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Old 08-25-2010, 05:56 PM
Andrey Ivanov
 
Default Incremental Replication over SSL ( and startTLS) with simple bind crashes the latest version

2010/8/25 Rich Megginson <rmeggins@redhat.com>


Andrey Ivanov wrote:


I wanted to configure the replication over SSL (both with SSL

mechanism which was available in previous versions) and by TLS using

simple bind (both in multimaster or single master-dedicated consumer models).



I've tried to configure it with command line and with the console. The

configuration and the initial initialisation are ok :



[25/Aug/2010:18:30:44 +0200] NSMMReplicationPlugin - replica_config_delete: Warning: The changelog for replica dc=id,dc=polytechnique,dc=edu is no longer valid since the replica config is being deleted. *Removing the changelog.



[25/Aug/2010:18:34:33 +0200] NSMMReplicationPlugin - multimaster_be_state_change: replica dc=id,dc=polytechnique,dc=edu is going offline; disabling replication

[25/Aug/2010:18:34:33 +0200] - WARNING: Import is running with nsslapd-db-private-import-mem on; No other process is allowed to access the database

[25/Aug/2010:18:34:39 +0200] - import userRoot: Workers finished; cleaning up...

[25/Aug/2010:18:34:40 +0200] - import userRoot: Workers cleaned up.

[25/Aug/2010:18:34:40 +0200] - import userRoot: Indexing complete. *Post-processing...

[25/Aug/2010:18:34:40 +0200] - import userRoot: Flushing caches...

[25/Aug/2010:18:34:40 +0200] - import userRoot: Closing files...

[25/Aug/2010:18:34:40 +0200] - import userRoot: Import complete. *Processed 9523 entries in 7 seconds. (1360.43 entries/sec)

[25/Aug/2010:18:34:40 +0200] NSMMReplicationPlugin - multimaster_be_state_change: replica dc=id,dc=polytechnique,dc=edu is coming online; enabling replication



But *when i continue and try to make a change on a master the consumer

server *crashes. *So the total replica initialisation is ok but even a

single *incremental *update *crashes the consumer server. And there is

nothing *helpful *in logs. I haven't tried the 1.2.6.rc7 version, i've

tried *the latest code version (as of today). Don't know if it matters

(there *seem *to *be *a *lot *of coverity defects that have been fixed

between rc7 and a1).

*


Can you get a core file and a stack trace?*Rich, just as i thought, this crash happens only with today's snapshot of 1.2.7.a1 version only. I've compiled 1.2.6.rc7 and the replication works smoothly and without any problem. I didn't have a lot of time to generate a stack trace because i was migrating our production servers. I thought the latest build should be stable but it seems that the changes between 6rc7 and 7a1 introduce some problems with incremental replication as well as with apostrophs in DN (my second mail). So for now i will migrate to 1.2.6.rc7. I'll test the a1 version later when i will have time...



Thanks!


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Old 08-25-2010, 06:22 PM
Rich Megginson
 
Default Incremental Replication over SSL ( and startTLS) with simple bind crashes the latest version

Andrey Ivanov wrote:
>
>
> 2010/8/25 Rich Megginson <rmeggins@redhat.com
> <mailto:rmeggins@redhat.com>>
>
> Andrey Ivanov wrote:
>
> I wanted to configure the replication over SSL (both with SSL
> mechanism which was available in previous versions) and by TLS
> using
> simple bind (both in multimaster or single master-dedicated
> consumer models).
>
> I've tried to configure it with command line and with the
> console. The
> configuration and the initial initialisation are ok :
>
> [25/Aug/2010:18:30:44 +0200] NSMMReplicationPlugin -
> replica_config_delete: Warning: The changelog for replica
> dc=id,dc=polytechnique,dc=edu is no longer valid since the
> replica config is being deleted. Removing the changelog.
> [25/Aug/2010:18:34:33 +0200] NSMMReplicationPlugin -
> multimaster_be_state_change: replica
> dc=id,dc=polytechnique,dc=edu is going offline; disabling
> replication
> [25/Aug/2010:18:34:33 +0200] - WARNING: Import is running with
> nsslapd-db-private-import-mem on; No other process is allowed
> to access the database
> [25/Aug/2010:18:34:39 +0200] - import userRoot: Workers
> finished; cleaning up...
> [25/Aug/2010:18:34:40 +0200] - import userRoot: Workers
> cleaned up.
> [25/Aug/2010:18:34:40 +0200] - import userRoot: Indexing
> complete. Post-processing...
> [25/Aug/2010:18:34:40 +0200] - import userRoot: Flushing caches...
> [25/Aug/2010:18:34:40 +0200] - import userRoot: Closing files...
> [25/Aug/2010:18:34:40 +0200] - import userRoot: Import
> complete. Processed 9523 entries in 7 seconds. (1360.43
> entries/sec)
> [25/Aug/2010:18:34:40 +0200] NSMMReplicationPlugin -
> multimaster_be_state_change: replica
> dc=id,dc=polytechnique,dc=edu is coming online; enabling
> replication
>
> But when i continue and try to make a change on a master the
> consumer
> server crashes. So the total replica initialisation is ok
> but even a
> single incremental update crashes the consumer server. And
> there is
> nothing helpful in logs. I haven't tried the 1.2.6.rc7
> version, i've
> tried the latest code version (as of today). Don't know if it
> matters
> (there seem to be a lot of coverity defects that have
> been fixed
> between rc7 and a1).
>
>
> Can you get a core file and a stack trace?
>
>
> Rich, just as i thought, this crash happens only with today's snapshot
> of 1.2.7.a1 version only. I've compiled 1.2.6.rc7 and the replication
> works smoothly and without any problem. I didn't have a lot of time to
> generate a stack trace because i was migrating our production servers.
> I thought the latest build should be stable but it seems that the
> changes between 6rc7 and 7a1 introduce some problems with incremental
> replication as well as with apostrophs in DN (my second mail). So for
> now i will migrate to 1.2.6.rc7. I'll test the a1 version later when i
> will have time...
Thanks for the confirmation. Yeah, the 1.2.7 (master) is unstable right
now. There have been a lot of changes going in that haven't been fully
tested with our test suite (we're also having to update the test suite).
>
> Thanks!
>

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