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Posted to commits@cassandra.apache.org by "Stu Hood (JIRA)" <ji...@apache.org> on 2009/12/04 20:25:20 UTC

[jira] Created: (CASSANDRA-602) bytesToHex broken for small byte values

bytesToHex broken for small byte values
---------------------------------------

                 Key: CASSANDRA-602
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-602
             Project: Cassandra
          Issue Type: Bug
    Affects Versions: 0.3, 0.4, 0.5
            Reporter: Stu Hood
            Assignee: Stu Hood
            Priority: Blocker
             Fix For: 0.5
         Attachments: fb-bytestohex.diff

FBUtilities.bytesToHex uses Integer.toHexString, which does not zero-pad its output. We then assert in hexToBytes that each byte string is 2 characters long.

The assertion will occasionally fail, but oftentimes, we simple end up with a different byte value than we started with.

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[jira] Commented: (CASSANDRA-602) bytesToHex broken for small byte values

Posted by "Hudson (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/CASSANDRA-602?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12792155#action_12792155 ] 

Hudson commented on CASSANDRA-602:
----------------------------------

Integrated in Cassandra #291 (See [http://hudson.zones.apache.org/hudson/job/Cassandra/291/])
    

> bytesToHex broken for small byte values
> ---------------------------------------
>
>                 Key: CASSANDRA-602
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-602
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 0.3, 0.4, 0.5
>            Reporter: Stu Hood
>            Assignee: Stu Hood
>            Priority: Blocker
>             Fix For: 0.5
>
>         Attachments: fb-bytestohex.diff
>
>
> FBUtilities.bytesToHex uses Integer.toHexString, which does not zero-pad its output. We then assert in hexToBytes that each byte string is 2 characters long.
> The assertion will occasionally fail, but oftentimes, we simple end up with a different byte value than we started with.

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[jira] Commented: (CASSANDRA-602) bytesToHex broken for small byte values

Posted by "Gary Dusbabek (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/CASSANDRA-602?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12786118#action_12786118 ] 

Gary Dusbabek commented on CASSANDRA-602:
-----------------------------------------

Fix looks good.  +1.

> bytesToHex broken for small byte values
> ---------------------------------------
>
>                 Key: CASSANDRA-602
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-602
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 0.3, 0.4, 0.5
>            Reporter: Stu Hood
>            Assignee: Stu Hood
>            Priority: Blocker
>             Fix For: 0.5
>
>         Attachments: fb-bytestohex.diff
>
>
> FBUtilities.bytesToHex uses Integer.toHexString, which does not zero-pad its output. We then assert in hexToBytes that each byte string is 2 characters long.
> The assertion will occasionally fail, but oftentimes, we simple end up with a different byte value than we started with.

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[jira] Updated: (CASSANDRA-602) bytesToHex broken for small byte values

Posted by "Stu Hood (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/CASSANDRA-602?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stu Hood updated CASSANDRA-602:
-------------------------------

    Attachment: fb-bytestohex.diff

Patch adding a more complete testcase and a fix.

> bytesToHex broken for small byte values
> ---------------------------------------
>
>                 Key: CASSANDRA-602
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-602
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 0.3, 0.4, 0.5
>            Reporter: Stu Hood
>            Assignee: Stu Hood
>            Priority: Blocker
>             Fix For: 0.5
>
>         Attachments: fb-bytestohex.diff
>
>
> FBUtilities.bytesToHex uses Integer.toHexString, which does not zero-pad its output. We then assert in hexToBytes that each byte string is 2 characters long.
> The assertion will occasionally fail, but oftentimes, we simple end up with a different byte value than we started with.

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You can reply to this email to add a comment to the issue online.


[jira] Commented: (CASSANDRA-602) bytesToHex broken for small byte values

Posted by "Hudson (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/CASSANDRA-602?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12786389#action_12786389 ] 

Hudson commented on CASSANDRA-602:
----------------------------------

Integrated in Cassandra #278 (See [http://hudson.zones.apache.org/hudson/job/Cassandra/278/])
    zero-pad single hex digits in bytesToHex.  patch by Stu Hood; reviewed by gdusbabek for 


> bytesToHex broken for small byte values
> ---------------------------------------
>
>                 Key: CASSANDRA-602
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-602
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 0.3, 0.4, 0.5
>            Reporter: Stu Hood
>            Assignee: Stu Hood
>            Priority: Blocker
>             Fix For: 0.5
>
>         Attachments: fb-bytestohex.diff
>
>
> FBUtilities.bytesToHex uses Integer.toHexString, which does not zero-pad its output. We then assert in hexToBytes that each byte string is 2 characters long.
> The assertion will occasionally fail, but oftentimes, we simple end up with a different byte value than we started with.

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You can reply to this email to add a comment to the issue online.