libaio so 1 cannot open shared object file

Question

I have a simple test program that when I run I get     hello  error while loading shared libraries  libaio so 1  cannot open shared object file  No such file or directory   I link it like this     CC    CCFLAGS  -o hello hello o -L   ocilib-3 9 3 src  libs -L   instantclient 11 2 -locilib   My LD LIBRARY PATH contains this   LD LIBRARY PATH    ocilib-3 9 3 src  libs    instantclient 11 2  usr lib    usr lib looks like this   Linux  ls -l  usr lib libaio  lrwxrwxrwx  1 root root   15 Nov  5  2008  usr lib libaio so 1 - gt  libaio so 1 0 1 -rwxr-xr-x  1 root root 2632 Sep 16  2005  usr lib libaio so 1 0 0 -rwxr-xr-x  1 root root 2628 Sep 16  2005  usr lib libaio so 1 0 1   Output of ldd hello   libocilib so 3   gt     ocilib-3 9 3 src  libs libocilib so 3  0x0000002a95558000  libc so 6   gt   lib64 tls libc so 6  0x0000003811200000  libclntsh so 11 1   gt     instantclient 11 2 libclntsh so 11 1  0x0000002a956c4000   lib64 ld-linux-x86-64 so 2  0x000000552aaaa000  libnnz11 so   gt     instantclient 11 2 libnnz11 so  0x0000002a97f56000  libdl so 2   gt   lib64 libdl so 2  0x0000003811500000  libm so 6   gt   lib64 tls libm so 6  0x0000003811700000  libpthread so 0   gt   lib64 tls libpthread so 0  0x0000003811b00000  libnsl so 1   gt   lib64 libnsl so 1  0x0000003819000000  libaio so 1   gt  not found   I m hoping that I m missing something simple here   The oracle instantclient package appears to require libaio  but that seems to be installed already so what s the problem

User · Answer

I had the same problem  and it turned out I hadn t installed the library   this link was super usefull   http   help directadmin com item php id 368

User · Answer

In case one does not have sudo privilege  but still needs to install the library   Download source for the software library using   apt-get source libaio   or  wget https   src fedoraproject org lookaside pkgs libaio libaio-0 3 110 tar gz 2a35602e43778383e2f4907a4ca39ab8 libaio-0 3 110 tar gz   unzip the library  Install with the following command to user-specific library   make prefix  pwd  usr install   Copy from INSTALL file of libaio-0 3 110    or  make prefix  path to your lib libaio install   Include libaio library into LD LIBRARY PATH for your app   export LD LIBRARY PATH  LD LIBRARY PATH  path to your lib libaio lib   Now  your app should be able to find libaio so 1

User · Answer

I m having a similar issue   I found      conda install pyodbc   is wrong   when I use     apt-get install python-pyodbc   I solved this problem

User · Answer

Here on a openSuse 12 3 the solution was installing the 32-bit version of libaio in addition  Oracle seems to need this now  although on 12 1 it run without the 32-bit version

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I had to do the following  in Kubuntu 16 04 3     Install the libraries  sudo apt-get install libaio1 libaio-dev Find where the library is installed  sudo find   -iname  libaio a  -type f --  resulted in  usr lib x86 64-linux-gnu libaio a Add result to environment variable  export LD LIBRARY PATH   usr lib oracle 12 2 client64 lib  usr lib x86 64-linux-gnu

User · Answer

It looks like a 32 64 bit mismatch  The ldd output shows that mainly libraries from  lib64 are chosen  That would indicate that you have installed a 64 bit version of the Oracle client and have created a 64 bit executable  But libaio so is probably a 32 bit library and cannot be used for your application   So you either need a 64 bit version of libaio or you create a 32 bit version of your application

User · Answer

Install the packages  sudo apt-get install libaio1 libaio-dev  or sudo yum install libaio

[linux] libaio.so.1: cannot open shared object file

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