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Date: Fri, 17 May 2013 13:05:40 -0400
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 <CACZkXPzJ166b-bPVW_BBWsQ-sF1CHwnzn8+riBYOr6TUraCzaA@mail.gmail.com>
Subject: Re: [pool] 1.x and TestGenericObjectPoolClassLoaders
From: Gary Gregory <garydgregory@gmail.com>
To: Commons Developers List <dev@commons.apache.org>,
 Bruno Kinoshita <brunodepaulak@yahoo.com.br>
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Yep, it's a resource problem. I found a simple way to fix it. see revision
1483916.

Thank you for digging in.

Gary


On Fri, May 17, 2013 at 12:18 PM, Bruno P. Kinoshita <
brunodepaulak@yahoo.com.br> wrote:

> Hello,
>
> TL;DR:
> looks like there is an ignored exception that occurs when the test factory
> CustomClassLoaderObjectFactory tries to load a not existing resource.
>
> Test files 'test1' and 'test2' that are not processed by Maven (branch 1.x
> has a not-maven-default directory structure). This way, no new objects are
> created/added to the pool and the test fails.
>
> ---
>
> FWIU, in TestGenericObjectPoolClassLoaders.java the
> testContextClassLoader() test method creates custom class loaders
> (CustomClassLoader) and custom class loader object factories
> (CustomClassLoaderObjectFactory).
>
> These factories are created with a number and the makeObject() method
> returns an URL to a resource "test" + n.
>
> In the test package, there are two files, test1 and test2 that were
> supposed to be used in the test. However, it looks like during test
> execution these files are not included by Maven (probably because the 1.x
> branch has a custom directory structure).
>
> Thus, the CustomClassLoaderObjectFactory#makeObject() method returns null.
> When the GenericObjectPool tries to create a new object (using that
> factory) an exception is raised, but ignored (see GenericObjectPool, line
> 1801). And in the end no new objects are added to the pool and the test
> fails.
>
> I think we could fix it by changing the pom.xml to include these two files
> or by dropping these files and creating some other dummy URL for tests.
> Here's a patch that worked for me [1] (sorry, going to a meeting and
> couldn't attach a decent patch right now).
>
> Just my 0.02 cents, hope that helps.
>
> Apache Maven 3.0.5 (r01de14724cdef164cd33c7c8c2fe155faf9602da; 2013-02-19
> 10:51:28-0300)
> Maven home: /opt/java/apache-maven-3.0.5
> Java version: 1.6.0_43, vendor: Sun Microsystems Inc.
> Java home: /opt/java/jdk1.6.0_43/jre
> Default locale: en_US, platform encoding: UTF-8
> OS name: "linux", version: "3.8.0-21-generic", arch: "amd64", family:
> "unix"
>
> Cheers, Bruno
>
> [1] https://gist.github.com/kinow/5600147
>
> Bruno P. Kinoshita
> http://kinoshita.eti.br
> http://tupilabs.com
>
>
> --- Em sex, 17/5/13, Mark Thomas <markt@apache.org> escreveu:
>
> > De: Mark Thomas <markt@apache.org>
> > Assunto: Re: [pool] 1.x and TestGenericObjectPoolClassLoaders
> > Para: "Commons Developers List" <dev@commons.apache.org>
> > Data: Sexta-feira, 17 de Maio de 2013, 10:03
> > On 17/05/2013 13:51, Gary Gregory
> > wrote:
> > > On Thu, May 16, 2013 at 6:30 PM, Mark Thomas <markt@apache.org>
> > wrote:
> > >
> > >> On 16/05/2013 20:58, Gary Gregory wrote:
> > >>> TestGenericObjectPoolClassLoaders (1)
> > >>>
> > org.apache.commons.pool.impl.TestGenericObjectPoolClassLoaders
> > >>>
> > >>
> >
> testContextClassLoader(org.apache.commons.pool.impl.TestGenericObjectPoolClassLoaders)
> > >>> junit.framework.AssertionFailedError: Wrong
> > number of idle objects in
> > >> pool1
> > >>> expected:<1> but was:<0>
> > >>
> > >> <snip/>
> > >>
> > >>>     at
> > >>
> >
> org.apache.commons.pool.impl.TestGenericObjectPoolClassLoaders.testContextClassLoader(TestGenericObjectPoolClassLoaders.java:46)
> > >>
> > >> <snip/>
> > >>
> > >> Looking at line 46 of the test, it is possible that
> > it could fail
> > >> depending on the execution timing. Maybe try
> > increasing the Thread.sleep()
> > >> ?
> > >>
> > >
> > > I am glad it works on your end.
> > >
> > > It fails no matter what I change the numbers to, for
> > example:
> >
> > OK. That makes a timing issue unlikely.
> >
> > >
> > >
> >    pool1.setTimeBetweenEvictionRunsMillis(20);
> > >
> >    Thread.sleep(5000);
> > >
> > > or:
> > >
> > >
> >    pool1.setTimeBetweenEvictionRunsMillis(1000);
> > >
> >    Thread.sleep(5000);
> > >
> > > arg :(
> > >
> > > I makes it hard to cut an RC!
> >
> > Indeed.
> >
> > I'd suggest it is time to step through that test case with
> > the debugger
> > in Eclipse and figure out why the object isn't being
> > created.
> >
> > Mark
> >
> >
> > ---------------------------------------------------------------------
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> >
> >
>
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-- 
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