Producer Flow Control unexpected behaviour

2010-11-08 Thread Manuel Teira Paz
Hello all. Closely related with the recent thread 'Producer Flow Control - what is AUTHORITATIVE?', I was making some tests trying to understand how message cursors work, when I found an odd behaviour, pretty easy (I guess) to reproduce. Nevertheless, since I'm not very confident with my understa

Thread and memory usage on 5.4.1

2010-11-02 Thread Manuel Teira Paz
Hello all. I'm working into the migration from activemq 4.1 to activemq 5.4.1. One of the things we have noticed is a sensible growth in both memory and number of thread usage of our application. I would like to know if this is the expected behaviour, and also gain some insights in what threads a

Question about embedded jdbc master-slave broker

2010-10-20 Thread Manuel Teira Paz
Hello all. I'm working on a clustered applicance, where every node runs an application instance. Each of them embeds an activemq broker, all configured in jdbc master-slave mode. The application also includes (in the same VM than the broker) some components producing and consuming messages on the

Re: About releases and bugs

2007-06-28 Thread Manuel Teira
an afterthought. Like seriously an afterthought, as in after the release is cut. I'm amazed that ActiveMQ made it out of Apache incubation. - "Manuel Teira" <[EMAIL PROTECTED]> wrote: Hello. I will try to outline briefly our situation as activemq users: We ar

About releases and bugs

2007-06-27 Thread Manuel Teira
Hello. I will try to outline briefly our situation as activemq users: We are embedding a 4.0.2 broker in our system. It is suffering some problems: - Memory leaks. - Locks trying to create or delete temporary queues (AMQ-1278). Still trying to reproduce it to verify this bug as fixed for us.

Re: JMX Console and deleted messages

2007-06-25 Thread Manuel Teira
James Strachan escribió: On 6/25/07, Manuel Teira <[EMAIL PROTECTED]> wrote: Hello. I've found that the JMX exposed operation browseAsTable() for a Queue MBean, is giving me access to already delivered and deleted messages of the queue. I wonder if this is a bug, since those message

JMX Console and deleted messages

2007-06-25 Thread Manuel Teira
Hello. I've found that the JMX exposed operation browseAsTable() for a Queue MBean, is giving me access to already delivered and deleted messages of the queue. I wonder if this is a bug, since those messages should be stored somewere, producing undesired memory consumption. I'm using amq 4.2

Client hungs trying to create/delete a temporary queue

2007-06-14 Thread Manuel Teira
Hello. I'm suffering a non deterministic problem when activemq tries to create/delete temporary queues from a servlet service method. Basically, the servlet service method executes a method that: 1.-Creates a session on a shared connection. 2.-Creates a temporary queue on the session, a consu

Failure in wire format negotiation

2007-06-11 Thread Manuel Teira
Hello. Trying to connect from a 4.1.1 client (running as a servlet in a Tomcat container) to a 4.0.2 broker, I'm getting the following stack trace in the server: Exception in thread "ActiveMQ Transport: tcp:///127.0.0.1:50548" java.lang.IllegalArgumentException: Invalid version: 2, could not

Re: Locked trying to write to journal

2007-06-06 Thread Manuel Teira
rsion without knowing what is exactly happening is not a choice. Is there any corrected bug for 4.1.1 that could be related with this problem? Thanks a lot. On 6/4/07, Manuel Teira <[EMAIL PROTECTED]> wrote: Hello. I've just detected a lock problem using activemq-core 4.0.2

AMQ 4.1.1 and TransportConnector brokerName

2007-06-06 Thread Manuel Teira
Hello. My aim is to be able to have different clusters (JDBC master-slave) running in the same local network. I also want to be able to discover the running nodes from the clients, and so I was using a discoverUri (multicast://default) in the TransportConnector and the proper configuration fo

Locked trying to write to journal

2007-06-04 Thread Manuel Teira
Hello. I've just detected a lock problem using activemq-core 4.0.2 that seems to be related with journal writing logic. I was able to get a stack of the running process, where we can see that a lot of threads (56 to be precise) are waiting to lock the journal, in this way: "ActiveMQ Transport:

Re: Best approach for HA message broker + grid

2007-04-03 Thread Manuel Teira
Thanks for your fast answer, James. Some doubts between the lines: James Strachan escribió: On 4/3/07, Manuel Teira <[EMAIL PROTECTED]> wrote: Hello. My aim is to have a set of brokers, running in different machines, to consume messages coming from different clients, to be able to sca

Best approach for HA message broker + grid

2007-04-03 Thread Manuel Teira
Hello. My aim is to have a set of brokers, running in different machines, to consume messages coming from different clients, to be able to scale the system for future needs. Furthermore, HA features are also required, to protect the system on hardware malfunction. Looking at the alternatives

Re: active MQ (Inactivity exceptions)

2007-02-19 Thread Manuel Teira
Hello. I'm also suffering these kind of inactivity exceptions in my production environment (an standalone java process with an embedded activemq 4.0.2 broker). Curiously, I always catch this problem during a log write (I suppose that it's just a matter of probability, as the write operation is