Blocked reception / dispatch Hi gurus!
We are using JBoss in big distributed system. Versions: OSs RHEL 4.1 (central server), Solaris 9 (regions) jboss 4.2.1 GA jboss messaging 1.4.0 SP3 (Oracle10G persistence) jboss remoting 2.2.2 SP7 Many servers (clients) are connected to a central server (central server) on which the jms provider. Library versions (messaging and remoting) are identical on both the client and server. Every client sends and receives messages synchronously by timeout in EJB Timers using transacted connection factory. Connection factory and queue searched using jms resource adapter and External JNDI Every client caches two QueueConnection (one to send and one to receive) First, we had about 10 simultaneous clients, and everything worked fine. Then the number of clients has increased dramatically to about 100 and on the most of clients timers is blocked. :-( I tried to increase the value JBM_clientMaxPoolSize to 2000 but this did not help. Perhaps exhausted threadpool or connection pool on the central server? Here are the client logs (logger level for messaging and remoting is set to TRACE): | 2008-10-09 14:32:26,136 INFO [ru.tower.ejb.jms.timeinfo.SenderInfo] Time is out .... sending | 2008-10-09 14:32:26,306 INFO [ru.tower.ejb.jms.cons.RemoteMsgConsumer] Preparing consumer ... Queue name: queue/Region38 | 2008-10-09 14:32:26,306 DEBUG [ru.tower.ejb.jms.cons.RemoteMsgConsumer] About to look up the connection factory | 2008-10-09 14:32:26,781 DEBUG [ru.tower.ejb.jms.cons.RemoteMsgConsumer] About to create connection | 2008-10-09 14:32:26,810 DEBUG [ru.tower.ejb.jms.cons.RemoteMsgConsumer] About to look up the queue queue/Region38 | 2008-10-09 14:32:27,588 DEBUG [ru.tower.ejb.jms.cons.RemoteMsgConsumer] About to create queue session | 2008-10-09 14:32:33,823 DEBUG [org.jboss.jms.ConnectionFactoryHelper] using connection factory: JBossConnectionFactory->ConnectionFactoryDelegate[jboss.messaging.connectionfactory:service=SlowConnectionFactory, SID=0] | 2008-10-09 14:32:33,823 DEBUG [org.jboss.jms.ConnectionFactoryHelper] using username/password: system/-- not shown -- | 2008-10-09 14:32:34,324 DEBUG [org.jboss.remoting.transport.socket.MicroSocketClientInvoker] SocketClientInvoker[902a8b, bisocket://1.99.14.56:4457] setting client socket wrapper class name to org.jboss.jms.client.remoting.ClientSocketWrapper | 2008-10-09 14:32:34,325 DEBUG [org.jboss.remoting.transport.socket.MicroSocketClientInvoker] SocketClientInvoker[902a8b, bisocket://1.99.14.56:4457] setting shouldCheckConnection to false | 2008-10-09 14:32:34,325 DEBUG [org.jboss.remoting.transport.socket.SocketClientInvoker] SocketClientInvoker[902a8b, bisocket://1.99.14.56:4457] setting timeout to 0 | 2008-10-09 14:32:34,326 DEBUG [org.jboss.remoting.transport.socket.MicroSocketClientInvoker] SocketClientInvoker[902a8b, bisocket://1.99.14.56:4457] constructed | 2008-10-09 14:32:34,326 DEBUG [org.jboss.remoting.transport.socket.MicroSocketClientInvoker] SocketClientInvoker[902a8b, bisocket://1.99.14.56:4457] setting client socket wrapper class name to org.jboss.jms.client.remoting.ClientSocketWrapper | 2008-10-09 14:32:34,326 DEBUG [org.jboss.remoting.transport.socket.MicroSocketClientInvoker] SocketClientInvoker[902a8b, bisocket://1.99.14.56:4457] setting shouldCheckConnection to false | 2008-10-09 14:32:34,326 DEBUG [org.jboss.remoting.transport.socket.SocketClientInvoker] SocketClientInvoker[902a8b, bisocket://1.99.14.56:4457] setting timeout to 0 | 2008-10-09 14:32:34,328 DEBUG [org.jboss.remoting.transport.bisocket.BisocketClientInvoker] Setting ping frequency to: 214748364 | 2008-10-09 14:32:34,329 DEBUG [org.jboss.remoting.MicroRemoteClientInvoker] SocketClientInvoker[902a8b, bisocket://1.99.14.56:4457] connecting | 2008-10-09 14:32:34,329 DEBUG [org.jboss.remoting.transport.socket.MicroSocketClientInvoker] Creating semaphore with size 50 | 2008-10-09 14:32:34,330 TRACE [org.jboss.remoting.transport.socket.MicroSocketClientInvoker] SocketClientInvoker[902a8b, bisocket://1.99.14.56:4457] added new pool ([]) as ServerAddress[1.99.14.56:4457, NO enableTcpNoDelay timeout 0 ms, maxPoolSize=50] | 2008-10-09 14:32:34,330 DEBUG [org.jboss.remoting.MicroRemoteClientInvoker] SocketClientInvoker[902a8b, bisocket://1.99.14.56:4457] connected | 2008-10-09 14:32:34,540 TRACE [org.jboss.jms.client.delegate.DelegateSupport] ConnectionFactoryDelegate[jboss.messaging.connectionfactory:service=SlowConnectionFactory, SID=0] invoking ConnectionFactoryGetClientAOPStackRequest[eab576] synchronously on server using Client[19896082] | 2008-10-09 14:32:34,541 TRACE [org.jboss.remoting.MicroRemoteClientInvoker] SocketClientInvoker[902a8b, bisocket://1.99.14.56:4457](1) invoking InvocationRequest[167519d, JMS, ConnectionFactoryGetClientAOPStackRequest[eab576]] | 2008-10-09 14:32:34,541 TRACE [org.jboss.remoting.transport.socket.MicroSocketClientInvoker] SocketClientInvoker[902a8b, bisocket://1.99.14.56:4457] obtained semaphore: 49 | 2008-10-09 14:32:34,541 TRACE [org.jboss.remoting.transport.socket.MicroSocketClientInvoker] SocketClientInvoker[902a8b, bisocket://1.99.14.56:4457] creating socket | 2008-10-09 14:32:34,582 TRACE [org.jboss.remoting.transport.socket.MicroSocketClientInvoker] SocketClientInvoker[902a8b, bisocket://1.99.14.56:4457] created socket: Socket[addr=/1.99.14.56,port=4457,localport=38699] | 2008-10-09 14:32:34,587 TRACE [org.jboss.remoting.transport.socket.SocketWrapper] constructing org.jboss.jms.client.remoting.ClientSocketWrapper instance for Socket[addr=/1.99.14.56,port=4457,localport=38699], using timeout 0 | 2008-10-09 14:32:34,588 TRACE [org.jboss.remoting.transport.socket.SocketWrapper] ClientSocketWrapper[Socket[addr=/1.99.14.56,port=4457,localport=38699].1f6fa3f] setting timeout to 0 | 2008-10-09 14:32:34,588 TRACE [org.jboss.remoting.transport.socket.MicroSocketClientInvoker] SocketClientInvoker[902a8b, bisocket://1.99.14.56:4457] writing version 22 on output stream | 2008-10-09 14:32:34,588 TRACE [org.jboss.remoting.transport.socket.MicroSocketClientInvoker] SocketClientInvoker[902a8b, bisocket://1.99.14.56:4457] writing invocation to marshaller | 2008-10-09 14:32:34,588 TRACE [org.jboss.jms.wireformat.JMSWireFormat] Writing InvocationRequest[167519d, JMS, ConnectionFactoryGetClientAOPStackRequest[eab576]] | 2008-10-09 14:32:34,588 TRACE [org.jboss.jms.wireformat.JMSWireFormat] Stream is a DataOutputStream | 2008-10-09 14:32:34,588 TRACE [org.jboss.jms.wireformat.JMSWireFormat] JBM Request | 2008-10-09 14:32:34,589 TRACE [org.jboss.jms.wireformat.JMSWireFormat] Writing packet: ConnectionFactoryGetClientAOPStackRequest[eab576] | 2008-10-09 14:32:34,589 TRACE [org.jboss.jms.wireformat.JMSWireFormat] Wrote packet | 2008-10-09 14:32:34,589 TRACE [org.jboss.remoting.transport.socket.MicroSocketClientInvoker] SocketClientInvoker[902a8b, bisocket://1.99.14.56:4457] done writing invocation to marshaller | 2008-10-09 14:32:34,589 TRACE [org.jboss.remoting.transport.socket.MicroSocketClientInvoker] SocketClientInvoker[902a8b, bisocket://1.99.14.56:4457] reading version from input stream | 2008-10-09 14:32:51,696 TRACE [org.jboss.jms.server.recovery.MessagingXAResourceRecovery] [EMAIL PROTECTED] hasMoreResources | 2008-10-09 14:32:51,723 TRACE [org.jboss.jms.server.recovery.MessagingXAResourceRecovery] [EMAIL PROTECTED] getXAResource | 2008-10-09 14:32:51,723 DEBUG [org.jboss.jms.server.recovery.MessagingXAResourceWrapper] Recover java:/RemoteJMSProvider | 2008-10-09 14:33:45,968 INFO [ru.tower.ejb.jms.timeinfo.SenderInfo] 23 message(s) for sending | 2008-10-09 14:33:45,970 INFO [ru.tower.ejb.jms.Sender] Initializing sender | 2008-10-09 14:33:45,974 DEBUG [ru.tower.ejb.jms.Sender] About to look up the connection factory | 2008-10-09 14:33:45,974 DEBUG [ru.tower.ejb.jms.Sender] About to create queue connection | 2008-10-09 14:33:45,974 DEBUG [ru.tower.ejb.jms.Sender] About to create queue session | 2008-10-09 14:33:46,032 DEBUG [org.jboss.jms.ConnectionFactoryHelper] using connection factory: JBossConnectionFactory->ConnectionFactoryDelegate[jboss.messaging.connectionfactory:service=SlowConnectionFactory, SID=0] | 2008-10-09 14:33:46,033 DEBUG [org.jboss.jms.ConnectionFactoryHelper] using username/password: system/-- not shown -- | | | any ideas? 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