Help with EJB and JNDI, please

Hello. My name is Santiago, and i am a student from the University of Valladolid, in Spain. I am newcome in the world of EJB, I have done the first EJB from de Sun tutorial (I�m using the Sun Java System Application Server PE 8.2) and now I am trying to improve it in that way: I have the EJB and the client in diferent machines conected.
I am trying to understand how to use JNDI, but i have not good results :( I have read about using ldap but i dont know if it is apropiated, or if it is installed automaticaly with the sun aplication, or if i have to download and install it... i am not sure about anything :)
This is my client�s code (part of it)
Hashtable envirom = new Hashtable();
envirom.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory");
envirom.put("java.naming.factory.url.pkgs","com.sun.enterprise.naming");
envirom.put(Context.PROVIDER_URL,"iiop://Santiago:389");
envirom.put(Context.PROVIDER_URL,"ldap://192.168.1.101:389");
envirom.put(Context.SECURITY_AUTHENTICATION,"none");
InitialContext ctx = new InitialContext(envirom);
Object objref = ctx.lookup("java:comp/env/ejb/Multiplica");
When I try to connect in local mode (client and EJB in the same machine) i get something like that:
javax.naming.CommunicationException: 192.168.1.101:389 [Root exception is java.n
et.ConnectException: Connection refused: connect]
at com.sun.jndi.ldap.Connection.<init>(Connection.java:204)
at com.sun.jndi.ldap.LdapClient.<init>(LdapClient.java:118)
at com.sun.jndi.ldap.LdapClient.getInstance(LdapClient.java:1578)
at com.sun.jndi.ldap.LdapCtx.connect(LdapCtx.java:2596)
at com.sun.jndi.ldap.LdapCtx.<init>(LdapCtx.java:283)
It is even worse when i try it in different machines:
10-mar-2006... com.sun.corba.ee.impl.transport.SocketOrChannelConnectionImp1<init>
ADVERTENCIA: "IOP00410201: <COMM_FAILURE> Fallo de conexion: Tipo de socket: IIOP_CLEAR_TEXT;
name of host: portatil; puerto: 3700"
org.omg.CORBA.COMM_FAILURE: vmcid: SUN minor code:201 completed:No
Both SSOO are XP and I have disabled Firewalls.
PLEASE, if you colud help me It would fantastic, because I am in that trouble, i have tryed 1000 solutions but i am not able to understand it.
Hoping you can help me.
Santiago.

This thread is now being followed up in:
http://swforum.sun.com/jive/thread.jspa?threadID=64092

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I've solved this.
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Here's specific information on my problem:
I am using Illustrator CS2 on a PC
I have written all of the JavaScript scripts that I need to perform various layer selection procedures and they all work perfectly. I have placed them in the Presets > Scripts folder so that they appear in my file menu.
I wrote a very long action that called on these scripts (using Insert Menu Item > then selecting the script by going File > Scripts) sequentially and did some selecting and copy-pasting and applying graphic styles in between scripts. The Action worked PERFECTLY and ran all the scripts I needed to an automated a process that usually takes me an hour in less than five minutes!
I saved the actions and saved the file.
After closing Illustrator all of the lines of the action that called on scripts disappeared! It seems this is a known bug...I currently know of no workaround.
Can anyone help with any of the following things:
1. Getting actions to SAVE the commands to run javascripts
2. Writing a JavaScript that runs an Illustrator Action
3. Writing a JavaScript that runs a Visual Basic script that runs an Illustrator Action.
I spent three days learning the basics of JavaScript (mostly by trial and error) and successfully wrote all the scripts I needed...I was overjoyed! But now that I've closed illustrator my actions to run said scripts do not work. PLEASE ADVISE!!!
Thanks in advance,
Matthew

try next
1)if possible split JS-code into 2 parts (before/after action)
2)make vbs script with contents
Set appRef = CreateObject("Illustrator.Application.3")
appRef.DoJavaScriptFile("C:\my1.js")
appRef.DoScript(Action As String, From As String)
'add wait while ActionIsRunning
appRef.DoJavaScriptFile("C:\my2.js")
3) run vbs (File > Scripts or double-click).

Please help with Firewall and/or other Settings to Chat (MSN Messenger).

I've tried to chat on all (I think) the messenger programs available for Mac that use a hotmail account or .net passport - Adium, Fire, Mercury (current) and MSN itself - and I have the same problem with all of them: I keep getting cut off/disconnected from MSN! No problems with Yahoo messenger or Yahoo ID (although it can be a bit slow sometimes), just with .net passport account.
I'm pretty sure it's got something to do with Firewall and/or related settings, but after months of trying to fix it, I'm about to give up... please help!
Currently the following Firewall ports are all open:
6891 – 6900
1863
80
1080
5060, 9000, 9010 (UDP – typed like that)
including:
Personal File Sharing
Windows Sharing
Remote Login - SSH
and Printer Sharing.
In my most recent disconnected conversation, Mercury logged a "socket fired exception" error.
I'm on a broadband/adsl connection, shared with hubby's pc through ethernet (and he never gets disconnected from msn, btw).
ANY suggestions would be welcome, but apart from the above, please tell me how/where to find what you tell me to look at or for, because I'm a new Mac user (six months), and on top of that I'm blonde
Many Thanks!
Mac Mini (PowerMac10,1) Mac OS X (10.4.3) 1.42 GHz PowerPC G4 with 1 GB DDR SDRAM

Update:
Someone very kindly pointed out that my Firewall is actually Off (probably because I omitted to click on the Start button)... I did say I'm blonde
So now I'm really stumped... anybody got any ideas? Please?

Please help with TV and home theater system for very large basement room....

I'm looking to get my boyfriend either a TV or home theater system for the basement. I know he eventually wants a 3d TV. Right now he has a set up where he has 2 tv's so he can play video games and watch sports.
The basement that the tv and home theater system will be in is large (I'd estimate at least 15 ft x 30 ft...maybe more) so I want to make sure the home theater system will be enough for the room. We live in a ranch so basically the basement is almost the size of the house with some of it being storage.
I've started to look at products online but there are so many and technology isn't really my thing.
If anyone could help with recommendations for the home theater system and/or the tv I'd appreciate it!
Thanks so so sooo much!!!!

What will he be using the HT system for? Just watching sports or skipping the movie theater and watching them at home. If you plan to watch them at home your going to be on a tight budget with the home theater system but it is possible. Spend good money on the sub, that is one speaker you don't want to skimp out on. With such a big space you have a lot of room to fill and the cheap subs aren't going to cut it. You will probably need two subs as it is. The speakers I recommend on a tight budget Polk or Klipsch. My list includes a Denon receiver as I am a Denon fan but Yamaha, Onkyo, or Pioneer will suffice.
Here is a Option 1 will run you about 1700 with just one sub. You could always go up a model on each speaker if you feel the one sub is enough. I like an explosion sounding like it happened in front of me so that is why I mention 2 subs.
http://www.bestbuy.com/site/Denon+-+630W+7.1-Ch.+3D+Pass+Through+A/V+Home+Theater+Receiver/9894577.p...
http://www.bestbuy.com/site/Polk+Audio+-+Dual+5-1/4%22+2-Way+Floor+Speakers+(Each)+-+Black/8825453.p... speakers&cp=1&lp=12
http://www.bestbuy.com/site/Polk+Audio+-+5-1/4%22+Bookshelf+Speakers+(Pair)+-+Black/8825444.p?id=120... speakers&cp=1&lp=2
http://www.bestbuy.com/site/Polk+Audio+-+5-1/4%22+Center-Channel+Speaker+-+Black/8826149.p?id=120735... speakers&cp=1&lp=28
http://www.bestbuy.com/site/Speakers/Subwoofer-Speakers/abcat0205008.c?id=abcat0205008&&initialize=f...
Option 2 will cost $1400 before a subwoofer
http://www.bestbuy.com/site/Denon+-+630W+7.1-Ch.+3D+Pass+Through+A/V+Home+Theater+Receiver/9894577.p...
http://www.bestbuy.com/site/Mirage+-+OS%26%23179%3B-CC+Ompipolar+3-Way+Center-Channel+Speaker+-+Blac... speaker&cp=1&lp=11
and 4 of the below speaker
http://www.bestbuy.com/site/Mirage+-+OS%26%23179%3B-SAT+4-1/2%22+2-Way+Satellite+Speaker+(Each)+-+Hi... speaker&cp=1&lp=15

Please help with email and synching

Hoping someone could help with my email!! I have my show filed messages to off. So, when I go in the hub and click my one email account, it shows all my filed emails, such as a folder named old mail. Now, I can fix this by clicking on the dropdown and click inbox, then it shows just my inbox and no filed messages. But if I get a text or FB and enter that in the hub, then click back in the email account it then shows all my filed messages. I just want to see my inbox and that is it! Why is this not working right? I'm on 10.1 and using Microsoft Exchange. I have my old mail being synced, but I don't want to see my old mail. It's literally thousands of emails. If I unsych old mail then it is fine...but if I want to file something to the old mail file, then the whole thing sychs again and shows all my filed messages.
I don't know why this is becoming so difficult, but I just can't continue with my email folder showing all of these folders I don't want to see. The email is hard enough without seeing a line of the body of the email and only the subject....this is making it even more crazy for me. I really want to stick it out....but not sure if I can...and I want to. Is this a bug or just the new way BB handles email. Assuming its a bug being I have filed messages not to be seen.

Finally, this plug-in is ready for beta testing on www.amazoncanvas.com
Thank you all who have participated in this program.

Please help with margins and tags

Hope someone can help with a sudden problem I’m having with tags and margins. Out of the blue it seems Dreamweaver wants to create a margin between two <div’s,> but only if a tag is applied to the text, such as <p><h1><h2> etc. Here’s an example; Say at the top of the page you have a <div> named “header,” below it there’s a <div> named “content.” So far no problem, but as soon as I put text in the “content” <div> and give the text a tag, the “content <div> drops roughly 25 – 30px below the “header” <div> leaving a margin. To make it even stranger; If I were to insert an image into the “content” <div> first, then the text, it behaves as normal. I’m just baffled; if anyone has an answer it would be greatly appreciated.

That did it, thank you so much!
It's still just a bit of a mystery why it suddenly started doing this, guess I’ll just have to strip that code in manually from now on, unless you have the answer on how to have it default to a margin and padding of 0.
Anyway, thank you for your help.

Help with EJB Arch: Synchronous front-end -- Asynchronous back-end

Hi folks, We are developing an application with the following characteristics: - users can invoke requests on our appl and they will expect a quick response - to obtain the information requested by the user, our application talks with Tibco using RV. This communication follows a pub/sub messaging paradigm and is asynchronous. - thus, we have a synchronous req/resp front-end and an asynch back-end.
We would like some advice as to the best way of architecting this application. Here is our approach. Please critic and suggest alternatives.
1. Consider an user who has requested something from our app. 2. The user will be using a JSP based front-end. (S)he submits the request on a form and a servlet is driven. 3. The servlet uses a session EJB and invokes one of its methods, which handles some business-specific logic. 4. The method in the session EJB then instantiates a helper class. 5. A method on our helper class is now driven. This method sends a message to Tibco and it provides a callback method in the helper class. 6. The method in the helper class blocks the thread - basically, it waits. 7. Meanwhile, Tibco does the processing and invokes the callback method (in the helper class) with the result. 8. In the callback method, the data sent by Tibco is stored in member variables of the helper class. 9. The callback method wakes up the blocking thread. 10. The method in step 6 wakes up and returns the information to the session EJB. 11. The session EJB returns the information to the invoking servlet. 12. The servlet provides the information back to the user.
The version of Tibco-RV that we are using is not JMS compliant.
We keep hearing that threads should be handled very carefully in an EJB container environment, so we would like to know if the way we are handling the thread in the helper class is okay. Could we remove the helper class and do the same thread-handling in the session EJB itself?
Can we use JMS in this solution even though our Tibco-RV does not support JMS?
Tools: Weblogic App Server 6.1, JBuilder 5.0.
Thanks for your advice and suggestions!

Let me start off by mentioning that Sonic MQ (an excellent JMS server) now provides a bridge for TIB/Rendezous. I am also wrestling with a simliar issue, something that requires threading at the servlet or ejb level, and have given some thought to using JMS. My concern was that JMS is an asynchronous process so it's model does not fit well with the synchronous front end. Technically I can see a few ways to implement it but architecturally I am not convinced that they are sound. You could send a message from the session bean to the TIB via SonicMQ and have a JMS message bean registered as a listener for messages from the TIB, again via SonicMQ. The JMS bean could update a static class or singleton which your session checks but you still have the issue of making the session bean wait on that event.
I'll do a bit more digging and see if there's a design pattern available for this situation.
-Dat

Help with EJB and JNDI, please

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