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From "Jean-Yves LINET (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DERBY-6837) ERROR 40XL1 due to incorrect lock
Date Thu, 24 Sep 2015 21:02:04 GMT

     [ https://issues.apache.org/jira/browse/DERBY-6837?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jean-Yves LINET updated DERBY-6837:
-----------------------------------
     Urgency:   (was: Urgent)
    Priority: Trivial  (was: Major)

> ERROR 40XL1 due to incorrect lock
> ---------------------------------
>
>                 Key: DERBY-6837
>                 URL: https://issues.apache.org/jira/browse/DERBY-6837
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.11.1.1
>         Environment: Windows 7 - Java jdk1.6.0_24 x86
>            Reporter: Jean-Yves LINET
>            Priority: Trivial
>         Attachments: jira-index-lock.txt
>
>
> When I add an index on new created table (software installation) I get ERROR 40XL1 when
I try to update records.
> If I add the same index on software update when table has been used, I don't have the
error.
> On a new installation I have to insert rows and restart my application, before adding
the index, and then I don't have the error.
> I tried to make a small project to reproduce the bug but after two days of research I
gave up.
> Anyway I have some interesting data, I think.
> When it is working I have only one lock on the table (SYSCS_DIAG.LOCK_TABLE) :
> 4816 - TABLE - IS - IDAXX_SIS - Tablelock - GRANT - T - 1 - null
> When I have the error there is another lock on rows :
> 4756 - TABLE - IS - IDAXX_SIS - Tablelock - GRANT - T - 1 - null
> 4756 - ROW - S - IDAXX_SIS - (1,28) - GRANT - T - 1 - null
> The index column is a CHAR(1).
> I use embeddeddriver with "territory=fr_FR; collation=TERRITORY_BASED:PRIMARY" option,
but I tried without this option and the error persist.
> For now my workaround is to delay the index creation.



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