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From "Thomas Mueller (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (OAK-5519) Skip problematic binaries instead of blocking indexing
Date Wed, 01 Nov 2017 15:38:00 GMT

     [ https://issues.apache.org/jira/browse/OAK-5519?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Thomas Mueller updated OAK-5519:
--------------------------------
    Sprint: L15

> Skip problematic binaries instead of blocking indexing
> ------------------------------------------------------
>
>                 Key: OAK-5519
>                 URL: https://issues.apache.org/jira/browse/OAK-5519
>             Project: Jackrabbit Oak
>          Issue Type: New Feature
>          Components: indexing
>            Reporter: Alexander Klimetschek
>            Priority: Major
>              Labels: resilience
>             Fix For: 1.8
>
>
> If a text extraction is blocked (weird PDF) or a blob cannot be found in the datastore
or any other error upon indexing one item from the repository that is outside the scope of
the indexer, it currently halts the indexing (lane). Thus one item (that maybe isn't important
to the users at all) can block the indexing of other, new content (that might be important
to users), and it always requires manual intervention  (which is also not easy and requires
oak experts).
> Instead, the item could be remembered in a known issue list, proper warnings given, and
indexing continue. Maintenance operations should be available to come back to reindex these,
or the indexer could automatically retry after some time. This would allow normal user activity
to go on without manual intervention, and solving the problem (if it's isolated to some binaries)
can be deferred.
> I think the line should probably be drawn for binary properties. Not sure if other JCR
property types could trigger a similar issue, and if a failure in them might actually warrant
a halt, as it could lead to an "incorrect" index, if these properties are important. But maybe
the line is simply a try & catch around "full text extraction".



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