttl/ttlworker/session.go:49
github.com/pingcap/tidb/pkg/ttl/ttlworker.(*JobManager).jobLoop
	/Users/weizhenwang/devel/opensource/tidb/pkg/ttl/ttlworker/job_manager.go:170
github.com/pingcap/tidb/pkg/ttl/ttlworker.(*baseWorker).loop
	/Users/weizhenwang/devel/opensource/tidb/pkg/ttl/ttlworker/worker.go:136
github.com/pingcap/tidb/pkg/util.(*WaitGroupWrapper).Run.func1
	/Users/weizhenwang/devel/opensource/tidb/pkg/util/wait_group_wrapper.go:167
"]

[tiara-tidb-ai-bot-public]

🔗 Related Issues

I found some similar issues that might be related, please check them at first, if you think this issue is similar to them, please close this issue.

1. ✨ Similar infinite print "invalid cop task execution summaries length" #18591 (match via title)

2. ✨ Similar 5.0.2 upgrade to 5.1.0, "sql analyze" in dashboard keep running, no result reported #25419 (match via body)

3. 📝 Related Unstable test TestMppExecution #42724 (match via body)

4. 📝 Related Master branch commits with continuous repeat errors #28205 (match via body)

5. 📝 Related cop task runtime information is wrong in the index join #19847 (match via title)

6. 📝 Related tableWorker in IndexLookUpExecutor panicked #27090 (match via body)

7. 📝 Related flaky test pkg/disttask/framework/storage/storage_test_/storage_test_shard_21/25 #61461 (match via body)

8. 📝 Related executor_test.go:testSuite.TestCoprocessorOOMAction failed #19677 (match via body)

9. 📝 Related tidb connection running loop panic while add and drop column #32311 (match via body)

10. 📝 Related unstable test TestCoprocessorPagingSize #38158 (match via body)

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This comment was automatically generated based on semantic similarity analysis.