just run jconsole, connect to Bootstrap process and go in openejb.* in MBean tab Romain Manni-Bucau Twitter: @rmannibucau Blog: http://rmannibucau.wordpress.com/ LinkedIn: http://fr.linkedin.com/in/rmannibucau Github: https://github.com/rmannibucau
2014-02-13 18:30 GMT+01:00 José Luis Cetina <maxtorz...@gmail.com>: > Romain, is there any doc in tomee web page for jmx? in new with this > > > 2014-02-13 11:24 GMT-06:00 Leonardo K. Shikida <shik...@gmail.com>: > >> Hi José >> >> in linux, you can dump the threads using kill -3 pid where pid is the >> catalina process id >> >> [] >> >> Leo >> >> >> On Thu, Feb 13, 2014 at 2:42 PM, José Luis Cetina <maxtorz...@gmail.com >> >wrote: >> >> > Sorry for my ignorance but how do i check the thread stack? >> > >> > >> > 2014-02-13 10:40 GMT-06:00 Romain Manni-Bucau <rmannibu...@gmail.com>: >> > >> > > check your thread stack. Note a wrong config can make connections not >> > > returning to pool IIRC >> > > Romain Manni-Bucau >> > > Twitter: @rmannibucau >> > > Blog: http://rmannibucau.wordpress.com/ >> > > LinkedIn: http://fr.linkedin.com/in/rmannibucau >> > > Github: https://github.com/rmannibucau >> > > >> > > >> > > >> > > 2014-02-13 17:39 GMT+01:00 José Luis Cetina <maxtorz...@gmail.com>: >> > > > Ok. >> > > > >> > > > At this moment my webapp in production is loggin me: >> > > > >> > > > SEVERE: EjbTransactionUtil.handleSystemException: >> > > [ajp-bio-8009-exec-1458] >> > > > Timeout: Pool empty. Unable to fetch a connection in 90 seconds, none >> > > > available[size:250; busy:250; idle:0; lastwait:90000]. >> > > > >> > > > Pool empty, it means my 250 of 250 are using it? >> > > > >> > > > Any advice? >> > > > >> > > > >> > > > >> > > > >> > > > >> > > > 2014-02-13 10:35 GMT-06:00 Romain Manni-Bucau <rmannibu...@gmail.com >> >: >> > > > >> > > >> No it is fine. >> > > >> Romain Manni-Bucau >> > > >> Twitter: @rmannibucau >> > > >> Blog: http://rmannibucau.wordpress.com/ >> > > >> LinkedIn: http://fr.linkedin.com/in/rmannibucau >> > > >> Github: https://github.com/rmannibucau >> > > >> >> > > >> >> > > >> >> > > >> 2014-02-13 17:18 GMT+01:00 José Luis Cetina <maxtorz...@gmail.com>: >> > > >> > Thanks i already readed. Maybe what is happen is that my webapps >> are >> > > not >> > > >> > returning to the pool the database connection. >> > > >> > >> > > >> > I have a question: >> > > >> > >> > > >> > If i have a stateles bean using an entitymanager and doing any >> kind >> > of >> > > >> > operation in the database, when my method returns the connections >> is >> > > the >> > > >> > connections is closed and returned to the pool?? do i missing >> > > something? >> > > >> > >> > > >> > >> > > >> > //All my ejbs are like this >> > > >> > @Stateless >> > > >> > @TransactionManagement(TransactionManagementType.CONTAINER) >> > > >> > public class ConektaComprasOnlineGeneradasFacade{ >> > > >> > >> > > >> > @PersistenceContext(unitName = "anyName") >> > > >> > private EntityManager em; >> > > >> > >> > > >> > @TransactionAttribute(TransactionAttributeType.REQUIRED) >> > > >> > public void doSomeStuff(){ >> > > >> > MyObject x = new MyObject(); >> > > >> > em.persist(x); >> > > >> > //when this method is finished and the commit its done the >> > > >> database >> > > >> > connection is returned to the pool? do i have to close it? >> > > >> > } >> > > >> > >> > > >> > } >> > > >> > >> > > >> > >> > > >> > Thanks >> > > >> > >> > > >> > >> > > >> > >> > > >> > 2014-02-13 9:51 GMT-06:00 Howard W. Smith, Jr. < >> > > smithh032...@gmail.com>: >> > > >> > >> > > >> >> also, this one, and you can reach out to tomcat user list, too... >> > > >> >> >> > > >> >> >> > > >> >> >> > > >> >> > > >> > >> http://blog.christopherschultz.net/index.php/2009/03/16/properly-handling-pooled-jdbc-connections/ >> > > >> >> >> > > >> >> >> > > >> >> >> > > >> >> On Thu, Feb 13, 2014 at 10:34 AM, José Luis Cetina < >> > > >> maxtorz...@gmail.com >> > > >> >> >wrote: >> > > >> >> >> > > >> >> > Then if tomee use tomcat-pool is this where the info really is? >> > > >> >> > >> > > >> >> > https://tomcat.apache.org/tomcat-7.0-doc/jdbc-pool.html not >> here >> > > >> >> > >> http://commons.apache.org/proper/commons-dbcp/configuration.html >> > > >> >> > >> > > >> >> > >> > > >> >> > 2014-02-13 9:32 GMT-06:00 José Luis Cetina < >> maxtorz...@gmail.com >> > >: >> > > >> >> > >> > > >> >> > > What about this info in tomee web page >> > > >> >> > > >> > > >> >> > > "Internally, from TomEE 1.5.0, JDBC pools are managed via >> > > >> Tomcat-pool. >> > > >> >> > You >> > > >> >> > > can still switch back to Apache Commons DBCP by adding the >> > > following >> > > >> >> > > property: DataSourceCreator dbcp. To get the full list of >> > > available >> > > >> >> > > configuration properties, have a look to Apache Commons DBCP >> > > >> >> > configuration< >> http://commons.apache.org/dbcp/configuration.html> >> > > >> >> > > ." >> > > >> >> > > >> > > >> >> > > What is the difference between tomcat pool and dbcp, they >> share >> > > the >> > > >> >> same >> > > >> >> > > properties? >> > > >> >> > > >> > > >> >> > > >> > > >> >> > > 2014-02-13 9:23 GMT-06:00 Romain Manni-Bucau < >> > > rmannibu...@gmail.com >> > > >> >: >> > > >> >> > > >> > > >> >> > > Hi, >> > > >> >> > >> >> > > >> >> > >> some read >> > > >> >> > >> >> > > http://commons.apache.org/proper/commons-dbcp/configuration.html;) >> > > >> >> > >> Romain Manni-Bucau >> > > >> >> > >> Twitter: @rmannibucau >> > > >> >> > >> Blog: http://rmannibucau.wordpress.com/ >> > > >> >> > >> LinkedIn: http://fr.linkedin.com/in/rmannibucau >> > > >> >> > >> Github: https://github.com/rmannibucau >> > > >> >> > >> >> > > >> >> > >> >> > > >> >> > >> >> > > >> >> > >> 2014-02-13 16:21 GMT+01:00 José Luis Cetina < >> > > maxtorz...@gmail.com >> > > >> >: >> > > >> >> > >> > Hi, im having about 180 users at the same time connected >> to >> > my >> > > >> >> webapp, >> > > >> >> > >> > yesterday i got an mysql exception saying "Ton many >> > > connections" >> > > >> >> then >> > > >> >> > i >> > > >> >> > >> > read in blogs and update the property max_connections in >> > > my.cnf >> > > >> to >> > > >> >> 500 >> > > >> >> > >> > connections (i have a stand alone server for database only >> > > that >> > > >> has >> > > >> >> > >> 16gb of >> > > >> >> > >> > ram just for the OS and the DB) then in that post >> recommend >> > to >> > > >> >> adjust >> > > >> >> > >> that >> > > >> >> > >> > value (max_connections) accord to my pool connection. I >> use >> > a >> > > >> >> > datasource >> > > >> >> > >> > resource configured in tomee.xml and i have this >> > > >> >> > >> > >> > > >> >> > >> > <Resource id="any" type="DataSource"> >> > > >> >> > >> > JdbcDriver com.mysql.jdbc.Driver >> > > >> >> > >> > JdbcUrl ... >> > > >> >> > >> > UserName xxx >> > > >> >> > >> > Password xxx >> > > >> >> > >> > jtaManaged true >> > > >> >> > >> > initialSize=30 >> > > >> >> > >> > MaxActive=500 (my old value was 250) >> > > >> >> > >> > MaxIdle=50 >> > > >> >> > >> > MaxWait=90000 >> > > >> >> > >> > MaxWaitTime=90000 >> > > >> >> > >> > validationQuery=SELECT 1 >> > > >> >> > >> > testOnBorrow=true >> > > >> >> > >> > </Resource> >> > > >> >> > >> > >> > > >> >> > >> > Then i have this questions: >> > > >> >> > >> > >> > > >> >> > >> > 1.What advice can you give me for handle around 180 users >> > that >> > > >> use >> > > >> >> my >> > > >> >> > >> app >> > > >> >> > >> > an hit the database with each action. >> > > >> >> > >> > I use JSF (@NamedBeans) + EJB (All my EJBS are statless) >> + 1 >> > > >> >> > SessionBean >> > > >> >> > >> > (@Named) for each users. >> > > >> >> > >> > >> > > >> >> > >> > 2. Which is the difference between MaxIdle and MaxActive? >> > > >> >> > >> > >> > > >> >> > >> > 3. Which is the default timeout for close inactive >> > connections >> > > >> and >> > > >> >> > what >> > > >> >> > >> is >> > > >> >> > >> > the name of the property? >> > > >> >> > >> > >> > > >> >> > >> > >> > > >> >> > >> > >> > > >> >> > >> > I will be happy with any kind of advice. >> > > >> >> > >> > >> > > >> >> > >> > I use 2 servers with this configuration and tomee and both >> > of >> > > >> them >> > > >> >> > read >> > > >> >> > >> to >> > > >> >> > >> > other server where the database is (2 webapp server + 1 db >> > > >> server). >> > > >> >> > >> > >> > > >> >> > >> > >> > > >> >> > >> > >> > > >> >> > >> > >> > > >> >> > >> > >> > > >> ------------------------------------------------------------------- >> > > >> >> > >> > *José Luis Cetina* >> > > >> >> > >> > >> > > >> ------------------------------------------------------------------- >> > > >> >> > >> >> > > >> >> > > >> > > >> >> > > >> > > >> >> > > >> > > >> >> > > -- >> > > >> >> > > >> > > ------------------------------------------------------------------- >> > > >> >> > > *José Luis Cetina* >> > > >> >> > > >> > > ------------------------------------------------------------------- >> > > >> >> > > >> > > >> >> > >> > > >> >> > >> > > >> >> > >> > > >> >> > -- >> > > >> >> > >> > ------------------------------------------------------------------- >> > > >> >> > *José Luis Cetina* >> > > >> >> > >> > ------------------------------------------------------------------- >> > > >> >> > >> > > >> >> >> > > >> > >> > > >> > >> > > >> > >> > > >> > -- >> > > >> > >> ------------------------------------------------------------------- >> > > >> > *José Luis Cetina* >> > > >> > >> ------------------------------------------------------------------- >> > > >> >> > > > >> > > > >> > > > >> > > > -- >> > > > ------------------------------------------------------------------- >> > > > *José Luis Cetina* >> > > > ------------------------------------------------------------------- >> > > >> > >> > >> > >> > -- >> > ------------------------------------------------------------------- >> > *José Luis Cetina* >> > ------------------------------------------------------------------- >> > >> > > > > -- > ------------------------------------------------------------------- > *José Luis Cetina* > -------------------------------------------------------------------
