配置LDAP时出现Berkeley DB不匹配错误 [英] Berkeley DB mismatch error while configuring LDAP

问题描述

我正在配置OPENLDAP 2.4.35.在Redhat Linux上，我已经作为前提条件安装了Berkley DB 4.8.30.我还检查了OPENLDAP的README文件的版本兼容性，该文件为:

I'm configuring OPENLDAP 2.4.35. on Redhat Linux, I have already installed Berkley DB 4.8.30 as a prerequisite. I also checked the version compatibility from OPENLDAP's README file, which says:

    SLAPD:
    BDB and HDB backends require Oracle Berkeley DB 4.4 - 4.8,
    or 5.0 - 5.1.  It is highly recommended to apply the
    patches from Oracle for a given release.

仍然出现此错误:

    checking db.h usability... yes
    checking db.h presence... yes
    checking for db.h... yes
    checking for Berkeley DB major version in db.h... 4
    checking for Berkeley DB minor version in db.h... 8
    checking if Berkeley DB version supported by BDB/HDB backends... yes
    checking for Berkeley DB link (-ldb-4.8)... yes
    *checking for Berkeley DB library and header version match... no
    configure: error: Berkeley DB version mismatch*

请帮助

推荐答案

现在配置正常.我必须正确导出Berkeley DB的库路径:

Now the configuration is working fine. I had to export the library path for Berkeley DB properly:

export LD_LIBRARY_PATH="/root/db-6.0.20/build_unix/.libs"

目录build_unix/.libs包含OpenLDAP必需的库，还包含在Berkeley安装过程中产生的许多其他文件.我宁愿建议使用在安装过程中创建的目标Berkeley lib目录(该目录应等于PREFIX/lib)，因为您有一天会删除/更新Berkeley源目录，从而破坏OpenLDAP运行时(请参见编辑的结尾). )

The directory build_unix/.libs contains the necessary libs for OpenLDAP but also lots of other files produced during the Berkeley installation. I rather suggest to use the destination Berkeley lib directory which is created during the installation (it should be equal to PREFIX/lib), because you would remove/update your Berkeley source directory one day, breaking OpenLDAP runtime (see the end of my edit)

您可以通过以下方式导出LD_LIBRARY_PATH变量，或仅在OpenLDAP的配置时进行设置:

You can either export the LD_LIBRARY_PATH variable, or set it only at the configure time of OpenLDAP, this way :

LD_LIBRARY_PATH="/root/db-6.0.20.installed/lib" ./configure

通常会有其他配置选项，我在这里省略了.

Usually there would be other configuration options, I am omitting them here.

一旦正确安装，OpenLDAP仍可能无法启动，并在日志中显示以下错误消息:

Once installed correctly, OpenLDAP may still fail to start with the following error message in the log :

5d34473d bdb_back_initialize: BDB library version mismatch: expected Berkeley DB 5.3.28: (September  9, 2013), got Berkeley DB 5.3.21: (May 11, 2012)

要解决此问题，解决方案是再次在启动脚本中强制使用LD_LIBRARY_PATH变量(例如，无论您身在何处，例如/etc/init.d/openldap).当我们谈论运行时时，在这里重要的是要注意我们不应该调用被认为是临时的build_unix/.libs目录，而应该调用已创建的/lib目录.

To solve this issue, the solution is again to force the LD_LIBRARY_PATH variable, this time in the startup script (wherever is yours, /etc/init.d/openldap for example). As we are talking about the runtime, it's important here to note we shouldn't call the build_unix/.libs directory which is considered temporary, but the created /lib directory.

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