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https://issues.apache.org/jira/browse/OAK-1921?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alex Parvulescu updated OAK-1921:
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Attachment: OAK-1921.patch
attached proposed patch for the main issue. I've introduced a diff class that
is binary aware, heavily based on the compaction code.
I've tested this against a repo that has an external store and the reported
issue does't reproduce, but I did not add any unit tests (the setup would be
quite complicated I guess).
[~jukkaz] feedback needed, as usual :)
> Backup: "Attempt to read external blob" error
> ---------------------------------------------
>
> Key: OAK-1921
> URL: https://issues.apache.org/jira/browse/OAK-1921
> Project: Jackrabbit Oak
> Issue Type: Bug
> Components: segmentmk
> Affects Versions: 1.0, 1.0.1, 1.0.2
> Reporter: Thomas Mueller
> Assignee: Alex Parvulescu
> Attachments: OAK-1921-generic-backup.patch, OAK-1921.patch
>
>
> I tried to backup a segmentstore (with an external BlobStore) using
> {noformat}
> java -mx8g -jar oak-run-1.0.2-SNAPSHOT.jar backup segmentstore s2
> {noformat}
> and got:
> {noformat}
> Attempt to read external blob with blobId
> [c184d2a3f1dbc709004a45ae6c5df7624c2ae653#32768] without specifying BlobStore
> at
> org.apache.jackrabbit.oak.plugins.segment.SegmentBlob.getReference(SegmentBlob.java:118)
> at
> org.apache.jackrabbit.oak.plugins.segment.SegmentWriter.writeBlob(SegmentWriter.java:706)
> at
> org.apache.jackrabbit.oak.plugins.segment.SegmentWriter.writeProperty(SegmentWriter.java:808)
> at
> org.apache.jackrabbit.oak.plugins.segment.SegmentWriter.writeProperty(SegmentWriter.java:796)
> {noformat}
> There are two options:
> 1) Adjust the backup code to work like compaction does, i.e. leave
> external blobs as-is and perhaps output a message that informs the
> user about the need to use a different mechanism to back up the
> BlobStore contents
> 2) Add command line options for configuring the BlobStore to be used
> for accessing external blobs.
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