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https://issues.apache.org/jira/browse/DERBY-3541?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12579040#action_12579040
 ] 

V.Narayanan commented on DERBY-3541:
------------------------------------

Upon calling quit in ij, ij tries to shutdown the connection. The code relevant 
to this
is found here

org.apache.derby.impl.tools.ij.utilMain.cleanupGo(utilMain.java:416)

here we do the following

if (d!=null) { // do we have a driver running? shutdown on exit.
        try {
                DriverManager.getConnection("jdbc:derby:;shutdown=true");
        } catch (SQLException e) {
                // ignore the errors, they are expected.
        }
}

now with authentication enabled trying to take a connection to shutdown like 
done in
the above code will result in an exception

ij> connect 'jdbc:derby:;shutdown=true';
ERROR 08004: Connection authentication failure occurred.  Reason: Invalid 
authentication..

This is the reason why upon a quit; in ij with authentication enabled and in the
embedded mode the modules are never shutdown.


> quit; on ij with authentication enabled does not shutdown the derby modules 
> that are loaded
> -------------------------------------------------------------------------------------------
>
>                 Key: DERBY-3541
>                 URL: https://issues.apache.org/jira/browse/DERBY-3541
>             Project: Derby
>          Issue Type: Bug
>          Components: Security
>    Affects Versions: 10.4.0.0
>            Reporter: V.Narayanan
>         Attachments: derby.properties, PrintStackTrace.diff, 
> WithoutAuthentication_StackTrace.txt
>
>


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