[Mono-dev] dlopen(libSystem.Data.dll, 9): image not found

[Alexander Köplinger]

That's weird, System.Data.dll is a .NET Framework / BCL assembly so P/Invoking into it doesn't make sense.

- Alex

> On 01 Mar 2017, at 15:54, Jonathan Mitchell <lists at mugginsoft.com> wrote:
> 
> While fixing a Dll import issue on MacOS I noticed the following:
> 
> Mono: DllImport error loading library 'libSystem.Data.dll.so': 'dlopen(libSystem.Data.dll.so, 9): image not found'.
> Mono: DllImport error loading library 'libSystem.Data.dll.bundle': 'dlopen(libSystem.Data.dll.bundle, 9): image not found'.
> Mono: DllImport error loading library 'libSystem.Data.dll': 'dlopen(libSystem.Data.dll, 9): image not found'.
> Mono: DllImport unable to load library 'dlopen(libSystem.Data.dll, 9): image not found'.
> Mono: DllImport attempting to load: 'System.Data.dll’.
> 
> By the time my app launches  dlopen() has attempted to load libSystem.Data.dll.whatever 1600 times.
> My MacOS app launches and exceutes okay.
> 
> Is this normal behaviour on 4.8.0?
> 
> The list has a few references to libSystem.Data but that lib doesn’t seem to ship on MacOS.
> 
> #11 0x00007fffecf5033c in _dlerror_run () from /lib64/libdl.so.2
> #12 0x00007fffecf4ff01 in dlopen@@GLIBC_2.2.5 () from /lib64/libdl.so.2
> #13 0x00000000006327f5 in mono_dl_open_file (file=<optimized out>, flags=<optimized out>) at mono-dl-posix.c:67
> #14 0x0000000000632029 in mono_dl_open (name=name at entry=0x1c604d0 "/p/home/apps/unsupported/NAVAIR/build/mono-4.4.0/lib/mono/gac/System.Data/4.0.0.0__b77a5c561934e089/libSystem.Data.dll", flags=flags at entry=1, 
>   error_msg=error_msg at entry=0x7fffd8090e80) at mono-dl.c:150
> #15 0x000000000054cf90 in cached_module_load (name=name at entry=0x1c604d0 "/p/home/apps/unsupported/NAVAIR/build/mono-4.4.0/lib/mono/gac/System.Data/4.0.0.0__b77a5c561934e089/libSystem.Data.dll", err=err at entry=0x7fffd8090e80, 
> 
> 
> Jonathan
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