Hi everyone, this one has had our collective heads banging against a wall for longer than any of us would like to admit. Bit of back story, our site has been having long 'pauses' and sometimes total downtime now for months and months, sometimes it will be fine for weeks and sometimes it'll go down every couple of hours. We've looked at every possible aspect of the code, made numerous improvements, in the process speeding up our site no end (when its up!) but still it goes down.
Much investigation over much time has lead to the conclusion its something thread based, most recently we find that as its going down we have a number of these in the thread dump: "jndi-7" prio=5 tid=1477 BLOCKED at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:388) at java.net.ServerSocket.implAccept(ServerSocket.java:453) at java.net.ServerSocket.accept(ServerSocket.java:421) at jrun.servlet.network.NetworkService.accept(NetworkService.java:356) at jrun.naming.NamingNetworkService.accept(NamingNetworkService.java:115) at jrun.naming.NamingNetworkService.createRunnable(NamingNetworkService.java:141) at jrunx.scheduler.ThreadPool$ThreadThrottle.createRunnable(ThreadPool.java:349) at jrunx.scheduler.WorkerThread.run(WorkerThread.java:62) Always a 'jndi-X' thread and always blocked, the more there are the slower/nearer to death the box seems to be. So the question I have yet to get a decent answer to is, what are these threads? What's creating them? Why are they waiting (as it looks) for some kind of incoming connection? and most importantly what the heck can we do about them?! Any and all suggestions greatly welcomed! Thanks! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Order the Adobe Coldfusion Anthology now! http://www.amazon.com/Adobe-Coldfusion-Anthology/dp/1430272155/?tag=houseoffusion Archive: http://www.houseoffusion.com/groups/cf-talk/message.cfm/messageid:338996 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/groups/cf-talk/unsubscribe.cfm
