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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-2551) Global Xid value garbled in syscs_diag.transaction_table.
Date Sun, 13 May 2007 13:33:17 GMT

    [ https://issues.apache.org/jira/browse/DERBY-2551?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12495361
] 

Knut Anders Hatlen commented on DERBY-2551:
-------------------------------------------

Hi Julo,

The test looks good, but I have a couple of small comments:

1) The new file (XATransactionTest.java) is tab free with the exception of two lines. It would
be great if you could remove the tabs from them as well.
2) The test runs in both embedded and client/server mode, but it always uses ClientXid. Is
that OK?
3) If parseXid() used assertNotNull(str) and assertTrue(str.matches(...)) instead of returning
null, it would be easier to see the problem if the test fails.
4) Assert.assertTrue(xid.equals(rXid)) could be replaced with Assert.assertEquals(xid, rXid),
which provides more information if the test fails.
5) rs, stm and conn aren't closed.
6) Using finally clauses to do clean-up might hide the actual error. If you remove try/finally,
it will still do the clean-up when the test runs successfully (which it is supposed to do).
If you think it's really needed to have the clean-up in a finally block, I would recommend
moving it to the tearDown() method.

> Global Xid value garbled in syscs_diag.transaction_table.
> ---------------------------------------------------------
>
>                 Key: DERBY-2551
>                 URL: https://issues.apache.org/jira/browse/DERBY-2551
>             Project: Derby
>          Issue Type: Bug
>          Components: Services
>    Affects Versions: 10.3.0.0
>            Reporter: Julius Stroffek
>         Assigned To: Julius Stroffek
>             Fix For: 10.2.2.1, 10.3.0.0
>
>         Attachments: d2551-round2.diff, d2551-round2.stat, d2551.diff
>
>
> The value of global xid is dumped without leading zeros on GlobalTransactionId and BranchQualifier
byte arrays. Thus, it is impossible to reconstruct the xid value from the transaction_table.

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