Hi David,
When the dead lock occurred, I have one server with 144 connected clients. All my clients are configured in fail safe mode and all the messages are stored in RAM, the configuration of all my agents is: #server configuration dispatch/callback/retries=0 dispatch/callback/delay=2000 dispatch/callback/pingInterval=2000 dispatch/callback/plugin/socket_ssl/multiThreaded=false #client configuration pingInterval=2000 retries=-1 delay=2000 The problem occurred after having restarted 30 of the agents running on the same box. I hope it may help, Xavier. From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of David Robison Sent: mercredi 26 septembre 2007 14:46 To: xmlblaster@server.xmlBlaster.org Subject: Re: [xmlblaster] dead lock Can you tell me a little more about the conditions that caused the dead lock? We are experiencing a problem that may be related (although it may be just my wacky code). Any additional information would be helpful. David Robison ________________________________ From: Marcel Ruff [mailto:[EMAIL PROTECTED] To: xmlblaster@server.xmlBlaster.org Sent: Wed, 26 Sep 2007 07:03:15 -0400 Subject: Re: [xmlblaster] dead lock Hi Xavier, the dead lock is now fixed, the code is available with svn. thanks for reporting, Marcel Xavier Roques wrote: > Hi, > > I'm using Xmlblaster 1.6. > > I restarted, some connected clients and unfortunately one of my client > never connects back :( > > Even if I restart several times this client, it never successes to > connect. > > That's why I dumped the threads' stack on the server side and I found > the following dead lock (see below) > > Is there a way to avoid it ? > > Thanks, > > Xavier. > > > "XmlBlaster.ssl_socket.SSL.tcpListener-alouettebench17-agent": > INFO | jvm 1 | 2007/09/25 11:31:29 | at > org.xmlBlaster.util.dispatch.DispatchManager.getConnectionStatusListener > s(DispatchManager.java:206) > INFO | jvm 1 | 2007/09/25 11:31:29 | - waiting to lock > <0xdb74d9c0> (a org.xmlBlaster.util.dispatch.DispatchManager) > INFO | jvm 1 | 2007/09/25 11:31:29 | at > org.xmlBlaster.util.dispatch.DispatchManager.toAlive(DispatchManager.jav > a:293) > INFO | jvm 1 | 2007/09/25 11:31:29 | - locked <0xdb7a0930> (a > java.lang.Object) > INFO | jvm 1 | 2007/09/25 11:31:29 | at > org.xmlBlaster.util.dispatch.DispatchConnectionsHandler.updateState(Disp > atchConnectionsHandler.java:332) > INFO | jvm 1 | 2007/09/25 11:31:29 | - locked <0xdb7a0f28> (a > java.util.ArrayList) > INFO | jvm 1 | 2007/09/25 11:31:29 | at > org.xmlBlaster.util.dispatch.DispatchConnectionsHandler.toAlive(Dispatch > ConnectionsHandler.java:302) > INFO | jvm 1 | 2007/09/25 11:31:29 | at > org.xmlBlaster.util.dispatch.DispatchConnection.handleTransition(Dispatc > hConnection.java:575) > INFO | jvm 1 | 2007/09/25 11:31:29 | - locked <0xdb7b2838> (a > org.xmlBlaster.engine.dispatch.CbDispatchConnection) > INFO | jvm 1 | 2007/09/25 11:31:29 | at > org.xmlBlaster.util.dispatch.DispatchConnection.initialize(DispatchConne > ction.java:132) > INFO | jvm 1 | 2007/09/25 11:31:29 | at > org.xmlBlaster.util.dispatch.DispatchConnectionsHandler.initialize(Dispa > tchConnectionsHandler.java:179) > INFO | jvm 1 | 2007/09/25 11:31:29 | - locked <0xdb7a0f28> (a > java.util.ArrayList) > INFO | jvm 1 | 2007/09/25 11:31:29 | at > org.xmlBlaster.util.dispatch.DispatchManager.updateProperty(DispatchMana > ger.java:160) > INFO | jvm 1 | 2007/09/25 11:31:29 | at > org.xmlBlaster.authentication.SessionInfo.updateConnectQos(SessionInfo.j > ava:513) > INFO | jvm 1 | 2007/09/25 11:31:29 | at > org.xmlBlaster.authentication.Authenticate.connect(Authenticate.java:276 > ) > INFO | jvm 1 | 2007/09/25 11:31:29 | at > org.xmlBlaster.authentication.AuthenticateProtector.connect(Authenticate > Protector.java:74) > INFO | jvm 1 | 2007/09/25 11:31:29 | at > org.xmlBlaster.authentication.AuthenticateProtector.connect(Authenticate > Protector.java:62) > INFO | jvm 1 | 2007/09/25 11:31:29 | at > org.xmlBlaster.protocol.socket.HandleClient.handleMessage(HandleClient.j > ava:266) > INFO | jvm 1 | 2007/09/25 11:31:29 | at > org.xmlBlaster.protocol.socket.HandleClient$1.run(HandleClient.java:379) > INFO | jvm 1 | 2007/09/25 11:31:29 | at > edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor$Worker > .runTask(ThreadPoolExecutor.java:665) > INFO | jvm 1 | 2007/09/25 11:31:29 | at > edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor$Worker > .run(ThreadPoolExecutor.java:690) > INFO | jvm 1 | 2007/09/25 11:31:29 | at > java.lang.Thread.run(Thread.java:619) > INFO | jvm 1 | 2007/09/25 11:31:29 | "XmlBlaster.PingTimer": > INFO | jvm 1 | 2007/09/25 11:31:29 | at > org.xmlBlaster.util.dispatch.DispatchConnectionsHandler.shutdown(Dispatc > hConnectionsHandler.java:486) > INFO | jvm 1 | 2007/09/25 11:31:29 | - waiting to lock > <0xdb7a0f28> (a java.util.ArrayList) > INFO | jvm 1 | 2007/09/25 11:31:29 | at > org.xmlBlaster.util.dispatch.DispatchManager.shutdown(DispatchManager.ja > va:954) > INFO | jvm 1 | 2007/09/25 11:31:29 | - locked <0xdb74d9c0> (a > org.xmlBlaster.util.dispatch.DispatchManager) > INFO | jvm 1 | 2007/09/25 11:31:29 | at > org.xmlBlaster.util.dispatch.DispatchManager.givingUpDelivery(DispatchMa > nager.java:364) > INFO | jvm 1 | 2007/09/25 11:31:29 | at > org.xmlBlaster.util.dispatch.DispatchManager.toDead(DispatchManager.java > :356) > INFO | jvm 1 | 2007/09/25 11:31:29 | at > org.xmlBlaster.util.dispatch.DispatchConnectionsHandler.updateState(Disp > atchConnectionsHandler.java:348) > INFO | jvm 1 | 2007/09/25 11:31:29 | at > org.xmlBlaster.util.dispatch.DispatchConnectionsHandler.toDead(DispatchC > onnectionsHandler.java:315) > INFO | jvm 1 | 2007/09/25 11:31:29 | at > org.xmlBlaster.util.dispatch.DispatchConnection.handleTransition(Dispatc > hConnection.java:632) > INFO | jvm 1 | 2007/09/25 11:31:29 | at > org.xmlBlaster.util.dispatch.DispatchConnection.ping(DispatchConnection. > java:359) > INFO | jvm 1 | 2007/09/25 11:31:29 | at > org.xmlBlaster.util.dispatch.DispatchConnection.timeout(DispatchConnecti > on.java:423) > INFO | jvm 1 | 2007/09/25 11:31:29 | at > org.xmlBlaster.util.Timeout.run(Timeout.java:189) > > > > -- Marcel Ruff http://www.xmlBlaster.org
