Mayby the same reason as for the bug https://issues.apache.org/activemq/browse/AMQ-1702 ??
(Not releasing statements in the DB-Lock. It's fixed in 5.2-SNAP) martin -----Ursprüngliche Nachricht----- Von: Filip Hanik - Dev Lists [mailto:[EMAIL PROTECTED] Gesendet: Donnerstag, 15. Mai 2008 20:37 An: users@activemq.apache.org Betreff: Re: ORA-00020: maximum number of processes (150) exceeded this might not be related to the pool, but the fact that statements and resultsets are not closed. the error comes directly from Oracle, Filip Hiram Chirino wrote: > could you try using the C3P0 [1] connection pooling instead of the > default commons logging pooling. Some folks have reported better luck > using it. > > Just add the c3p0 jar to the lib dir and add spring bean similar to > the following (this a mysql example) > > <bean id="mysql-ds" > class="com.mchange.v2.c3p0.ComboPooledDataSource" > destroy-method="close"> > <property name="driverClass" value="com.mysql.jdbc.Driver"/> > <property name="jdbcUrl" value="jdbc:mysql://localhost/activemq"/> > <property name="user" value="user"/> > <property name="password" value="password"/> > <property name="minPoolSize" value="6"/> > <property name="maxPoolSize" value="18"/> > <property name="acquireIncrement" value="3"/> > <property name="idleConnectionTestPeriod" value="60"/> > </bean> > > [1] http://sourceforge.net/projects/c3p0 > > > On Sun, May 11, 2008 at 10:57 PM, cauchy <[EMAIL PROTECTED]> wrote: > >> Hi everybody! >> I used Oracle 9 as persistence storage with out journal.After ran the >> ProducerAndConsumerTool.java in exmple pakage of ActiveMQ 5.0 for a while >> ,the Exception occured: >> Caught: javax.jms.JMSException: ORA-00020: maximum number of processes (150) >> exceeded >> >> javax.jms.JMSException: ORA-00020: maximum number of processes (150) >> exceeded >> >> at >> org.apache.activemq.util.JMSExceptionSupport.create(JMSExceptionSupport.java:49) >> at >> org.apache.activemq.ActiveMQConnection.syncSendPacket(ActiveMQConnection.java:1178) >> at org.apache.activemq.ActiveMQSession.send(ActiveMQSession.java:1640) >> at >> org.apache.activemq.ActiveMQMessageProducer.send(ActiveMQMessageProducer.java:226) >> at >> org.apache.activemq.ActiveMQMessageProducerSupport.send(ActiveMQMessageProducerSupport.java:240) >> at test3.ProducerTool.sendLoop(ProducerTool.java:143) >> at test3.ProducerTool.run(ProducerTool.java:108) >> at test3.ProducerAndConsumerTool.main(ProducerAndConsumerTool.java:52) >> Caused by: java.io.IOException: ORA-00020: maximum number of processes (150) >> exceeded >> >> at >> org.apache.activemq.util.IOExceptionSupport.create(IOExceptionSupport.java:45) >> at >> org.apache.activemq.store.jdbc.TransactionContext.getConnection(TransactionContext.java:61) >> at >> org.apache.activemq.store.jdbc.adapter.DefaultJDBCAdapter.doAddMessage(DefaultJDBCAdapter.java:172) >> at >> org.apache.activemq.store.jdbc.JDBCMessageStore.addMessage(JDBCMessageStore.java:69) >> at >> org.apache.activemq.store.memory.MemoryTransactionStore.addMessage(MemoryTransactionStore.java:229) >> at >> org.apache.activemq.store.memory.MemoryTransactionStore$2.addMessage(MemoryTransactionStore.java:129) >> at >> org.apache.activemq.broker.region.Topic.doMessageSend(Topic.java:400) >> at org.apache.activemq.broker.region.Topic.send(Topic.java:371) >> at >> org.apache.activemq.broker.region.AbstractRegion.send(AbstractRegion.java:328) >> at >> org.apache.activemq.broker.region.RegionBroker.send(RegionBroker.java:402) >> at >> org.apache.activemq.broker.TransactionBroker.send(TransactionBroker.java:224) >> at org.apache.activemq.broker.BrokerFilter.send(BrokerFilter.java:125) >> at >> org.apache.activemq.broker.CompositeDestinationBroker.send(CompositeDestinationBroker.java:95) >> at >> org.apache.activemq.broker.MutableBrokerFilter.send(MutableBrokerFilter.java:135) >> at >> org.apache.activemq.broker.TransportConnection.processMessage(TransportConnection.java:434) >> at >> org.apache.activemq.command.ActiveMQMessage.visit(ActiveMQMessage.java:623) >> at >> org.apache.activemq.broker.TransportConnection.service(TransportConnection.java:281) >> at >> org.apache.activemq.broker.TransportConnection$1.onCommand(TransportConnection.java:178) >> at >> org.apache.activemq.transport.TransportFilter.onCommand(TransportFilter.java:67) >> at >> org.apache.activemq.transport.WireFormatNegotiator.onCommand(WireFormatNegotiator.java:134) >> at >> org.apache.activemq.transport.InactivityMonitor.onCommand(InactivityMonitor.java:138) >> at >> org.apache.activemq.transport.TransportSupport.doConsume(TransportSupport.java:83) >> at >> org.apache.activemq.transport.tcp.TcpTransport.doRun(TcpTransport.java:185) >> at >> org.apache.activemq.transport.tcp.TcpTransport.run(TcpTransport.java:172) >> at java.lang.Thread.run(Thread.java:619) >> Caused by: java.sql.SQLException: ORA-00020: maximum number of processes >> (150) exceeded >> >> at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:134) >> at oracle.jdbc.ttc7.TTIoer.processError(TTIoer.java:289) >> at oracle.jdbc.ttc7.O3log.receive1st(O3log.java:408) >> at oracle.jdbc.ttc7.TTC7Protocol.logon(TTC7Protocol.java:260) >> at >> oracle.jdbc.driver.OracleConnection.<init>(OracleConnection.java:365) >> at >> oracle.jdbc.driver.OracleDriver.getConnectionInstance(OracleDriver.java:547) >> at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:347) >> at >> org.apache.commons.dbcp.DriverConnectionFactory.createConnection(DriverConnectionFactory.java:37) >> at >> org.apache.commons.dbcp.PoolableConnectionFactory.makeObject(PoolableConnectionFactory.java:290) >> at >> org.apache.commons.pool.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:771) >> at >> org.apache.commons.dbcp.PoolingDataSource.getConnection(PoolingDataSource.java:95) >> at >> org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:544) >> at >> org.apache.activemq.store.jdbc.TransactionContext.getConnection(TransactionContext.java:54) >> ... 23 more >> >> So what's this prolem and how to fix it? >> >> -- >> View this message in context: >> http://www.nabble.com/ORA-00020%3A-maximum-number-of-processes-%28150%29-exceeded-tp17180724s2354p17180724.html >> Sent from the ActiveMQ - User mailing list archive at Nabble.com. >> >> >> > > > >
