Re: Launch failed with error code -2857
Re: Launch failed with error code -2857
- Subject: Re: Launch failed with error code -2857
- From: "scott kaplan" <email@hidden>
- Date: Tue, 21 Dec 2004 02:14:40 +0000
Thanks Chris and Daniel for trying to help me out. There must be some
basics that I am not understanding. Chris, just to clarify - I am using
Project Builder, not XCode. I added the environment variable in Project
Builder under "Environment Variables". Here is a snapshot of what I have
under the Executables tab:
Path to Executable:
/System/Library/Frameworks/Carbon.framework/Versions/A/Support/LaunchCFMApp
Arguments:
/Applications/Safari.app/Contents/MacOS/Safari
Environment Variables:
CFProcessPath
/System/Library/Frameworks/Carbon.framework/Versions/A/Support/LaunchCFMApp
I am getting the same error.
The entire discussion of this thread thus far is in this posting.
Any idea what I am doing wrong?
Thanks,
Scott
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I've lost the beginning of the thread, but he's trying to debug a Mach-O
library being loaded by a CFM application, and apparently following the
correct steps.
Scott, where did you add the environment variable? You should add it to
the Get Info inspector of your custom executable. Xcode doesn't run your
bash startup or rc files when it starts up the
debugger.
And make sure that your custom executable (LaunchCFMApp) is being passed the
complete path to the CFM executable (in foo.app/Contents/MacOS/foo), not the
app bundle itself.
Chris
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You need to point to the executable application, not to the shared library.
You can't debug a library without an app to host it.
D
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Thanks, but I am still getting the same error. Here is what I did:
1) I added the environment variable (full path to my shared
library that I want to debug):
CFProcessPath=/Applications/adir/anotherdir/mydynamiclibrary.dylib
2) I restarted my system to make sure the environment variable
took, which it did.
3) I clicked the Debug button in Project Builder
Here is everything that I got back:
GNU gdb 5.3-20021014 (Apple version gdb-250) (Sat Dec 7 02:14:27 GMT 2002)
Copyright 2002 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License,
and you arewelcome to change it and/or distribute copies of it under
certain
conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "powerpc-apple-macos10".
run
tty /dev/ttyp1
[Switching to process 559 thread 0xb03]
Launch failed with error code -2857
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See Apple's tech note on this subject:
http://developer.apple.com/carbon/tipsandtricks.html#CFMLaunchError
6. Why do I get "Launch failed with error code -2857" when
launching from the Terminal?
There is a problem with the interaction between the Code Fragment Manager
(CFM) and Core Foundation (CF) which causes LaunchCFMApp to sometimes fail
when launched from the terminal (or gdb).
True, the error code means it can't find the 'cfrg' resource. This is
because CF gets confused and thinks the application is "LaunchCFMApp"
instead of your target bundle.
To work around the problem for the time being, define the environment
variable "CFProcessPath" to be the full path to your executable. This will
force CF to locate the correct "bundle" for
your app. This should get you debugging again!
------------------------------------------------------------------------------------------------------------------------------------------
I am trying to debug a shared library in project builder from a CFM project.
I followed the instructions exactly of the following article
(http://lists.apple.com/archives/projectbuilder-users/2001/Feb/msg00210.html)
which is reiterated verbatim below.
When I performed step 6), I got the error "Launch failed with error code
-2857".
I have read every article in the project builder archives concerning how to
solve my problem and the solution did not appear to be there.
My Mac is running OS 10.2.X
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