ldapmodify to add OU failed, and led to "ldap_search: Operations error"

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ken wrote:
> ldapmodify to add OU failed, and led to "ldap_search: Operations error"
>
> I set up a directory and am feeling my way towards making it live by 
> doing one thing at a time. I successfully added quite a large number 
> of users using ldapmodify, and could retrieve them with ldapsearch and 
> db2ldif.
>
> Then I tried to add some new OUs in order to copy a subset of the OU 
> hierarchy we have on Windows. But when I ran the ldapmodify it failed.
>
> From that moment on, every ldapsearch I tried resulted in:
>   ldap_search: Operations error
>
> I stopped and restarted the ldap daemon and  now every search I try 
> produces:
>   ldap_search: No such object
>
> The database looks as if it is empty
>
> What did I do wrong?  Can a botched modify so easily wipe out what is 
> already there? Or are they secretly hiding somewhere? Is there a 
> utility that can show me what is actually in the database even if I 
> don't know what its root name is? (I thought db2ldif might do that and 
> it shows nothing now)
>
> I know I can wipe this database entirely (it looks like I already 
> have!) and re-install. BUT I want to know what I did wrong so I don't 
> do it again. The LDIFs to be imported into the directory will come 
> from a program I wrote (it gathers information from various sources 
> such as an SQL database, WAD, /etc/passwd...) and I really don't want 
> to risk repeating my mistake in batch runs at 2am after we've gone 
> live and coming in to find no-one can use the directory.
>
>
> Any clues?
>
> Examples of what I did:
>
> Command used to import LDIF to define an OU
>
> ========================
> ldapmodify -a -B "dc=bbk,dc=ac,dc=uk" -D "cn=directory manager"   -w 
> [PWD]
Why are you using the -B option here?  In mozldap ldapmodify, -B means 
"bulk online import" which means
1) wipe out the database
2) use the database import code to import the given LDIF

> ========================
>
> the LDIF that was used:
>
> ========================
> dn: ou=students,ou=people,dc=bbk,dc=ac,dc=uk
> objectClass: top
> objectClass: organizationalunit
> ou: students
> ========================
>
> Error log from ldapmodify:
>
> ==========================================
> [09/Jun/2008:19:54:47 +0100] - WARNING: Import is running with    
> nsslapd-db-private-import-mem on; No other process is allowed to 
> access the database
> [09/Jun/2008:19:54:47 +0100] - Bulk import: begin import on 
> 'dc=bbk,dc=ac,dc=uk'.
> [09/Jun/2008:19:54:56 +0100] - import userRoot: WARNING: Skipping 
> entry "ou=students,ou=people,dc=bbk,dc=ac,dc=uk" which has no parent, 
> ending at line 0 of file "(bulk import)"
> [09/Jun/2008:19:55:05 +0100] - import userRoot: Workers finished; 
> cleaning up...
> [09/Jun/2008:19:55:05 +0100] - import userRoot: Workers cleaned up.
> [09/Jun/2008:19:55:05 +0100] - import userRoot: Indexing complete.  
> Post-processing...
> [09/Jun/2008:19:55:05 +0100] - Nothing to do to build ancestorid index
> [09/Jun/2008:19:55:05 +0100] - import userRoot: Flushing caches...
> [09/Jun/2008:19:55:05 +0100] - import userRoot: Closing files...
> [09/Jun/2008:19:55:05 +0100] - import userRoot: Import complete. 
>  Processed 1 entries (1 were skipped) in 18 seconds. (0.06 entries/sec)
> [09/Jun/2008:19:55:05 +0100] - Bulk import completed successfully.
> ==========================================
>
> There was no error message on the screen, but the log says the object 
> "has no parent". Though as far as I can tell it has the same parent as 
> the user entries I added successfully, such as:
>
> ========================
> # ldapsearch -b 'dc=bbk,dc=ac,dc=uk' -D "cn=directory manager" -w 
> [PWD] '(objectclass=person)'
> version: 1
> dn: cn=xlean99,ou=people,dc=bbk,dc=ac,dc=uk
> cn: xlean99
> description: A mythical person to test LDAP with
> objectClass: person
> objectClass: top
> sn: Lean
> ========================
>
> Which was in there but is no longer.
>
> But now I see things like:
>
> ========================
> [ken@~]$  /usr/lib/mozldap/ldapsearch -b 'dc=bbk,dc=ac,dc=uk' -D 
> "cn=uxxxxxx" '(cn=uxxxxxx)'
> ldap_search: No such object
>
> [ken@~]$ ldapsearch -b 'dc=bbk,dc=ac,dc=uk' -D "cn=directory manager" 
> -w [PWD] '(objectclass=person)'
> ldap_search: No such object
>
> [ken@~]$ ldapsearch  -b 'dc=bbk,dc=ac,dc=uk' '(objectclass=*)'
> ldap_search: No such object
> ========================
>
> And most worryingly of all:
>
> ========================
> [ken@~]$ ldapsearch -b "" -s base -D "cn=directory manager" -w [PWD] 
> '(objectclass=*)' namingContext
> version: 1
> dn:
> [ken@~]$
> ========================
>
> :-(
>
> It's not a permissions problem because this works:
>
> ========================
> ldapsearch -b o=netscaperoot "objectclass=*" cn
> ========================
>
> This also still works:
>
> ========================
> []# /usr/lib/dirsrv/slapd-ldap1/db2ldif -n NetscapeRoot -a 
> /tmp/stuff2.ldif
> Exported ldif file: /tmp/stuff2.ldif
> ldiffile: /tmp/stuff2.ldif
> [11/Jun/2008:14:03:47 +0100] - export NetscapeRoot: Processed 95 
> entries (100%).
> [11/Jun/2008:14:03:47 +0100] - All database threads now stopped
> ========================
>
> But this produces nothing:
>
> ========================
> []# /usr/lib/dirsrv/slapd-ldap1/db2ldif -n UserRoot -a /tmp/stuffU.ldif
> Exported ldif file: /tmp/stuffU.ldif
> ldiffile: /tmp/stuffU.ldif
> [11/Jun/2008:14:38:23 +0100] - All database threads now stopped
> []# more /tmp/stuffU.ldif
> version: 1
> ========================
>
>
>
>
>
>
>
>
>
> -- 
> Fedora-directory-users mailing list
> Fedora-directory-users at redhat.com
> https://www.redhat.com/mailman/listinfo/fedora-directory-users

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