I do not completely understand that as the QuartzSessionClear-Class will
query the db every 30 minutes for session-data that is timed-out. How can
the DB Connection be timed-out because of in-activity if there is a Query
every 15 minutes?


sebastian


2009/2/2 smoeker <[email protected]>

>
> hola,
>
> the hibernate problems in combination with the mysql are mostly
> dependent on the wait_timeout parameter in the mysql server.
>
> -> the default in the mysqlserver is a wait_timeout of 8 hours until
> the mysqld cuts all non used connections.
> -> its easier to test, setting down that startparam in the server, so
> u dont have to wait until it happens after some hours....
>
> see ya
>
> Smoeker
>
> On 1 Feb., 11:22, Sebastian Wagner <[email protected]> wrote:
> >  OpenMeeting v0.52 had another Database-Engine (InnoDB) now we use MyISAM
> > which is much faster (but has not referential integrity).
> >
> > It seems to me like that did do the trick almost. I have no problems now
> for
> > the last 24 hours.
> >
> > sebastian
> >
> > 2009/1/31 Wayne <[email protected]>
> >
> >
> >
> >
> >
> > > Sebastian --
> >
> > > I am mostly concerned about our installation of v0.7rc1.  The values
> > > in the hibernate.cfg.xml of that installation were as you outlined in
> > > your post.  I have left those alone.
> >
> > > I updated to v5.1.7 of the JDBC driver.
> >
> > > I'll wait 36 hours and let you know what happens.
> >
> > > Out of curiosity--we had OpenMeeting v0.52 running under Windows 2003
> > > and XAMPP v1.67.  It ran for many days without problems.  Is there
> > > something different about that environment?
> >
> > > Thanks for your responses.
> >
> > > -- Wayne
> >
> > > On Jan 31, 2:36 am, Sebastian Wagner <[email protected]> wrote:
> > > > ... but i think its still not solved.
> > > > I know did update to the latest JDBC driver and test that
> > > > you have to replace the old one from WEB-INF/lib and restarthttp://
> > > dev.mysql.com/downloads/connector/j/5.1.html
> >
> > > > ... and then wait for another 24/36 hours to see if this is the
> solution.
> >
> > > > sebastian wagner
> >
> > > > 2009/1/31 Sebastian Wagner <[email protected]>
> >
> > > > > I've seen that. The latest package should have different values in
> the
> > > > > hibernate.cfg.xml
> >
> > > > >
> http://openmeetings.googlecode.com/svn/trunk/webapp/webapp/openmeetin.
> > > ..
> >
> > > > > see the line with the new ....
> >
> > > > > autoReconnect=true&amp;
> >
> > > > > ....:
> >
> > > > > <property
> > >
> name="connection.url">jdbc:mysql://localhost/openmeetings?autoReconnect=tru­e&amp;useUnicode=true&amp;createDatabaseIfNotExist=true&amp;characterEncodi­ng=utf-8</property>
> >
> > > > >            param and the new values + properties for c3p0:
> >
> > > > >            <property name="c3p0.max_size">20</property>
> > > > >            <property name="c3p0.min_size">2</property>
> > > > >         <property name="c3p0.idle_test_period">100</property>
> >
> > > > >            <property name="c3p0.max_statements">100</property>
> > > > >            <property name="c3p0.timeout">100</property>
> >
> > > > > That should fix it.
> >
> > > > > sebastian
> >
> > > > > 2009/1/30 Wayne <[email protected]>
> >
> > > > >> OS: CentOS v5
> > > > >> OpenMeeting v0.7rc1 and previous
> > > > >> Red5: r3200 snapshot
> >
> > > > >> Here is a description of our problem...
> >
> > > > >> - OpenMeetings sits idle for several hours.
> > > > >> - Scenario 1: Crash when navigating between OpenMeeting
> pages--never
> > > > >> while in a meeting room.
> > > > >> - Scenario 2: Unable to make an initial connection--OpenMeeting
> > > > >> already crashed.
> > > > >> - Red5 is still up and running (can access demo applications).
> > > > >> - Red5 error log indicates (I think) that OpenMeeting was unable
> to
> > > > >> communicate with MySQL.
> > > > >> - MySQL database appears to be operating normally (access from
> console
> > > > >> is OK).
> > > > >> - Restarting Red5 restores access to OpenMeeting.
> >
> > > > >> I've included excerpts from the Red5 error log file for Scenario 1
> and
> > > > >> Scenario 2.  Can anyone confirm my guess that this is a
> communications
> > > > >> problem with MySQL?
> >
> > > > >> Any suggestions?  Thanks for your help.
> >
> > > > >> Scenario 1 ==========================================
> > > > >> 2009-01-30 00:00:17,589 [pool-4-thread-13] ERROR
> > > > >> o.o.app.remote.ConferenceService - ConferenceService.java 23315726
> 88
> > > > >> org.openmeetings.app.remote.ConferenceService [pool-4-thread-13] -
> > > > >> getRoomsPublic user_level: 1
> > > > >> 2009-01-30 00:00:17,590 [pool-4-thread-13] ERROR
> > > > >> o.o.a.d.conference.Roommanagement - Roommanagement.java 23315727
> 277
> > > > >> org.openmeetings.app.data.conference.Roommanagement
> [pool-4-thread-13]
> > > > >> - getPublicRooms: roomtypes_id 1
> > > > >> 2009-01-30 00:00:17,590 [pool-4-thread-13] ERROR
> > > > >> o.o.a.d.conference.Roommanagement - Roommanagement.java 23315727
> 279
> > > > >> org.openmeetings.app.data.conference.Roommanagement
> [pool-4-thread-13]
> > > > >> - ### getPublicRooms: create Query 1
> > > > >> 2009-01-30 00:00:17,594 [pool-4-thread-13] ERROR
> > > > >> o.o.a.d.conference.Roommanagement - Roommanagement.java 23315731
> 302
> > > > >> org.openmeetings.app.data.conference.Roommanagement
> [pool-4-thread-13]
> > > > >> - ### getPublicRooms: size Room List 3
> > > > >> 2009-01-30 00:01:14,526 [pool-4-thread-13] ERROR
> > > > >> o.o.app.data.user.Usermanagement - LdapLoginManagement.java
> 23372663
> > > > >> 80 org.openmeetings.app.data.user.Usermanagement
> [pool-4-thread-13] -
> > > > >> Error retrieving ConfigKey ldap_config_path!
> > > > >> 2009-01-30 00:01:17,250 [pool-4-thread-13] ERROR
> > > > >> o.o.app.data.basic.Navimanagement - Navimanagement.java 23375387
> 75
> > > > >> org.openmeetings.app.data.basic.Navimanagement [pool-4-thread-13]
> -
> > > > >> getMainMenu 5
> > > > >> 2009-01-30 00:01:44,978 [pool-4-thread-13] ERROR
> > > > >> o.o.app.remote.ConferenceService - ConferenceService.java 23403115
> 88
> > > > >> org.openmeetings.app.remote.ConferenceService [pool-4-thread-13] -
> > > > >> getRoomsPublic user_level: 3
> > > > >> 2009-01-30 00:01:44,979 [pool-4-thread-13] ERROR
> > > > >> o.o.a.d.conference.Roommanagement - Roommanagement.java 23403116
> 277
> > > > >> org.openmeetings.app.data.conference.Roommanagement
> [pool-4-thread-13]
> > > > >> - getPublicRooms: roomtypes_id 1
> > > > >> 2009-01-30 00:01:44,979 [pool-4-thread-13] ERROR
> > > > >> o.o.a.d.conference.Roommanagement - Roommanagement.java 23403116
> 279
> > > > >> org.openmeetings.app.data.conference.Roommanagement
> [pool-4-thread-13]
> > > > >> - ### getPublicRooms: create Query 1
> > > > >> 2009-01-30 00:01:44,983 [pool-4-thread-13] ERROR
> > > > >> o.o.a.d.conference.Roommanagement - Roommanagement.java 23403120
> 302
> > > > >> org.openmeetings.app.data.conference.Roommanagement
> [pool-4-thread-13]
> > > > >> - ### getPublicRooms: size Room List 3
> > > > >> 2009-01-30 00:01:47,646 [pool-4-thread-13] ERROR
> > > > >> o.o.app.remote.ConferenceService - ConferenceService.java 23405783
> 88
> > > > >> org.openmeetings.app.remote.ConferenceService [pool-4-thread-13] -
> > > > >> getRoomsPublic user_level: 3
> > > > >> 2009-01-30 00:01:47,647 [pool-4-thread-13] ERROR
> > > > >> o.o.a.d.conference.Roommanagement - Roommanagement.java 23405784
> 277
> > > > >> org.openmeetings.app.data.conference.Roommanagement
> [pool-4-thread-13]
> > > > >> - getPublicRooms: roomtypes_id 2
> > > > >> 2009-01-30 00:01:47,648 [pool-4-thread-13] ERROR
> > > > >> o.o.a.d.conference.Roommanagement - Roommanagement.java 23405785
> 279
> > > > >> org.openmeetings.app.data.conference.Roommanagement
> [pool-4-thread-13]
> > > > >> - ### getPublicRooms: create Query 2
> > > > >> 2009-01-30 00:01:47,651 [pool-4-thread-13] ERROR
> > > > >> o.o.a.d.conference.Roommanagement - Roommanagement.java 23405788
> 302
> > > > >> org.openmeetings.app.data.conference.Roommanagement
> [pool-4-thread-13]
> > > > >> - ### getPublicRooms: size Room List 1
> > > > >> 2009-01-30 00:02:14,754 [pool-4-thread-13] ERROR
> > > > >> o.o.app.remote.ConferenceService - ConferenceService.java 23432891
> 88
> > > > >> org.openmeetings.app.remote.ConferenceService [pool-4-thread-13] -
> > > > >> getRoomsPublic user_level: 3
> > > > >> 2009-01-30 00:02:14,755 [pool-4-thread-13] ERROR
> > > > >> o.o.a.d.conference.Roommanagement - Roommanagement.java 23432892
> 277
> > > > >> org.openmeetings.app.data.conference.Roommanagement
> [pool-4-thread-13]
> > > > >> - getPublicRooms: roomtypes_id 1
> > > > >> 2009-01-30 00:02:14,756 [pool-4-thread-13] ERROR
> > > > >> o.o.a.d.conference.Roommanagement - Roommanagement.java 23432893
> 279
> > > > >> org.openmeetings.app.data.conference.Roommanagement
> [pool-4-thread-13]
> > > > >> - ### getPublicRooms: create Query 1
> > > > >> 2009-01-30 00:02:14,759 [pool-4-thread-13] ERROR
> > > > >> o.o.a.d.conference.Roommanagement - Roommanagement.java 23432896
> 302
> > > > >> org.openmeetings.app.data.conference.Roommanagement
> [pool-4-thread-13]
> > > > >> - ### getPublicRooms: size Room List 3
> > > > >> 2009-01-30 00:03:05,467 [pool-4-thread-13] ERROR
> > > > >> o.o.app.remote.ConferenceService - ConferenceService.java 23483604
> 88
> > > > >> org.openmeetings.app.remote.ConferenceService [pool-4-thread-13] -
> > > > >> getRoomsPublic user_level: 3
> > > > >> 2009-01-30 00:03:05,468 [pool-4-thread-13] ERROR
> > > > >> o.o.a.d.conference.Roommanagement - Roommanagement.java 23483605
> 277
> > > > >> org.openmeetings.app.data.conference.Roommanagement
> [pool-4-thread-13]
> > > > >> - getPublicRooms: roomtypes_id 1
> > > > >> 2009-01-30 00:03:05,468 [pool-4-thread-13] ERROR
> > > > >> o.o.a.d.conference.Roommanagement - Roommanagement.java 23483605
> 279
> > > > >> org.openmeetings.app.data.conference.Roommanagement
> [pool-4-thread-13]
> > > > >> - ### getPublicRooms: create Query 1
> > > > >> 2009-01-30 00:03:05,473 [pool-4-thread-13] ERROR
> > > > >> o.o.a.d.conference.Roommanagement - Roommanagement.java 23483610
> 302
> > > > >> org.openmeetings.app.data.conference.Roommanagement
> [pool-4-thread-13]
> > > > >> - ### getPublicRooms: size Room List 3
> > > > >> 2009-01-30 00:03:48,868 [pool-4-thread-13] ERROR
> > > > >> o.o.app.remote.ConferenceService - ConferenceService.java 23527005
> 88
> > > > >> org.openmeetings.app.remote.ConferenceService [pool-4-thread-13] -
> > > > >> getRoomsPublic user_level: 3
> > > > >> 2009-01-30 00:03:48,869 [pool-4-thread-13] ERROR
> > > > >> o.o.a.d.conference.Roommanagement - Roommanagement.java 23527006
> 277
> > > > >> org.openmeetings.app.data.conference.Roommanagement
> [pool-4-thread-13]
> > > > >> - getPublicRooms: roomtypes_id 1
> > > > >> 2009-01-30 00:03:48,870 [pool-4-thread-13] ERROR
> > > > >> o.o.a.d.conference.Roommanagement - Roommanagement.java 23527007
> 279
> > > > >> org.openmeetings.app.data.conference.Roommanagement
> [pool-4-thread-13]
> > > > >> - ### getPublicRooms: create Query 1
> > > > >> 2009-01-30 00:03:48,874 [pool-4-thread-13] ERROR
> > > > >> o.o.a.d.conference.Roommanagement - Roommanagement.java 23527011
> 302
> > > > >> org.openmeetings.app.data.conference.Roommanagement
> [pool-4-thread-13]
> > > > >> - ### getPublicRooms: size Room List 3
> > > > >> 2009-01-30
> >
> > ...
> >
> > Erfahren Sie mehr »- Zitierten Text ausblenden -
> >
> > - Zitierten Text anzeigen -
> >
>


-- 
Sebastian Wagner
http://www.webbase-design.de
http://openmeetings.googlecode.com
http://www.laszlo-forum.de
[email protected]

--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google Groups 
"OpenMeetings User" group.
To post to this group, send email to [email protected]
To unsubscribe from this group, send email to 
[email protected]
For more options, visit this group at 
http://groups.google.com/group/openmeetings-user?hl=en
-~----------~----~----~----~------~----~------~--~---

Reply via email to