Details
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Bug
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Status: Resolved
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Major
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Resolution: Duplicate
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None
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None
Description
Scenario :
- Generate data over parallel threads over various volume/buckets
- Perform parallel snapshot create/delete/list operations over above buckets
- Perform parallel snapdiff operations over each bucket
- Perform parallel read operations of snapshot contents
Nullpointer exception in OM logs -
2024-02-14 21:50:59,574 [OM StateMachine ApplyTransaction Thread - 0] WARN org.apache.hadoop.ozone.om.snapshot.SnapshotCache: Key: '/vol-yu9w1/buck-kmkp4/snap1707922796' does not exist in cache. 2024-02-14 21:50:59,907 [OM StateMachine ApplyTransaction Thread - 0] ERROR org.apache.hadoop.ozone.om.ratis.OzoneManagerStateMachine: Terminating with exit status 1: Request cmdType: SnapshotPurge clientId: "client-62D7790F8E6C" SnapshotPurgeRequest { snapshotDBKeys: "/vol-yu9w1/buck-kmkp4/snap1707922796" } failed with exception java.lang.NullPointerException at org.apache.hadoop.ozone.om.snapshot.SnapshotUtils.getNextActiveSnapshot(SnapshotUtils.java:152) at org.apache.hadoop.ozone.om.request.snapshot.OMSnapshotPurgeRequest.validateAndUpdateCache(OMSnapshotPurgeRequest.java:99) at org.apache.hadoop.ozone.protocolPB.OzoneManagerRequestHandler.handleWriteRequest(OzoneManagerRequestHandler.java:375) at org.apache.hadoop.ozone.om.ratis.OzoneManagerStateMachine.runCommand(OzoneManagerStateMachine.java:568) at org.apache.hadoop.ozone.om.ratis.OzoneManagerStateMachine.lambda$1(OzoneManagerStateMachine.java:359) at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1604) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 2024-02-14 21:50:59,912 [shutdown-hook-0] INFO org.apache.ranger.audit.provider.AuditProviderFactory: ==> JVMShutdownHook.run()
Attachments
Issue Links
- duplicates
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HDDS-10408 NPE causes OM crash in Snapshot Purge request
- Resolved