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From "Mohit.Gupta" <Mohit.Gu...@india.rsystems.com>
Subject RE: [SPAM_EMAIL] - RE: RES: Error - java.lang.reflect.InvocationTargetException? - Email has different SMTP TO: and MIME TO: fields in the email addresses
Date Wed, 17 Aug 2005 07:56:57 GMT

Check the second point suggested by Fabrício. Whether your classes need some arguments in
their new constructor.

The best way is to wrap the service method of your web service in a try - catch block. And
print the stack trace and its causes (which will be printed automatically). This stack trace
will give you a fair idea about the problem.

Thanks,
Mohit.

-----Original Message-----
From: zze-ELSOKHON Tony RD-BIZZ-ISS
[mailto:tony.elsokhon@rd.francetelecom.com]
Sent: Wednesday, August 17, 2005 1:03 PM
To: axis-user@ws.apache.org
Subject: [SPAM_EMAIL] - RE: RES: Error -
java.lang.reflect.InvocationTargetException? - Email has different SMTP
TO: and MIME TO: fields in the email addresses




> Javier,

> Where I have to put the class? I putted it into
> [TOMCAT]webapps\axis\WEB-INF\classes and didn't work. Could you be more
> clear please!?!

> Thanks a lot!

> Fabrício

Fabricio,

The Java 1.4.2 API documentation says:

InvocationTargetException is a checked exception that wraps an exception                 thrown
by an invoked method or constructor. [...] The "target exception" that is provided at construction
time [...] may be accessed via the Throwable.getCause() method.

So the JVM's class loader actually finds the classes used by the service implementation.
If you catch the exception and print the stack trace of its cause, you will be able to find
what Exception was thrown by the secondary classes used by the service.

-----Mensagem original-----
De: Javier Gonzalez [mailto:jagonzal@gmail.com] 
Enviada em: terça-feira, 16 de agosto de 2005 18:34
Para: axis-user@ws.apache.org
Assunto: Re: RES: Error - java.lang.reflect.InvocationTargetException?

I'm not sure I'm understanding you two - calling all sorts of Java
classes is possible with axis. Are you sure you have all the needed
classes in the webapp classpath?

Does your class need special parameters for its constructor?

On 8/16/05, Fabrício <fabricio@de9.ime.eb.br> wrote:
> Hi Donald,
> 
> In my case, I really need to have the call to method from another class.
My
> web service is a kind of wrapper for a legacy application. And to do the
> call, it's necessary to escort stdin and stderr. And I'm doing this with
two
> threads. As:
> 
> cmd = "d:\\programs\\cap3\\cap3 " + newPath + "my_seqs";
> process = Runtime.getRuntime().exec(cmd);
> 
> StringBuffer inBuffer = new StringBuffer();
> InputStream inStream = processo.getInputStream();
> new InputStreamHandler( inBuffer, inStream );
> 
> StringBuffer errBuffer = new StringBuffer();
> InputStream errStream = processo.getErrorStream();
> new InputStreamHandler( errBuffer , errStream );
> 
> process.waitFor();
> 
> The InputStreamHandler is another java class. I really don't know how to
> solve it without the use of these threads (another class). :'-(
> 
> --
> 
> Fabrício.
> 
> -----Mensagem original-----
> De: Chen, Donald [mailto:dchen@nrgn.com]
> Enviada em: terça-feira, 16 de agosto de 2005 16:14
> Para: fabricio@de9.ime.eb.br; axis-user@ws.apache.org
> Assunto: RE: Error - java.lang.reflect.InvocationTargetException?
> 
> Yes, exactly.
> 
> The moment I let the method in the WS call another class, I got the
> problem.
> 
> Looks like we are on the same boat.
> 
> Right now, I am trying to rewrite the service provider class to avoid
> the unnecessary calling.
> 
> Also, I suspect the Tomcat is not able to find all the necessary jars to
> facilitating the call.
> 
> Let me know what's your finding?
> 
> Don
> 
> 
> -----Original Message-----
> From: fabricio@de9.ime.eb.br [mailto:fabricio@de9.ime.eb.br]
> Sent: Tuesday, August 16, 2005 1:31 PM
> To: axis-user@ws.apache.org; Chen, Donald
> Subject: Re: Error - java.lang.reflect.InvocationTargetException?
> 
> Hi,
> 
> I'm having the same problem and in my case is because my web service
> needs to
> call a method from a common java class. I need to do this, but I think
> that
> isn't possible in Axis. Does your web service has a method call to
> another
> class to?
> 
> --
> 
> Fabricio.
> 
> 
> Citando "Chen, Donald" <dchen@nrgn.com>:
> 
> > Hi, there.
> >
> > I got a "Error - java.lang.reflect.InvocationTargetException" complain
> > when I tried to invoke a web service.
> >
> > Any idea on how to find out what's going wrong?  And what could be the
> > reason(s)?
> >
> > Thanks.
> >
> > Don
> > PS.  Configure: WinXPPro Tomcat5.5/Axis1.2/JRE1.5
> >
> 
> 
> 
> 
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> 
> 


-- 
Javier Gonzalez Nicolini


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