Axel Hanikel created OAK-10814:
----------------------------------
Summary: Tar file recovery still fails with SNFE in some cases.
Key: OAK-10814
URL: https://issues.apache.org/jira/browse/OAK-10814
Project: Jackrabbit Oak
Issue Type: Bug
Components: segment-tar
Affects Versions: 1.62.0
Reporter: Axel Hanikel
{noformat}
13.05.2024 06:59:56.357 WARN [FelixStartLevel]
org.apache.jackrabbit.oak.segment.file.tar.SegmentTarReader Unable to load
index of file data21604a.tar: Unrecognized magic number
13.05.2024 06:59:56.369 INFO [FelixStartLevel]
org.apache.jackrabbit.oak.segment.file.tar.TarReader Backing up data21604a.tar
to data21604a.tar.bak
13.05.2024 06:59:56.372 INFO [FelixStartLevel]
org.apache.jackrabbit.oak.segment.file.tar.TarReader Regenerating tar file
data21604a.tar
13.05.2024 06:59:56.439 ERROR [FelixStartLevel]
org.apache.jackrabbit.oak.segment.SegmentNotFoundExceptionListener Segment not
found: a4ad6e4b-93dc-4e09-ad0d-ab99a7f93652. SegmentId age=18ms
org.apache.jackrabbit.oak.segment.SegmentNotFoundException: Segment
a4ad6e4b-93dc-4e09-ad0d-ab99a7f93652 not found
at
org.apache.jackrabbit.oak.segment.file.AbstractFileStore.readSegmentUncached(AbstractFileStore.java:297)
[org.apache.jackrabbit.oak-segment-tar:1.62.0]
at
org.apache.jackrabbit.oak.segment.file.FileStore.lambda$readSegment$10(FileStore.java:512)
[org.apache.jackrabbit.oak-segment-tar:1.62.0]
at
org.apache.jackrabbit.oak.segment.SegmentCache$NonEmptyCache.lambda$getSegment$0(SegmentCache.java:163)
[org.apache.jackrabbit.oak-segment-tar:1.62.0]
at
org.apache.jackrabbit.guava.common.cache.LocalCache$LocalManualCache$1.load(LocalCache.java:4938)
[org.apache.jackrabbit.guava:1.62.0]
at
org.apache.jackrabbit.guava.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3576)
[org.apache.jackrabbit.guava:1.62.0]
at
org.apache.jackrabbit.guava.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2318)
[org.apache.jackrabbit.guava:1.62.0]
at
org.apache.jackrabbit.guava.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2191)
[org.apache.jackrabbit.guava:1.62.0]
at
org.apache.jackrabbit.guava.common.cache.LocalCache$Segment.get(LocalCache.java:2081)
[org.apache.jackrabbit.guava:1.62.0]
at
org.apache.jackrabbit.guava.common.cache.LocalCache.get(LocalCache.java:4019)
[org.apache.jackrabbit.guava:1.62.0]
at
org.apache.jackrabbit.guava.common.cache.LocalCache$LocalManualCache.get(LocalCache.java:4933)
[org.apache.jackrabbit.guava:1.62.0]
at
org.apache.jackrabbit.oak.segment.SegmentCache$NonEmptyCache.getSegment(SegmentCache.java:160)
[org.apache.jackrabbit.oak-segment-tar:1.62.0]
at
org.apache.jackrabbit.oak.segment.file.FileStore.readSegment(FileStore.java:512)
[org.apache.jackrabbit.oak-segment-tar:1.62.0]
at
org.apache.jackrabbit.oak.segment.SegmentId.getSegment(SegmentId.java:153)
[org.apache.jackrabbit.oak-segment-tar:1.62.0]
at org.apache.jackrabbit.oak.segment.Record.getSegment(Record.java:71)
[org.apache.jackrabbit.oak-segment-tar:1.62.0]
at
org.apache.jackrabbit.oak.segment.ListRecord.getEntries(ListRecord.java:99)
[org.apache.jackrabbit.oak-segment-tar:1.62.0]
at
org.apache.jackrabbit.oak.segment.ListRecord.getEntries(ListRecord.java:92)
[org.apache.jackrabbit.oak-segment-tar:1.62.0]
at
org.apache.jackrabbit.oak.segment.SegmentStream.read(SegmentStream.java:166)
[org.apache.jackrabbit.oak-segment-tar:1.62.0]
at
org.apache.jackrabbit.guava.common.io.ByteStreams.read(ByteStreams.java:934)
[org.apache.jackrabbit.guava:1.62.0]
at
org.apache.jackrabbit.guava.common.io.ByteStreams.readFully(ByteStreams.java:802)
[org.apache.jackrabbit.guava:1.62.0]
at
org.apache.jackrabbit.guava.common.io.ByteStreams.readFully(ByteStreams.java:786)
[org.apache.jackrabbit.guava:1.62.0]
at
org.apache.jackrabbit.oak.segment.SegmentStream.getString(SegmentStream.java:105)
[org.apache.jackrabbit.oak-segment-tar:1.62.0]
at
org.apache.jackrabbit.oak.segment.Segment.readString(Segment.java:467)
[org.apache.jackrabbit.oak-segment-tar:1.62.0]
at
org.apache.jackrabbit.oak.segment.SegmentBlob.readLongBlobId(SegmentBlob.java:248)
[org.apache.jackrabbit.oak-segment-tar:1.62.0]
{noformat}
The reason seems to be that the long blobId string is stored behind a list
record, where the elements are stored in yet a different segment, which is then
loaded in the normal way, i.e. bypassing the recovery map added in OAK-10636.
--
This message was sent by Atlassian Jira
(v8.20.10#820010)
