ORA-12737: Instant Client Light: unsupported server character set string

文档解释

ORA-12737: Instant Client Light: unsupported server character set string

Cause: The character set specified is not allowed for this operation or is invalid. Instant Client Light has only minimal character sets.

Action: Do not use Instant Client Light for this character set

ORA-12737错误是显示Oracle客户端软件——Instant Client Light不支持伺服器所设定的字符集。

此错误一般在当使用Instant Client Light访问Oracle数据库时无法连接到数据库时出现。

官方解释

ORA-12737: Instant Client Light: unsupported server character set string

Cause: The server character set string was not supported in the instant client light configuration.

Action: Verify that the NLS_LANG (or equivalent) parameter is set correctly in the environment.

常见案例

当用Instant Client Light连接Oracle数据库出现此错误时,首先查看Oracle环境变量NLS_LANG是否设置正确,如果没有设置正确,可以使用安装Instant Client Light时设置的字符集进行设置。

正常处理方法及步骤

1.检查Oracle环境变量NLS_LANG是否设置正确。

2.确保Instant Client Light安装时所设置的字符集正确。

3.根据Oracle官方文档里面对Instant Client Light支持的字符集进行配置,可以详见官方文档:https://docs.oracle.com/en/database/oracle/oracle-database/19/odlct/introduction-instant-client-light.html#ODLCT-GUID-4566CEEF-42A8-46C9-AFEA-89A2F1A51275

4.如果以上步骤均已经尝试,却仍然无法解决此问题,请及时联系Oracle技术支持人员,了解更多细节。

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