Shared library files disappear!

I networked my desktop and laptop to use my old music files to create a new library with a new ipod and new computer.... worked fine for couple of months, today all the files from the shared folder have ! exclamation point ! next to them and cannot be found... shared folder is still shared as far as i can tell.
ALSO:
When I download from itunes store it knocks out my wireless connection, not just for my laptop but for the wired computer, it completely shuts down the modem/router. i have to connect thru a random unsecured network to finish downloading, then unplug my cable modem and replug it and then it works again. Why is itunes knocking out my cable internet connection.
Any ideas????
Sony Vaio VGN-C190G Windows ME
Sony Vaio VGN-C190G Windows ME
Sony Vaio VGN-C190G Windows ME

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Shared library files

Hi,
Can you please tell me the differences between the following shared library files: .a, .so, and .sl
Till now, I have a program which is linking to a .a files of a specific software. Now in the newer version of the software, they removed the .a files and replaced with .so files. Now is the linking process same?
thanks in advance.

Hi,
.a files are static libraries and .so are shared object/libraries.
Shared libraries are the preferred way. Please see docs.sun.com -> linker and library guide. for example at following link: http://docs.sun.com/ab2/coll.45.13/LLM/@Ab2PageView/6367?Ab2Lang=C&Ab2Enc=iso-8859-1
I linking of the executable with the library should be same. But creation of library itself will be different.
Here is the excerpt from one of the FAQ:
<pre>Q. What is a shared library?
A. A shared library, or shared object file, or dynamic library, is a
file in the ELF file format (see elf(3E)) that contains data and usually
code that is needed by application binaries. It, along with any other
shared libraries an application binary depends on, is transparently
loaded into memory when the binary is executed, making itself available
to the binary.
Q. What are the advantages of shared libraries?
A. The major advantage of a shared library is that it may contain code that
more than one binary depends on. Thus, this code is only stored once,
in the shared library, and not in each individual binary. This saves
storage space on disk, especially when dealing with very common code
that nearly every program needs. But the benefits go farther than the
space savings: if the common code needs to be updated (for example, a
patch to fix a bug), this need only be done once, in the shared library.
(There are also more reasons, covered below).
Another big advantage is that programs which use the non shared versions
of the system supplied libraries like libc, are not supported and are
not ABI compliant. See "Why does my program, statically linked under a
different version of Solaris, dump core?" and "Why do I get unresolved
references when trying to link statically?"
Q. What are the disadvantages of shared libraries?
A. It takes time for a program to load all of the shared library files it
needs and to link them to the main program and to other shared libraries
(called dynamic linking). The program will take longer to start up.
Programs that depend on shared libraries will not work if any of the
libraries they depend upon are not available. For people who distribute
software, this often means developers must restrict themselves to using
only the shared libraries that are sure to be present on every system.
Unfortunately of course, nothing is for sure and according to Murphy's
law, there will always be someone who doesn't have whatever library,
or has a different version that the developers used and the different
version doesn't work properly. Arguably, it is cleaner (more elegant)
to have a program that is self contained and requires nothing but
itself.
Finally, the system must be able to locate the require libraries
wherever they may be, which is, again, error prone. (See "What
is LD_LIBRARY_PATH?")
</pre>
Thanks
Kalpesh

In LabVIEW for Linux, cannot link to a shared library file (.so).

Hello all,
I'm having trouble using the Call Library Function Node within LabVIEW for Linux (using Ubuntu). I can configure my Node correctly, and it sees the available function within it with all the proper parameters, but when I close the Call Library Function dialog box it does a quick search and asks me to Find the Shared Library Named "mySharedLibraryName." If I select it again, it merely repeats this over and over until I cancel. Has anyone seen this before or know what is causing this? The .so file was compiled using gcc++ - is there anything specific that should have been included (does it need a header file)? Could some missing file be causing this?
Thanks,
Jason

The elf shared library format is a supported feature of all Linux distributions since about Linux 1.0 or earlier. So it is not really an issue that Ubuntu wouldn't support shared libraries as used by the LabVIEW Call Library Node. Since the Call Library Node seems to be able to see the exported functions during selection of the function it also doesn't seem to be a problem with proper export of the symbols.
This leaves over some dependencies of the shared library on some other shared libraries including C runtime libraries. Was the shared library compiled on the system you try to use it? If not you may have an incompatibility of the C runtime library version used on the system that was used to compile the shared library and your Ubuntu system you try to load it.
Rolf Kalbermatter
CIT Engineering Netherlands
a division of Test & Measurement Solutions

Library file disappearing

This has happened twice in the last few days. I have lost the entire content of my library file for no apparent reason. The AAC files are still there, but the library and associated artwork for each AAC file has spontaneously disappeared for no good reason! It's getting really frustrating - would be extremely grateful for some insight and a solution to this. I will have to doubleclick on each AAC file to get them back into the library - with no guarantee that the library would not empty itself or disappear again!
I only find out when I stick a new CD in to rip, which loads up iTunes - when I see that the library is empty. Thing is... I have ripped loads of CDs the past week with no apparent problems.
Anyway, I am using iTunes v5.01 for Windows. Again - any help would be greatly appreciated!

If your iTunes Library is empty, but all the music is still on your PC, then:
First, make sure that iTunes is correctly looking in the right Folder for your song files:
--- Be certain that you know the current location of your music files (best to confirm this)
--- In iTunes choose: Edit==>Preferences==>Advanced tab
--- Select 'Change' and browse to the music folder in your PC drive (if it isn’t already)
--- Click OK to save that setting
--- If a dialog box pops up asking if you want iTunes to rename the files, click "yes"
Then:
-- In iTunes: File==>Add Folder to Library
-- Browse to your main iTunes folder and select it

LabView linux : error 7 when accessing shared library file

Trying to wrap a shared object to LabVIEW Linux using Call Library Function Node VI I get an error 7 (non existing or moved file or missformed path) while the file is existing and path ok (I used FileDialog to be sure to have the correct path).
This is really surprising since when opening 'Configure ...' menu I am able to select my shared object file and LabVIEW lists correctly the functions of the contained in the library.
I don't how to deal with such an error and need help (I spent a lot of hours in trying to find the solution by myself). Surprisingly there is not example related to that in the Linux release of LabView (note: I run LAbVIEW 9).
Many thanks in advance for any comments
Christophe

may be worth mentioning what you did incase others are having similar problems, congrats on solving your problem though
Please remember to accept any solutions and give kudos, Thanks
LV 8.6.1, LV2010,LV2011SP1, FPGA, Win7

ITunes Library File - disappeared?

Out of the blue, a messaged popped up yesterday saying:
"The iTunes Library file cannot be saved. The required disk cannot be found."
I haven't been trying to move my library, or do anything out of the ordinary. Running iTunes 10, music files all reside on external drive. Have had this system in place for a long time without any problems.
Two questions:
1) What caused this to happen? How does a Library.xml file just up and vanish?
2) How do I find/recreate the missing file? Main concern is preserving all the library data (playlists, star ratings, dates, etc.).
Any pointers would be greatly appreciated.

me too, last couple months.
Disk Utility did find issues, but it repaired them, and yet the msg. keeps popping up every couple days.
Seems to correlate with my Mini being idle for a good part of the day (while I'm at work).
Hope to god this isn't iTunes giving me an early warning about a disk failure.

ITunes 10.5 does not load shared library files

Since today's update to iTunes 10.5 from 10.4.1. iTunes can no longer access the shared music library I have on my iomega NAS disk. It sees the disk and lists it as a shared library, but when I click on the library it goes into an endless loading cycle. In the past it might take a minute or so to load the library, but since the update, iTunes never actually does load it.
There is no error message, not even an operation time-out. I can't see anything rrelevant in the console. It just goes on for ever trying to load the shared library.
It was loading the shsred library just fine until this evening when the update downloaded.
Any ideas?

I'm having the same problem with a Buffalo Linkstation LS-WTGL/R1-V3 NAS and iTunes 10.5 on both Mac OS X 10.6.8 and Windows XP.
It's not quite an endless loop, though. It takes about 20 seconds, then the song listing flashes briefly on the screen but goes immediately to the local Music listing in the Library. If I right-click on the NAS's entry and choose "Open in a New Window", the window opens, shows the barber pole throbber for about 20 seconds, then closes, again going back to the local Music listing.
There's about 117GB in the iTunes Music folder on the NAS.
This worked fine under iTunes 10.4.x.

ITunes library files disappeared!

I recently transferred my iTunes music library from an old computer to my new one, but now I tried to send a song to a friend, and I couldn't find it anywhere in my iTunes file : in this file, I only found the albums and songs that I had on my old computer; It seems that my songs are now in iTunes, but there's no other way to find them on my computer.
Does anybody know how this can be, and where I can look to find them back?
Is there a way to create a file like the one I had, but with all my music in it?

As previously mentioned. The problem is not with the library itself, but with the list of apps on the device for sync. Chris up there seems to share similar problem. We can see the list of apps on iTunes, but unable to see the list on the application tab on the device, therefore we are forced to sync the apps, with a warning to overwrite the apps on the device with those on the iTunes library.
I called up Apple iTunes support, and they claimed, you can only retrieve whatever you have downloaded, but unable to completely sync up with your device. If you have any apps downloaded but not installed on the device, if no longer available on iTunes, then you will no longer be able to access it.
Who has the know-how to get the app list back on the device's application tab?
Thank you.

Home sharing not working shared library keeps disappearing

I have got an issue with home sharing that seems to be quite heavily documented online. The solution to this issue has been to open port 3689 on my firewall.
Now I don't have the software firewall enabled one each of my macs through system preferences so that is not valid... I do however have a firewall on my router, but my router does not have an option to just open a port. Not being super networking savvy, I think the way I bypass, or open a port, is by port forwarding. But port forwarding requires you to point the port toward a sing IP.
So what IP address would I forward it to when all machines on my LAN use this service... And the very nature of the home sharing service is based around multiple machines on a LAN.

Ok solved my own problem eventually. Just for the sake of everybody elese. I have a Netgear WGT624 which has a SPI firewall. When ever I turned off the firewall things seemed to work. I thought I had the most recent version of firmware as I have the router configured to check for updates automatically, however after a little bit of investigation I noticed that this was not the case. I have read on other forums about other users with similar problems on Syslink routers and a SPI firewall being fixed with a firmware upgrade. I looked on the netgear website and found a new version of firmware. Upgrading to this appears to be the solution in my case as well. I have now had the router running successfully for about 6 hours.
Cool

While importing and burning some CDs, my entire library has disappeared. Also, there no longer is a "burn file to disc" command in the File menu. I have downloaded the latest version of itunes which restored only tracks I bought from the iTunes store.

Also, the "burn playlist to disc" command has disappeared from the File options. I downloaded the latest version of iTunes but that only restored tracks I'd bought from the iTunes store. I also tried setting up another logon.

Empty/corrupt library after upgrade/crash
Hopefully it's not been too long since you last upgraded iTunes, in fact if you get an empty/incomplete library immediately after upgrading then with the following steps you shouldn't lose a thing or need to do any further housekeeping. Note that in iTunes 11 an "empty" library may show your past purchases with links to stream or download them.
In the Previous iTunes Libraries folder should be a number of dated iTunes Library files. Take the most recent of these and copy it into the iTunes folder. Rename iTunes Library.itl as iTunes Library (Corrupt).itl and then rename the restored file as iTunes Library.itl. Start iTunes. Should all be good, bar any recent additions to or deletions from your library.
Alternatively, depending on exactly when and why the library went missing, there may be a more recent .tmp file in the main iTunes folder that can be copied & renamed as iTunes Library.itl to restore the library to an earlier state. Look for a recent .tmp file that is similar in size to the .itl files in the Previous iTunes Libraries folder. If it has happened repeatedly you may want the earliest such file generated since the last iTunes upgrade.
If applicable, see iTunes Folder Watch for a tool to catch up with any changes since the backup file was created.
When you get it all working make a backup!
Should you be in the unfortunate position where you are no longer able to access your original library, or a backup of it, then see Recover your iTunes library from your iPod or iOS device.
I've noticed more of these missing library posts of late and a common factor to most since I started asking is AVG Anti-Virus. It seems in some cases it might be at least part of the reason why the library file disappears. Try excluding the iTunes folder from any AV scanning process.
tt2

Ocijdbc9.sl: specified file is not a shared library

I'm attempting to run the JdbcCheckup program.
Here is my configuration:
JDBC driver version is 9.2.0.5.0
I have CLASSPATH set to /d00/oracle/prod/v9.2.0/jdbc/lib/ojdbc14.jar
I have LD_LIBRARY_PATH set to /d00/oracle/prod/v9.2.0/lib
I have SHLIB_PATH set to /d00/oracle/prod/v9.2.0/lib
We're on an UP-UX platform with Oracle9i Enterprise Edition Release 9.2.0.5.0
All the google and forum searches suggest to check the path but they are set correctly as far as I can tell.
Any suggestions?

warman,
Pardon me for stating the obvious, but are you certain that file "ocijdbc9.sl" is a shared library. Although I don't work with UP-UX (or should that be HP-UX?), on most UNIX/linux systems, shared library files have the ".so" extension in their names.
Good Luck,
Avi.

ATV worked then library just disappeared

I fired up home sharing, added access to my main library. Set up 3 iPhones and 2 ipads as remotes.
ATV working great as an airplay speaker selected via remote directly through my main library, also.
AWESOME.
Then, in the middle switching from one song to another via iPad remote, the library just went away. It no longer shows up under "computers" on the ATV, or on the remote as a sub category under the ATV.
The main library still shows up on "remote", but I can no longer connect to the ATV as a speaker via remote, or from my main computer...a mini that runs my itunes library. The ATV still shows up as a remote speaker, but I get the "unknown error" message when I try to connect.
My airport express speakers still work.
I seem to remember having to tweak something to get my remote speakers working (attached to airport express), but not exactly what I had to do.
The mystery to me is what the heck happened that made the configuration change out of the blue?
Help!

Empty/corrupt library after upgrade/crash
Hopefully it's not been too long since you last upgraded iTunes, in fact if you get an empty/incomplete library immediately after upgrading then with the following steps you shouldn't lose a thing or need to do any further housekeeping. Note that in iTunes 11 an "empty" library may show your past purchases with links to stream or download them.
In the Previous iTunes Libraries folder should be a number of dated iTunes Library files. Take the most recent of these and copy it into the iTunes folder. Rename iTunes Library.itl as iTunes Library (Corrupt).itl and then rename the restored file as iTunes Library.itl. Start iTunes. Should all be good, bar any recent additions to or deletions from your library.
Alternatively, depending on exactly when and why the library went missing, there may be a more recent .tmp file in the main iTunes folder that can be copied & renamed as iTunes Library.itl to restore the library to an earlier state. Look for a recent .tmp file that is similar in size to the .itl files in the Previous iTunes Libraries folder. If it has happened repeatedly you may want the earliest such file generated since the last iTunes upgrade.
If applicable, see iTunes Folder Watch for a tool to catch up with any changes since the backup file was created.
When you get it all working make a backup!
Should you be in the unfortunate position where you are no longer able to access your original library, or a backup of it, then see Recover your iTunes library from your iPod or iOS device.
I've noticed more of these missing library posts of late and a common factor to most since I started asking is AVG Anti-Virus. It seems in some cases it might be at least part of the reason why the library file disappears. Try excluding the iTunes folder from any AV scanning process.
tt2

Shared Library Linking Question

I'm building my first site using a shared library swf file.
I'm wondering about what elements have to be linked for everything
to work properly. For example:
In my shared library swf, I've got a menu movie clip built.
Within it, there is another movieclip with 6 buttons, a couple
motion tweens, and a couple graphics inside. So, in my menu
movieclip folder, there are about 12 different elements (buttons,
graphics, a couple movie clips, etc.
In any other swf file that uses the menu from the shared
library, do I just need to link and bring over the main menu
movieclip, or do I need to link every element and bring it over to
any swf that uses the menu? Or, is there even a better way to do
all of this? I've got at least 6 different swfs that will use this
menu. I'd only use it once on the master.swf, but it's nestled
within layers on the other seperate swfs for visual
purposes.

plaing the menu in every .swf file will increase the size of
each file. the shared library file will be larger than it needs to
be.
Why not just make one .swf that only contains the just the
menu. Then you could create a master file that loads the menu.swf
at a high enough level that it is always on top. The other movies
(webpages) could be loaded inbetween the master.swf, which you'd
probably put on level 1, and the menu.swf. That way only the bare
essentials would need to be stored in the shared library keeping
its size as small as possible.
(see Shane Rebenschied's book,
Flash MX 2004: Beyond the Bsasics)

All the content from my iTunes library has disappeared

The other day I went onto iTunes and everything had disappeared from it except for the music in the Cloud. All the music is still intact in the folders on my computer and when I double click any song it reappears on iTunes but without any information like number of plays, and I obviously don't want to do this manually for every song as I have nearly two thousand. I synced my iPod with iTunes again but no message came up and the music is still on my iPod, as if it is only 'hiding' on iTunes. I'm not sure if it's something to do with the fact i got a new iPod a few days ago, but iTunes worked perfectly when I first got it so I'm confused about what's happened.

Empty/corrupt library after upgrade/crash
Hopefully it's not been too long since you last upgraded iTunes, in fact if you get an empty/incomplete library immediately after upgrading then with the following steps you shouldn't lose a thing or need to do any further housekeeping. Note that in iTunes 11 an "empty" library may show your past purchases with links to stream or download them.
In the Previous iTunes Libraries folder should be a number of dated iTunes Library files. Take the most recent of these and copy it into the iTunes folder. Rename iTunes Library.itl as iTunes Library (Corrupt).itl and then rename the restored file as iTunes Library.itl. Start iTunes. Should all be good, bar any recent additions to or deletions from your library.
Alternatively, depending on exactly when and why the library went missing, there may be a more recent .tmp file in the main iTunes folder that can be copied and renamed as iTunes Library.itl to restore the library to an earlier state. Look for a recent .tmp file that is similar in size to the .itl files in the Previous iTunes Libraries folder. If it has happened repeatedly you may want the earliest such file generated since the last iTunes upgrade.
If applicable, see iTunes Folder Watch for a tool to catch up with any changes since the backup file was created.
When you get it all working make a backup!
Should you be in the unfortunate position where you are no longer able to access your original library, or a backup of it, then see Recover your iTunes library from your iPod or iOS device.
I've noticed more of these missing library posts of late and a common factor to most since I started asking is AVG Anti-Virus. It seems in some cases it might be at least part of the reason why the library file disappears. Try excluding the iTunes folder from any AV scanning process.
tt2

ITunes Library file gone missing

Hi there,
This is my first post
Anyway on more upsetting words, my iTunes library has gone walkies!
I have an iPhone 5 and an iPod Classic 160gb.
So that means i have 2 different libraries.
So ive had to change which library iTunes brings up whenever i use one or the other.
However today i went as normal to change from my iPhone library to my iPod and the library file seems to have dissapeared!
And im really stressing out . Look at the pictures and tell me if theres anything unusual.
Please help me!!!

Empty/corrupt library after upgrade/crash
Hopefully it's not been too long since you last upgraded iTunes, in fact if you get an empty/incomplete library immediately after upgrading then with the following steps you shouldn't lose a thing or need to do any further housekeeping. Note that in iTunes 11 an "empty" library may show your past purchases with links to stream or download them.
In the Previous iTunes Libraries folder should be a number of dated iTunes Library files. Take the most recent of these and copy it into the iTunes folder. Rename iTunes Library.itl as iTunes Library (Corrupt).itl and then rename the restored file as iTunes Library.itl. Start iTunes. Should all be good, bar any recent additions to or deletions from your library.
Alternatively, depending on exactly when and why the library went missing, there may be a more recent .tmp file in the main iTunes folder that can be copied & renamed as iTunes Library.itl to restore the library to an earlier state. Look for a recent .tmp file that is similar in size to the .itl files in the Previous iTunes Libraries folder. If it has happened repeatedly you may want the earliest such file generated since the last iTunes upgrade.
If applicable, see iTunes Folder Watch for a tool to catch up with any changes since the backup file was created.
When you get it all working make a backup!
Should you be in the unfortunate position where you are no longer able to access your original library, or a backup of it, then see Recover your iTunes library from your iPod or iOS device.
I've noticed more of these missing library posts of late and a common factor to most since I started asking is AVG Anti-Virus. It seems in some cases it might be at least part of the reason why the library file disappears. Try excluding the iTunes folder from any AV scanning process.
tt2

Shared library files disappear!

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