Firefox / cookies / sessions - tomcat problem

[Jon Yeargers <jo...@bme.ogi.edu>]

Issue: Im running into problems with a tomcat based application that 
uses the JNDI connection pooling mechanism that ships with tomcat. It 
appears that my session bits are being kept 'alive' by any running 
instances of firefox even after the browser running my app is closed.

Situation: I have a session bean that handles the connection pool. Im 
handling several DBs in it so there are corresponding 'getConnection' 
for each. There are several web-apps in this installation that use this 
session bean (compiled into a .jar with some other common functions).

What happens: I run the app (in firefox) ('A'). All is well. I open 
another instance of firefox ('B'). I close the instance of firefox with 
the app. Browse a bit in the remaining instance. Then I run the app 
again('C'). I get exceptions from any attempt to get DB connection(s). 
Debugging information shows that the constructor in the .jar isn't being 
called as the second process is getting the session object (now 'stale') 
from Firefox ('B').

Question: is there some way to force the app to create a 'fresh' 
instance of a session object? Or am I highly confused on this issue?

Installation ver: tomcat 5.5.9 on Redhat Enterprise. Firefox 1.5


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Re: Firefox / cookies / sessions - tomcat problem

[David Smith <dn...@cornell.edu>]

Firefox 'B' is a new window on the original Firefox 'A' (same 
application instance).  As such they share the same session on your 
webapp.  Your code should check to be sure the session is still valid 
(request.isRequestedSessionIdValid()).

On a design note, you should not be maintaining open connections in 
session.  Open, do your business, and close them immediately within the 
life cycle of a single request.  Pooling will take care of maintaining 
the connections for you.

--David

Jon Yeargers wrote:

> Issue: Im running into problems with a tomcat based application that 
> uses the JNDI connection pooling mechanism that ships with tomcat. It 
> appears that my session bits are being kept 'alive' by any running 
> instances of firefox even after the browser running my app is closed.
>
> Situation: I have a session bean that handles the connection pool. Im 
> handling several DBs in it so there are corresponding 'getConnection' 
> for each. There are several web-apps in this installation that use 
> this session bean (compiled into a .jar with some other common 
> functions).
>
> What happens: I run the app (in firefox) ('A'). All is well. I open 
> another instance of firefox ('B'). I close the instance of firefox 
> with the app. Browse a bit in the remaining instance. Then I run the 
> app again('C'). I get exceptions from any attempt to get DB 
> connection(s). Debugging information shows that the constructor in the 
> .jar isn't being called as the second process is getting the session 
> object (now 'stale') from Firefox ('B').
>
> Question: is there some way to force the app to create a 'fresh' 
> instance of a session object? Or am I highly confused on this issue?
>
> Installation ver: tomcat 5.5.9 on Redhat Enterprise. Firefox 1.5
>
>
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Re: NSIS Error during Installation

[Mark Thomas <ma...@apache.org>]

Shyamal Mitra wrote:
> 
> Hi,
> 
> I am trying to install Tomcat 5.5.17 on my PC running Windows XP.
> I have downloaded the executable file from at least two sites. But
> I get the following error while trying to install:
> 
> NSIS Error

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Mark
tomcat-user-owner
> 


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NSIS Error during Installation

[Shyamal Mitra <mi...@cs.utexas.edu>]

Hi,

I am trying to install Tomcat 5.5.17 on my PC running Windows XP.
I have downloaded the executable file from at least two sites. But
I get the following error while trying to install:

NSIS Error

The installer you are trying to use is corrupted or incomplete.
This could be the result of a damaged disk, a failed download or a
virus.

You may want to contact the author of this installer to obtain a new copy.



Do let me know how I can resolve this problem? I have added JAVA_HOME
to the environment variables and I have JDK 1.5 installed on my machine.

Thanks for your help.

Regards,

Shyamal




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