When trying to register in Service Portal with eZ Publish 4.6 running on an Oracle DB, after doing the following steps:

$ alias phpbin="php -d memory_limit=512M -d safe_mode=0 -d disable_functions=0"
$ phpbin runcronjobs.php sync_network
$ phpbin runcronjobs.php patch
$ phpbin runcronjobs.php monitor

the following error happens:

Running cronjob part 'monitor'
Running extension/ez_network/cronjobs/runmonitor.php at: 08/11/2011 8:55 pm
eZ Network Client client 1.3.0-beta1

Starting eZ Network monitor.
Use the --force option to force monitors to be run.
Getting global timestamp from eZ Systems
Offset from global TS: 1
Fatal error: A database transaction in eZ Publish failed.

The current execution was stopped to prevent further problems.
You should contact the System Administrator (admin@ez.no) of this site.
The current transaction ID is TRANSID-02ff656124bdc4968a61959f0f2527b4 and has been logged.
Please include the transaction ID and the name of the current script when contacting the system administrator.

PHP Warning: session_write_close(): open(/var/lib/php/session/sess_akaa8ilr36u4529d1phq23s7g0, O_RDWR) failed: Permission denied (13) in /var/www/apache2php53/ezp/.run/lib/ezsession/classes/ezsession.php on line 390
PHP Warning: session_write_close(): Failed to write session data (files). Please verify that the current setting of session.save_path is correct (/var/lib/php/session) in /var/www/apache2php53/ezp/.run/lib/ezsession/classes/ezsession.php on line 390

Steps to reproduce

1. Clean installation of eZ Publish 4.5
2. Register in eZ Network
3. Install ezoracle extension
4. Run sync_network and monitor conrjobs