Re: code snippet...
OO Rules state that memory allocation (new) should never take place in constructoror init methods.You want your original object to completely allocate and initialise itself before constructing any more objects. The same would apply for all 'new' objects downthe hierarchy chain.
Make Sense?
Martin Gainty
__
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>From: "Ceron, Jay" <[EMAIL PROTECTED]>
>Reply-To: A mailing list about Java Server Pages specification and reference <[EMAIL PROTECTED]>
>To: [EMAIL PROTECTED]
>Subject: code snippet...
>Date: Wed, 2 Apr 2003 16:20:33 -0500
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>The following snippet works without a problem:
>
>try
>{
> ...
>
> ReferenceDataBean ref = new ReferenceDataBean();
> ref.connect();
>
> session.setAttribute("resultsbean", ref);
>
>
>getServletContext().getRequestDispatcher("/idpayCreateDist.jsp").forward(req
>uest, response);
>}
>
>But when I make the reference bean a member of the servlet class, allocating
>with new in the init() function, I get a null exception.
>
>try
>{
> ...
>
> session.setAttribute("resultsbean", ref); // ref is a class
>attribute
>
>
>getServletContext().getRequestDispatcher("/idpayCreateDist.jsp").forward(req
>uest, response);
>}
>
>Does anyone know why?
>
> >
> > Goldman, Sachs & Co.
> > 10 Hanover Square 16th Floor | New York, New York 10005
> > Tel: 212-902-7887 | Fax: 212-357-3045
> > email: [EMAIL PROTECTED]
> >
> > Jay C. Ceron
> > Financial Technology Division Goldman Sachs
> >
> > __
> >
> >
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code snippet...
The following snippet works without a problem:
try
{
...
ReferenceDataBean ref = new ReferenceDataBean();
ref.connect();
session.setAttribute("resultsbean", ref);
getServletContext().getRequestDispatcher("/idpayCreateDist.jsp").forward(req
uest, response);
}
But when I make the reference bean a member of the servlet class, allocating
with new in the init() function, I get a null exception.
try
{
...
session.setAttribute("resultsbean", ref); // ref is a class
attribute
getServletContext().getRequestDispatcher("/idpayCreateDist.jsp").forward(req
uest, response);
}
Does anyone know why?
>
> Goldman, Sachs & Co.
> 10 Hanover Square 16th Floor | New York, New York 10005
> Tel: 212-902-7887 | Fax: 212-357-3045
> email: [EMAIL PROTECTED]
>
> Jay C. Ceron
> Financial Technology Division Goldman Sachs
>
> __
>
>
===
To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST".
For digest: mailto [EMAIL PROTECTED] with body: "set JSP-INTEREST DIGEST".
Some relevant archives, FAQs and Forums on JSPs can be found at:
http://java.sun.com/products/jsp
http://archives.java.sun.com/jsp-interest.html
http://forums.java.sun.com
http://www.jspinsider.com
Re: How to hand in the passwords to users [urgent!]
Thanks to all! I have notice that all of you had told me that the best and correct way would be the e-mail. But the problem is that we don't know all the students'e-mails and the only one way to recover their e-mails is to let them enter to the site. And the problem begin. they could not enter without their passwords. What can I do? Regards, Nancy. "karthikeyan.balasubramanian" wrote: > To add ICING on the Cake you might want to explore Gnu Privacy Gaurd(GPG). > To send encrypted messages > which are difficult to read even if the get hold of it in between. > > http://www.flexistentialist.org/archives/000207.shtml > > I got this with just a single search on google. > > Have a great day. > > Karthikeyan. > > -- Original Message - > From: "Velmurugan (Java Team)" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Wednesday, April 02, 2003 11:12 AM > Subject: Re: How to hand in the passwords to users [urgent!] > > David, > That is good idea. > > Nancy, > E-mail is best way to handover the password to the user.Most of the on-line > websites following this approach. > Please follow the same. > > Regards, > Velmurugan P > Java Team. > > - Original Message - > From: "Karr, David" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Wednesday, April 02, 2003 3:11 AM > Subject: Re: How to hand in the passwords to users [urgent!] > > > Ah, ok, that's another occasional scenario. > > > > A good way to resolve this is to have either the student id or their web > > site registration associated with an email address. The registration > > for the web site will construct a random password and email it to the > > user. The user can't log in until they get the password from their > > email. They can't get the password unless they can get to the email > > account for that student id (or the address they enter for the > > registration). > > > > > -Original Message- > > > From: Nancy Crisostomo Martinez [mailto:[EMAIL PROTECTED] > > > > > > Thanks David, > > > Not exactly, > > > > > > My application is some kind of schoolar system. In it the students > > could > > > find all > > > their schoolar information by their own. Yor know, grades, schedules, > > > finantial > > > information, etc.. So the user id is given by their student id... so > > that > > > is > > > clear... but the problem begin because we need to give their passwords > > to > > > enter to > > > the site We don't want to give a general password for all, because > > > some 'bad' > > > friends of some students could know his/her student id and enter to > > the > > > site with > > > the general password and do some 'changes'... > > > We need some help to find the most secure way to hand in or to let the > > > users know > > > their password to enter to the site. > > > > > > Thanks! > > > > > > Nancy > > > > > > "Karr, David" wrote: > > > > > > > Your requirements aren't quite clear, but it sounds like your > > > > application security would look like most online vendor sites, where > > the > > > > user self-registers themselves, deciding on their own password, but > > they > > > > can't get into the rest of the site until they accomplish that. Is > > that > > > > what you're looking for? > > > > > > > > > -Original Message- > > > > > From: Nancy Crisostomo Martinez [mailto:[EMAIL PROTECTED] > > > > > > > > > > I'm trying to entablish the best way to hand in their own user_id > > and > > > > > password to the 3000 users of an applicattion developed. > > > > > > > > > > I don't know which could be the best way to do this without > > forgetting > > > > > the security because each user has some confidential information > > in > > > > > his/her session. > > > > > > > > > > Could you please help me? > > > > > Any clue could help me! > > > > > Thanks in advance! > > > > > > > > > > > > > > > == > > > = > > > > To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff > > JSP- > > > INTEREST". > > > > For digest: mailto [EMAIL PROTECTED] with body: "set > > JSP-INTEREST > > > DIGEST". > > > > > > > > Some relevant archives, FAQs and Forums on JSPs can be found at: > > > > > > > > http://java.sun.com/products/jsp > > > > http://archives.java.sun.com/jsp-interest.html > > > > http://forums.java.sun.com > > > > http://www.jspinsider.com > > > > > > > > > > == > > > = > > > To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP- > > > INTEREST". > > > For digest: mailto [EMAIL PROTECTED] with body: "set JSP-INTEREST > > > DIGEST". > > > > > > Some relevant archives, FAQs and Forums on JSPs can be found at: > > > > > > http://java.sun.com/products/jsp > > > http://archives.java.sun.com/jsp-interest.html > > > http://forums.java.sun.com > > > http://www.jspinsider.com > > > > > === > > To unsubscrib
Re: passing parameters to a servlet
what type of parameter is it ? object / string ? -Original Message- From: Ceron, Jay [mailto:[EMAIL PROTECTED] Sent: 02 April 2003 14:16 To: [EMAIL PROTECTED] Subject: passing parameters to a servlet How do I pass a parameter to a servlet from an HTML or JSP page? Thanks Jay === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". For digest: mailto [EMAIL PROTECTED] with body: "set JSP-INTEREST DIGEST". Some relevant archives, FAQs and Forums on JSPs can be found at: http://java.sun.com/products/jsp http://archives.java.sun.com/jsp-interest.html http://forums.java.sun.com http://www.jspinsider.com === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". For digest: mailto [EMAIL PROTECTED] with body: "set JSP-INTEREST DIGEST". Some relevant archives, FAQs and Forums on JSPs can be found at: http://java.sun.com/products/jsp http://archives.java.sun.com/jsp-interest.html http://forums.java.sun.com http://www.jspinsider.com
Re: passing parameters to a servlet
Thanks. -Original Message- From: Peter Dolukhanov [mailto:[EMAIL PROTECTED] Sent: Wednesday, April 02, 2003 8:31 AM To: [EMAIL PROTECTED] Subject: Re: passing parameters to a servlet A servlet acts much in the same way as a JSP page i.e. http://servername/servlet?parameter=value¶meter2=value is the way to pass variables (or it can be done by POSTing a form). The servlet can retrieve it by using the HttpServletRequest.getParameter(String name) method.. Regards, Peter Dolukhanov -Original Message- From: A mailing list about Java Server Pages specification and reference [mailto:[EMAIL PROTECTED] On Behalf Of Ceron, Jay Sent: 02 April 2003 14:16 To: [EMAIL PROTECTED] Subject: passing parameters to a servlet How do I pass a parameter to a servlet from an HTML or JSP page? Thanks Jay === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". For digest: mailto [EMAIL PROTECTED] with body: "set JSP-INTEREST DIGEST". Some relevant archives, FAQs and Forums on JSPs can be found at: http://java.sun.com/products/jsp http://archives.java.sun.com/jsp-interest.html http://forums.java.sun.com http://www.jspinsider.com === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". For digest: mailto [EMAIL PROTECTED] with body: "set JSP-INTEREST DIGEST". Some relevant archives, FAQs and Forums on JSPs can be found at: http://java.sun.com/products/jsp http://archives.java.sun.com/jsp-interest.html http://forums.java.sun.com http://www.jspinsider.com === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". For digest: mailto [EMAIL PROTECTED] with body: "set JSP-INTEREST DIGEST". Some relevant archives, FAQs and Forums on JSPs can be found at: http://java.sun.com/products/jsp http://archives.java.sun.com/jsp-interest.html http://forums.java.sun.com http://www.jspinsider.com
Re: passing parameters to a servlet
A servlet acts much in the same way as a JSP page i.e. http://servername/servlet?parameter=value¶meter2=value is the way to pass variables (or it can be done by POSTing a form). The servlet can retrieve it by using the HttpServletRequest.getParameter(String name) method.. Regards, Peter Dolukhanov -Original Message- From: A mailing list about Java Server Pages specification and reference [mailto:[EMAIL PROTECTED] On Behalf Of Ceron, Jay Sent: 02 April 2003 14:16 To: [EMAIL PROTECTED] Subject: passing parameters to a servlet How do I pass a parameter to a servlet from an HTML or JSP page? Thanks Jay === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". For digest: mailto [EMAIL PROTECTED] with body: "set JSP-INTEREST DIGEST". Some relevant archives, FAQs and Forums on JSPs can be found at: http://java.sun.com/products/jsp http://archives.java.sun.com/jsp-interest.html http://forums.java.sun.com http://www.jspinsider.com === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". For digest: mailto [EMAIL PROTECTED] with body: "set JSP-INTEREST DIGEST". Some relevant archives, FAQs and Forums on JSPs can be found at: http://java.sun.com/products/jsp http://archives.java.sun.com/jsp-interest.html http://forums.java.sun.com http://www.jspinsider.com
passing parameters to a servlet
How do I pass a parameter to a servlet from an HTML or JSP page? Thanks Jay === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". For digest: mailto [EMAIL PROTECTED] with body: "set JSP-INTEREST DIGEST". Some relevant archives, FAQs and Forums on JSPs can be found at: http://java.sun.com/products/jsp http://archives.java.sun.com/jsp-interest.html http://forums.java.sun.com http://www.jspinsider.com
