Re: sending a JSP page by email

[Gabriel Belingueres <be...@gmail.com>]

Hi,

Thanks for the response. This is really a neat solution of my problem
, since I can use Tomcat's JSP engine to create dynamic emails.

I copied the solution you posted on your blog. The email is sent OK
but, since a use a model 2 web framework like Struts, I send the
email, and then I need to send the HTML response back to the client
browser, but when I call the forward(request, response) method, I get
the typical

java.lang.IllegalStateException: Cannot forward after response has
been committed

exception.

I tried overriding the method boolean isCommited() { return false;} in
the class EmailResponseWrapper but it doesn't work either.

Did you ran into the same problem that I did too?

Thanks in advance,
Gabriel

On Thu, 16 Dec 2004 14:28:22 -0500, Graff, David
<da...@cingular.com> wrote:
> Sorry about the double ... this got lost in the lower message response:
> 
> http://bijou.dyndns.org/weblog/computer/software/SendingMailFromJavaServlets
> .html
> 
> or
> 
> http://tinyurl.com/5lukz
> 
> Enjoy.
> 
> -----Original Message-----
> From: Graff, David [mailto:david.graff@cingular.com]
> Sent: Thursday, December 16, 2004 2:22 PM
> To: 'Tomcat Users List'
> Subject: RE: sending a JSP page by email
> 
> Hey kids,
> 
> I had run into this a while back.
> 
> I've got a link here to what I did.  It's rough and ready so don't expect
> too much out of it, but it should be enough to get you runnning.
> 
> -----Original Message-----
> From: fzlists@omnytex.com [mailto:fzlists@omnytex.com]
> Sent: Thursday, December 16, 2004 1:52 PM
> To: tomcat-user@jakarta.apache.org
> Subject: RE: sending a JSP page by email
> 
> I *believe*, but don't hold me to it, that you can implement a filter AFTER
> the JSP renders, in the latest servlet spec.  With that, you shouldn't have
> much trouble taking the output stream and sending it as an eMail.  I'd also
> assume, although I don't know for sure, that you could basically "kill" the
> response at that point, so it's not trying to send back to the client or
> anything.
> 
> http://bijou.dyndns.org/weblog/computer/software/SendingMailFromJavaServlets
> .html
> 
> Enjoy.
> --
> Frank W. Zammetti
> Founder and Chief Software Architect
> Omnytex Technologies
> http://www.omnytex.com
> 
> On Thu, December 16, 2004 1:38 pm, haimra said:
> > I had tried doing the same thing and failed.
> > But after I gained more knowledge I had a new idea that I did not tried
> > yet.
> > I will be happy if you let me know if it works.
> >
> > The basic Idea is that if we used a servelet we had no problem taking the
> > StringBuffer created and coping it into the mail message and not back to
> > the
> > browser.
> >
> >
> > The problem with JSP, it's actually a servlet but we can not control it.
> > In the Java Server Page (O'reilly page 315) book I found some directive
> > element.
> >
> > <%@ page buffer="12kb" autoFlash="false" %>
> >
> > When autoFlash="false" the JSP container will not flush the buffer until
> > the
> > following script <% out.flash() %> is used. Maybe there is a way to
> > redirect
> > this output writer to a buffer and email it.
> >
> > What do you think?
> > Haim
> >
> > -----Original Message-----
> > From: Gabriel Belingueres [mailto:belingueres@gmail.com]
> > Sent: Wednesday, December 15, 2004 12:15 AM
> > To: tomcat-user@jakarta.apache.org
> > Subject: sending a JSP page by email
> >
> > Hi,
> >
> > How can I take advantage of Tomcat's JSP processing engine to use a
> > JSP page as a template for an email?
> >
> > That is, I want to do something like a page forwarding from a servlet,
> > but this forwarding process the JSP page and, instead of send it to
> > the browser, it send it by email to somebody.
> >
> > Thanks in advance,
> > Gabriel
> >
> > ---------------------------------------------------------------------
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> > For additional commands, e-mail: tomcat-user-help@jakarta.apache.org
> >
> >
> >
> >
> > ---------------------------------------------------------------------
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> >
> >
> 
>

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Re: Multiple instances of tomcat

[Darek <dc...@infinitesource.ca>]

All those are threads; tomcat creates 2 at first and the
second forks the rest, if you kill either one tomcat will
exit. I am asking because another server with the same
configuration shows only one single thread.
There are some problems with applications on the first
server, which seem to be related to the memory.
Both servers are running on 2.4.21 kernel and only one of
them shows multiple threads when ps is executed, while both
have tomcat 4.1.27 and j2sdk1.4.2_04. i am not sure what
have I missed. Documentation mentions CATALINA_BASE that
when defined implies multiple virtual hosts. I am not sure
what I have done, while configuration files look exactly
same.

I appreciate your help.

DarekC







On Sat, 12 Mar 2005 07:17:28 -0600
 QM <qm...@brandxdev.net> wrote:
>On Sat, Mar 12, 2005 at 12:21:10AM -0800, Darek wrote:
>:  I have a tomcat 4-1-27 running on RedHat 2.4.21.
>Normally
>: when you startup tomcat it will create a single
>instance, I
>: have however about 28 created right away. I understand
>that
>: they all share the same memory, but I don?t think this
>is a
>: normal behavior. What can be causing this? 
>
>1/ please post a *new* message when writing to the list.
> Replying to
>an old (unrelated) message confuses thread-aware mailers,
>which makes
>your question harder to find (and thus answer).
>
>2/ Are these separate Tomcat instances, or just PIDs?
> Pre-NPTL Linux
>kernels show threads as separate processes.  That's likely
>what you're
>seeing.
>
>-QM
>
>-- 
>
>software  -- http://www.brandxdev.net
>tech news -- http://www.RoarNetworX.com
>
>
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>tomcat-user-help@jakarta.apache.org
>


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Re: Multiple instances of tomcat

[QM <qm...@brandxdev.net>]

On Sat, Mar 12, 2005 at 12:21:10AM -0800, Darek wrote:
:  I have a tomcat 4-1-27 running on RedHat 2.4.21. Normally
: when you startup tomcat it will create a single instance, I
: have however about 28 created right away. I understand that
: they all share the same memory, but I don?t think this is a
: normal behavior. What can be causing this? 

1/ please post a *new* message when writing to the list.  Replying to
an old (unrelated) message confuses thread-aware mailers, which makes
your question harder to find (and thus answer).

2/ Are these separate Tomcat instances, or just PIDs?  Pre-NPTL Linux
kernels show threads as separate processes.  That's likely what you're
seeing.

-QM

-- 

software  -- http://www.brandxdev.net
tech news -- http://www.RoarNetworX.com


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Multiple instances of tomcat

[Darek <dc...@infinitesource.ca>]

 I have a tomcat 4-1-27 running on RedHat 2.4.21. Normally
when you startup tomcat it will create a single instance, I
have however about 28 created right away. I understand that
they all share the same memory, but I don?t think this is a
normal behavior. What can be causing this? 

DarekC

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