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Posted to derby-dev@db.apache.org by "Kathey Marsden (JIRA)" <ji...@apache.org> on 2008/04/30 03:16:55 UTC

[jira] Updated: (DERBY-2935) DDMReader.readLengthAndCodePoint() decodes long integer incorrectly

     [ https://issues.apache.org/jira/browse/DERBY-2935?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kathey Marsden updated DERBY-2935:
----------------------------------

    Fix Version/s: 10.3.2.2

> DDMReader.readLengthAndCodePoint() decodes long integer incorrectly
> -------------------------------------------------------------------
>
>                 Key: DERBY-2935
>                 URL: https://issues.apache.org/jira/browse/DERBY-2935
>             Project: Derby
>          Issue Type: Bug
>          Components: Network Server
>    Affects Versions: 10.1.3.1, 10.2.2.0, 10.3.1.4, 10.4.1.3
>            Reporter: Knut Anders Hatlen
>            Assignee: Knut Anders Hatlen
>            Priority: Minor
>             Fix For: 10.3.2.2, 10.4.1.3
>
>         Attachments: decode-long.diff, test.diff
>
>
> DDMReader.readLengthAndCodePoint() contains code to decode a long integer from a byte array. This code is broken since it uses int operations and not long operations in the decoding. The long might be encoded using four, six or eight bytes, and since Derby currently always uses the four bytes encoding, the bug is not exposed in the current code.

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