Mukul Kumar Singh created HDDS-4225:
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Summary: NPE while installing snapshots on ozone manager
Key: HDDS-4225
URL: https://issues.apache.org/jira/browse/HDDS-4225
Project: Hadoop Distributed Data Store
Issue Type: Bug
Components: Ozone Manager
Reporter: Mukul Kumar Singh
{code}
2020-09-09 22:07:14,830 [pool-144-thread-1] INFO om.OzoneManager
(OzoneManager.java:installCheckpoint(3159)) - Installing checkpoint with
OMTransactionInfo 2#68754
2020-09-09 22:07:14,831 [grpc-default-executor-50] INFO impl.RaftServerImpl
(RaftServerImpl.java:installSnapshot(1127)) - omNode-2@group-D62218D261DE:
reply installSnapshot: omNode-1<-omNode-2#0:FAIL-t2,IN
_PROGRESS
2020-09-09 22:07:14,831 [grpc-default-executor-49] INFO impl.RaftServerImpl
(RaftServerImpl.java:installSnapshot(1117)) - omNode-2@group-D62218D261DE:
receive installSnapshot: omNode-1->omNode-2#0-t2,notif
y:(t:2, i:68440)
2020-09-09 22:07:14,836 [grpc-default-executor-49] INFO impl.RaftServerImpl
(RaftServerImpl.java:notifyStateMachineToInstallSnapshot(1282)) -
omNode-2@group-D62218D261DE: Snapshot Installation by StateMach
ine is in progress.
2020-09-09 22:07:14,836 [grpc-default-executor-49] INFO impl.RaftServerImpl
(RaftServerImpl.java:installSnapshot(1127)) - omNode-2@group-D62218D261DE:
reply installSnapshot: omNode-1<-omNode-2#0:FAIL-t2,IN
_PROGRESS
2020-09-09 22:07:14,832 [grpc-default-executor-53] INFO server.GrpcLogAppender
(GrpcLogAppender.java:onNext(375)) -
omNode-1@group-D62218D261DE->omNode-2-InstallSnapshotResponseHandler: received
a reply om
Node-1<-omNode-2#0:FAIL-t2,IN_PROGRESS
2020-09-09 22:07:14,831 [grpc-default-executor-50] INFO
server.GrpcServerProtocolService
(GrpcServerProtocolService.java:onCompleted(138)) - omNode-2: Completed
INSTALL_SNAPSHOT, lastRequest: omNode-1->omN
ode-2#0-t2,notify:(t:2, i:68440)
2020-09-09 22:07:14,831 [pool-144-thread-1] ERROR om.OzoneManager
(OzoneManager.java:installSnapshotFromLeader(3141)) - Failed to install
snapshot from Leader OM: {}
java.lang.NullPointerException
at
org.apache.hadoop.ozone.om.OzoneManager.installCheckpoint(OzoneManager.java:3168)
at
org.apache.hadoop.ozone.om.OzoneManager.installCheckpoint(OzoneManager.java:3162)
at
org.apache.hadoop.ozone.om.OzoneManager.installSnapshotFromLeader(OzoneManager.java:3139)
at
org.apache.hadoop.ozone.om.ratis.OzoneManagerStateMachine.lambda$notifyInstallSnapshotFromLeader$4(OzoneManagerStateMachine.java:372)
at
java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1590)
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)
{code}
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