Yes, I will put this workaround. Thank you.
James.Strachan wrote: > > Looks like a concurrency bug we should work around. In the mean time - > how about adding a synchronized block around looking up a queue in > JNDI? You should only need to look it up once on start up and not need > to look it up in each thread many times concurrently? > > 2009/1/30 Eric-AWL <eric.vinc...@atosorigin.com>: >> >> Hi >> >> On 5.2.0 release. >> >> I create 10 threads, each using the same dynamicQueues/CATE-CHARGE-charge >> queue >> >> I fail with >> >> javax.naming.NamingException: Something already bound at >> CATE-CHARGE-Charge >> at >> org.apache.activemq.jndi.ReadOnlyContext.internalBind(ReadOnlyContext.java:150) >> at >> org.apache.activemq.jndi.LazyCreateContext.lookup(LazyCreateContext.java:36) >> at >> org.apache.activemq.jndi.ReadOnlyContext.lookup(ReadOnlyContext.java:258) >> at >> org.apache.activemq.jndi.ReadOnlyContext.lookup(ReadOnlyContext.java:228) >> at javax.naming.InitialContext.lookup(InitialContext.java:351) >> at >> atosbus.transport.jms.CJMSSenderChannel.<init>(CJMSSenderChannel.java:97) >> at >> atosbus.transport.jms.CJMSTransport.createSenderChannel(CJMSTransport.java:216) >> at >> atosbus.core.service.CSynchronousContext.sendRequestCMessage(CSynchronousContext.java:559) >> at >> atosbus.mep.CMepUnsafeInOnly.cltSendCommand(CMepUnsafeInOnly.java:191) >> at >> atosbus.core.service.CSynchronousContext.sendCommand(CSynchronousContext.java:806) >> at >> atosbus.core.service.CSynchronousContext.sendCommand(CSynchronousContext.java:731) >> at chargebus.client.ClientThread.run(ClientThread.java:32) >> at java.lang.Thread.run(Thread.java:595) >> >> I think I am in the case where (in LazyCreateContext.lookup) >> super.lookup(name) sent the NameNotFoundException, but, when internalBind >> was called, the queue was just binded by an other thread. >> >> >> -- >> View this message in context: >> http://www.nabble.com/NamingContext-error-in-5.2.0-tp21749936p21749936.html >> Sent from the ActiveMQ - User mailing list archive at Nabble.com. >> >> > > > > -- > James > ------- > http://macstrac.blogspot.com/ > > Open Source Integration > http://fusesource.com/ > > -- View this message in context: http://www.nabble.com/NamingContext-error-in-5.2.0-tp21749936p21750172.html Sent from the ActiveMQ - User mailing list archive at Nabble.com.
