LaunchOnlyOnce key for launchd doesn't work in tiger?

I've been working on a project, and have used the LaunchOnlyOnce key in a launchagent in ~/Library/Launchagents.
This works fine in Leopard, but on Tiger it acts like LaunchOnlyOnce doesn't exist and spawns the process repeatedly.
Apples documentation on launchd mentions the LaunchOnlyOnce key and is dated 2004, well before Tiger was released. So is the date wrong?
Am I "barking up the wrong tree" here by trying to use launchd for this purpose?

Is that listed as a valid key in Tiger's man launchd.plist? I profess that it has been about a year since I have had Tiger, and while I'm far from being an "expert" in launchd, I have cobbled together a number of launchd jobs, and I don't recall that property list key being discussed in Tiger's man pages.
If it was listed in Tiger's man pages, then I would suggest that you have a look at your console log entries to see what happened around the time that the launchd event should have fired ‑‑ the console log will say things like "unrecognized key" or whatever.
As a sidenote, there used to be a property list key in Tiger called "Service Description." It's not there anymore, even though Leopard's man launchd.plist page is dated Sep 30 2004. And Leopard's man launchd.plist page notes that Tiger's launchd property list key "OnDemand" was deprecated in Leopard. So, I suspect that somebody just didn't update the date printed on the bottom of the man launchd.plist page, unless they knew that Leopard, which was released on 26 October 2007, nearly three years after the date printed on the Leopard launchd.plist man page, was going to deprecate that key.
So, bottom line: check Tiger's man launchd.plist page, not Leopard's, and if the LaunchOnlyOnce property list key is discussed there, then check your console log for clues as to why your launchd event is not firing.

Similar Messages

  • New Computer - Key for LR doesn't work. -  Help would help

    Upgraded to vista 64 bit new computer. Installed new version of lr 2.3 (not upgrade). Serial # doesn't work. What do I need to do? I guess I can always call Adobe if no one can help. Thanks in advance.

    Never mind. I had 2 serial #'s I needed to use.
    ps save them in gmail and you will always have them!

  • Keyboard's key repeat feature doesn't work in Audition

    For Audition CS6, I've reassigned zoom-in and -out to the keys "R" and "T" (like on Pro Tools).  It does zoom.  However, when holding down a key to zoom in or out (R or T), the key repeat function doesn't work.  I don't think the key repeat function works at al within Audition CS6.  Is this so?
    My keyboard's keys DO repeat in all other programs though.  I like to zoom in quickly to either the playhead or to the IN or OUT of a selection.  Unfortunately, the end result is a mere one-zoom instance per one key click (down then up)  instead of what our PC/Mac's keyboard's key repeat function could do  (when using Pro Tools): allowing you to zoom in or out quickly by utilizing the computer system's keyboard key repeat function. As it is, I'm much slower having to "tap-tap-tap-tap-tap..." to zoom in and out.  Intolerable!
    The mouse scroll wheel DOES zoom in/out smoothly though, oddly enough.

    I just checked for the option to "zoom in on the play head," but couldn't
    find anything.  I'm on the latest version of CS6 (5.0.2 build 7).  I see
    "Synchronize selection, zoom level, and playhead *across files *in the
    Waveform Editor."
    I just tried checking and unchecking that, trying it on a single piece of
    audio in the Waveform view.  But the scroll wheel zoom feature seems to
    have a mind of its own.  I want to always be able to zoom directly to the
    playhead*.  *That is, say I zoom out quickly via my scroll wheel.  Great.
    That works fast and well.  I go to zoom back in to where the playhead is
    moving (playing).  And say, then, my cursor a couple of inches before it in
    the full zoomed-out view.  Mouse cursor is in the general area of the
    playhead zoomed fully out as I am, but when I scroll back in, it zooms in
    not to where the playhead is, but waaaay out in front.

  • Short key for copy does not work all the time now.

    After I have installed the latest OSX - Yosemite, my short key for copy does not work all the time.  It is infrequent how it works. I'm using the same keyboard that I have always used, my wireless logitech keyboard for mac.  Please help.

    I've plugged in my default mac keyboard and the short key copy still does not work.

  • I cannot access my old email address anymore, however I have used it for my apple ID and now I want to delete it because the account has never been verified in the first place so my password for it doesn't work. What do I do?

    I cannot access my old email address anymore, however I have used it for my apple ID and now I want to delete it because the account has never been verified in the first place so my password for it doesn't work. So when I want to download apps I have to sign in with apple id but I can't so I made a new one, However I can't seem to be able to delete the old one. What do I do?

    You can't merge Apple IDs.  You also can't cancel (delete) and existing ID, you can only choose to stop using it.
    If your old ID was compromised and you can no longer access it, you'll have to contact Apple for assistance.  Go to https://expresslane.apple.com ; click 'See all products and services' at the bottom of the page. In the next page click 'More Products and Services, then 'Apple ID'. In the next page select 'Other Apple ID Topics' then then 'Apple ID account Security’.

  • I have an Iphone 3GS and the app for Facebook doesn't work anymore...

    I have an Iphone 3GS and the app for Facebook doesn't work anymore since last update made yesterday.
    How can I restore it without the last update?
    Or, what can I do to have the Facebook back again on my mobile?
    Thank you for your help.

    Hi Ricoco,
    I too had exact issue what you were experienced, then I went to Apple autorised service center and submitted my earpods, their it worked with all versions of Apple iphones, but it didn't worked on my 3gs. The service technician suggested for OS  upgrade.Then I came home and I took the backup and upgraded 5.1 to 6.1 as he suggested, also it didn't worked. I was totally frustated and suddenly I got an idea!. What a funny thing here is, a safety pin resolved my issue, I took out all dust which was there in the jack hole. Then I check my earpods, it was amazing you know..MY EAR PODS WORKED!.
    If you still have this issue, I hope this will help you.
    Umesh

  • Voice command for Contacts doesn't work after a re...

    Voice command for Contacts doesn't work after a reboot or a contacts restore.
    Steps to reproduce:
    1. Backup contacts. Open Files > Backup & Restore > Select Contact for Backup Contents and select Back up now.
    2. Edit/save a contact, press and hold the call button, speak contacts name. The voice recognition works fine.
    3. Restore contacts. Open Files > Backup & Restore > Select Contact for Backup Contents and select Restore.
    4. Reboot phone when prompted.
    5. Press and hold the call button, speak contacts name. The voice recognition does not work.
    Work around:
    Edit and save each contact.
    Additional Information:
    Social integration with contacts also does not work after a reboot. The facebook icon and "See what xxx is up to on Facebook" is not displayed. The same work around "Edit and save each contact" also applies. This occurs using the Nokia N8 and Nokia 808 Pureview.

    Nancy2015 wrote:
    I have my phone paired with my car, I can do everything except it does not recognize any of my contact names. If I try say a contact name, it says "not recognized" but if I say the contacts phone number, the name pops up onthe display in my car.
    Has anyone had this issue, is there a setting I am missing in my phone?
    Hello, 
    This is not necessarily and issue with the phone. It could also be an issue with the car`s bluetooth software that is only limited to some functions like reading your contacts list, last calls, missed calls, etc. which is most likely the basic 2.0 version. 
    The Z30 has the 4.0 version that has a lot more communication capability but if the car`s bluetooth its a lower version, then you will not be able to take full advantage of it unless you upgrade the bluetooth software in your car. Call your dealer and inquire about the bluetooth software upgrade in your car   

  • Quicktime for windows doesn't work, wont let me uninstall or update.Help!

    Quicktime for windows doesn't work, won't let me uninstall (tells me fatal errro) or update (tells me it encountered an error on installation). Help!I am running Windows XP on an Intel pentium PC. Any ideas? Dvora

    When you get this fatal error uninstalling, try a full removal of iTunes and related programs with an installer clean up of any that do not uninstall cleanly:
    Here is a method:
    Download a fresh copy of iTunes and the stand alone version of Quicktime (the one without iTunes)
    http://www.apple.com/quicktime/download/win.html
    http://www.apple.com/itunes/download/
    Download and install Microsoft Installer cleanup utility, there are instructions on the page as well as the download. Note that what you download is the installer not the program – you have to run it to install the program.
    To run the program – All Programs>>Windows Install Cleanup
    http://support.microsoft.com/kb/290301/
    Now use the following method to remove iTunes and its components:
    XP
    http://support.apple.com/kb/HT1925
    Vista
    http://support.apple.com/kb/HT1923
    *If you hit a problem with one of the uninstalls don't worry*, carry on with the deleting of files and folders as directed in the method.
    When you get to deleting Quicktime files in the system32 folder as advised in the method, you can delete any file or folder with Quicktime in the name.
    Restart your PC.
    Run the Microsoft Installer Cleanup Utility. (Start > All Programs > Windows Install Clean Up)
    Remove any references you find to the programs you removed - strictly speaking you only need to worry about those programs where the uninstall failed.
    If you don’t see an entry for one of the programs that did not uninstall, look out for blank entries or numeric entries that look like version numbers e.g. 7.x for Quicktime or 1.x for Bonjour.
    restart your PC
    Install the stand alone Quicktime and check that it works.
    If it does, install iTunes.

  • Textvariable with replacement path for 0CALMONTH doesn't work ...

    Hello expert,
    we have done release upgrade BW 7.01 -> BW 7.3 SPS 04. While checking queries I found out that textvariables with replacementpath for 0CALMONTH doesn't work anymore. In the report I only see the variable name like ZVARXYZ01 but want to see something like 'JAN 2011'.
    As far as I understand 0CALMONTH don't need a texttable. Texts can be found in table T247. I checked the table and all values looks fine.
    Any Idea where the problem is or how I can analyze it?
    Thank you in advance,
    Peter

    Hi Peter
    Please check this link, especially this note for text variable problems after upgrade to 7.3
    Let us know if it helps.
    Think of giving points.
    Regards
    PC

  • TS2771 What should I do about the backspace key/delete button doesn't work?

    The backspace/delete key doesn't work on my son's ipod touch.  What can I do?

    A reset may help. Tap and hold the Home button and the On/Off buttons for approximately 10-15 seconds, until the Apple logo reappears. When the logo appears, release both buttons.
    No content is affected by this procedure.

  • Recomendations for you doesn't work

    quick link on main page of iTunes doesn't work.  I've tried everything and I can't get the link to work.  It worked fine for years and then it slowly stopped sending "Recommendations for you"  would time out and I would remain on main iTunes web page.

    Yes, it still occurs when logged in as a different user. Since my posting earlier this morning, I've noticed that when I type the delete key, the end bracket appears and continues to repeat until I press the space bar. I'm wondering if it's a virus. A colleague at work says that when his macbook is left on for too long, sometimes he will type one command and the macbook will do another. I have had the computer on or in sleep mode nonstop since Sunday morning. Is it possible that it's an over-use issue or possibly some kind of mac virus? The only app I downloaded from the web was a youtube downloader/mp3 converter.
    My main goal would be to reset all system commands to normal - if there's an easy way to do this.
    Thanks for asking.

  • Spacebar quick key for Hand tool not working.

    I have a brand new imac intel i7  27" and have installed photoshop cs5, but the spacebar hand tool is not  working. any ideas?
    the hand tool and all other tools work, just the shortcut  key of holding the spacebar doesn't work.
    Thanks,

    I found that when I quit Firefox the spacebar works again as a shortcut for the hand tool. However as soon as I sign in to my gmail account it stops working. This is so frustrating! Will there be a fix for this sometime in the near future?

  • Sayit App for Playbook doesn't work

    I cannot get Sayit for the BB Playbook to work. The program states to allow permissions for mic but I don't have any settings to do so After numerous reinstalls (3 different playbooks) still doesn't work. The company doesn't respond to my emails so It leaves me with the impression they are a bogus outfit. Anyone else stuck with apps from BB App world for Playbook that don't work ? Be nice if someone could set up a thread that says which ones work and which don't. This would save time and money for people who pay for an app and then don;t get support ,.At $5.00 per app and maybe thousands of user who download it !!!

    Apple doesn't vet or test apps. those apps meet certain requirements and they're in the app store. Look through there, you'll see plenty of 0 or 1 star apps.
    There are millions of apps and Apple doesn't vet them.
    the facebook app hasn't worked right in years, Apple doesn't care, it's up to Facebook to make their app work. Same applies to Charter
    they will not make a developer make their app work well, they let 'survival of the fittest' rule...good apps get good ratings, bad apps get poor ratings, well rated apps rise to the top, poorly rated apps fall to the bottom.

  • TS3999 Argentina holiday link for iCal doesn't work, please help!!

    İ want to add argentina holiday calendar to my iCal but the link on apple page doesnt work.

    As you say the link doesn't work; neither does its originating domain alone. The note on the page concerned says that the calendar is valid only for 2010 and 2011, so evidently it's been withdrawn and not updated by its originator. I'm afraid that a number of the links on Apple's page have gone dead.

  • [SOLVED] vfs_zip plugin for deadbeef doesn't work

    hello everybody here,
    i found vfs_zip plugin here doesn't work,
    that is, i can import music files from zip archive, but i can't play them-
    if i play those ones, the deadbeef'll be stuck ,even if i try play other files.
    so, any solution here? any idea is appreciated, and thanks in advance:-)
    BTW:
    i have installed libzip in advance, so i think it's not the cause...
    and i've tried deadbeef (from repo) and deadbeef-git (from aur), but still useless, eh
    Last edited by Cravix (2012-05-16 09:54:11)

    PhatalError wrote:
    It's working fine for me, I just zipped up 1GB (262 files) of MP3's to test it out for you, and it's working just fine for me after it imports them into DeaDBeeF.
    Open up a terminal, and type deadbeef and when you try and play the MP3's from the zipfile does it show any type of error message in the terminal? If so, paste it here.
    oh my... I found it actually can play when I tested again to see the err output... sorry to bother you for my carelessness, and thank you very much:-)
    and also, the only problem is it'll take 5s~30s before start playing after click, which made me thought it couldn't work for a year or two... I should say it's much slower than rar reader(see deadbeef archive reader i packaged in aur, you can try it:-D)
    I doubt if it's abnormal, so would you mind sharing with me that how's it going on on your computer? thanks in advanced:-)

Maybe you are looking for