ECS: xDoctor: RAP178 - java.lang.NullPointerException i JournalChunkGCTaskScanner.java

요약: Søppelinnsamling klarer ikke å gjenvinne journalbiter på grunn av java.lang.NullPointerException.

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기타 리소스 확인

증상

  • Høy L2-metadatautnyttelse
  • Høy journalutnyttelse
  • Utnyttelse av L2 med høy kapasitet

Chunk Manager (cm.log) logger følgende feil: java.lang.NullPointerException

2024-01-16T16:38:57,443 [TaskScheduler-ChunkManager-DEFAULT_BACKGROUND_OPERATION-ScheduledExecutor-117] ERROR  JournalChunkGCTaskScanner.java (line 338) Exception from garbageCollect
java.lang.NullPointerException
        at com.emc.storageos.data.object.devicescanner.RepGroupObserverImpl.getFailedZones(RepGroupObserverImpl.java:781)
        at com.emc.storageos.data.chunkmanager.JournalChunkGCTaskScanner.isFailedZone(JournalChunkGCTaskScanner.java:360)
        at com.emc.storageos.data.chunkmanager.JournalChunkGCTaskScanner.runTask(JournalChunkGCTaskScanner.java:237)
        at com.emc.storageos.data.object.task.TaskScanner.scan(TaskScanner.java:81)
        at com.emc.storageos.data.object.Scanner$ScannerThread.run(Scanner.java:269)
        at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at com.google.common.util.concurrent.TrustedListenableFutureTask$TrustedFutureInterruptibleTask.runInterruptibly(TrustedListenableFutureTask.java:131)
        at com.google.common.util.concurrent.InterruptibleTask.run(InterruptibleTask.java:74)
        at com.google.common.util.concurrent.TrustedListenableFutureTask.run(TrustedListenableFutureTask.java:82)
        at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)

Kontroller at Journal Chunk Task Scanner genererer et unntak i cm.log-filene:
# svc_log -f "JournalChunkGCTaskScanner.java" "NullPointerException" -files cm-error.log* -start 10m

admin@ecs-node:~> svc_log -f "JournalChunkGCTaskScanner.java" "Exception" -files cm-error.log* -start 10m
svc_log v1.0.33 (svc_tools v2.20.0)                 Started 2024-12-13 11:51:29

Running on nodes:                        <All nodes>
Time range:                              2024-12-13 11:41:29 - 2024-12-13 11:51:29
Filter string(s):                        'JournalChunkGCTaskScanner.java' AND 'Exception'
File(s) to search:                               cm-error.log*

Show nodename(s):                        True
Show nodename(s):                        True

169.254.1.1 2024-12-13T11:43:54,021 [TaskScheduler-ChunkManager-DEFAULT_BACKGROUND_OPERATION-ScheduledExecutor-074] ERROR  JournalChunkGCTaskScanner.java (line 338) Exception from garbageCollect
java.lang.NullPointerException
169.254.1.1 2024-12-13T11:43:54,022 [TaskScheduler-ChunkManager-DEFAULT_BACKGROUND_OPERATION-ScheduledExecutor-074] ERROR  JournalChunkGCTaskScanner.java (line 338) Exception from garbageCollect
java.lang.NullPointerException
169.254.1.1 2024-12-13T11:43:54,036 [TaskScheduler-ChunkManager-DEFAULT_BACKGROUND_OPERATION-ScheduledExecutor-074] ERROR  JournalChunkGCTaskScanner.java (line 338) Exception from garbageCollect
java.lang.NullPointerException
.......
169.254.1.2 2024-12-13T11:50:18,135 [TaskScheduler-ChunkManager-DEFAULT_BACKGROUND_OPERATION-ScheduledExecutor-282] ERROR  JournalChunkGCTaskScanner.java (line 338) Exception from garbageCollect
java.lang.NullPointerException
169.254.1.2 2024-12-13T11:50:18,144 [TaskScheduler-ChunkManager-DEFAULT_BACKGROUND_OPERATION-ScheduledExecutor-282] ERROR  JournalChunkGCTaskScanner.java (line 338) Exception from garbageCollect
java.lang.NullPointerException
169.254.1.2 2024-12-13T11:50:18,149 [TaskScheduler-ChunkManager-DEFAULT_BACKGROUND_OPERATION-ScheduledExecutor-282] ERROR  JournalChunkGCTaskScanner.java (line 338) Exception from garbageCollect
java.lang.NullPointerException
.......
169.254.1.6 2024-12-13T11:49:43,389 [TaskScheduler-ChunkManager-DEFAULT_BACKGROUND_OPERATION-ScheduledExecutor-080] ERROR  JournalChunkGCTaskScanner.java (line 338) Exception from garbageCollect
java.lang.NullPointerException
169.254.1.6 2024-12-13T11:49:43,390 [TaskScheduler-ChunkManager-DEFAULT_BACKGROUND_OPERATION-ScheduledExecutor-080] ERROR  JournalChunkGCTaskScanner.java (line 338) Exception from garbageCollect
java.lang.NullPointerException
169.254.1.6 2024-12-13T11:49:43,411 [TaskScheduler-ChunkManager-DEFAULT_BACKGROUND_OPERATION-ScheduledExecutor-080] ERROR  JournalChunkGCTaskScanner.java (line 338) Exception from garbageCollect
java.lang.NullPointerException
.......

# svc_log -f "JournalChunkGCTaskScanner.java" "NullPointerException" -files 'cm-error.log' -start 1d -st hour -sh*

admin@ecs-node:~> svc_log -f "JournalChunkGCTaskScanner.java" "NullPointerException" -files 'cm-error.log' -start 1d -st hour -sh*
svc_log v1.0.33 (svc_tools v2.20.0)                 Started 2024-12-13 11:45:46

Running on nodes:                        <All nodes>
Time range:                              2024-12-12 11:45:46 - 2024-12-13 11:45:46
Filter string(s):                        'JournalChunkGCTaskScanner.java' AND 'NullPointerException'
File(s) to search:                               cm-error.log*

Show nodename(s):                        True
Show nodename(s):                        True

Count of message occurrences per hour:

                    # Log
Time                Entries
---------------------------
2024-12-12 11:xx    58500
2024-12-12 12:xx    224100
2024-12-12 13:xx    224203
2024-12-12 14:xx    224296
2024-12-12 15:xx    223711
2024-12-12 16:xx    224017
2024-12-12 17:xx    224071
2024-12-12 18:xx    224322
2024-12-12 19:xx    225198
2024-12-12 20:xx    224965
2024-12-12 21:xx    224214
2024-12-12 22:xx    224906
2024-12-12 23:xx    225339
2024-12-13 00:xx    224910
2024-12-13 01:xx    225692
2024-12-13 02:xx    225735
2024-12-13 03:xx    225804
2024-12-13 04:xx    226018
2024-12-13 05:xx    226271
2024-12-13 06:xx    226475
2024-12-13 07:xx    225937
2024-12-13 08:xx    226782
2024-12-13 09:xx    226879
2024-12-13 10:xx    226409
2024-12-13 11:xx    158538

Total:              5397292

원인

Unntaksfeil for nullpeker i JournalChunkGCTaskScanner kan forårsake Journal Garbage Collection-problemet som til slutt fører til høye metadata over hodet.

해결

Oppgrader ECS Appliance-programvaren til 3.8.0.6 eller nyere.

해당 제품

ECS, ECS Appliance, ECS Appliance Gen 1, ECS Appliance Gen 2, ECS Appliance Gen 3

제품

ECS Appliance Hardware Gen3 EX5000, ECS Appliance Hardware Gen3 EX300, ECS Appliance Hardware Gen3 EX3000, ECS Appliance Hardware Gen1 U-Series, ECS Appliance Hardware Gen1 C-Series, ECS Appliance Hardware Gen2 C-Series , ECS Appliance Hardware Gen2 D-Series, ECS Appliance Hardware Gen2 U-Series, ECS Appliance Hardware Gen3 EX500, ECS Appliance Hardware Gen3 EXF900, ECS Appliance Hardware Series, ECS Appliance Software with Encryption, ECS Appliance Software without Encryption, ECS Software ...
문서 속성
문서 번호: 000227107
문서 유형: Solution
마지막 수정 시간: 10 9월 2025
버전:  4
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