I'm just getting started with 389 Directory Server (at work), and I've run into 
an issue that I'm not certain how to troubleshoot. I would greatly appreciate 
any assistance or tips you could offer, especially on where to look to see 
what's failing.

Also, I apologize in advance for changing strings related to my employer's 
directory names and such, as I'm not comfortable with leaking that level 
information to a public list.


Overview:

Initializing a large subtree from NDS 6.2 crashes ns-slapd, but other subtrees 
are fine.


Top-Level Questions:

1) How do I stop ns-slapd from crashing?

2) How do I figure out what precisely is causing the crash? (With various 
levels of debug logging I get the same log entry.)

3) Is it possible to simply import my initialization ldif without duplication 
checks?


Background:

At work we have NDS 6.2 (single master on a physical server, virtual machine 
slaves), and would like to move our directories intact to a 389 2.6 
installation via replication.

I already have replicated several of our NDS 6.2 subtrees to 389 2.6 with no 
difficulties.

I compiled our 389 installation from the source packages downloaded from 
http://directory.fedoraproject.org/wiki/Source. The underlying platform is:

$ uname -a
Linux cwlab-02.mycompany.com 2.6.18-164.el5 #1 SMP Thu Sep 3 03:33:56 EDT 2009 
i686 i686 i386 GNU/Linux
$ cat /etc/redhat-release 
CentOS release 5.4 (Final)

$ free
             total       used       free     shared    buffers     cached
Mem:       3894000    1336012    2557988          0     144944    1004716
-/+ buffers/cache:     186352    3707648
Swap:      2031608          0    2031608


Procedure To Crash 389's ns-slapd:

a) In the NDS 6.2 admin console, create a new replication agreement for the 
"o=This Big Net" subtree, and choose to "Create consumer initialization file".

b) Copy the file to the 389 server.

c) In the 389 2.6 admin console for the Directory Server, in the Configuration 
tab (Data -> o=This Big Net -> dbRoot), right-click and choose "Initialize 
Database". Use the ldif file copied over.

The ns-slapd process crashes, and I always get this in 
/opt/dirsrv/var/log/dirsrv/slapd-cwlab-02/errors as the last two lines:

[03/Mar/2010:12:50:04 -0500] - import ldapAuthRoot: Processing file 
"/home/cwood/tbn.ldif"
[03/Mar/2010:12:50:04 -0500] - => str2entry_dupcheck


Other Details:


I found two bugs with the str2entry_dupcheck string in it, but they don't seem 
pertinent:

https://bugzilla.redhat.com/show_bug.cgi?id=548115
https://bugzilla.redhat.com/show_bug.cgi?id=243488


This says that str2entry_dupcheck could be about two things:

http://docs.sun.com/source/816-6699-10/ax_errcd.html

"While attempting to convert a string entry to an LDAP entry, the server found 
that the entry has no DN."

"The server failed to add a value to the value tree."

(But this is an exported database from NDS 6.2, and I'm fairly sure, without 
reading them all, that every entry will have a DN.)


If 389 is trying to check for duplicate entries, perhaps there are simply too 
many DNs?

$ grep '^dn:' tbn.ldif | wc -l
636985
$ ls -lh acc.ldif 
-rw-r--r-- 1 cwood cwood 755M Mar  3 11:24 tbn.ldif


Per the instructions here:

http://directory.fedoraproject.org/wiki/FAQ#Troubleshooting

I set my debug logging first to 24579:

1        Trace function calls 
2        Debug packet handling 
8192     Replication debugging 
16384    Critical messages

Then for the next try at reading logs I set it to 90115, the above plus:

65536    Plug-in debugging

However, every time the log ended with the same set of lines noted above.
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