EJB library question

Hi,
I am new to EJB framework and I have a question.
I want to access an EJB from another EJB. These two EJBs are in different EARs, and maybe on different servers. How can one accomplish this?
Moreover, I want to create some wrapper classes for the first EJB in order to make the accessing process of the EJB easier.
Is it good to create a new jar and pack this with the second EJB or to pack this with the client of the first EJB?
I hope I have explained my question properly.
Right now I saw that there is a section for Enterprise Java Beans. Sorry for this problem and an admin should move this thread in the right section.
Edited by: mitroiasi on Dec 10, 2008 11:58 PM

http://forum.java.sun.com/thread.jsp?thread=333894&forum=13&message=1363968

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if any body is having a real time ejb interview question , pl. send me a link for that.
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http://forum.java.sun.com/thread.jsp?thread=333894&forum=13&message=1363968

EJB library reference from Web Dynpro

Hi,
1. I have got a WD DC that references an EJB DC and an external library DC (ext_ims_lib_depl) on the same server
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Exception----
Processing HTTP request to servlet [dispatcher] finished with error. The error is: java.lang.NoClassDefFoundError: javax/ejb/EJBHome
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Parent loader name: [Frame ClassLoader]
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Thanks.

Hi Maksim,
Below is an extract of my dcdef file:
<dependency>
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</dependency>
It looks exactly like what you send except for the runtime qualifier.
Thanks.

HT1267 i've got about 2500 songs on my iphone, i have replaced my computer & lost my library-question is why can't i drag/drop new downloaded music to my iphone without 'syncing' & losing my 2500 songs from the iphone?

I've got about 2500 songs on my iphone, i have recently replaced my computer because the old one crashed, so i lost all the songs in the itunes library. My question is, it seems that now i am unable to drag/drop new downloaded songs without syncing my iphone & losing my 2500 songs from the phone?

You cannot. Iphone will sync/manually manage music with one and only one computer at a time. Syncing/manually managing with another will erase the current content from the iphone.
It has always been very basic to always maintain a backup copy of your computer. Use your backup copy to put everything back.

Imported photos error message & Pictures Folder in Library question

I've spent today moving my photos from an external drive to iPhoto on my new iMac. I was pretty much successful, except for a few problems, and questions:
I dragged My Pictures folder from the e-drive to iPhoto, copying the pix. Long story short, I stupidly did it a second time a few hours later, causing a duplicate folder for every one I already had in iPhoto. I dragged each dupe folder to the trash, emptying it after every 100 photos or so. I merged some events, deleted some unwanted pix and organized things a bit.
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I went to Go then to Library and found 2 Recovered Photos folders in "Pictures" in library. I tried to open one and it started Terminal (yikes!). I quickly quit Terminal, hoping I didn't cause my Mac any harm. In the meantime, every time I open iPhoto, I get the same message, along with another Recovered Photos folder in both My Albums in iPhoto and in the Pictures folder in my Library. I now have 6 of these folders in my Library and I'm afraid to go near them. Can I delete them or is that a no-no? (Sorry, I'm an ex-PC user). What can I do to stop that "would I like to import the 3 photos" message every time I open iPhoto?
Also, I know that when I'm ready to backup my photos to the e-drive I'll drag the iPhoto library file from the Library folder directly to the e-drive. But... why are the folders I originally dragged from the e-drive into iPhoto still in my Library folder under "Pictures"? They still have the names I originally gave them when they were on my e-drive, and I've since renamed and merged them in iPhoto. If they've been copied into the official (or whatever it's called) iPhoto library file, then are they dupes? Can I safely delete the old folders or do they serve some kind of purpose?
Thank you in advance,
Sunny (scared to make any mistakes on my new precious machine!)

I dragged My Pictures folder from the e-drive to iPhoto, copying the pix.
That imports your old library into iPhoto and will give you duplicates of all photos and triplicates of modified photos - the way to move your iPhoto library to a new machine is to connect the machines together - via a network or firewire target mode - drag the iPhoto library (if there is one) on the new machine to the desktop and drag the old iPhoto library intact as a single entity to the pictures folder of the new Mac and launching iPhoto on the new machine - there is no importing involved
Long story short, I stupidly did it a second time a few hours later, causing a duplicate folder for every one I already had in iPhoto. I dragged each dupe folder to the trash, emptying it after every 100 photos or so. I merged some events, deleted some unwanted pix and organized things a bit.
Okay, I thought everything was fine, but the next time I opened iPhoto, I got this message: "3 photos have been found in the iPhoto library that were not imported. Would you like to import them?" I hit "Yes", which brought up this message: "3 Unreadable files - The following files could not be imported...". This added a Recovered Photos folder to "My Albums" in iPhoto. I closed iPhoto, and when I opened it again was presented with the same "...would you like to import them" message. This time I hit "No" and was told the files could be found in my Library in a "Recovered Photos" folder.
I went to Go then to Library and found 2 Recovered Photos folders in "Pictures" in library. I tried to open one and it started Terminal (yikes!). I quickly quit Terminal, hoping I didn't cause my Mac any harm. In the meantime, every time I open iPhoto, I get the same message, along with another Recovered Photos folder in both My Albums in iPhoto and in the Pictures folder in my Library. I now have 6 of these folders in my Library and I'm afraid to go near them. Can I delete them or is that a no-no? (Sorry, I'm an ex-PC user). What can I do to stop that "would I like to import the 3 photos" message every time I open iPhoto?
Doing the above procedure will correct this since you are removing the library that has the problem and bringing over a good library
If this ever occurs in the future it is one of the very few times that you should delete something from your iPhoto library - quit iPhoto, right click (control click) on the iPhoto library and select the show package contents command - drag the import (or importing) folder to the desktop and launch iPhoto - the problem will be gone - open the import(ing) folder(s) on your desktop and be sure that there are no photos in there that you want and then delete the folders
Also, I know that when I'm ready to backup my photos to the e-drive I'll drag the iPhoto library file from the Library folder directly to the e-drive. But... why are the folders I originally dragged from the e-drive into iPhoto still in my Library folder under "Pictures"? They still have the names I originally gave them when they were on my e-drive, and I've since renamed and merged them in iPhoto. If they've been copied into the official (or whatever it's called) iPhoto library file, then are they dupes? Can I safely delete the old folders or do they serve some kind of purpose?
When you drag between volumes it copies the files/folders - so to backup you drag the iPhoto library from the pictures folder on your iMac to the external hard drive it will copy it
As to deleting the iphoto library on the e-drive - I suggest you get your iPhoto library totally fixed ad tested on your iMac before deleting any original files or the old iPhoto library
LN

JDev/EJB Deployment Question

After I have successfully deployed an EJB using JDeveloper(3.1.1.2)to OSE (8.1.7)using JDeveloper's Deploy feature, do I still need to write the deployment descriptor manually and use the deployejb command tool? Is the same true when deploying to OAS9i?

If you're using WLS 9.x, then I would package the ejb-client-jar as a library.
If you're using an older version, then you have the 2 choices you mentioned (packaging it in each war file or putting in on the classpath.)
The advantage of the classpath is you have the file in only 1 place. The disadvantage is you must restart the server to update it.
Placing it in each webapp means you have N copies of the jar file, but you'll be able to take an update by just redeploying the webapp not restarting the entire server.
WLS 9.x's libraries give you the best of both worlds. You only manage 1 copy of the file, but you do not need to restart the server. You can also have multiple versions of a given library.
-- Rob
WLS Blog http://dev2dev.bea.com/blog/rwoollen/

EJB Deployment Question

If your servlets are running in the same instance as your EJBs, do you
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If you're using WLS 9.x, then I would package the ejb-client-jar as a library.
If you're using an older version, then you have the 2 choices you mentioned (packaging it in each war file or putting in on the classpath.)
The advantage of the classpath is you have the file in only 1 place. The disadvantage is you must restart the server to update it.
Placing it in each webapp means you have N copies of the jar file, but you'll be able to take an update by just redeploying the webapp not restarting the entire server.
WLS 9.x's libraries give you the best of both worlds. You only manage 1 copy of the file, but you do not need to restart the server. You can also have multiple versions of a given library.
-- Rob
WLS Blog http://dev2dev.bea.com/blog/rwoollen/

Size of iTunes library question

When I am in iTunes and select library, it give me the total number of songs and the gigabytes (in my case assume around 9500 tracks and 43G). However, when I get info on the iTunes folder in my music folder and get info it shows 100G. Is this right? I am trying to back up my music and it appears it is taking up 100G on my LaCie drive.

What is shown in iTunes is the total for what has actually been added to the iTunes library. What is shown in the folder is what is actually in the folder and not everything in the folder has to also be in the iTunes library.
For example, you can delete songs from the iTunes library but answer NO when it asks you if you want to move the files to the trash/recycle also. If you say no, then the files stay on the hard drive in the folder but are no longer in the iTunes library.
So to answer your question, yes, it is completely possible to have the iTunes library be one size and the iTunes folder to be a completely different size. They are not synchronized together.
Patrick

ITunes library question...

before I got myiPod, I had already imported my entire cd collection in mp3 format via media player...when I got my iPod, I imported these files to the library...my question is, can I re-import these files via itunes in AAC format with itunes automatically replacing these mp3 files with the new AAC file, or do I need to manually delete the mp3 files from the library for this to work..please advise.

Hey JoeViv,
You can conert files inside of iTunesthrough the advanced menu. This article: http://docs.info.apple.com/article.html?artnum=93123 gives more detailed information on the process.
You will have a second copy but can always delete the MP3 when you are done converting. Changing the view options will make it easiier to grop the file types.
Jason
MBP 2.0, 2GB ram Mac OS X (10.4.7)

Add new folder to library question

My wife and I have a VERY LARGE library of music and while still trying to get iTunes situated for our particular use we frequently have files that are manually copied into the music file folder that of course iTunes then has no idea is there unless we add the entire music folder to the library AGAIN which takes forever. Also, I'm concerned that it's adding duplicates when it does this.
If we were just adding a single folder or something at a time I wouldn't be concerned, I could just add that one folder, but the way these files are added it's basically a script that runs that compares another drive to the music folders drive of iTunes, whatever is not there it copies over so it's different files, different folders etc so I can't really just select one folder to add, it's adding the entire folder in iTunes again.
Is there an easier way to do this? Will doing this create duplicates?
Thanks!

After posting that and re-reading I decided to re-write it but my system wouldn't let me save the edit; here's the edit...
My wife and I have a very large collection of music that we have been trying to incorporate into a single library for our laptops to use. I think I have it mostly figured out for sharing a library (found an article about using synctoy in Windows to essentially mirror the libraries from a shared network drive while using the same physical copy of music files on a network drive. This seems to be working so far, but...
In the process I have been moving from having a mirrored copy of music on each laptop (via an external USB drive on each laptop) to consolidating that into one music folder on the networked drive. I've got it just about complete but I ran an xcopy script again to ensure all music files from those drives really made it in entirety to the networked drive AFTER adding folder to library in iTunes. Now of course iTunes doesn't know those new files are there and they are all over the place, not in just one directory.
Now the question, if I select add folder to library in iTunes again selecting the entire music folder so it will pick up those new files, will it create duplicate entries in iTunes? Or should this work ok?
Is there an easier way to do this?

Aperture vs iPhoto library questions

Hello, I am brand new to Aperture from iPhoto. I am moving to Aperture to take advantage of the organization options because I am starting to run out of HD space with my 100 GB iPhoto library. I want to have the option in the near future to switch to referenced masters on an external drive. So my question has to do with the unified library between iPhoto and Aperture. When I upgraded to Aperture, I had to first update iPhoto to the new library format. I then opened my iPhoto library in Aperture. Everything I've read about the unified format has explained that it is compatible with both applications. But I've also read that iPhoto does not work with referenced masters. So, can I use Aperture to convert my iPhoto library to Referenced masters? Or do I need to transfer my photos into a native Aperture library first? And then once I switch to referenced masters, will iPhoto still work with my new library?
Thank you,
Ray

But I've also read that iPhoto does not work with referenced masters.
And then once I switch to referenced masters, will iPhoto still work with my new library?
Ray,
iPhoto can use referenced original master image file, it works well in iPhoto '11. Only, iPhoto has no built-in tools to repair broken references, if referenced files get accidentally moved or changed, so it is not recommended to do this in iPhoto. But since you now want to use Aperture, that will not be a problem. You will be able to repair broken references using Aperture. iPhoto will work well with a referenced Aperture library. I am using it all the time.
So, can I use Aperture to convert my iPhoto library to Referenced masters? Or do I need to transfer my photos into a native Aperture library first?
Yes, that is simple.
Upgrade your iPhoto Library by opening it in the latest iPhoto version, and then use the command "File > Open Library in Aperture". Now Aperture will work with your iPhoto library as an Aperture library. Events will show as Projects in Aperture, albums will still be albums. All keywords and ratings, Faces and Places will transfer.
To switch to referenced masters/originals select the images you want to relocate and use the command "File > Relocate originals".
You may want to read this page of the manual:
Aperture 3 User Manual: Working with Referenced Images
But make a full backup of your libraries before you start to reorganize them and relocate files.
Regards
Léonie
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                 New to Aperture? Some Considerations when Designing your First Aperture Library
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Quick Multiple Library Question.

Hi all,
My wife's iPhoto library is hitting 60gigs. Time to split it up. My goal is to keep only this last year (2011) on her laptop and have years 2001-2010 in a separate library on and external HD. Now this library is ten plus years of cropping, adjusting, tagging, organizing and other heavy editing, so I'm trying to find a way to do this without reimporting the originals and modified folders and setting the whole thing back to square one...
My question is this:
Can I duplicate her existing iPhoto library and then just simply rename it?
I'd move the renamed duplicate to the external HD, then she can just delete years 2001-20010 within the library on her laptop and then delete 2011 pics within the external HD one.
That way all her events and folders and edits stay intact, right?
Thanks in advance,
Derrick

Make sure the external is formatted Mac OS Extended (Journaled).
Here's one way to do what you want:
1. Quit iPhoto.
2. Copy the iPhoto Library from your Pictures Folder to the external drive.
Now you have two full copies of the Library. To choose between them: Hold down the option (or alt) key and launch iPhoto. From the resulting menu select 'Choose Library'
3. On the Internal Library, remove the pics you don't want with you all the time.
Now you have one full library on the external and another smaller sub-set on the Internal.
A couple of comments:
a: Managing Multiple Libraries - including moving pics/albums/rolls and metadata between them - is greatly facilitated by using iPhoto Library Manager
b: When you're removing the unwanted pics from the Internal Library you need to delete them in batches of about 100 or so. Trashing more at one time can cause problems with the database.
c: Remember you need a back up on another disk for that Library on the External.
Regards
TD

ICloud photo library question

So I can find hundreds of articles telling me that if you iCloud storage is full, your photos won't sync anymore. But if you have thousands of photos, what will happen in my phone is eventually full?
I mean, I have my "optimize iPhone storage" option turned on, but there will be a maximum right? Or are the optimized versions really that small of size?
Thank you in advance for answering my question.
Rafael

Yeah - I'm not seeing anywhere that it states if there is a maximum of "optimized" photos you can keep on your device. I'm guessing that "optimized" photos must be much like iTunes in the Cloud where you can see all of your music (including what is stored in the cloud), but only the music you have actually downloaded will be on your physical device. So only the "original photos" that the management system have left on your device, or that you have specifically downloaded are actually on your device.
Sorry I'm not 100% on that. I'll see if any of our Photo experts know for certain!
But to answer your question about:
"nowhere it's stated that your oldest/never viewed pictures will be removed from your device" I think this covers that particular question:
How does iCloud Photo Library save space on my device?
If you turn on Optimize [device] Storage, iCloud Photo Library will automatically manage the size of your library on your iOS device, so you can make the most of your device's storage and access more photos than ever. iCloud Photo Library stores the original, high-resolution photos and videos in iCloud and can keep lightweight, device-optimized versions on each of your devices. As long as you have enough storage, recent photos and videos that you access the most will stay on your device at full resolution.
To turn on Optimize [device] Storage on your device, tap Settings > iCloud > Photos or Settings > Photos & Camera, then select Optimize [device] Storage. You need an Internet connection to access an original photo or video that’s stored only in iCloud.
So, if original photos are the ones that are actually on your device, then it will remove older and least viewed original photos to maximize storage when needed.
This is supported by the paragraph about turning off iCloud Photo Library:
You can turn off iCloud Photo Library for a single iOS device by going to Settings > iCloud > Photos and turning off iCloud Photo Library beta. If you turned on Optimize [device] Storage, you might not be storing all original photos and videos on that device. To download the original photos and videos, select Download and Keep Originals.
If it is off, you do not have access to those photos that are "optimized", so that supports the idea that they actually live in the cloud.
Cheers,
GB

Iphoto/aperture unified library question

I have just bought a new iMac to replace an ageing one. I succesfully copied my iphoto library to the new machine (via a separte hard drive). I checked the library opened fine in iPhoto and everything was there (all fine). I then bought and installed Aperture on the new machine and pointed it the the iphoto library which it opened (after first upgrading it) with no problem. So I now effectively have a "unified" iPhoto and Aperture library, although in practice I do not intend to use iPhoto any more, I will always be working in Aperture.
I now have a simple question, my photo library in the Finder (sits in the Pictures folder) is still identified as "iPhoto Library", does this matter?.
Now I believe I can (if I want) simply rename this to "Aperture Libary" or whatever else I want to call it but this made me wonder whether there is any distinction between a unified library that began life as an iPhoto library (as in my case) or a unifed library which began life as a Aperture library. Specifically, is there any change I could or should make to my library given I only ever intending using it with Aperture - or once you have a unified library is there really no differance at al between a library labelled as an "iPhoto Library" and a library labelled as an "Aperture Library" - other than in name?
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No it makes no difference.
Regards
TD

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{Content against terms of use removed by host. Technical questions left. Title edited to reflect quesitons.}

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