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From "Davide Giannella (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (OAK-8304) VersionablePathHook: Diff.setVersionablePath never results in CommitFailedException
Date Tue, 11 Jun 2019 10:52:13 GMT

     [ https://issues.apache.org/jira/browse/OAK-8304?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Davide Giannella closed OAK-8304.

bulk close 1.14.0

> VersionablePathHook: Diff.setVersionablePath never results in CommitFailedException
> -----------------------------------------------------------------------------------
>                 Key: OAK-8304
>                 URL: https://issues.apache.org/jira/browse/OAK-8304
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: core, security
>            Reporter: angela
>            Assignee: angela
>            Priority: Major
>             Fix For: 1.14.0
>         Attachments: OAK-8304.patch
> I tried to come up with a test case that would result in the {{VersionablePathHook}}
running into a {{CommitFailedException}} upon accessing the version history and found out
that this will never occur. In other words, the whole logic to collection {{CommitFailedException}}
in {{VersionablePathHook}} is redundant.
> What I found was that {{ReadWriteVersionManager.getOrCreateVersionHistory}} is defined
to potentially throw the exception on calling {{createVersion}}, which is only triggered if
the version history node contains no {{jcr:rootVersion}} child. However, {{createVersion}}
will never throw  {{CommitFailedException}} if the root version is created as the exception
may only occur upon populating the {{jcr:frozenNode}}. 
> Long story short: introducing {{ReadWriteVersionManager.createRootVersion}} and calling
it from {{getOrCreateVersionHistory}} would simplify {{createVersion}}, make the exception
declaration redundant and spare us the unused but prominent exception handling code in {{VersionablePathHook}}.
> [~stillalex], [~mreutegg], i would appreciate if you could review the proposed changes
to {{VersionablePathHook}} and {{ReadWriteVersionManager}}.

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