尝试加载"Oracle"时出现ORA-01804错误dbDriver [英] ORA-01804 error while trying to load "Oracle" dbDriver

问题描述

我正在使用 ROracle 并执行以下操作R中的命令:

Sys.getenv()
drv <- dbDriver("Oracle")

这是我在最后一行之后得到的错误:

Error in .oci.Driver(.oci.drv(), interruptible = interruptible, unicode_as_utf8 = unicode_as_utf8,  :
  Error while trying to retrieve text for error ORA-01804

我正在使用 RStudio服务器在RHEL 5服务器上工作. /p>

如何避免此错误?

解决方案

您必须检查这2点:

必须定义
• ORACLE_HOME环境变量
• $ORACLE_HOME/lib路径必须位于LD_LIBRARY_PATH环境变量值中

例如，如果您的ORACLE_HOME是/usr/lib/oracle/12.1/client64(这是带有官方.rpm的Oracle Instant Client安装中的默认设置)，请执行以下R命令:

Sys.setenv("ORACLE_HOME" = "/usr/lib/oracle/12.1/client64")
Sys.getenv("LD_LIBRARY_PATH")
# Here check if /usr/lib/oracle/12.1/client64/lib is a part (separated by ":" of the result)
# else, append ":/usr/lib/oracle/12.1/client64/lib" to the result and set the environment variable using:
# Sys.setenv("LD_LIBRARY_PATH" = "/all/the/result:/of/getenv/command:/usr/lib/oracle/12.1/client64/lib")

I'm using ROracle and do the following commands in R:

Sys.getenv()
drv <- dbDriver("Oracle")

And here is the error I obtain after this last line:

Error in .oci.Driver(.oci.drv(), interruptible = interruptible, unicode_as_utf8 = unicode_as_utf8,  :
  Error while trying to retrieve text for error ORA-01804

I'm on RStudio Server working on a RHEL 5 server.

How could I avoid this error?

解决方案

You have to check those 2 points:

• ORACLE_HOME environment variable must be defined
• $ORACLE_HOME/lib path must be in LD_LIBRARY_PATH environment variable value

For example, if your ORACLE_HOME is /usr/lib/oracle/12.1/client64 (which is the default in Oracle Instant Client installation with the official .rpm), execute the following R commands:

Sys.setenv("ORACLE_HOME" = "/usr/lib/oracle/12.1/client64")
Sys.getenv("LD_LIBRARY_PATH")
# Here check if /usr/lib/oracle/12.1/client64/lib is a part (separated by ":" of the result)
# else, append ":/usr/lib/oracle/12.1/client64/lib" to the result and set the environment variable using:
# Sys.setenv("LD_LIBRARY_PATH" = "/all/the/result:/of/getenv/command:/usr/lib/oracle/12.1/client64/lib")

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