Session Context Reload

2002-04-17 Thread Jason Webber

Is there an event my object that I have created and stored in the servlet
context to know when the servlet context is being destroyed or refreshed?

Tomcat 3.3
Apache 1.3.22


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Database Connections and class reloads

2002-04-14 Thread Jason Webber

I have a database pooling class that I wrote.  When the class is created it
is stored in the servlet context so that my jsp and servlets can use it.
However when I change a class everything gets reloaded.  Is there and event
or something that my database pool class can listen to when this reload
happens so that I can release the database connections?


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Upload file to email as attachment

2002-03-20 Thread Jason Webber

jspSmartUpload can be found at http://www.jspsmart.com

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Repost: File upload problem

2002-03-18 Thread Jason Webber

Well I am reposting this message since I haven't got any response and hoping
that the lack of response was because everybody had something better to do
than work all weekend.


When I try and use an html form to upload a file I get the flowing error in
jk.log file:

[Sat Mar 16 10:30:32 2002]  [jk_ajp12_worker.c (503)]:
ajpv12_handle_response, error reading header line

The webserver then gives me a 500 Internal Server Error

I don't get this error if I dont use browse to locate a file and I just hit
the submit button to call my servlet.

html
body
FORM ENCTYPE=multipart/form-data method=POST
action=/prod/servlet/UploadTest
 INPUT TYPE=file NAME=filename
 INPUT TYPE=submit VALUE=upload  name=upload
 /FORM
/body
/html

Any one know what is going wrong?

Tomcat 3.3
mod_jk
Apache 1.3.20
Windows 2000


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Upload file to email as attachment

2002-03-18 Thread Jason Webber

Right now I finally got the file uploading to work properly using
jspSmartUpload.  Now I need to have my servlet send an email with the file
as an attachment.  I believe I wont have a problem saving the file to disk
and then attaching it to an email.  However saving it to disk just to reread
from the disk to send as an attachment seems wasteful.  The files are only
about 30-50kb.  Has anyone done this or is there even a better way to do
this using somethign other than jspSmartUpload?

TIA


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File upload error

2002-03-16 Thread Jason Webber

When I try and use an html form to upload a file I get the flowing error in
jk.log file:

[Sat Mar 16 10:30:32 2002]  [jk_ajp12_worker.c (503)]:
ajpv12_handle_response, error reading header line

The webserver then gives me a 500 Internal Server Error

I don't get this error if I dont use browse to locate a file and I just hit
the submit button to call my servlet.

html
body
FORM ENCTYPE=multipart/form-data method=POST
action=/prod/servlet/UploadTest
 INPUT TYPE=file NAME=filename
 INPUT TYPE=submit VALUE=upload  name=upload
 /FORM
/body
/html

Any one know what is going wrong?

Tomcat 3.3
mod_jk
Apache 1.3.20
Windows 2000


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Reloading of beans and sessiopn no longer valid

2002-02-28 Thread Jason Webber

When I update a bean in my webpages that handles reports, everything seems
to reload.  The database bean reloads that has nothing to do with the report
bean.  This causes my database connections to be reestablished.  The scope
of the database bean is application.  Also all valid sessions are now gone
and all the users must relogin in.  How can I make it so that only the class
that has changed reloads or classes that depends on that class, but not
everything else?

Thanks



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Database bean Destroy

2002-02-28 Thread Jason Webber

I have a database pooling bean that I use.  Is there a way to tell when the
bean is being destroyed becuase the bean has been replaced with a newer
version or is being unloaded for some reason?  I need to know so that I can
close the database connections that the bean is controlling.  I dont want to
wait for the connections just to timeout and have the database reclaim the
connection sessions.  This is because I sometimes get maximum sessions
exceeded with my oracle database.

TIA


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Added newlines in beginning

2002-02-25 Thread Jason Webber

Is there anyway to get rid of about 10 newlines that show up before my
output actually begins?  I have looked all through my code and I don't
believe that they are coming from my code.  Anybody else have this problem?
Any suggestions appreciated.  It is now a problem now that I am writing csv
files to out.

Windows 2000
Apache 1.3.22
Tomcat 3.3


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java.lang.IllegalStateException: Response has already been committed

2002-02-25 Thread Jason Webber

I am trying to insert the output of a servlet into cells in a html table.  I
am getting the above error.  Here is a sample of the code:

../servlet/RevGeocodeBlockServlet writes to the outputstream a string which
represents the location given by the lat and lon specified.


htmlheadtitleLocation/title/headbody
table
trtdDanny/tdtd
jsp:include page=../servlet/RevGeocodeBlockServlet flush=true

jsp:param name=longitude value=%= lon %/

jsp:param name=latitude value=%= lat %/

/jsp:include

/td/tr

trtdJason/tdtd
jsp:include page=../servlet/RevGeocodeBlockServlet flush=true

jsp:param name=longitude value=%= lon %/

jsp:param name=latitude value=%= lat %/

/jsp:include

/td/tr
/table
/body/html

I don't believe that jsp:include should be doing anything to the headers.
Is there anything I can do to get around the problem.


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Generate Random username

2002-02-18 Thread Jason Webber

I am setting up a site where I want to allow a user to create their own
username.  The username and passwords are stored in an Oracle database.  If
the username is already taken I want to be able to give them some choices of
alternate usernames like Yahoo and some other places do.  What is the best
way to do this?

Given:
username webber is already taken I want to give options like: webber02
webber01 and so on.  Do these generators just make up a id and then check to
see if it is already in the database and if it isn't give it as an option?

TIA
Jason


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Database Bean Between JSP and Normal Servlet

2002-02-11 Thread Jason Webber

I have a few servlets and some jsp pages.  Right now the both have their
own database pool.  What is the best way to make the pool avalible to
JSP pages and servlets that I have created myself.  These are in the
same context.  Right now I have database bean that has scope of
application and my servlets extend from a base class that has a static
member that is the database pool.

TIA
Jason


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CSV File

2002-02-05 Thread Jason Webber

I want the browser to download the file and not display a CSV file that
I have created.  Right now I issue the following commands, but it
doesn't seem to work.. Any ideas are appreciated.


String file;
...

response.setHeader(Content-length,file.length());
response.setHeader(Content-type,application/octetstream);
response.setHeader(Content-disposition,inline;
filename=\report.csv\);
out.print(file);


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Database Pooling

2002-02-04 Thread Jason Webber

Does anyone know of a database pooling bean or soemthing that will aloow
me to share connections among many jsp pages.  Preferably something that
is free.



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RE: Session visibility

2002-01-29 Thread Jason Webber

I am using Cookies to keep the sesison information.  I am using servlets
to preform some autheication for a standalone program.  From the
standalone program(which is in Java), I also pop up a browser window and
want it to login automatically to some JSP pages, in other words I want
the session to carry over.  For the intial JSP login I will pass the
sessionid as part of the URL.  How can I make sure that the servlet and
the jsp pages are in the same context?

The servlet is stored under ROOT/WEB-INF/classes/


 I have sessions setup for a couple of different servlets.  For some
 reason the session that are created using one servlet are not
 valid in a
 different servlet.  Is there a way to make this happen?

Assuming when you say servlet you mean jsp page (which is slightly
different):

If they are in the same context they should be.  You need to give us
more
information.

1) Have you got cookies enabled, and/or are you using encodeURL?
2) Are they in the same context?
3) Err...
4) That's it.

Justin.
--
You're only jealous cos the little penguins are talking to me.




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Sessions Timeout

2002-01-28 Thread Jason Webber

I have written an standalone application that is using servlets to login
to the application and to get different data from a database behind a
firewall.  I want to limit the password and username from going over the
net more often than necessary ( I use a MD5 hash of the password to get
it accross the first time with a random Seed value), so I use JSESSIONID
to identify a user and get back some objects I have stored in the
session.  The problem I run into is that the session expire after one
hour.  I know I can just expand this out to a few more hours, but I
really dont want to do this because I do want to erase sessions that
have not been used in more than an hour.  Is there a way to configure
Tomcat to check the expire time against last access time and not
creation time?

TIA
Jason

Tomcat 3.3
Apache 1.3.22
Windows 2000 Pro


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Session IDs

2001-12-20 Thread Jason Webber

Is there anway to prevent this:
http://xxx.xxx.xxx.xxx/Website/m/index.html;jsessionid=beflc8b3d1

I am using Tomcat 3.3 and mod_jk. I have it setup in the config file to
do cookies first.  How can I stop this becuase Apache doesn't know about
the semicolon and to ignore whats after so I get 404 errors.

Windows 2000 Pro
Apache 1.3.22

TIA,
Jason



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JSP in Apache document root

2001-12-14 Thread Jason Webber

Is there any way that I can make it so that I can use JSP pages in my
apache document root but keep the tomcat document root seperate that
contains the servlets and other class in web-inf?
 I just want to be able to have my jsp pages with my normal html pages
and image files sort of like I used to do with PHP files before I switch
to java.

Tomcat 3.3
mod_jk
Apache 1.3.22
Win 2k

TIA


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