Console error message: 'Throttling respawn: Will start in 10 seconds'

After running your system for a while and using various applications, you may receive an error stating, "Throttling Respawn: Will start in 10 seconds," over and over again. These messages are usually associated with a plist file and will repeat every 10 seconds for as long as the system is booted.

After running your system for a while and using various applications, you may receive an error stating, "Throttling Respawn: Will start in 10 seconds," over and over again. These messages are usually associated with a plist file and will repeat every 10 seconds for as long as the system is booted.


12/30/09 9:20:13 AM	com.apple.launchd.peruser.50186	(com.akamai.client.plist) Throttling
          respawn: Will start in 10 seconds
12/30/09 9:20:23 AM	com.apple.launchd.peruser.50186	(com.akamai.client.plist) Throttling
          respawn: Will start in 10 seconds
12/30/09 9:20:33 AM	com.apple.launchd.peruser.50186	(com.akamai.client.plist) Throttling
          respawn: Will start in 10 seconds
12/30/09 9:20:43 AM	com.apple.launchd.peruser.50186	(com.akamai.client.plist) Throttling
          respawn: Will start in 10 seconds
12/30/09 9:20:53 AM	com.apple.launchd.peruser.50186	(com.akamai.client.plist) Throttling
          respawn: Will start in 10 seconds

These error messages are issued by the system launcher "launchd," which is trying to load a program based off the instructions in a launch daemon or launch agent property list, and is not able to do so because of a missing component for that program or an improperly configured program that will not start. Sometimes this can happen after software updates if you have customized system components like the Web server or other services; however, other times it may be caused by an improper uninstallation of a program.

Many programs will have helper daemons (background processes) that are launched at boot or when needed by the system launcher, and if the system launcher is unable to do so then it may keep trying until the program can be successfully launched.

For the most part this will not harm anything unless the respawn error is for a system component such as the Web server or a more used feature such as the kerberos services. System components usually have property lists that begin with "com.apple" instead of another domain (for example, "com.akamai"); however, this is not always the case. You can do a more thorough check by comparing the plist file mentioned in the errors to those found in the /System/Library/LaunchDaemons/ or /System/Library/LaunchAgents/ folders to see if it exists there. If not, then it is likely a component of a program that was not properly uninstalled.

Though locating and running the program's uninstaller is the best practice, if you cannot do so then you can prevent these error messages by removing the property list from either the /Macintosh HD/Library/LaunchAgents/ or /Macintosh HD/Library/LaunchDaemons/ folders.



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About the author

    Topher, an avid Mac user for the past 15 years, has been a contributing author to MacFixIt since the spring of 2008. One of his passions is troubleshooting Mac problems and making the best use of Macs and Apple hardware at home and in the workplace.

     

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