Berkeley Db Mismatch Error While Configuring Ldap

Berkeley DB mismatch error while configuring LDAP

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"

Edit :

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)

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

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

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)

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.

OpenLdap exptects different version of Bekerley DB

You might have to set the LD_LIBRARY_PATH to point to the /build_unix/.libs folder as well.

A similar issue I ran into while running "./configure" for openldap was resolved by setting the LD_LIBRARY_PATH properly.

Reference:
Berkeley DB mismatch error while configuring LDAP

Building OpenLDAP from sources and missing BerkelyDB

do yum install db4-devel

(or just install the prepackaged openldap, yum install openldap-servers openldap-clients

LDAP connection ldap_sasl_bind_s gives assertion

I got this issue on Red Hat 6 when linking with both OpenLDAP libldap.so and Oracle's client library libclntsh.so, which embedded inside it has an Oracle implementation of the C LDAP API.

The issue is that OpenLDAP libldap.so requires library liblber.so, and if you don't explicitly link to it, these symbols are resolved by libclntsh.so, and hence are incompatible.

The fix is to add -llber to your linker line.

Note: on Red Hat 7, the error is different, you get -3 (LDAP_ENCODING_ERROR) 'Encoding error'.

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