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From Michael Dürig (JIRA) <j...@apache.org>
Subject [jira] [Created] (OAK-7837) oak-run check crashes with SNFE
Date Tue, 16 Oct 2018 08:05:00 GMT
Michael Dürig created OAK-7837:
----------------------------------

             Summary: oak-run check crashes with SNFE
                 Key: OAK-7837
                 URL: https://issues.apache.org/jira/browse/OAK-7837
             Project: Jackrabbit Oak
          Issue Type: Bug
          Components: run, segment-tar
            Reporter: Michael Dürig
            Assignee: Michael Dürig


I experienced a crash of {{oak-run check}} with a {{SNFE}}:
{noformat}
org.apache.jackrabbit.oak.segment.SegmentNotFoundException: Segment 48973c89-9e61-4757-a93d-384da83ec170
not found
at org.apache.jackrabbit.oak.segment.file.AbstractFileStore.readSegmentUncached(AbstractFileStore.java:281)
at org.apache.jackrabbit.oak.segment.file.ReadOnlyFileStore$1.call(ReadOnlyFileStore.java:124)
at org.apache.jackrabbit.oak.segment.file.ReadOnlyFileStore$1.call(ReadOnlyFileStore.java:121)
at org.apache.jackrabbit.oak.segment.SegmentCache$NonEmptyCache.lambda$getSegment$0(SegmentCache.java:163)
at com.google.common.cache.LocalCache$LocalManualCache$1.load(LocalCache.java:4724)
at com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3522)
at com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2315)
at com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2278)
at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2193)
at com.google.common.cache.LocalCache.get(LocalCache.java:3932)
at com.google.common.cache.LocalCache$LocalManualCache.get(LocalCache.java:4721)
at org.apache.jackrabbit.oak.segment.SegmentCache$NonEmptyCache.getSegment(SegmentCache.java:160)
at org.apache.jackrabbit.oak.segment.file.ReadOnlyFileStore.readSegment(ReadOnlyFileStore.java:121)
at org.apache.jackrabbit.oak.segment.SegmentId.getSegment(SegmentId.java:153)
at org.apache.jackrabbit.oak.segment.Record.getSegment(Record.java:70)
at org.apache.jackrabbit.oak.segment.MapRecord.getEntry(MapRecord.java:160)
at org.apache.jackrabbit.oak.segment.MapRecord.getEntry(MapRecord.java:172)
at org.apache.jackrabbit.oak.segment.SegmentNodeState.hasChildNode(SegmentNodeState.java:441)
at org.apache.jackrabbit.oak.segment.file.tooling.ConsistencyChecker$NodeWrapper.deriveTraversableNodeOnPath(ConsistencyChecker.java:498)
at org.apache.jackrabbit.oak.segment.file.tooling.ConsistencyChecker.checkPathAtRoot(ConsistencyChecker.java:383)
at org.apache.jackrabbit.oak.segment.file.tooling.ConsistencyChecker.checkPathsAtRoot(ConsistencyChecker.java:353)
at org.apache.jackrabbit.oak.segment.file.tooling.ConsistencyChecker.checkConsistency(ConsistencyChecker.java:200)
at org.apache.jackrabbit.oak.segment.tool.Check.run(Check.java:243)
at org.apache.jackrabbit.oak.run.CheckCommand.execute(CheckCommand.java:88)
at org.apache.jackrabbit.oak.run.Main.main(Main.java:49)
{noformat}

AFAICS the problem is the check of the path not being resilient against {{SNFE}}.



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