Hi! Thanks for the answer! Unfortunately using the instant client causes another error, namely: D:\temp>D:\temp\heti_jelentes_uj.exe Starting up C:/DOCUME~1/bkozma/eee/eee.heti_jelentes.exe.2/lib/oci8.rb:51:in `init': OCI Library Initialization Error (OCIError) from C:/DOCUME~1/bkozma/eee/eee.heti_jelentes.exe.2/lib/ oci8.rb:51 from C:/DOCUME~1/bkozma/eee/eee.heti_jelentes.exe.2/lib/ rubygems/custom_require.rb:27:in `gem_original_require' from C:/DOCUME~1/bkozma/eee/eee.heti_jelentes.exe.2/lib/ rubygems/custom_require.rb:27:in `require' from C:\DOCUME~1\bkozma\eee\eee.heti_jelentes.exe.2\app \heti_jelentes.rb:2 from C:\DOCUME~1\bkozma\eee\eee.heti_jelentes.exe. 2\bootstrap.rb:77:in `load' from C:\DOCUME~1\bkozma\eee\eee.heti_jelentes.exe. 2\bootstrap.rb:77 On jan. 12, 07:45, KUBO Takehiro <k... / jiubao.org> wrote: > Hi, > > On Jan 11, 2008 10:09 PM, pihentagy <pihent... / gmail.com> wrote: > > > Hi all! > > > I tried to pack to an exe a ruby script, which uses oci8. > > On my machine it works fine, but when I run it on an other machine I > > get the following error: > > (I also dumped the files packed by rubyscript2exe) > > Can somebody hint what could be the problem? > > Do I need any other file to run the program in any other machine? > (snip) > > f bin\OraClient9.Dll (1536272) > > f bin\OraCommon9.Dll (590096) > > f bin\ORACORE9.DLL (647440) > > It looks like using Oracle full client. Don't copy Oracle full client libraries. > They need to be in the installed location. Otherwise, they won't work. > > IMO, it is a case to use Oracle instant client.