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https://issues.apache.org/jira/browse/HDDS-8647?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17726051#comment-17726051
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guangbao zhao commented on HDDS-8647:
-------------------------------------
I also encountered this problem. Can I help you fix it [~duongnguyen]
> Exception when installing OM snapshot
> -------------------------------------
>
> Key: HDDS-8647
> URL: https://issues.apache.org/jira/browse/HDDS-8647
> Project: Apache Ozone
> Issue Type: Bug
> Reporter: Duong
> Assignee: guangbao zhao
> Priority: Critical
> Fix For: 1.4.0
>
>
> Snapshot installing encounters an error. This is a regression from HDDS-7203.
> {code:java}
> 2023-05-18 09:35:39,485 ERROR org.apache.hadoop.ozone.om.OzoneManager:
> Terminating with exit status 1: Failed to reload OM state and instantiate
> services.
> org.apache.hadoop.metrics2.MetricsException: Metrics source
> OMPerformanceMetrics already exists!
> at
> org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.newSourceName(DefaultMetricsSystem.java:152)
> at
> org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.sourceName(DefaultMetricsSystem.java:125)
> at
> org.apache.hadoop.metrics2.impl.MetricsSystemImpl.register(MetricsSystemImpl.java:229)
> at
> org.apache.hadoop.ozone.om.OMPerformanceMetrics.register(OMPerformanceMetrics.java:33)
> at
> org.apache.hadoop.ozone.om.OzoneManager.instantiateServices(OzoneManager.java:779)
> at
> org.apache.hadoop.ozone.om.OzoneManager.reloadOMState(OzoneManager.java:3808)
> at
> org.apache.hadoop.ozone.om.OzoneManager.installCheckpoint(OzoneManager.java:3663)
> at
> org.apache.hadoop.ozone.om.OzoneManager.installCheckpoint(OzoneManager.java:3570)
> at
> org.apache.hadoop.ozone.om.OzoneManager.installSnapshotFromLeader(OzoneManager.java:3547)
> at
> org.apache.hadoop.ozone.om.ratis.OzoneManagerStateMachine.lambda$6(OzoneManagerStateMachine.java:478)
> at
> java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1700)
> at
> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
> at
> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
> {code}
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