Re: ActiveMQ failover Java-level deadlock

2015-12-18 Thread Tim Bain
I see you submitted https://issues.apache.org/jira/browse/AMQ-6095 to capture this bug. Thanks. I've never done anything with LevelDB, so what I know comes just from reading the documentation and the questions people like you post to this list. So I don't have any suggestions to offer, other tha

Re: ActiveMQ cluster fails with "server null" when the Zookeeper master node goes offline

2015-12-18 Thread Tim Bain
Scratch that, I posted this to the wrong LevelDB-related thread authored by someone named Stephen today. But Stephen, I'd suggest you submit a JIRA bug if you don't get any response here on the mailing list; there are few to no LevelDB experts who monitor the list, unfortunately, so help with Leve

Re: ActiveMQ failover Java-level deadlock

2015-12-18 Thread stephenschaeffer
Hi Tim, First off, thanks for replying and the tip on JIRA. Does this configuration strike you as unusual in any way? Do you have any suggestions on how we can reconfigure things to be either more robust or more in line with best practices, if any exist? From our position of relative ignorance th

System.TypeLoadException was unhandled

2015-12-18 Thread pvaccani
Hi, "System.TypeLoadException was unhandled HResult=-2146233054 Message=Method 'PurgeTempDestinations' in type 'Apache.NMS.Stomp.Connection' from assembly 'Apache.NMS.Stomp, Version=1.5.4.3215, Culture=neutral, PublicKeyToken=82756feee3957618' does not have an implementation." Exception when I ca

Re: Need help with a message broker configuration

2015-12-18 Thread Tim Bain
For troubleshooting purposes, I'd recommend you use the web console or a JMX viewer to find out which queues have unconsumed messages and no consumers, and browse the messages on each such queue via the web console. Browsing should (I think) run the messages through the expiration logic, so once yo

Re: Need help with a message broker configuration

2015-12-18 Thread Tim Bain
Messages published to a topic are deleted from the message store when they are consumed by the last subscriber. When there are no subscribers, they are immediately deleted. So there's nothing for you to worry about there. Tim On Fri, Dec 18, 2015 at 11:23 AM, Shine wrote: > Hi Tim. > > no que

Re: Need help with a message broker configuration

2015-12-18 Thread Shine
Hi Tim. no queue with that name In the topic Tab is that entry .. SHINE is a queue name ActiveMQ.Advisory.Expired.Queue.SHINER Number Of Consumers: 0 Messages Enqueued: 2<= expired Messages ... automatically remove from queue Messages Dequeued: 0 .. but i cant remove via WebConsole .. mayb

Re: ActiveMQ cluster fails with "server null" when the Zookeeper master node goes offline

2015-12-18 Thread Tim Bain
Stephen submitted https://issues.apache.org/jira/browse/AMQ-6095 to capture this bug. On Fri, Dec 18, 2015 at 8:13 AM, glstephen wrote: > I have encountered an issue with ActiveMQ where the entire cluster will > fail > when the master Zookeeper node goes offline. > > We have a 3-node ActiveMQ cl

Re: Need help with a message broker configuration

2015-12-18 Thread Tim Bain
It would be in the Queues tab, with a name of DeadLetterQueue. On Fri, Dec 18, 2015 at 10:40 AM, Shine wrote: > Hi, > > i use queues only. Each client has its own queue. It works like a chat, you > send a message to queue .. if the client is online, it receives the message > ... if the client is

Re: Message Group rebalancing

2015-12-18 Thread Tim Bain
https://issues.apache.org/jira/browse/AMQ-2106 already covers this request, and in the comments there, Gary's opinion was that the only safe way to do this was to have the producer close the group, as Pankaj suggests. Unfortunately, the current implementation appears to begin dispatching messages f

Re: NMSXGroupID problem - two different consumers received message for one group

2015-12-18 Thread Tim Bain
I don't have any insider knowledge about whether a message group is closed when the broker receives the message or when it becomes a candidate for being dispatched, though other people on this list may and may be able to speak more authoritatively to how it's done. With that said, the behavior you

Re: Need help with a message broker configuration

2015-12-18 Thread Shine
Hi, i use queues only. Each client has its own queue. It works like a chat, you send a message to queue .. if the client is online, it receives the message ... if the client is offline .. maybe 5 days, than the message(s) still in the queue (max. 2-3 weeks) until the client goes online. I cant fi

Re: Need help with a message broker configuration

2015-12-18 Thread Tim Bain
How is it that those messages are not being consumed? Do you have no consumers on the queue (or an offline durable topic subscriber)? Do you have consumers, but with selectors that don't hit those messages? Something else? I haven't looked in detail at the message expiration code, but I believe

ActiveMQ cluster fails with "server null" when the Zookeeper master node goes offline

2015-12-18 Thread glstephen
I have encountered an issue with ActiveMQ where the entire cluster will fail when the master Zookeeper node goes offline. We have a 3-node ActiveMQ cluster setup in our development environment. Each node has ActiveMQ 5.12.0 and Zookeeper 3.4.6 (*note, we have done some testing with Zookeeper 3.4.7