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Posted to user@jmeter.apache.org by DELHOSTE Fabrice <Fa...@gemalto.com> on 2007/10/29 15:49:07 UTC

Calling getSystemResourceAsStream in Test Element

Hi,
 
I'm having problem to load a resource in a test element, overriding
classpath.
 
Actually, I call ClassLoader.getSystemResourceAsStream() in some code
external to JMeter, loading a property file available on the filesystem
(not in JAR).
When calling that code, my custom sampler is unable to find the resource
file whereas it works outside JMeter.
I don't want to change that code, which works normally outside JMeter.
 
Obviously, I have added the directories containing that resource to
user.classpath in jmeter.properties.
I've checked all common classloading stuff but cannot make it work.
 
Any idea? Am I missing something?
 
Fabrice
 

Re: Calling getSystemResourceAsStream in Test Element

Posted by sebb <se...@gmail.com>.
That "hack" is what JMeter uses to update its context class loader,
but unless you use the context classpath of course it won't have any
effect.

On 29/10/2007, DELHOSTE Fabrice <Fa...@gemalto.com> wrote:
> Right, thanks!
>
> That is exactly because my file is not found, it is not searched in the
> user.classpath as soon as I use the system classloader.
>
> The next problem is that the system class path cannot be overriden,
> isn't it?
> First it is not part of the jmeter.bat command and secondly, the -jar
> option ignores the classpath (either -cp or CLASSPATH env variable).
>
> To make it work quickly, I've used an ugly classpath hack
> (http://forum.java.sun.com/thread.jspa?threadID=300557&tstart=240).
>
> Fabrice
>
> -----Original Message-----
> From: sebb [mailto:sebbaz@gmail.com]
> Sent: lundi 29 octobre 2007 18:59
> To: JMeter Users List
> Subject: Re: Calling getSystemResourceAsStream in Test Element
>
> That uses the system class loader.
>
> The user.classpath contents are added to the context classloader, which
> may not be the same.
>
> On 29/10/2007, DELHOSTE Fabrice <Fa...@gemalto.com> wrote:
> >
> > Actually, in my code, I do:
> >
> > ClassLoader.getSystemResourceAsStream("file.properties");
> >
> > The file.properties is in a directory "<dir>/conf".
> > So I added "<dir>/conf" to the classpath.
> > This is to avoid absolute path for global configuration file in file
> > system, not jars.
> > That works fine in my app.
> >
> > It *seems* (I have to confirm or not by unit test) not to work by
> > setting user.classpath to "<dir>/conf" in jmeter.properties.
> > But what I don't understand is that, in my sampler code, when I check
> > the java.class.path property just before loading the file, it is ok.
> >
> > Fabrice
> >
> > -----Original Message-----
> > From: sebb [mailto:sebbaz@gmail.com]
> > Sent: lundi 29 octobre 2007 18:30
> > To: JMeter Users List
> > Subject: Re: Calling getSystemResourceAsStream in Test Element
> >
> > How are you referencing the resource file?
> >
> > If it is a/b/c/d/file.properties, then I think the classpath needs to
> > contain the parent of the directory a, not the directory a/b/c/d
> itself.
> >
> > Whereas in a jar file, the jar needs to be in the classpath, and the
> > file within the jar needs to be a/b/c/d/file.properties.
> >
> > Either way, Java will add a/b/c/d to the classpath.
> >
> > On 29/10/2007, DELHOSTE Fabrice <Fa...@gemalto.com> wrote:
> > >
> > > I've dumped it and even if it is very long, the latest directory is
> > > mine. I tried both relative and absolute path.
> > >
> > > Then, just to test, I've tried to include my property file in a JAR
> > > file and adding that JAR file to classpath (in jmeter.properties)
> > > instead of adding the directory with the resource file in it and it
> > works...
> > >
> > > I'm thinking to write a sample out of my context to be sure but a
> > > bit lazy today... :-)
> > >
> > > Fabrice
> > >
> > > -----Original Message-----
> > > From: sebb [mailto:sebbaz@gmail.com]
> > > Sent: lundi 29 octobre 2007 16:33
> > > To: JMeter Users List
> > > Subject: Re: Calling getSystemResourceAsStream in Test Element
> > >
> > > On 29/10/2007, DELHOSTE Fabrice <Fa...@gemalto.com>
> wrote:
> > > > Hi,
> > > >
> > > > I'm having problem to load a resource in a test element,
> > > > overriding classpath.
> > > >
> > > > Actually, I call ClassLoader.getSystemResourceAsStream() in some
> > > > code external to JMeter, loading a property file available on the
> > > > filesystem (not in JAR).
> > > > When calling that code, my custom sampler is unable to find the
> > > > resource file whereas it works outside JMeter.
> > > > I don't want to change that code, which works normally outside
> > JMeter.
> > > >
> > > > Obviously, I have added the directories containing that resource
> > > > to user.classpath in jmeter.properties.
> > > > I've checked all common classloading stuff but cannot make it
> work.
> > > >
> > > > Any idea? Am I missing something?
> > >
> > > I suggest you dump out the contents of the classpath in the code you
>
> > > are using to interface with your external API.
> > >
> > > Indeed what happens if you call
> > > ClassLoader.getSystemResourceAsStream() in the interface code?
> > >
> > > > Fabrice
> > > >
> > > >
> > >
> > > --------------------------------------------------------------------
> > > - To unsubscribe, e-mail: jmeter-user-unsubscribe@jakarta.apache.org
> > > For additional commands, e-mail: jmeter-user-help@jakarta.apache.org
> > >
> > >
> > > --------------------------------------------------------------------
> > > - To unsubscribe, e-mail: jmeter-user-unsubscribe@jakarta.apache.org
> > > For additional commands, e-mail: jmeter-user-help@jakarta.apache.org
> > >
> > >
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: jmeter-user-unsubscribe@jakarta.apache.org
> > For additional commands, e-mail: jmeter-user-help@jakarta.apache.org
> >
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: jmeter-user-unsubscribe@jakarta.apache.org
> > For additional commands, e-mail: jmeter-user-help@jakarta.apache.org
> >
> >
>
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>
>
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RE: Calling getSystemResourceAsStream in Test Element

Posted by DELHOSTE Fabrice <Fa...@gemalto.com>.
Right, thanks!

That is exactly because my file is not found, it is not searched in the
user.classpath as soon as I use the system classloader.

The next problem is that the system class path cannot be overriden,
isn't it?
First it is not part of the jmeter.bat command and secondly, the -jar
option ignores the classpath (either -cp or CLASSPATH env variable).

To make it work quickly, I've used an ugly classpath hack
(http://forum.java.sun.com/thread.jspa?threadID=300557&tstart=240).

Fabrice

-----Original Message-----
From: sebb [mailto:sebbaz@gmail.com] 
Sent: lundi 29 octobre 2007 18:59
To: JMeter Users List
Subject: Re: Calling getSystemResourceAsStream in Test Element

That uses the system class loader.

The user.classpath contents are added to the context classloader, which
may not be the same.

On 29/10/2007, DELHOSTE Fabrice <Fa...@gemalto.com> wrote:
>
> Actually, in my code, I do:
>
> ClassLoader.getSystemResourceAsStream("file.properties");
>
> The file.properties is in a directory "<dir>/conf".
> So I added "<dir>/conf" to the classpath.
> This is to avoid absolute path for global configuration file in file 
> system, not jars.
> That works fine in my app.
>
> It *seems* (I have to confirm or not by unit test) not to work by 
> setting user.classpath to "<dir>/conf" in jmeter.properties.
> But what I don't understand is that, in my sampler code, when I check 
> the java.class.path property just before loading the file, it is ok.
>
> Fabrice
>
> -----Original Message-----
> From: sebb [mailto:sebbaz@gmail.com]
> Sent: lundi 29 octobre 2007 18:30
> To: JMeter Users List
> Subject: Re: Calling getSystemResourceAsStream in Test Element
>
> How are you referencing the resource file?
>
> If it is a/b/c/d/file.properties, then I think the classpath needs to 
> contain the parent of the directory a, not the directory a/b/c/d
itself.
>
> Whereas in a jar file, the jar needs to be in the classpath, and the 
> file within the jar needs to be a/b/c/d/file.properties.
>
> Either way, Java will add a/b/c/d to the classpath.
>
> On 29/10/2007, DELHOSTE Fabrice <Fa...@gemalto.com> wrote:
> >
> > I've dumped it and even if it is very long, the latest directory is 
> > mine. I tried both relative and absolute path.
> >
> > Then, just to test, I've tried to include my property file in a JAR 
> > file and adding that JAR file to classpath (in jmeter.properties) 
> > instead of adding the directory with the resource file in it and it
> works...
> >
> > I'm thinking to write a sample out of my context to be sure but a 
> > bit lazy today... :-)
> >
> > Fabrice
> >
> > -----Original Message-----
> > From: sebb [mailto:sebbaz@gmail.com]
> > Sent: lundi 29 octobre 2007 16:33
> > To: JMeter Users List
> > Subject: Re: Calling getSystemResourceAsStream in Test Element
> >
> > On 29/10/2007, DELHOSTE Fabrice <Fa...@gemalto.com>
wrote:
> > > Hi,
> > >
> > > I'm having problem to load a resource in a test element, 
> > > overriding classpath.
> > >
> > > Actually, I call ClassLoader.getSystemResourceAsStream() in some 
> > > code external to JMeter, loading a property file available on the 
> > > filesystem (not in JAR).
> > > When calling that code, my custom sampler is unable to find the 
> > > resource file whereas it works outside JMeter.
> > > I don't want to change that code, which works normally outside
> JMeter.
> > >
> > > Obviously, I have added the directories containing that resource 
> > > to user.classpath in jmeter.properties.
> > > I've checked all common classloading stuff but cannot make it
work.
> > >
> > > Any idea? Am I missing something?
> >
> > I suggest you dump out the contents of the classpath in the code you

> > are using to interface with your external API.
> >
> > Indeed what happens if you call
> > ClassLoader.getSystemResourceAsStream() in the interface code?
> >
> > > Fabrice
> > >
> > >
> >
> > --------------------------------------------------------------------
> > - To unsubscribe, e-mail: jmeter-user-unsubscribe@jakarta.apache.org
> > For additional commands, e-mail: jmeter-user-help@jakarta.apache.org
> >
> >
> > --------------------------------------------------------------------
> > - To unsubscribe, e-mail: jmeter-user-unsubscribe@jakarta.apache.org
> > For additional commands, e-mail: jmeter-user-help@jakarta.apache.org
> >
> >
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: jmeter-user-unsubscribe@jakarta.apache.org
> For additional commands, e-mail: jmeter-user-help@jakarta.apache.org
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: jmeter-user-unsubscribe@jakarta.apache.org
> For additional commands, e-mail: jmeter-user-help@jakarta.apache.org
>
>

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Re: Calling getSystemResourceAsStream in Test Element

Posted by sebb <se...@gmail.com>.
That uses the system class loader.

The user.classpath contents are added to the context classloader,
which may not be the same.

On 29/10/2007, DELHOSTE Fabrice <Fa...@gemalto.com> wrote:
>
> Actually, in my code, I do:
>
> ClassLoader.getSystemResourceAsStream("file.properties");
>
> The file.properties is in a directory "<dir>/conf".
> So I added "<dir>/conf" to the classpath.
> This is to avoid absolute path for global configuration file in file
> system, not jars.
> That works fine in my app.
>
> It *seems* (I have to confirm or not by unit test) not to work by
> setting user.classpath to "<dir>/conf" in jmeter.properties.
> But what I don't understand is that, in my sampler code, when I check
> the java.class.path property just before loading the file, it is ok.
>
> Fabrice
>
> -----Original Message-----
> From: sebb [mailto:sebbaz@gmail.com]
> Sent: lundi 29 octobre 2007 18:30
> To: JMeter Users List
> Subject: Re: Calling getSystemResourceAsStream in Test Element
>
> How are you referencing the resource file?
>
> If it is a/b/c/d/file.properties, then I think the classpath needs to
> contain the parent of the directory a, not the directory a/b/c/d itself.
>
> Whereas in a jar file, the jar needs to be in the classpath, and the
> file within the jar needs to be a/b/c/d/file.properties.
>
> Either way, Java will add a/b/c/d to the classpath.
>
> On 29/10/2007, DELHOSTE Fabrice <Fa...@gemalto.com> wrote:
> >
> > I've dumped it and even if it is very long, the latest directory is
> > mine. I tried both relative and absolute path.
> >
> > Then, just to test, I've tried to include my property file in a JAR
> > file and adding that JAR file to classpath (in jmeter.properties)
> > instead of adding the directory with the resource file in it and it
> works...
> >
> > I'm thinking to write a sample out of my context to be sure but a bit
> > lazy today... :-)
> >
> > Fabrice
> >
> > -----Original Message-----
> > From: sebb [mailto:sebbaz@gmail.com]
> > Sent: lundi 29 octobre 2007 16:33
> > To: JMeter Users List
> > Subject: Re: Calling getSystemResourceAsStream in Test Element
> >
> > On 29/10/2007, DELHOSTE Fabrice <Fa...@gemalto.com> wrote:
> > > Hi,
> > >
> > > I'm having problem to load a resource in a test element, overriding
> > > classpath.
> > >
> > > Actually, I call ClassLoader.getSystemResourceAsStream() in some
> > > code external to JMeter, loading a property file available on the
> > > filesystem (not in JAR).
> > > When calling that code, my custom sampler is unable to find the
> > > resource file whereas it works outside JMeter.
> > > I don't want to change that code, which works normally outside
> JMeter.
> > >
> > > Obviously, I have added the directories containing that resource to
> > > user.classpath in jmeter.properties.
> > > I've checked all common classloading stuff but cannot make it work.
> > >
> > > Any idea? Am I missing something?
> >
> > I suggest you dump out the contents of the classpath in the code you
> > are using to interface with your external API.
> >
> > Indeed what happens if you call
> > ClassLoader.getSystemResourceAsStream() in the interface code?
> >
> > > Fabrice
> > >
> > >
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: jmeter-user-unsubscribe@jakarta.apache.org
> > For additional commands, e-mail: jmeter-user-help@jakarta.apache.org
> >
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: jmeter-user-unsubscribe@jakarta.apache.org
> > For additional commands, e-mail: jmeter-user-help@jakarta.apache.org
> >
> >
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: jmeter-user-unsubscribe@jakarta.apache.org
> For additional commands, e-mail: jmeter-user-help@jakarta.apache.org
>
>
> ---------------------------------------------------------------------
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> For additional commands, e-mail: jmeter-user-help@jakarta.apache.org
>
>

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RE: Calling getSystemResourceAsStream in Test Element

Posted by DELHOSTE Fabrice <Fa...@gemalto.com>.
Actually, in my code, I do:

ClassLoader.getSystemResourceAsStream("file.properties");

The file.properties is in a directory "<dir>/conf".
So I added "<dir>/conf" to the classpath.
This is to avoid absolute path for global configuration file in file
system, not jars.
That works fine in my app.

It *seems* (I have to confirm or not by unit test) not to work by
setting user.classpath to "<dir>/conf" in jmeter.properties. 
But what I don't understand is that, in my sampler code, when I check
the java.class.path property just before loading the file, it is ok.

Fabrice

-----Original Message-----
From: sebb [mailto:sebbaz@gmail.com] 
Sent: lundi 29 octobre 2007 18:30
To: JMeter Users List
Subject: Re: Calling getSystemResourceAsStream in Test Element

How are you referencing the resource file?

If it is a/b/c/d/file.properties, then I think the classpath needs to
contain the parent of the directory a, not the directory a/b/c/d itself.

Whereas in a jar file, the jar needs to be in the classpath, and the
file within the jar needs to be a/b/c/d/file.properties.

Either way, Java will add a/b/c/d to the classpath.

On 29/10/2007, DELHOSTE Fabrice <Fa...@gemalto.com> wrote:
>
> I've dumped it and even if it is very long, the latest directory is 
> mine. I tried both relative and absolute path.
>
> Then, just to test, I've tried to include my property file in a JAR 
> file and adding that JAR file to classpath (in jmeter.properties) 
> instead of adding the directory with the resource file in it and it
works...
>
> I'm thinking to write a sample out of my context to be sure but a bit 
> lazy today... :-)
>
> Fabrice
>
> -----Original Message-----
> From: sebb [mailto:sebbaz@gmail.com]
> Sent: lundi 29 octobre 2007 16:33
> To: JMeter Users List
> Subject: Re: Calling getSystemResourceAsStream in Test Element
>
> On 29/10/2007, DELHOSTE Fabrice <Fa...@gemalto.com> wrote:
> > Hi,
> >
> > I'm having problem to load a resource in a test element, overriding 
> > classpath.
> >
> > Actually, I call ClassLoader.getSystemResourceAsStream() in some 
> > code external to JMeter, loading a property file available on the 
> > filesystem (not in JAR).
> > When calling that code, my custom sampler is unable to find the 
> > resource file whereas it works outside JMeter.
> > I don't want to change that code, which works normally outside
JMeter.
> >
> > Obviously, I have added the directories containing that resource to 
> > user.classpath in jmeter.properties.
> > I've checked all common classloading stuff but cannot make it work.
> >
> > Any idea? Am I missing something?
>
> I suggest you dump out the contents of the classpath in the code you 
> are using to interface with your external API.
>
> Indeed what happens if you call
> ClassLoader.getSystemResourceAsStream() in the interface code?
>
> > Fabrice
> >
> >
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: jmeter-user-unsubscribe@jakarta.apache.org
> For additional commands, e-mail: jmeter-user-help@jakarta.apache.org
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: jmeter-user-unsubscribe@jakarta.apache.org
> For additional commands, e-mail: jmeter-user-help@jakarta.apache.org
>
>

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Re: Calling getSystemResourceAsStream in Test Element

Posted by sebb <se...@gmail.com>.
How are you referencing the resource file?

If it is a/b/c/d/file.properties, then I think the classpath needs to
contain the parent of the directory a, not the directory a/b/c/d
itself.

Whereas in a jar file, the jar needs to be in the classpath, and the
file within the jar needs to be a/b/c/d/file.properties.

Either way, Java will add a/b/c/d to the classpath.

On 29/10/2007, DELHOSTE Fabrice <Fa...@gemalto.com> wrote:
>
> I've dumped it and even if it is very long, the latest directory is
> mine. I tried both relative and absolute path.
>
> Then, just to test, I've tried to include my property file in a JAR file
> and adding that JAR file to classpath (in jmeter.properties) instead of
> adding the directory with the resource file in it and it works...
>
> I'm thinking to write a sample out of my context to be sure but a bit
> lazy today... :-)
>
> Fabrice
>
> -----Original Message-----
> From: sebb [mailto:sebbaz@gmail.com]
> Sent: lundi 29 octobre 2007 16:33
> To: JMeter Users List
> Subject: Re: Calling getSystemResourceAsStream in Test Element
>
> On 29/10/2007, DELHOSTE Fabrice <Fa...@gemalto.com> wrote:
> > Hi,
> >
> > I'm having problem to load a resource in a test element, overriding
> > classpath.
> >
> > Actually, I call ClassLoader.getSystemResourceAsStream() in some code
> > external to JMeter, loading a property file available on the
> > filesystem (not in JAR).
> > When calling that code, my custom sampler is unable to find the
> > resource file whereas it works outside JMeter.
> > I don't want to change that code, which works normally outside JMeter.
> >
> > Obviously, I have added the directories containing that resource to
> > user.classpath in jmeter.properties.
> > I've checked all common classloading stuff but cannot make it work.
> >
> > Any idea? Am I missing something?
>
> I suggest you dump out the contents of the classpath in the code you are
> using to interface with your external API.
>
> Indeed what happens if you call
> ClassLoader.getSystemResourceAsStream() in the interface code?
>
> > Fabrice
> >
> >
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: jmeter-user-unsubscribe@jakarta.apache.org
> For additional commands, e-mail: jmeter-user-help@jakarta.apache.org
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: jmeter-user-unsubscribe@jakarta.apache.org
> For additional commands, e-mail: jmeter-user-help@jakarta.apache.org
>
>

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RE: Calling getSystemResourceAsStream in Test Element

Posted by DELHOSTE Fabrice <Fa...@gemalto.com>.
I've dumped it and even if it is very long, the latest directory is
mine. I tried both relative and absolute path.

Then, just to test, I've tried to include my property file in a JAR file
and adding that JAR file to classpath (in jmeter.properties) instead of
adding the directory with the resource file in it and it works...

I'm thinking to write a sample out of my context to be sure but a bit
lazy today... :-)

Fabrice

-----Original Message-----
From: sebb [mailto:sebbaz@gmail.com] 
Sent: lundi 29 octobre 2007 16:33
To: JMeter Users List
Subject: Re: Calling getSystemResourceAsStream in Test Element

On 29/10/2007, DELHOSTE Fabrice <Fa...@gemalto.com> wrote:
> Hi,
>
> I'm having problem to load a resource in a test element, overriding 
> classpath.
>
> Actually, I call ClassLoader.getSystemResourceAsStream() in some code 
> external to JMeter, loading a property file available on the 
> filesystem (not in JAR).
> When calling that code, my custom sampler is unable to find the 
> resource file whereas it works outside JMeter.
> I don't want to change that code, which works normally outside JMeter.
>
> Obviously, I have added the directories containing that resource to 
> user.classpath in jmeter.properties.
> I've checked all common classloading stuff but cannot make it work.
>
> Any idea? Am I missing something?

I suggest you dump out the contents of the classpath in the code you are
using to interface with your external API.

Indeed what happens if you call
ClassLoader.getSystemResourceAsStream() in the interface code?

> Fabrice
>
>

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Re: Calling getSystemResourceAsStream in Test Element

Posted by sebb <se...@gmail.com>.
On 29/10/2007, DELHOSTE Fabrice <Fa...@gemalto.com> wrote:
> Hi,
>
> I'm having problem to load a resource in a test element, overriding
> classpath.
>
> Actually, I call ClassLoader.getSystemResourceAsStream() in some code
> external to JMeter, loading a property file available on the filesystem
> (not in JAR).
> When calling that code, my custom sampler is unable to find the resource
> file whereas it works outside JMeter.
> I don't want to change that code, which works normally outside JMeter.
>
> Obviously, I have added the directories containing that resource to
> user.classpath in jmeter.properties.
> I've checked all common classloading stuff but cannot make it work.
>
> Any idea? Am I missing something?

I suggest you dump out the contents of the classpath in the code you
are using to interface with your external API.

Indeed what happens if you call
ClassLoader.getSystemResourceAsStream() in the interface code?

> Fabrice
>
>

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