David Gholami writes:
> I'm having a little trouble running a program I made with mysql++1.7.8, when
> I run the app it segment faults when the connect object is created.
> this is what I am running
> Red Hat Linux release 7.0 (Guinness)
> Kernel 2.2.16-22 on an i586
> Mysql 3.23.32
> mysql++1.7.8
> gcc 2.96.2
>
> here is how I compile the app
> g++ temp.cpp -I/usr/local/mysql/include/mysql -L/usr/local/mysql/lib/mysql
> -lsqlplus -Wl,--rpath=/usr/local/mysql/lib/mysql
>
> here is the code
> #include <sqlplus.hh>
> #include <iostream.h>
> int main()
> {
> cout <<" startup" << endl;
> Connection con("temp","localhost","root","temp",3306,0,60,1,"",0);
> cout << "done" << endl;
> return 0;
> }
>
> here is the output
> startup
> Segmentation fault (core dumped)
>
> here is what causes it to crash
> Starting program: /home/projects/code/isv/join/a.out
> startup
> Program received signal SIGSEGV, Segmentation fault.
> chunk_free (ar_ptr=0x464c457f, p=0x4005f198) at malloc.c:3071
> 3071 malloc.c: No such file or directory.
>
> now back traceing it
> #0 chunk_free (ar_ptr=0x464c457f, p=0x4005f198) at malloc.c:3071
> #1 0x401415fc in __libc_free (mem=0x4005f1a0) at malloc.c:3043
> #2 0x40200d25 in my_no_flags_free () from
> /usr/local/mysql/lib/mysql/libmysqlclient.so.10
> #3 0x401fc929 in mysql_real_connect () from
> /usr/local/mysql/lib/mysql/libmysqlclient.so.10
> #4 0x4002dfa4 in MysqlConnection::real_connect (this=0xbffff8b0,
> db=0x8048c02 "temp", host=0x8048bf8 "localhost",
> user=0x8048bf3 "root", passwd=0x8048bed "temp", port=3306, compress=0,
> connect_timeout=60, socket_name=0x8048bec "",
> client_flag=0) at connection.cc:49
> #5 0x4002dc7e in MysqlConnection::MysqlConnection (this=0xbffff8b0,
> db=0x8048c02 "temp", host=0x8048bf8 "localhost",
> user=0x8048bf3 "root", passwd=0x8048bed "temp", port=3306, compress=0
> '\000', connect_timeout=60, te=true,
> socket_name=0x8048bec "", client_flag=0) at connection.cc:29
> #6 0x8048a9f in main ()
> #7 0x400e5790 in __libc_start_main (main=0x8048a2c <main>, argc=1,
> ubp_av=0xbffffb24, init=0x8048860 <_init>,
> fini=0x8048bbc <_fini>, rtld_fini=0x4000d35c <_dl_fini>,
> stack_end=0xbffffb1c) at ../sysdeps/generic/libc-start.c:111
>
>
> any help to remedy this problem would be great.
>
> David
Hi!
You should not use gcc 2.95 with MySQL++, as it is still not a stable
compiler.
Please use 2.95.2.
Also use this connection.cc and rebuild again MySQL++.
Regards,
Sinisa
____ __ _____ _____ ___ == MySQL AB
/*/\*\/\*\ /*/ \*\ /*/ \*\ |*| Sinisa Milivojevic
/*/ /*/ /*/ \*\_ |*| |*||*| mailto:[EMAIL PROTECTED]
/*/ /*/ /*/\*\/*/ \*\|*| |*||*| Larnaka, Cyprus
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