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From "Harry Metske (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (JSPWIKI-808) Refactor of o.a.w.HsqlDbUtils.stop()
Date Fri, 27 Dec 2013 17:01:53 GMT

     [ https://issues.apache.org/jira/browse/JSPWIKI-808?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Harry Metske resolved JSPWIKI-808.

    Resolution: Fixed

> Refactor of o.a.w.HsqlDbUtils.stop()
> ------------------------------------
>                 Key: JSPWIKI-808
>                 URL: https://issues.apache.org/jira/browse/JSPWIKI-808
>             Project: JSPWiki
>          Issue Type: Improvement
>          Components: Unit Testing
>            Reporter: Juan Pablo Santos Rodríguez
>            Priority: Minor
> Snipping texts from the dev ML:
> {quote}
> *\[...]* 
> It seems that tearing down the HSQL server instance isn’t finished yet when the following
test starts, leading to the „port already in use” error message. 
> *\[...]*
>     Workaround for testing Hsql
>     Waits 1000 milliseconds after each test before starting the next. Otherwise
>     the tests often fail reporting that the listening port of the database
>     server is already in use.
> {quote}
> This approach was included as part of 2.10.0-svn-59. However, the org.hsqldb.Server.stop()
javadoc states:
> {quote}
> Stops this server asynchronously.
> This method returns immediately, regardless of current state. In order to discover the
success or failure of this operation, server state must be polled or a subclass of Server
must be used that overrides the setState method to provide state change notification.
> Returns:    the server state noted at entry to this method
> {quote}
> Possible approaches:
> * polling 
> * subclassing (as per javadoc)
> * starting / stopping the Server for the whole test
> * use [innodb-maven-plugin|https://github.com/bmatthews68/inmemdb-maven-plugin], which
is already used by IT tests (note that this may require to launch maven to run the unit test)

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