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Problem calling mono app from php script

Posted on 2010-01-13
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Last Modified: 2016-02-19
Hi

I am trying to run a mono application from within a php script. It works fine when I run the script using php on the command line. But when I run the script from my browser it does not work.

This is the error:

** (CBSearch.exe:19645): CRITICAL **: _wapi_shm_file_open: shared file [/var/www/.wapi/shared_data-linux-Linux-x86_64-328-11-0] open error: No such file or directory

** (CBSearch.exe:19645): CRITICAL **: _wapi_shm_attach: shared file [/var/www/.wapi/shared_data-linux-Linux-x86_64-328-11-0] open error

** ERROR **: file shared.c: line 346 (shm_semaphores_init): assertion failed: (tmp_shared != NULL)
aborting...

** (process:19645): WARNING (recursed) **: Thread (nil) may have been prematurely finalized
Stacktrace:


** (process:19645): WARNING (recursed) **: Thread (nil) may have been prematurely finalized

** (process:19645): WARNING (recursed) **: Thread (nil) may have been prematurely finalized

Native stacktrace:

        mono [0x529817]
        /lib64/libpthread.so.0 [0x3d1860e7c0]
        /lib64/libc.so.6(gsignal+0x35) [0x3d17e30265]
        /lib64/libc.so.6(abort+0x110) [0x3d17e31d10]
        /lib64/libglib-2.0.so.0(g_log+0) [0x3bfe434eb0]
        /lib64/libglib-2.0.so.0(g_log+0x83) [0x3bfe434f33]
        /lib64/libglib-2.0.so.0(g_assert_warning+0x76) [0x3bfe434fb6]
        mono [0x4c5fdc]
        mono [0x4cab9c]
        mono(mono_once+0x44) [0x4c6634]
        mono [0x4cad34]
        mono [0x4cf3d8]
        mono [0x4bd5a7]
        mono(mono_runtime_init+0x25) [0x46ace5]
        mono [0x4f1745]
        mono(mono_main+0x341) [0x414811]
        /lib64/libc.so.6(__libc_start_main+0xf4) [0x3d17e1d994]
        mono(realloc+0x371) [0x413f29]

Debug info from gdb:

(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
[Thread debugging using libthread_db enabled]
[New Thread 0x2ade6b710d10 (LWP 19645)]
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
0x0000003d17ecce83 in __select_nocancel () from /lib64/libc.so.6
* 1 Thread 0x2ade6b710d10 (LWP 19645)  0x0000003d17ecce83 in __select_nocancel
    () from /lib64/libc.so.6

Thread 1 (Thread 0x2ade6b710d10 (LWP 19645)):
#0  0x0000003d17ecce83 in __select_nocancel () from /lib64/libc.so.6
#1  0x0000003bfe455efc in g_spawn_sync () from /lib64/libglib-2.0.so.0
#2  0x0000003bfe4562b8 in g_spawn_command_line_sync ()
   from /lib64/libglib-2.0.so.0
#3  0x00000000005298b8 in ?? ()
#4  <signal handler called>
#5  0x0000003d17e30265 in raise () from /lib64/libc.so.6
#6  0x0000003d17e31d10 in abort () from /lib64/libc.so.6
#7  0x0000003bfe434eb0 in g_logv () from /lib64/libglib-2.0.so.0
#8  0x0000003bfe434f33 in g_log () from /lib64/libglib-2.0.so.0
#9  0x0000003bfe434fb6 in g_assert_warning () from /lib64/libglib-2.0.so.0
#10 0x00000000004c5fdc in ?? ()
#11 0x00000000004cab9c in ?? ()
#12 0x00000000004c6634 in mono_once ()
#13 0x00000000004cad34 in ?? ()
#14 0x00000000004cf3d8 in ?? ()
#15 0x00000000004bd5a7 in ?? ()
#16 0x000000000046ace5 in mono_runtime_init ()
#17 0x00000000004f1745 in ?? ()
#18 0x0000000000414811 in mono_main ()
#19 0x0000003d17e1d994 in __libc_start_main () from /lib64/libc.so.6
#20 0x0000000000413f29 in g_str_equal ()
#21 0x00007fff303bb558 in ?? ()
#22 0x0000000000000000 in ?? ()


=================================================================
Got a SIGABRT while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries
used by your application.
=================================================================
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Question by:zattz
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Accepted Solution

by:
zattz earned 0 total points
ID: 26302212
Found solution:

A really lame fix is to create /var/www/.wapi, chown it to
www-data:www-data, and chmod it 770 to hide it from the world.
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