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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-2935) DDMReader.readLengthAndCodePoint() decodes long integer incorrectly
Date Fri, 13 Jul 2007 09:39:04 GMT

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

Knut Anders Hatlen updated DERBY-2935:
--------------------------------------

    Derby Info: [Patch Available]
      Assignee: Knut Anders Hatlen

> 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, 10.3.1.1, 10.4.0.0
>            Reporter: Knut Anders Hatlen
>            Assignee: Knut Anders Hatlen
>            Priority: Minor
>         Attachments: decode-long.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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