"Debugger () was called" -- WTF?

I have been watching my console log and notice the statement "Debugger () was called" occasionally appearing, sometimes after my computer has just been sitting without any other activity that I know of. Does anyone know what that message means or what is happening that causes it to be shown? I have searched MR and haven't been able to find an answer. Thanks for any insight you can provide.

BlueRevolution said:

It probably has something to do with the error trapping of one of the applications you're running.

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Can you explain this a little more? What do you mean by error trapping. Thanks for the info.

Me1000 said:

it is just to help the developer of a particular application find bugs in the app... I would assume.

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I guess I shouldn't worry about it since it doesn't seem to be causing any problems. Thanks.

Me1000 said:

What is the sender?

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There is no sender listed. I just looked at the console and there are 8 "Debugger () was called" comments one on top of the other without anything else listed. Here is a few hours worth of console statements. These last 8 accumulated over a few hours. I have just been in MR, a few other internet sites, and sync iPod Touch.

Debugger() was called!
Debugger() was called!
Debugger() was called!
Debugger() was called!
Debugger() was called!
Debugger() was called!
Debugger() was called!
Debugger() was called!
Debugger() was called!
2008-12-19 21:22:04.356 AppleMobileDeviceHelper[334] exception while performing selector isSyncServerAvailable: on server: NSInvalidSendPortException [NSMachPort sendBeforeDate:] destination port invalid
Created child to sync device with pid 1020...
Waiter has started running...
2008-12-19 21:23:33.127 Translator[1026] Invoked to sync conduit com.apple.Safari for entityNames: com.apple.bookmarks.Folder,com.apple.bookmarks.Bookmark
Waiter is done running
Sending final status from child helper tool back to parent...
2008-12-19 21:51:31.807 AppleMobileDeviceHelper[334] exception while performing selector filterDataForClientWithIdentifier: on server: NSInvalidSendPortException [NSMachPort sendBeforeDate:] destination port invalid
MobileDevice: receive_message: Could not receive size of message: 0 Unknown error: 0
MobileDevice: _read_callback: Could not receive message
MobileDevice: send_message: Could not send message size: Bad file descriptor
Debugger() was called!
Debugger() was called!
Debugger() was called!
Debugger() was called!
Debugger() was called!
Debugger() was called!
Debugger() was called!
Debugger() was called!