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From Michael Dürig (JIRA) <j...@apache.org>
Subject [jira] [Commented] (OAK-2498) Root record references provide too little context for parsing a segment
Date Mon, 03 Oct 2016 10:21:20 GMT

    [ https://issues.apache.org/jira/browse/OAK-2498?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15542073#comment-15542073

Michael Dürig commented on OAK-2498:

At http://svn.apache.org/viewvc?rev=1763148&view=rev I also included the type of the records
in {{Segment.toString()}}:

     VALUE record 00000000: 0003ffd0
    BUCKET record 00000001: 0003f7d8
    BUCKET record 00000002: 0003efe0
    BUCKET record 00000003: 0003e7e8
    BUCKET record 00000004: 0003dff0
    BUCKET record 00000005: 0003d7f8
    BUCKET record 00000006: 0003d7d0
    BUCKET record 00000007: 0003d7a0
     VALUE record 00000008: 0003d790
     VALUE record 00000009: 0003d788
     VALUE record 0000000a: 0003d780
  TEMPLATE record 0000000b: 0003d768
      NODE record 0000000c: 0003d748
      NODE record 0000000d: 0003d730

> Root record references provide too little context for parsing a segment
> -----------------------------------------------------------------------
>                 Key: OAK-2498
>                 URL: https://issues.apache.org/jira/browse/OAK-2498
>             Project: Jackrabbit Oak
>          Issue Type: Bug
>          Components: segment-tar
>            Reporter: Michael Dürig
>            Assignee: Francesco Mari
>              Labels: tools
>             Fix For: Segment Tar 0.0.14
> According to the [documentation | http://jackrabbit.apache.org/oak/docs/nodestore/segmentmk.html]
the root record references in a segment header provide enough context for parsing all records
within this segment without any external information. 
> Turns out this is not true: if a root record reference turns e.g. to a list record. The
items in that list are record ids of unknown type. So even though those records might live
in the same segment, we can't parse them as we don't know their type. 

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