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  • (cx_Oracle.DatabaseError) DPI-1047: 64-bit Oracle Client library cannot be loaded: "libclntsh.so: cannot open shared object file: No such file or directory"

    打开https://oracle.github.io/odpi/doc/installation.html

    官方相关如下

    Oracle Instant Client RPM

    To run ODPI-C applications with Oracle Instant Client RPMs:

    1. Download an Oracle 11.2, 12.1 or 12.2 “Basic” or “Basic Light” RPM: 64-bit or 32-bit, matching your application architecture.

    2. Install the downloaded RPM with sudo or as the root user. For example:

      sudo yum install oracle-instantclient12.2-basic-12.2.0.1.0-1.x86_64.rpm
      

      Yum will automatically install required dependencies, such as libaio.

    3. If there is no other Oracle software on the machine that will be impacted, permanently add Instant Client to the runtime link path. For example, with sudo or as the root user:

      sudo sh -c "echo /usr/lib/oracle/12.2/client64/lib > /etc/ld.so.conf.d/oracle-instantclient.conf"
      sudo ldconfig
      

      Alternatively, set the environment variable LD_LIBRARY_PATH to the appropriate directory for the Instant Client version. For example:

      export LD_LIBRARY_PATH=/usr/lib/oracle/12.2/client64/lib:$LD_LIBRARY_PATH
      
    4. If you intend to co-locate optional Oracle configuration files such as tnsnames.orasqlnet.ora or oraaccess.xml with Instant Client, then create a network/admin subdirectory under lib/. For example:

      sudo mkdir -p /usr/lib/oracle/12.2/client64/lib/network/admin
      

      This is the default Oracle configuration directory for applications linked with this Instant Client.

      Alternatively, Oracle configuration files can be put in another, accessible directory. Then set the environment variable TNS_ADMIN to that directory name.

    下载64位的rpm包(basic,sqlplus,devel)

    http://download.oracle.com/otn/linux/instantclient/183000/oracle-instantclient18.3-basic-18.3.0.0.0-1.x86_64.rpm

    http://download.oracle.com/otn/linux/instantclient/183000/oracle-instantclient18.3-sqlplus-18.3.0.0.0-1.x86_64.rpm

    http://download.oracle.com/otn/linux/instantclient/183000/oracle-instantclient18.3-devel-18.3.0.0.0-1.x86_64.rpm

    安装

    [root@VM_176_134_centos ~]# rpm -ivh oracle-instantclient18.3-basic-18.3.0.0.0-1.x86_64.rpm
    Preparing... ################################# [100%]
    Updating / installing...
    1:oracle-instantclient18.3-basic-18################################# [100%]
    [root@VM_176_134_centos ~]# rpm -ivh oracle-instantclient18.3-sqlplus-18.3.0.0.0-1.x86_64.rpm
    Preparing... ################################# [100%]
    Updating / installing...
    1:oracle-instantclient18.3-sqlplus-################################# [100%]
    [root@VM_176_134_centos ~]# rpm -ivh oracle-instantclient18.3-devel-18.3.0.0.0-1.x86_64.rpm
    Preparing... ################################# [100%]
    Updating / installing...
    1:oracle-instantclient18.3-devel-18################################# [100%]

    建立连接

    [root@VM_176_134_centos ~]# sudo sh -c "echo /usr/lib/oracle/18.3/client64/lib > /etc/ld.so.conf.d/oracle-instantclient.conf"
    [root@VM_176_134_centos ~]# sudo ldconfig
    [root@VM_176_134_centos ~]# export LD_LIBRARY_PATH=/usr/lib/oracle/18.3/client64/lib:$LD_LIBRARY_PATH

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  • 原文地址:https://www.cnblogs.com/lurenjia1994/p/9640752.html
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