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From "Jan Haderka (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (JCR-3652) Bundle serialization broken
Date Mon, 09 Sep 2013 09:37:52 GMT

    [ https://issues.apache.org/jira/browse/JCR-3652?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13761727#comment-13761727
] 

Jan Haderka commented on JCR-3652:
----------------------------------

[~tmueller] Is this issue affecting only 2.4 and 2.7 branches but working fine on 2.6?

Thx.
                
> Bundle serialization broken
> ---------------------------
>
>                 Key: JCR-3652
>                 URL: https://issues.apache.org/jira/browse/JCR-3652
>             Project: Jackrabbit Content Repository
>          Issue Type: New Feature
>          Components: jackrabbit-core
>            Reporter: Thomas Mueller
>            Assignee: Thomas Mueller
>            Priority: Minor
>             Fix For: 2.4.4, 2.7.1
>
>         Attachments: JCR-3652-b.patch, JCR-3652.patch, JCR-3652-test-case.patch
>
>
> I have got a strange case where some node bundle is broken, seemingly because a byte
is missing. I can't explain the missing byte, but it is reproducible, meaning that writing
the bundles again will break them again. There are 11 broken bundles, 10 of them have the
size 480 bytes and one is slightly larger. It is always a boolean property value that is missing,
always the value for the property jcr:isCheckedOut.
> As a (temporary) solution, and to help analyze what the problem might be, I will create
a patch that does the following:
> * When serializing a bundle, check if the byte array can be de-serialized. If not, then
try again. Starting with the 3th try, use a slower variant where before and after writing
the boolean value the buffer is flushed. I'm aware that ByteArrayOutputStream.flush doesn't
do much, but maybe it solves the problem (let's see) if the problem is related to a JVM issue.
> * If de-serializing a bundle fails, check if it's because of a missing boolean property
value. If yes, insert the missing byte.
> I have also added some log messages (warning / error) to help analyze the problem.

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