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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-2029) Query timeout does not take effect if server machine crashes
Date Wed, 08 Jul 2009 10:48:14 GMT

     [ https://issues.apache.org/jira/browse/DERBY-2029?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Knut Anders Hatlen updated DERBY-2029:
--------------------------------------

    Issue & fix info: [Repro attached]

Triaged for 10.5.2.

> Query timeout does not take effect if server machine crashes
> ------------------------------------------------------------
>
>                 Key: DERBY-2029
>                 URL: https://issues.apache.org/jira/browse/DERBY-2029
>             Project: Derby
>          Issue Type: Bug
>          Components: JDBC, Network Client
>    Affects Versions: 10.2.2.0, 10.3.1.4
>         Environment: Solaris 10, JDK 1.5
>            Reporter: Olav Sandstaa
>            Priority: Minor
>         Attachments: QueryTimeout.java
>
>
> An application using the client driver will hang "infinite" if the
> server machine running the Derby server crashes during execution of a
> query even if it has specified a query timeout using
> Statement.setQueryTimeout().
> This problem can be reproduced (at least on Solaris 10) by:
>  1. starting a Derby server on one machine and a Derby client on the second machine.

>  2. In a Java program, create a connection and a statement and set the 
>     query timeout for the statement to a few seconds by:
>       Statement.setQueryTimeout(10)
>  3. Execute a query that take some time (more than 10 seconds).
>  4. During execute of the query, take the power on the machine running 
>     the Derby server.
>  5. Your program will hang "infinite".
> I will post a short repro program that can be used.

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