oci_connect()：OCIEnvNlsCreate() 在 RHEL 8 中使用 HTTPD 失败

Question

我需要您的帮助才能在我的 Red Hat 8.9 服务器上以 PHP8 连接到 Oracle。

OCI8 已启用并安装了 HTTPD Web 服务器。这是我的代码：

    <?php
    // Enable error reporting in PHP
    error_reporting(E_ALL);
    ini_set('display_errors', 1);
    
    // Connect to the Oracle database using oci_connect
    $conn = oci_connect("toakdbi", "toakdbi_123", "(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=AvaniServer)(PORT=1521)))(CONNE_DATA=(SID=orcl)))");
    
    if (!$conn) {
        $e = oci_error();
        echo "Connection failed: " . $e['message'];
    } else {
        echo "</br>Connected to Oracle!";
    }
    ?>

这是我得到的错误：

Warning: oci_connect(): OCIEnvNlsCreate() failed. There is something wrong with your system - please check that LD_LIBRARY_PATH includes the directory with Oracle Instant Client libraries in /var/www/html/db2.php on line 10 
Warning: oci_connect(): Error while trying to retrieve text for error ORA-01804 in /var/www/html/db2.php on line 10 
Warning: Trying to access array offset on false in /var/www/html/db2.php on line 14
Connection failed:

---

我的配置如下：

/etc/httpd/conf/httpd.conf

SetEnv LD_LIBRARY_PATH /home/oracle/Avani/dbhome_1/lib
SetEnv NLS_LANG American_America.UTF8
SetEnv PATH /usr/local/sbin:/bin:/usr/bin:/sbin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/home/oracle/Avani/dbhome_1/bin
PassEnv LD_LIBRARY_PATH

/etc/sysconfig/httpd

export LD_LIBRARY_PATH=/home/oracle/Avani/dbhome_1/lib
export ORACLE_HOME=/home/oracle/Avani/dbhome_1
export ORACLE_BASE=/home/oracle
export PATH=/usr/local/sbin:/bin:/usr/bin:/sbin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/home/oracle/Avani/dbhome_1/bin

~/.bashrc

# .bashrc   
# User specific aliases and functions   
    
export LD_LIBRARY_PATH=/home/oracle/Avani/dbhome_1/lib
export NLS_LANG=American_America.UTF8
export TNS_ADMIN=/home/oracle/Avani/dbhome_1/network/admin
export PATH=$PATH:$ORACLE_HOME/bin:$LD_LIBRARY_PATH:.
alias rm='rm -i'
alias cp='cp -i'
alias mv='mv -i'

# Source global definitions
if [ -f /etc/bashrc ]; then
        . /etc/bashrc
fi
export LD_LIBRARY_PATH=/home/oracle/Avani/dbhome_1/lib
export PATH=/bin:/usr/bin:/sbin:/usr/sbin:/usr/local/bin:/usr/local/sbin:$PATH:$ORACLE_HOME/bin

~/.bash_profile

#.bash_profile
# Get the aliases and functions
if [ -f ~/.bashrc ]; then
        . ~/.bashrc
fi

export ORACLE_HOME=/home/oracle/Avani/dbhome_1
export ORACLE_SID=orcl

export LD_LIBRARY_PATH=/home/oracle/Avani/dbhome_1/lib
export NLS_LANG=American_America.UTF8
export TNS_ADMIN=/home/oracle/Avani/dbhome_1/network/admin
export PATH=/bin:/usr/bin:/sbin:/usr/sbin:/usr/local/bin:/usr/local/sbin:$PATH:$ORACLE_HOME/bin:$PATH:.
# User specific environment and startup programs



export PATH

/etc/systemd/system/httpd.service.d/httpd.conf

[Service]
Environment="LD_LIBRARY_PATH=/home/oracle/Avani/dbhome_1/lib"
Environment="PATH=/usr/local/sbin:/bin:/usr/bin:/sbin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/home/oracle/Avani/dbhome_1/bin"

Answer 1

使用 Oracle Instant Client 时切勿设置 ORACLE_HOME。 另外，对于 Instant Client，设置 ORACLE_SID 没有意义。 所以取消这些设置。 尝试使用安装文档中提到的 ldconfig 命令，而不是设置 LD_LIBRARY_PATH。

你的道路

/home/oracle/Avani/dbhome_1/lib/instantclient

看起来很可疑。 如果您已经安装了数据库，则无需安装Instant Client。 DB /lib 目录已经有正确的库。

总的来说，我建议安装 Instant Client RPM，而不是 Instant Client ZIP。 RPM 将在其安装过程中正确设置库搜索路径。 然后您可以取消设置所有 Oracle 环境变量。 通过 Apache 传递环境变量会很棘手，因为您需要将它们放入正确的文件中。 在 shell 中设置变量通常是不够的并且不起作用

Answer 2

您的代码中有一个小拼写错误，应该是

CONNECT_DATA

而不是

CONNE_DATA

。

// Connect to the Oracle database using oci_connect
$conn = oci_connect("toakdbi", "toakdbi_123", "(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=AvaniServer)(PORT=1521)))(CONNECT_DATA=(SID=orcl)))");