hi oracle connectivity issure with jruby

I am trying below command and its gave error and i had listed gems which i had installed, can you please suggest me.

jruby -S rake db:migrate --trace
---- development.log---------- development.log------rake/rdoctask is deprecated. Use rdoc/task instead (in RDoc 2.4.2+) Invoke environment (first_time) Execute environment ---- development.log------Root path is ****************

  *******************************************************************
  * config.breakpoint_server has been deprecated and has no effect. *
  *******************************************************************

Invoke db:migrate (first_time) Invoke environment Execute db:migrate rake aborted!
Oracle/OCI libraries could not be loaded: load error: oci8lib_18 -- java.lang.UnsatisfiedLinkError: failed to load shim library, error:
The operation completed successfully. C:/Rails/GESCTUserAdmin/gesct-user-admin/vendor/rails/activerecord-oracle-adapter-1.0.0.9250/lib/active_record/connection_adapters/oci_
adapter.rb:724:in oci_connection' org/jruby/RubyKernel.java:2056:insend'
C:/Rails/GESCTUserAdmin/gesct-user-admin/vendor/rails/activerecord/lib/active_record/connection_adapters/abstract/connection_specificat
ion.rb:292:in connection=' C:/Rails/GESCTUserAdmin/gesct-user-admin/vendor/rails/activerecord/lib/active_record/connection_adapters/abstract/connection_specificat ion.rb:260:inretrieve_connection'
C:/Rails/GESCTUserAdmin/gesct-user-admin/vendor/rails/activerecord/lib/active_record/connection_adapters/abstract/connection_specificat
ion.rb:78:in `connection'

jgem list

LOCAL GEMS

abstract (1.0.0)
actionmailer (2.0.2)
actionpack (2.0.2)
activemodel (3.0.6)
activerecord (2.1.0, 2.0.2)
activerecord-jdbc-adapter (1.1.1)
activerecord-oracle_enhanced-adapter (1.1.7)
activeresource (2.0.2)
activesupport (2.1.0, 2.0.2)
addressable (2.1.0)
apache-config-generator (0.2.7)
apache_log_parser (1.1.0)
apache_secure_download (0.1.1)
apache_upload_merger (0.0.2)
apachelogregex (0.1.0)
ar-extensions (0.9.5)
arel (2.0.2)
bouncy-castle-java (1.5.0146.1)
builder (2.1.2)
bundler (1.0.14, 1.0.0)
capistrano (2.1.0)
cgi_multipart_eof_fix (2.5.0)
cmdparse (2.0.2)
daemons (1.0.3)
data_objects (0.10.6)
dbi (0.4.5)
deprecated (3.0.0, 2.0.1)
erubis (2.6.6)
fastthread (1.0.1 i386-mswin32)
gem_plugin (0.2.3)
glassfish (0.1.2 universal-java-1.5)
highline (1.4.0)
hpricot (0.6 jruby)
i18n (0.5.0)
jruby-jars (1.4.0, 1.3.1)
jruby-openssl (0.7.4)
jruby-rack (1.0.8)
log4r (1.0.6)
mail (2.2.15)
mime-types (1.16)
needle (1.3.0)
net-sftp (1.1.0)
net-ssh (1.0.10)
polyglot (0.3.1)
rack (1.2.2)
rack-mount (0.6.14)
rack-test (0.5.7)
railj (0.0.2.1)
rails (2.0.2)
rails3-generators (0.17.4)
rails_warden (0.5.2)
railties (3.0.6)
rainbow (1.1.1)
rake (0.9.1, 0.8.7, 0.8.1)
rakejava (1.3.3)
ruby-oci8 (2.0.3 x86-mswin32-60)
rubygems-update (1.6.0, 1.0.1)
rubyzip (0.9.4)
run (0.0.0)
sources (0.0.1)
thor (0.14.4)
treetop (1.4.8)
tzinfo (0.3.23)
warbler (1.2.1)
warden (1.0.3)
win32-api (1.0.0 mswin32)
win32-clipboard (0.4.3)
win32-dir (0.3.2)
win32-eventlog (0.4.6)
win32-file (0.5.4)
win32-file-stat (1.2.7)
win32-process (0.5.3)
win32-sapi (0.1.4)
win32-sound (0.4.1)
windows-api (0.2.0)
windows-pr (0.7.2)