Re: Java and CF

[Chris Gottshall]

Try placing the class file in the folder named "classes" (not "cfclasses" - 
that's where the class file versions of your cf code goes) but "classes" should 
be at the same level as "lib" according to my installation, which is right 
under WEB-INF.  

Also make sure that if your java class defines itself as part of a package, 
that you have the correct folder structure to support a call to that package.  
(Ex. "package com.test.classA" in my java source would mean that I need 
"\WEB-INF\classes\com\test\classA.class" to be the physical path, and I would 
instantiate it as such: CreateObject("java", "com.test.classA"))

Hopefully I have helped and not confused you. :)

-Chris

>I've written a java class file I want to use in an app (just testing). 
>but I can't figure out where to put my .class file. I tried putting it 
>in the directory with the page calling it, then calling it
>
>createobject("java","myclass");
>
>But this errored out, not finding the class. So then I placed it in the 
>classpath used according to the cf administrator
>
>c:\cfusionmx7\wwwroot\web-inf\lib
>
>But the same call fails in the same way, even after restarting cf. I 
>have .jar files installed in the same directory that are working fine 
>(JAI, JPedal, etc.), but my .class file just seems to be ignored. Can 
>anyone give me some insight here? TIA
>
>Cutter

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Re: Java and CF

[Bryan Stevenson]

DOH!I should have read the rest of your thread...my bad...ignore me ;-)

It looks like you may have a multi-instance install there so each instance will 
have a classpathjust can't remember the details right now...but that may 
shed some light

Bryan Stevenson B.Comm.
VP & Director of E-Commerce Development
Electric Edge Systems Group Inc.
phone: 250.480.0642
fax: 250.480.1264
cell: 250.920.8830
e-mail: [EMAIL PROTECTED]
web: www.electricedgesystems.com 


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Re: Java and CF

[Bryan Stevenson]

Check your CF Admin settings regarding the Java Classpath...drop your class in 
there and cycle CF services...ta da!!  You can also add a new classpath via CF 
admin if the mood strickes you ;-)

Cheers

Bryan Stevenson B.Comm.
VP & Director of E-Commerce Development
Electric Edge Systems Group Inc.
phone: 250.480.0642
fax: 250.480.1264
cell: 250.920.8830
e-mail: [EMAIL PROTECTED]
web: www.electricedgesystems.com 


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RE: Java and CF

[Guy Rish]

Trevor,

Custom class loader.  Use a custom class loader with the factory pattern to
instantiate all of the Java classes.  It means you'll only ever use the
createObject once - to load the custom class loader/factor.  After that you
use the factory's create method to load a Java class.

You can get a start on it here:
http://www.sys-con.com/coldfusion/article.cfm?id=278

rish

-Original Message-
From: Trevor Holm-Laursen [mailto:[EMAIL PROTECTED] 
Sent: Friday, May 21, 2004 2:20 PM
To: CF-Talk
Subject: Java and CF

Hi All,

We have numerous clients that we have developed sites for where there has
been times when a java solution may have been easier then what we did but
they are all in shared hosting environments.  Is there any way to write java
classes, compile them and place them in the clients webroot, and call them
without the class being in CF's classpath?

Trevor Holm-Laursen

eBusiness Developer, FCS

Direct:  (902)463-5953

FCS (Fundy Computer Services Ltd.)

Tel 877-993-8636

Fax 902-484-5887

Email:  [EMAIL PROTECTED]

Website:  http://www.fcs.ca
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RE: Java and CF

[Peter Theobald]

You will still be able to code in CFML.
By implementing the CFML server in Java, Allaire is merging their CFML and Java 
technologies. You will be able to write code in CFML and ALSO in Java on the same 
server.

So bone up on your CFML :-)

But also start learning some Java.
It's IMHO A very good marriage. CFML is great for doing the most common web/database 
features very quickly and bug free. Java is great for implementing anything else you 
can think of... but not as quickly as CFML.

At 01:21 PM 12/1/00 -0700, Jason Egan wrote:
>ok, for us dough heads (I'm probably the only one) - where would you, or
>anyone else, recommend cf developers to start preparing for the new version
>if they have only ever programmed in CF?
>
>je
>
>-Original Message-
>From: paul smith [mailto:[EMAIL PROTECTED]]
>Sent: Friday, December 01, 2000 11:18 AM
>To: CF-Talk
>Subject: RE: Java and CF
>
>
>The performance comparison Allaire demonstrated at the Conference is not
>exhaustive, of course, but, for THAT app, Allaire's new Java-based approach
>out-performed its existing C++-based approach.
>
>best, paul
>
>At 10:39 AM 12/1/00 -0500, you wrote:
>>There is no WAY a Java server can
>>out perform a *well* *written* C++ server.
>
~~
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RE: Java and CF

[Pete Freitag]

The Java based version of CF will not require you to know anything more than
you need to know currently.  However you will probably start hearing a lot
of people talking about Java, and what you could do with it.  But let me
assure you will be able to do a lot more with Neo (the cf java engine) if
you know Java, so It's a good time to start learning...

I would start by writing some Java applications, get a good Java Book,
Thinking In Java by Bruce Eckel is a great book, very concise, and covers a
lot.  It might not be the best book if your not already familiar with Object
Oriented Programming (OOP), or structured programming.

Download the JDK (Java Development Kit) it has examples and a Java
Compiler... get it at http://java.sun.com/ there is also lots of good
tutorials there.

Once your comfortable with Java, download the Developer Edition of JRun
(it's free) and start playing with JSP, or write some servlets, and start
reading up on J2EE.
~~
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RE: Java and CF

[paul smith]

No change needed.  The CF tags we all know & love will work.
ALLAIRE needs to know Java, we don't.  Just as we don't need
to know C++

Check out:
Archived video and presentation files from the two conference
general sessions are now available in streaming media format at
http://www.allaire.com/conference.

Don't miss:
Due to an overwhelming number of requests, the
MegaDeveloper 2000 video is also available for you to view at
http://www.allaire.com/conference/adc2k_megadev.ram.

best,  paul

At 01:21 PM 12/1/00 -0700, you wrote:
>ok, for us dough heads (I'm probably the only one) - where would you, or
>anyone else, recommend cf developers to start preparing for the new version
>if they have only ever programmed in CF?
>
>je
>
>-Original Message-
>From: paul smith [mailto:[EMAIL PROTECTED]]
>Sent: Friday, December 01, 2000 11:18 AM
>To: CF-Talk
>Subject: RE: Java and CF
>
>
>The performance comparison Allaire demonstrated at the Conference is not
>exhaustive, of course, but, for THAT app, Allaire's new Java-based approach
>out-performed its existing C++-based approach.
>
>best, paul
>
>At 10:39 AM 12/1/00 -0500, you wrote:
> >There is no WAY a Java server can
> >out perform a *well* *written* C++ server.
>
~~
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Re: [RE: Java and CF]

[Alex]

learn how to program 

"Jason Egan" <[EMAIL PROTECTED]> wrote:
ok, for us dough heads (I'm probably the only one) - where would you, or
anyone else, recommend cf developers to start preparing for the new version
if they have only ever programmed in CF?

je

-Original Message-
From: paul smith [mailto:[EMAIL PROTECTED]]
Sent: Friday, December 01, 2000 11:18 AM
To: CF-Talk
Subject: RE: Java and CF


The performance comparison Allaire demonstrated at the Conference is not
exhaustive, of course, but, for THAT app, Allaire's new Java-based approach
out-performed its existing C++-based approach.

best, paul

At 10:39 AM 12/1/00 -0500, you wrote:
>There is no WAY a Java server can
>out perform a *well* *written* C++ server.
~~
Structure your ColdFusion code with Fusebox. Get the official book at 
http://www.fusionauthority.com/bkinfo.cfm

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RE: Java and CF

[Brandon Behrens]

Java.sun.com

Brandon Behrens
Developer
Momentum Software
http://www.momentumsoftware.com
512.236.1517

-Original Message-
From: Jason Egan [mailto:[EMAIL PROTECTED]]
Sent: Friday, December 01, 2000 2:22 PM
To: CF-Talk
Subject: RE: Java and CF

ok, for us dough heads (I'm probably the only one) - where would you, or
anyone else, recommend cf developers to start preparing for the new version
if they have only ever programmed in CF?

je

-Original Message-
From: paul smith [mailto:[EMAIL PROTECTED]]
Sent: Friday, December 01, 2000 11:18 AM
To: CF-Talk
Subject: RE: Java and CF


The performance comparison Allaire demonstrated at the Conference is not
exhaustive, of course, but, for THAT app, Allaire's new Java-based approach
out-performed its existing C++-based approach.

best, paul

At 10:39 AM 12/1/00 -0500, you wrote:
>There is no WAY a Java server can
>out perform a *well* *written* C++ server.
~~
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RE: Java and CF

[Pete Freitag]

They said at the conference that they when Neo (the java based server) comes
out, they will continue to provide service packs to ColdFusion 5 (the
current C++ Codebase) for a long period of time.  So Allaire seams to be
aware that people like Zac don't want to move a Java Application server.

Let me tell you this though you will be sorry when you move to PHP, when
(there is no IF Allaire moves to Java, Allaire is moving to Java) the Java
version comes out it will provide an incredible amount of Extensibility.
Not only will your developers be able to write CFML, they can write JSP,
Servlets, EJB's, etc.  As an application vendor, I am welcoming this move,
it makes it easier to build complex tools, as well as Extensible ones.

Sure maybe we are all jumping on the Java bandwagon, but in this game why go
for one but the winning team.
~~
Structure your ColdFusion code with Fusebox. Get the official book at 
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RE: Java and CF

[Jason Egan]

ok, for us dough heads (I'm probably the only one) - where would you, or
anyone else, recommend cf developers to start preparing for the new version
if they have only ever programmed in CF?

je

-Original Message-
From: paul smith [mailto:[EMAIL PROTECTED]]
Sent: Friday, December 01, 2000 11:18 AM
To: CF-Talk
Subject: RE: Java and CF


The performance comparison Allaire demonstrated at the Conference is not
exhaustive, of course, but, for THAT app, Allaire's new Java-based approach
out-performed its existing C++-based approach.

best, paul

At 10:39 AM 12/1/00 -0500, you wrote:
>There is no WAY a Java server can
>out perform a *well* *written* C++ server.
~~
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RE: Java and CF

[Simon Horwith]

FYI, I used to do a lot of Java development and you obviously don't know a
lot about Java.  Java is the only development language out there written
from the ground up with server extendability in mind.  Whether a java code
base is small or not, depends on what the code must accomplish, and on how
well it is written: this goes for all programming languages.  The java VM is
not the fastest loading thing on the planet, but it does execute code very
fast once it is running.  This wasn't so true in java 1.01, but a lot's
changed since then.  No, java is not optimized for the OPERATING SYSTEM it's
running on, but it IS designed to make full use of the Virtual machine, and
the virtual machine IS optimized to run optimally on the Operating System it
was designed for.  It just goes to show you; you can't believe everything
you read... either that, or you'd best get crackin on that PHP code.

~Simon

> Simon Horwith
> Certified ColdFusion Developer
> Fig Leaf Software
> 1400 16th St NW, # 220
> Washington DC 20036
> 202.797.6570 (direct line)
> www.figleaf.com
> 


-Original Message-
From: Zachary Bedell [mailto:[EMAIL PROTECTED]]
Sent: Friday, December 01, 2000 10:39 AM
To: CF-Talk
Subject: RE: Java and CF


-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

> Allaire has annonced that CF 6 will be 
> entirely written in
> Java on the back end, with CF Tags actually being translated 
> into JSP Code
> and then passed to a servlet engine, all on the back-end.

My only question:  What kind of crack is Allaire smoking, and where
can the rest of us get some?

Good grief!  What would possess an otherwise intelligent programmer
to write a server in Java?  An app server should be small, concise,
FAST, and super optimized for the system it's running on.  Java
misses the boat on all of those criteria.

Am I the only remaining programmer who hasn't jumped on the Java
bandwagon?  I mean... Java's great for certain tasks -- namely those
where speed isn't much of an issue but cross platform functionality
is.  That's certainly not the case for an application server with
thousands of concurrent accesses.  There is no WAY a Java server can
out perform a *well* *written* C++ server.  I wish Allaire would
spend their time fixing & optimizing the C++ codebase instead of
scraping it and rewriting in Java.

I can say this for sure:  If CF ever goes to a Java backend, I'm
moving to PHP...

Regards,
Zac Bedell

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Version: PGPfreeware 6.5.8 for non-commercial use <http://www.pgp.com>

iQA/AwUBOifGG6vhLS1aWPxeEQIxUgCfeNvX00zujxBvXIjNp0wmG59Dx4YAn2Bf
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=TK9q
-END PGP SIGNATURE-
~~
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RE: Java and CF

[paul smith]

The performance comparison Allaire demonstrated at the Conference is not 
exhaustive, of course, but, for THAT app, Allaire's new Java-based approach 
out-performed its existing C++-based approach.

best, paul

At 10:39 AM 12/1/00 -0500, you wrote:
>There is no WAY a Java server can
>out perform a *well* *written* C++ server.


~~
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RE: Java and CF

[Rick Lamb]

Better get moving then. You only have until the end of next year to convert
to PHP.

Rick

-Original Message-
From: Zachary Bedell [mailto:[EMAIL PROTECTED]]
Sent: Friday, December 01, 2000 9:39 AM
To: CF-Talk
Subject: RE: Java and CF


-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

> Allaire has annonced that CF 6 will be
> entirely written in
> Java on the back end, with CF Tags actually being translated
> into JSP Code
> and then passed to a servlet engine, all on the back-end.

My only question:  What kind of crack is Allaire smoking, and where
can the rest of us get some?

Good grief!  What would possess an otherwise intelligent programmer
to write a server in Java?  An app server should be small, concise,
FAST, and super optimized for the system it's running on.  Java
misses the boat on all of those criteria.

Am I the only remaining programmer who hasn't jumped on the Java
bandwagon?  I mean... Java's great for certain tasks -- namely those
where speed isn't much of an issue but cross platform functionality
is.  That's certainly not the case for an application server with
thousands of concurrent accesses.  There is no WAY a Java server can
out perform a *well* *written* C++ server.  I wish Allaire would
spend their time fixing & optimizing the C++ codebase instead of
scraping it and rewriting in Java.

I can say this for sure:  If CF ever goes to a Java backend, I'm
moving to PHP...

Regards,
Zac Bedell

-BEGIN PGP SIGNATURE-
Version: PGPfreeware 6.5.8 for non-commercial use <http://www.pgp.com>

iQA/AwUBOifGG6vhLS1aWPxeEQIxUgCfeNvX00zujxBvXIjNp0wmG59Dx4YAn2Bf
rQHpED2YoaBv5q2SXO2+GYxE
=TK9q
-END PGP SIGNATURE-
~~
Structure your ColdFusion code with Fusebox. Get the official book at 
http://www.fusionauthority.com/bkinfo.cfm

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RE: Java and CF

[Zachary Bedell]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

> Allaire has annonced that CF 6 will be 
> entirely written in
> Java on the back end, with CF Tags actually being translated 
> into JSP Code
> and then passed to a servlet engine, all on the back-end.

My only question:  What kind of crack is Allaire smoking, and where
can the rest of us get some?

Good grief!  What would possess an otherwise intelligent programmer
to write a server in Java?  An app server should be small, concise,
FAST, and super optimized for the system it's running on.  Java
misses the boat on all of those criteria.

Am I the only remaining programmer who hasn't jumped on the Java
bandwagon?  I mean... Java's great for certain tasks -- namely those
where speed isn't much of an issue but cross platform functionality
is.  That's certainly not the case for an application server with
thousands of concurrent accesses.  There is no WAY a Java server can
out perform a *well* *written* C++ server.  I wish Allaire would
spend their time fixing & optimizing the C++ codebase instead of
scraping it and rewriting in Java.

I can say this for sure:  If CF ever goes to a Java backend, I'm
moving to PHP...

Regards,
Zac Bedell

-BEGIN PGP SIGNATURE-
Version: PGPfreeware 6.5.8 for non-commercial use 

iQA/AwUBOifGG6vhLS1aWPxeEQIxUgCfeNvX00zujxBvXIjNp0wmG59Dx4YAn2Bf
rQHpED2YoaBv5q2SXO2+GYxE
=TK9q
-END PGP SIGNATURE-

~~
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http://www.fusionauthority.com/bkinfo.cfm

Archives: http://www.mail-archive.com/cf-talk@houseoffusion.com/
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RE: Java and CF

[Pete Freitag]

Don't forget Java CFX's and EJB's through .
~~
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RE: Java and CF

[Simon Horwith]

CF as it exists now, only has limited java integration.  CF 4.5 has
CFServlet and CFServletParam tags, which are dependent on the JRun engine
being installed on the server.  You can use java class files in much the
same way you'd use COM or CORBA Objects, by mapping them via the CF
Administrator.  Allaire has annonced that CF 6 will be entirely written in
Java on the back end, with CF Tags actually being translated into JSP Code
and then passed to a servlet engine, all on the back-end.
Hope this helps.

~Simon

> Simon Horwith
> Certified ColdFusion Developer
> Fig Leaf Software
> 1400 16th St NW, # 220
> Washington DC 20036
> 202.797.6570 (direct line)
> www.figleaf.com
> 


-Original Message-
From: Brandon Behrens [mailto:[EMAIL PROTECTED]]
Sent: Thursday, November 30, 2000 10:57 AM
To: CF-Talk
Subject: Java and CF


Can CF use Java the way it can with Jrun with other application servers?

Brandon

Brandon Behrens
Developer
Momentum Software
http://www.momentumsoftware.com
512.236.1517

-Original Message-
From: Dave Watts [mailto:[EMAIL PROTECTED]]
Sent: Thursday, November 30, 2000 9:44 AM
To: CF-Talk
Cc: '[EMAIL PROTECTED]'
Subject: RE: Firewall Question

> personally, i don't agree with network admins claiming
> opening security ports is a risk. ports 80 and 25 are
> almost always open and they offer plenty of risk. the
> question really is, is the admin knowledgeable enough to
> control traffic security. companies like checkpoint (they
> might have been acquired - not sure) make/made great
> products for securing internet/network traffic.

With all due respect, I suspect you're not a network admin!

Any time you open a port, it's a risk - it's another thing that has to be
watched. There are typically limited resources for what a network
administrator can deal with, and no matter what products you buy to help
monitor security issues, they still require human guidance and intervention.
I've seen enough misconfigured firewalls to know that you can't simply buy
hardware and software to solve security issues.

The question here is, do the risks outweigh the rewards? From the network
admin's point of view, probably not - until someone convinces him otherwise.

Dave Watts, CTO, Fig Leaf Software
http://www.figleaf.com/
voice: (202) 797-5496
fax: (202) 797-5444
~~
Structure your ColdFusion code with Fusebox. Get the official book at
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RE: Java and CF

[Trahan, Shane]

Where are the archives?

The last post dated in the archive is dated.. Thu Jan 27, 2000 7:54pm
located at http://www.eGroups.com/list/cf-talk


-Original Message-
From: Larry Meadors [mailto:[EMAIL PROTECTED]]
Sent: Friday, June 23, 2000 4:56 PM
To: [EMAIL PROTECTED]
Subject: RE: Java and CF


I've used createobject() successfully. Didn't look to closely at the mem
use. Is it possible that the mem use you're seeing is the jvm?

We just had a thread about cfx tags in java. Read it before going that route
unles you *like* to restart services...

   ;-)

Larry

>>> [EMAIL PROTECTED] 06/23/00 11:08AM >>>
Using CFOBJECT is not the best way eh?

So 4.5 now allows CFX's to be written in Java I always thought it was just
C?  If I recompile the Java Code will I have to register the  CFX's again

-Original Message-
From: Conrad, Christopher [mailto:[EMAIL PROTECTED]] 

CFX_J or CFX's on 4.5x

> -Original Message-
> From: Trahan, Shane [SMTP:[EMAIL PROTECTED]] 
> 
> What is the best way to use Java and CF? I have tried using CFOBJECT but
> have had alot of problems with it not releasing memory etc..  How can I
> best leverage Java and CF?
> 
> If anyone has any insight into Java and CFOBJECT please let me know!! I
have
> been trying to figure out why CFOBJECT doesn't release the memory after
> the class has been called from the CFOBJECT



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RE: Java and CF

[Larry Meadors]

I've used createobject() successfully. Didn't look to closely at the mem use. Is it 
possible that the mem use you're seeing is the jvm?

We just had a thread about cfx tags in java. Read it before going that route unles you 
*like* to restart services...

   ;-)

Larry

>>> [EMAIL PROTECTED] 06/23/00 11:08AM >>>
Using CFOBJECT is not the best way eh?

So 4.5 now allows CFX's to be written in Java I always thought it was just
C?  If I recompile the Java Code will I have to register the  CFX's again

-Original Message-
From: Conrad, Christopher [mailto:[EMAIL PROTECTED]] 

CFX_J or CFX's on 4.5x

> -Original Message-
> From: Trahan, Shane [SMTP:[EMAIL PROTECTED]] 
> 
> What is the best way to use Java and CF? I have tried using CFOBJECT but
> have had alot of problems with it not releasing memory etc..  How can I
> best leverage Java and CF?
> 
> If anyone has any insight into Java and CFOBJECT please let me know!! I have
> been trying to figure out why CFOBJECT doesn't release the memory after
> the class has been called from the CFOBJECT


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RE: Java and CF

[Trahan, Shane]

Using CFOBJECT is not the best way eh?

So 4.5 now allows CFX's to be written in Java I always thought it was just
C?  If I recompile the Java Code will I have to register the  CFX's again

-Original Message-
From: Conrad, Christopher [mailto:[EMAIL PROTECTED]]
Sent: Friday, June 23, 2000 12:34 PM
To: [EMAIL PROTECTED]
Subject: RE: Java and CF


CFX_J or CFX's on 4.5x

Chris

Christopher Conrad
Victoria's Secret Catalogue
http://www.VictoriasSecret.com
Senior.Programmer.Analyst
614.337.5653
[EMAIL PROTECTED]


> -Original Message-
> From: Trahan, Shane [SMTP:[EMAIL PROTECTED]]
> Sent: Friday, June 23, 2000 12:08 PM
> To:   '[EMAIL PROTECTED]'
> Subject:  Java and CF
> 
> What is the best way to use Java and CF? I have tried using CFOBJECT but
> have had alot of problems with it not releasing memory etc..  How can I
> best
> leverage Java and CF?
> 
> 
> If anyone has any insight into Java and CFOBJECT please let me know!! I
> have
> been trying to figure out why CFOBJECT doesn't release the memory after
> the
> class has been called from the CFOBJECT
> --
> 
> Archives: http://www.eGroups.com/list/cf-talk
> To Unsubscribe visit
> http://www.houseoffusion.com/index.cfm?sidebar=lists&body=lists/cf_talk or
> send a message to [EMAIL PROTECTED] with 'unsubscribe' in
> the body.

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RE: Java and CF

[Conrad, Christopher]

CFX_J or CFX's on 4.5x

Chris

Christopher Conrad
Victoria's Secret Catalogue
http://www.VictoriasSecret.com
Senior.Programmer.Analyst
614.337.5653
[EMAIL PROTECTED]


> -Original Message-
> From: Trahan, Shane [SMTP:[EMAIL PROTECTED]]
> Sent: Friday, June 23, 2000 12:08 PM
> To:   '[EMAIL PROTECTED]'
> Subject:  Java and CF
> 
> What is the best way to use Java and CF? I have tried using CFOBJECT but
> have had alot of problems with it not releasing memory etc..  How can I
> best
> leverage Java and CF?
> 
> 
> If anyone has any insight into Java and CFOBJECT please let me know!! I
> have
> been trying to figure out why CFOBJECT doesn't release the memory after
> the
> class has been called from the CFOBJECT
> --
> 
> Archives: http://www.eGroups.com/list/cf-talk
> To Unsubscribe visit
> http://www.houseoffusion.com/index.cfm?sidebar=lists&body=lists/cf_talk or
> send a message to [EMAIL PROTECTED] with 'unsubscribe' in
> the body.
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