Regarding execution of a j2ee project.

Hello I have developed one j2ee project with Tomcat 5.5 & Eclipse 3.2.1
I have stored my project under <TOMCATHOME>/webapps/ <project1-folder>/
If i need to develop another project, where i should create my new project folder. If i use the same webapps folder in the TOMCAT_HOME dir, Eclipse gives error like can't make another project.
Can i make a new project in some other locations other than TOMCAT_HOME dir. For this what steps i need to follow.
Moreover, i can make a .war file for my new project from Eclipse IDE?
What is the use of this war file.
if i need to execute my project from other PC, what should i do for executing my project in different PCs.
Friends, Please help me in this regard.
rgds
tskarthikeyan

Hello Balu Sir,
First of all i am new to j2ee environment. Now i am learning only.
In your reply, it means we can create our own directory for our project in the normal way. we dont need to create the folder under the webapps dir.
I tried this in Eclipse configured with Tomcat. It has been compiled successfully.
For example,
My Project folder is - C:\Java/Eclipse/workspace/ChatServer/
If i execute the application via tomcat like "http://localhost:8080/ChatServer/MainServlet"
it gives internal error some thing like that.
what is wrong in my steps.
Also you mentioned in your reply, we can export the war file of our project.
How to execute the project in different pc with this war?
rgds
tskarthikeyan

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* TxtFileIndexer.java
* Created on 2006�N12��8��, ��3:46
* To change this template, choose Tools | Template Manager
* and open the template in the editor.
package classes.php.lucene;
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Message was edited by:
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Link: [http://help.sap.com/saphelp_nw04/helpdata/en/35/42e13d82fcfb34e10000000a114084/frameset.htm]

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 at weblogic.application.internal.BaseDeployment$1.next(BaseDeployment.java:706)
 at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:35)
 at weblogic.application.internal.BaseDeployment.prepare(BaseDeployment.java:237)
 at weblogic.application.internal.EarDeployment.prepare(EarDeployment.java:61)
 at weblogic.application.internal.DeploymentStateChecker.prepare(DeploymentStateChecker.java:158)
 at weblogic.deploy.internal.targetserver.AppContainerInvoker.prepare(AppContainerInvoker.java:60)
 at weblogic.deploy.internal.targetserver.operations.ActivateOperation.createAndPrepareContainer(ActivateOperation.java:207)
 at weblogic.deploy.internal.targetserver.operations.ActivateOperation.doPrepare(ActivateOperation.java:96)
 at weblogic.deploy.internal.targetserver.operations.AbstractOperation.prepare(AbstractOperation.java:229)
 at weblogic.deploy.internal.targetserver.DeploymentManager.handleDeploymentPrepare(DeploymentManager.java:747)
 at weblogic.deploy.internal.targetserver.DeploymentManager.prepareDeploymentList(DeploymentManager.java:1216)
 at weblogic.deploy.internal.targetserver.DeploymentManager.handlePrepare(DeploymentManager.java:250)
 at weblogic.deploy.internal.targetserver.DeploymentServiceDispatcher.prepare(DeploymentServiceDispatcher.java:159)
 at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer.doPrepareCallback(DeploymentReceiverCallbackDeliverer.java:171)
 at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer.access$000(DeploymentReceiverCallbackDeliverer.java:13)
 at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer$1.run(DeploymentReceiverCallbackDeliverer.java:46)
 at weblogic.work.SelfTuningWorkManagerImpl$WorkAdapterImpl.run(SelfTuningWorkManagerImpl.java:545)
 at weblogic.work.ExecuteThread.execute(ExecuteThread.java:256)
 at weblogic.work.ExecuteThread.run(ExecuteThread.java:221)
>

My First J2EE Project (tm) -- requesting advice!

My client is deeply invested in FileMaker for their Mac-based prepress division, and now they want what will eventually be a very sophisticated application to automate the production of customized paper products. I looked at all the options, and it seemed like my choices were Lasso (FileMaker's own server-side scripting language, sort of a poor man's ColdFusion) and Java. I decided that if I was going to go the JSP route, why not go all the way and do J2EE? Nobody in management knows, just yet, exactly how big this project will become; J2EE seems to offer the greatest potential for absolute scalability and flexibility.
I'd greatly appreciate if someone would take a glance at these requirements and give me any pointers or warnings that come to mind.
The servers will all run on Mac OS X. I'm locked into FileMaker as the database, and WebStar 4D as the server -- those are completely non-negotiable. I plan to use WebStar's Tomcat extensions and just store all the project web documents on the Tomcat server; and I plan to use JBoss as the application server, unless someone convinces me I should buy something more commercial. (Neither our budget nor our predicted project requirements put us anywhere near the Websphere/Dynamo level, but I could probably talk them into a few thousand.)
The eventual workflow will be like this:
1. Client logs onto website, customizes his product by selecting text attributes, typing in text, choosing images from a library, and so forth. Eventually, we might be using a full-scale interactive design applet. Most importantly, he chooses from a few possible document sizes and ink colors.
2. The application generates a low-resolution, watermarked PDF from the client's input, and displays it to him for his approval. If he approves the PDF, a high-resolution, print-ready one is sent to press. Here's the vital part: the PDF must contain proper specification of spot and process colors! If this is lacking, the whole thing goes down the crapper.
3. Somewhere along the line, the client pays for the product via credit card. I assume the best way of dealing with this is to contact a bank that offers online merchant accounts and ask them how to integrate their software into my application.
That's it, for now. Any advice I get will be very greatly appreciated. The PDF question is very important; I'd like to open a separate topic for it, on a more appropriate forum, but I'm not sure which of the forums here is best for that. Any suggestions?
And yes, I'm new to J2EE, coming from a PHP background -- but I've done some studying and built a sample GUI application in Java, so I feel I have a decent grasp on the language itself, and I'm rapidly absorbing J2EE concepts as I go through docs and tutorials. That's not to say I won't hang on your every word if you have some pearls of wisdom.
Please help me out here -- our alternative is to use Lasso. :)

Hi Ceties,
it's difficult to answer general questions about architecture because every person can do it differently, and still all of those ways can be right.
Your device class hierarchy seems well designed and I wouldn't change anything there.
The most comfortable way for me to organize my project is to use auto-populating folders.
I also wouldn't use nested file organization, rather separate folder for every class. This way you don't need to remember the inheritance pattern while going through the files outside of the project.
For more information please visit:
http://zone.ni.com/devzone/cda/tut/p/id/3573#toc4
especially the last paragraph "Additional Resources"
I hope that helps, TRSns
Best regards, Piotr
Certified TestStand Architect
Certified LabVIEW Architect

Regarding execution of a j2ee project.

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