我想通过 Perl 连接到 Oracle 数据库。为此，我尝试使用以下命令从 CPAN 安装 DBD::Oracle：
[root@localhost Admin]# cpan DBD::Oracle
在我的 Linux 终端上运行上述命令时，出现以下错误：
[root@localhost Admin]# cpan DBD::Oracle
CPAN: Storable loaded ok (v2.45)
Going to read '/root/.cpan/Metadata'
Database was generated on Thu, 27 Feb 2014 06:17:02 GMT
Running install for module 'DBD::Oracle'
CPAN: YAML loaded ok (v0.88)
Running make for P/PY/PYTHIAN/DBD-Oracle-1.70.tar.gz
CPAN: Digest::SHA loaded ok (v5.47)
CPAN: Compress::Zlib loaded ok (v2.063)
Checksum for /root/.cpan/sources/authors/id/P/PY/PYTHIAN/DBD-Oracle-1.70.tar.gz ok
DBD-Oracle-1.70/
DBD-Oracle-1.70/lib/
DBD-Oracle-1.70/lib/DBD/
DBD-Oracle-1.70/lib/DBD/Oracle.pm
DBD-Oracle-1.70/lib/DBD/Oracle/
DBD-Oracle-1.70/lib/DBD/Oracle/GetInfo.pm
DBD-Oracle-1.70/lib/DBD/Oracle/Troubleshooting/
DBD-Oracle-1.70/lib/DBD/Oracle/Troubleshooting/Win32.pod
DBD-Oracle-1.70/lib/DBD/Oracle/Troubleshooting/Vms.pod
DBD-Oracle-1.70/lib/DBD/Oracle/Troubleshooting/Hpux.pod
DBD-Oracle-1.70/lib/DBD/Oracle/Troubleshooting/Aix.pod
DBD-Oracle-1.70/lib/DBD/Oracle/Troubleshooting/Sun.pod
DBD-Oracle-1.70/lib/DBD/Oracle/Troubleshooting/Macos.pod
DBD-Oracle-1.70/lib/DBD/Oracle/Troubleshooting/Linux.pod
DBD-Oracle-1.70/lib/DBD/Oracle/Troubleshooting/Cygwin.pod
DBD-Oracle-1.70/lib/DBD/Oracle/Troubleshooting/Win64.pod
DBD-Oracle-1.70/lib/DBD/Oracle/Troubleshooting.pod
DBD-Oracle-1.70/lib/DBD/Oracle/Object.pm
DBD-Oracle-1.70/oci.def
DBD-Oracle-1.70/Makefile.PL
DBD-Oracle-1.70/MANIFEST
DBD-Oracle-1.70/ocitrace.h
DBD-Oracle-1.70/Changes
DBD-Oracle-1.70/LICENSE
DBD-Oracle-1.70/README.help.txt
DBD-Oracle-1.70/README.mkdn
DBD-Oracle-1.70/INSTALL
DBD-Oracle-1.70/Oracle.xs
DBD-Oracle-1.70/CONTRIBUTORS
DBD-Oracle-1.70/META.json
DBD-Oracle-1.70/oci8.c
DBD-Oracle-1.70/META.yml
DBD-Oracle-1.70/Oracle.h
DBD-Oracle-1.70/dbivport.h
DBD-Oracle-1.70/typemap
DBD-Oracle-1.70/t/
DBD-Oracle-1.70/t/23wide_db_al32utf8.t
DBD-Oracle-1.70/t/00versions.t
DBD-Oracle-1.70/t/22nchar_al32utf8.t
DBD-Oracle-1.70/t/31lob.t
DBD-Oracle-1.70/t/lib/
DBD-Oracle-1.70/t/lib/ExecuteArray.pm
DBD-Oracle-1.70/t/10general.t
DBD-Oracle-1.70/t/28array_bind.t
DBD-Oracle-1.70/t/26exe_array.t
DBD-Oracle-1.70/t/14threads.t
DBD-Oracle-1.70/t/rt74753-utf8-encoded.t
DBD-Oracle-1.70/t/23wide_db.t
DBD-Oracle-1.70/t/22nchar_utf8.t
DBD-Oracle-1.70/t/31lob_extended.t
DBD-Oracle-1.70/t/000-report-versions-tiny.t
DBD-Oracle-1.70/t/12impdata.t
DBD-Oracle-1.70/t/36lob_leak.t
DBD-Oracle-1.70/t/24implicit_utf8.t
DBD-Oracle-1.70/t/38taf.t
DBD-Oracle-1.70/t/21nchar.t
DBD-Oracle-1.70/t/70meta.t
DBD-Oracle-1.70/t/15nls.t
DBD-Oracle-1.70/t/39attr.t
DBD-Oracle-1.70/t/rt85886.t
DBD-Oracle-1.70/t/34pres_lobs.t
DBD-Oracle-1.70/t/56embbeded.t
DBD-Oracle-1.70/t/40ph_type.t
DBD-Oracle-1.70/t/55nested.t
DBD-Oracle-1.70/t/30long.t
DBD-Oracle-1.70/t/32xmltype.t
DBD-Oracle-1.70/t/58object.t
DBD-Oracle-1.70/t/50cursor.t
DBD-Oracle-1.70/t/80ora_charset.t
DBD-Oracle-1.70/t/51scroll.t
DBD-Oracle-1.70/t/01base.t
DBD-Oracle-1.70/t/20select.t
DBD-Oracle-1.70/t/nchar_test_lib.pl
DBD-Oracle-1.70/t/23wide_db_8bit.t
DBD-Oracle-1.70/t/60reauth.t
DBD-Oracle-1.70/t/rt13865.t
DBD-Oracle-1.70/t/25plsql.t
DBD-Oracle-1.70/examples/
DBD-Oracle-1.70/examples/japh
DBD-Oracle-1.70/examples/oradump.pl
DBD-Oracle-1.70/examples/ora_explain.pl
DBD-Oracle-1.70/examples/commit.pl
DBD-Oracle-1.70/examples/bind.pl
DBD-Oracle-1.70/examples/curref.pl
DBD-Oracle-1.70/examples/ex.pl
DBD-Oracle-1.70/examples/read_long_via_blob_read.pl
DBD-Oracle-1.70/examples/tabinfo.pl
DBD-Oracle-1.70/examples/proc.pl
DBD-Oracle-1.70/examples/sql
DBD-Oracle-1.70/examples/mktable.pl
DBD-Oracle-1.70/examples/inserting_longs.pl
DBD-Oracle-1.70/examples/README
DBD-Oracle-1.70/mkta.pl
DBD-Oracle-1.70/Todo
DBD-Oracle-1.70/dbdimp.h
DBD-Oracle-1.70/hints/
DBD-Oracle-1.70/hints/macos_syms.pl
DBD-Oracle-1.70/hints/macos_bundle.syms
DBD-Oracle-1.70/hints/macos_lib.syms
DBD-Oracle-1.70/hints/dgux.pl
DBD-Oracle-1.70/hints/svr4.pl
DBD-Oracle-1.70/dbdimp.c
DBD-Oracle-1.70/README
CPAN: File::Temp loaded ok (v0.22)
CPAN.pm: Going to build P/PY/PYTHIAN/DBD-Oracle-1.70.tar.gz
Using DBI 1.609 (for perl 5.010001 on x86_64-linux-thread-multi) installed in /usr/lib64/perl5/auto/DBI/
Configuring DBD::Oracle for perl 5.010001 on linux (x86_64-linux-thread-multi)
Remember to actually *READ* the README file! Especially if you have any problems.
Trying to find an ORACLE_HOME
Your LD_LIBRARY_PATH env var is set to ''
The ORACLE_HOME environment variable is not set and I couldn't guess it.
It must be set to hold the path to an Oracle installation directory
on this machine (or a machine with a compatible architecture).
See the appropriate README file for your OS for more information.
ABORTED!
Warning: No success on command[/usr/bin/perl Makefile.PL INSTALLDIRS=site]
PYTHIAN/DBD-Oracle-1.70.tar.gz
/usr/bin/perl Makefile.PL INSTALLDIRS=site -- NOT OK
Running make test
Make had some problems, won't test
Running make install
Make had some problems, won't install
[root@localhost Admin]#
目前我使用的是Linux CentOS。在我的机器上，我已经使用 SQLDeveloper 连接到 Oracle 数据库，但我不知道 ORACLE_HOME 是否已设置，因为我没有安装该数据库。
以前有人遇到过同样的问题吗？请告诉我如何解决这个错误。
请按给定顺序参考这些步骤。
- 安装 Perl DBI 模块
-
安装低于 3 rpm 的 Oracle 即时客户端（来自http://www.oracle.com/technetwork/topics/linuxx86-64soft-092277.html http://www.oracle.com/technetwork/topics/linuxx86-64soft-092277.html)
oracle-instantclient11.2-basic-11.2.0.3.0-1
oracle-instantclient11.2-devel-11.2.0.3.0-1
oracle-instantclient11.2-sqlplus-11.2.0.3.0-1
我使用的是 64 位 Linux 盒子，所以相应地选择你的 RPM。
-
设置以下变量：
LD_LIBRARY_PATH=/usr/lib/oracle/11.2/client64/lib
ORACLE_HOME=/usr/lib/oracle/11.2/client64
MacOS 用户将需要：
DYLD_LIBRARY_PATH=/usr/lib/oracle/11.2/client64/
还添加ORACLE_HOME给你的PATH多变的。
下载DBD::甲骨文 from CPAN http://search.cpan.org/
-
解压模块并按给定顺序运行以下命令：
perl Makefile.PL
make
make install
或者您可以使用安装模块cpan command
DONE !!!
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