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Date: Mon, 6 Jun 2005 13:32:42 +0200 (CEST)
From: "Tomohito Nakayama (JIRA)" <derby-dev@db.apache.org>
To: derby-dev@db.apache.org
Subject: [jira] Commented: (DERBY-273) The
 derbynet/dataSourcePermissions_net.java test fails intermittently
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    [ http://issues.apache.org/jira/browse/DERBY-273?page=comments#action_12312740 ] 

Tomohito Nakayama commented on DERBY-273:
-----------------------------------------

I have started to survey ...


My first question was "What is ShutdownException ?"

JavaDoc told "A ShutdownException is a runtime exception that is used to notify code that the system has/is being shut down. "
http://incubator.apache.org/derby/javadoc/engine/org/apache/derby/iapi/services/context/ShutdownException.html

Grepping whole code ,I found ShutdownException was thrown only from next two part.
./engine/org/apache/derby/iapi/services/context/ContextManager.java:374:			throw new ShutdownException();
./engine/org/apache/derby/iapi/services/context/ContextService.java:124:			throw new ShutdownException();

Reading each class, I found that these part are executed only when ContextManager or ContextService is in state of shutdown or  stopped.

These codes completely match explanation in JavaDoc.
Each object is in state of shutdown , and ShutdownException happens.


Then, next question arise.
Why there happens situation of  system has/is being shut down during running in  DRDAConnThread as reported ?

I think reading dataSourcePermissions_net will give me answer.

> The derbynet/dataSourcePermissions_net.java test fails intermittently
> ---------------------------------------------------------------------
>
>          Key: DERBY-273
>          URL: http://issues.apache.org/jira/browse/DERBY-273
>      Project: Derby
>         Type: Bug
>  Environment: 1.4.2 JVM (both Sun and IBM)
>     Reporter: Jack Klebanoff
>     Assignee: Tomohito Nakayama

>
> The test fails in the derbyall/derbynetclientmats/derbynetmats suite stack with the following diff:
> *** Start: dataSourcePermissions_net jdk1.4.2 DerbyNetClient derbynetmats:derbynetmats 2005-05-11 04:24:11 ***
> 17a18,19
> > org.apache.derby.iapi.services.context.ShutdownException: 
> > agentThread[DRDAConnThread_2,5,derby.daemons]
> Test Failed.

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