[HDDS-3382] OzoneManager fails to apply log index because of FNFE

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Component/s: Ozone Manager
• Labels: MiniOzoneChaosCluster
• Assignee: Unassigned
• Reporter: Mukul Kumar Singh
• Created: 13/Apr/20 03:29
• Updated: 29/May/20 20:24
• Resolved: 29/May/20 20:24

Description

OzoneManager fails to apply log index because of FNFE

It fails because of the following exception.

2020-04-12 21:58:41,019 [omNode-1@group-D62218D261DE-SegmentedRaftLogWorker] INFO  segmented.SegmentedRaftLogWorker (SegmentedRaftLogWorker.java:execute(541)) - omNode-1@group-D62218D261DE-SegmentedRaftLogWorker:
Rolled log segment from /tmp/chaos-2020-04-12-21-57-56-IST/MiniOzoneClusterImpl-e8cfabca-aa87-41d3-91fd-5530e06ac6ad/omNode-1/ratis/b870c9eb-edfb-36b5-b758-d62218d261de/current/log_inprogress_20626 to /tmp/chaos-2
020-04-12-21-57-56-IST/MiniOzoneClusterImpl-e8cfabca-aa87-41d3-91fd-5530e06ac6ad/omNode-1/ratis/b870c9eb-edfb-36b5-b758-d62218d261de/current/log_20626-20675
2020-04-12 21:58:41,019 [omNode-1@group-D62218D261DE-StateMachineUpdater] ERROR segmented.SegmentedRaftLogInputStream (SegmentedRaftLogInputStream.java:nextEntry(122)) - caught exception initializing log_20626-206
75
java.io.FileNotFoundException: /tmp/chaos-2020-04-12-21-57-56-IST/MiniOzoneClusterImpl-e8cfabca-aa87-41d3-91fd-5530e06ac6ad/omNode-1/ratis/b870c9eb-edfb-36b5-b758-d62218d261de/current/log_20626-20675 (No such file
 or directory)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at org.apache.ratis.server.raftlog.segmented.SegmentedRaftLogReader.<init>(SegmentedRaftLogReader.java:140)
        at org.apache.ratis.server.raftlog.segmented.SegmentedRaftLogInputStream.init(SegmentedRaftLogInputStream.java:94)
        at org.apache.ratis.server.raftlog.segmented.SegmentedRaftLogInputStream.nextEntry(SegmentedRaftLogInputStream.java:120)
        at org.apache.ratis.server.raftlog.segmented.LogSegment.readSegmentFile(LogSegment.java:98)
        at org.apache.ratis.server.raftlog.segmented.LogSegment$LogEntryLoader.load(LogSegment.java:202)
        at org.apache.ratis.server.raftlog.segmented.LogSegment.loadCache(LogSegment.java:309)
        at org.apache.ratis.server.raftlog.segmented.SegmentedRaftLog.get(SegmentedRaftLog.java:292)
        at org.apache.ratis.server.impl.StateMachineUpdater.applyLog(StateMachineUpdater.java:219)
        at org.apache.ratis.server.impl.StateMachineUpdater.run(StateMachineUpdater.java:168)
        at java.lang.Thread.run(Thread.java:748)
2020-04-12 21:58:41,020 [pool-105-thread-2] INFO  utils.LoadBucket (LoadBucket.java:execute(135)) - Going to opType=Filesystem:DirectoryOp keyName=DirectoryLoadGenerator_694945963 :mkdir
2020-04-12 21:58:41,018 [OMDoubleBufferFlushThread] INFO  file.OMDirectoryCreateResponse (OMDirectoryCreateResponse.java:addToDBBatch(66)) - resp:DirectoryLoadGenerator_2101090747/
2020-04-12 21:58:41,018 [grpc-default-executor-2] INFO  segmented.SegmentedRaftLogWorker (SegmentedRaftLogWorker.java:rollLogSegment(396)) - omNode-2@group-D62218D261DE-SegmentedRaftLogWorker: Rolling segment log-
20626_20675 to index:20675
2020-04-12 21:58:41,018 [OMDoubleBufferFlushThread] INFO  file.OMDirectoryCreateResponse (OMDirectoryCreateResponse.java:addToDBBatch(66)) - resp:DirectoryLoadGenerator_1172041571/
2020-04-12 21:58:41,020 [IPC Server handler 13 on 13988] INFO  file.OMDirectoryCreateRequest (OMDirectoryCreateRequest.java:<init>(104)) - req:DirectoryLoadGenerator_694945963
2020-04-12 21:58:41,020 [OMDoubleBufferFlushThread] INFO  file.OMDirectoryCreateResponse (OMDirectoryCreateResponse.java:addToDBBatch(66)) - resp:DirectoryLoadGenerator_1868267720/
2020-04-12 21:58:41,020 [omNode-1@group-D62218D261DE-SegmentedRaftLogWorker] INFO  segmented.SegmentedRaftLogWorker (SegmentedRaftLogWorker.java:execute(583)) - omNode-1@group-D62218D261DE-SegmentedRaftLogWorker:
created new log segment /tmp/chaos-2020-04-12-21-57-56-IST/MiniOzoneClusterImpl-e8cfabca-aa87-41d3-91fd-5530e06ac6ad/omNode-1/ratis/b870c9eb-edfb-36b5-b758-d62218d261de/current/log_inprogress_20676
2020-04-12 21:58:41,020 [omNode-1@group-D62218D261DE-StateMachineUpdater] ERROR impl.StateMachineUpdater (StateMachineUpdater.java:run(185)) - omNode-1@group-D62218D261DE-StateMachineUpdater: the StateMachineUpdat
er hits Throwable
org.apache.ratis.server.raftlog.RaftLogIOException: java.io.FileNotFoundException: /tmp/chaos-2020-04-12-21-57-56-IST/MiniOzoneClusterImpl-e8cfabca-aa87-41d3-91fd-5530e06ac6ad/omNode-1/ratis/b870c9eb-edfb-36b5-b75
8-d62218d261de/current/log_20626-20675 (No such file or directory)
        at org.apache.ratis.server.raftlog.segmented.LogSegment.loadCache(LogSegment.java:311)
        at org.apache.ratis.server.raftlog.segmented.SegmentedRaftLog.get(SegmentedRaftLog.java:292)
        at org.apache.ratis.server.impl.StateMachineUpdater.applyLog(StateMachineUpdater.java:219)
        at org.apache.ratis.server.impl.StateMachineUpdater.run(StateMachineUpdater.java:168)
        at java.lang.Thread.run(Thread.java:748)
Caused by: java.io.FileNotFoundException: /tmp/chaos-2020-04-12-21-57-56-IST/MiniOzoneClusterImpl-e8cfabca-aa87-41d3-91fd-5530e06ac6ad/omNode-1/ratis/b870c9eb-edfb-36b5-b758-d62218d261de/current/log_20626-20675 (N
o such file or directory)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at org.apache.ratis.server.raftlog.segmented.SegmentedRaftLogReader.<init>(SegmentedRaftLogReader.java:140)
        at org.apache.ratis.server.raftlog.segmented.SegmentedRaftLogInputStream.init(SegmentedRaftLogInputStream.java:94)
        at org.apache.ratis.server.raftlog.segmented.SegmentedRaftLogInputStream.nextEntry(SegmentedRaftLogInputStream.java:120)

Issue Links

• duplicates: RATIS-923 Cache evicted before RollSegment completes