users@activemq.apache.org discussions for March 2016

14	Failed network connector can not be re-established

*Configuration for network connector: * <networkConnector name="external01_01" conduitSubscriptions="false" uri="static://(tcp://10.102.44.181:61616)" userName="MQ-PRD-ADMIN" password="$ ...

Alt_alt
Mar 9, 2016 at 4:24 am
Mar 14, 2016 at 4:38 pm

13	Message not redirected to DLQ when exception thrown by MDB

Hi, I deployed a MDB on WildFly 10.0.0. An external ActiveMQ server is configured in WildFly with the ActiveMQ resource adapter. When the method /onMessage()/ of the MDB method throws a runtime ...

THMayr
Mar 11, 2016 at 2:27 pm
Mar 17, 2016 at 1:47 pm

10	NFS v4 locks "given up" w/o any logging?

Is it common that an activemq broker might give up its NFS v4 lock w/o logging any sort of message? I've got two brokers that logged this: broker-a which held the log: 2016-03-17 15:01:51,113 ...

James A. Robinson
Mar 18, 2016 at 1:04 pm
Mar 29, 2016 at 8:19 pm

10	Message content returns null occasionally from Virtual Topic to the consumer

AMQ Version 5.12.2JDK 1.7I have 1 VirtualTopic with 40 consumer, the problem is that when consumer is consuming the message using *message = consumer.receive(500);*. message object is not null but ...

Rohit Sonawat
Mar 10, 2016 at 12:46 pm
Mar 17, 2016 at 12:42 pm

9	Configuring Virtual Destinations via Jolokia REST Api in ActiveMQ 5.13.2

Hello, I was wondering if there is a way to configure a Virtual Destination programmatically using the Jolokia REST Api? I explored the JMX module using JConsole but found no possible solution. I am ...

Adel Boutros
Mar 16, 2016 at 5:45 pm
Mar 18, 2016 at 2:11 pm

9	ActiveMQ Queue TTL

Hello I want to set a default Time to live for all messages in a queue , is it possible and how BR Shahbour -- View this message in context ...

Shahbour
Mar 17, 2016 at 7:33 pm
Mar 18, 2016 at 1:47 pm

8	ActiveMQ with KahaDB as persistent store becomes very slow (almost unresponsive) after creating large no (25000+) of Topics

Hi, Is there any limit to the number of Topics that can be created on a single broker? As per my understanding, there is no such limit and it depends on the system in which the broker is running ...

Shobhana
Mar 28, 2016 at 11:40 am
Apr 1, 2016 at 2:50 pm

8	activemq-all jar tight coupling with log4j

In a particular application, logback is being used for the application logging. When the application added dependency on activemq-all 5.13.1 jar in order to access ActiveMQ, it appears that ...

Stak
Mar 29, 2016 at 5:00 pm
Mar 30, 2016 at 11:14 am

8	ActiveMQ hangs and i don't understand why

My problem: ActiveMQ hangs yesterday, i could not open web-interface, consumers could not connect to broker. After restarting ActiveMQ all works well. We use ActiveMQ Version 5.10.1. Uptime before ...

Hayate
Mar 26, 2016 at 7:58 pm
Mar 28, 2016 at 1:27 pm

8	'AllowLinkStealing' does not work for TCP transport with leveldb persistent store

Hi, I am using ActiveMQv5.11.1 with levelDB replication. I want to use 'allowLinkStealing' option for TCP transport. I tried but it doesn;t seems to be removing old connections and adding new one ...

Khandelwalanuj
Mar 18, 2016 at 11:00 am
Mar 23, 2016 at 6:44 pm

8	ActiveMQ duplex network connector dead lock [5.13.1, 5.11.1]

Hi： We ran into this dead lock since upgrade to 5.11.1. In short, this dead lock happens on network connector when "duplex" is set to "true". For details of replicating this defect, see my earlier ...

Yang.yang.zz
Mar 7, 2016 at 1:44 am
Mar 14, 2016 at 11:33 pm

8	ActiveMQ-CPP Exception connecting to broker

[ActiveMQ-CPP v3.9.0] We have a c++ program which connects to a broker, sends a message to a topic and then closes the connections & exits. Every now and then it fails to connect reporting a "Address ...

Spamtrap
Mar 10, 2016 at 3:39 pm
Mar 11, 2016 at 3:52 pm

7	ActiveMQ Object Message to json transformation not working

Hi, I am having trouble sending a custom Object Message to a STOMP consumer with ActiveMQ v5.11.1 In Jconsole, I can see messages being dequeued by STOMP consumer but the subscription callback is ...

Xabhi
Mar 16, 2016 at 6:07 am
Apr 2, 2016 at 2:13 pm

7	Exception in createSesson() inside an EJB user transaction

Hi, I get an exception creating a session in a MDB when the session is created inside a user transaction. The code sequence in the MDB looks like this: connectionFactory = (ConnectionFactory) ...

THMayr
Mar 16, 2016 at 2:29 pm
Mar 23, 2016 at 1:47 pm

6	Activemq HA without shared Database or Shared file system

Hi, Would like to know if ActiveMQ supports HA with message replication without the shared DB or shared file system I see that there is a replicated level DB store which requires a zoo keeper. Is ...

Natarajan, Rajeswari
Mar 31, 2016 at 10:17 pm
Apr 2, 2016 at 4:38 am

6	ActiveMQ / JMS “losing” messages - what am I missing?

What am I missing? This is cross-posted from http://stackoverflow.com/questions/35896002/activemq-jms-losing-messages-what-am-i-missing. AMQ version 5.13.2 Java 1.8.0_74 Windows 10 transportConnector ...

Swift99
Mar 9, 2016 at 8:39 pm
Mar 12, 2016 at 1:43 am

5	Unable to start fileserver webapp

Hello, I am new to ActiveMQ, and I am trying to use BlobMessages with activemq fileserver. I am using the latest version (5.13.1) and I am enabling the fileserver webapp in the jetty xml file by ...

VEYSSIERE Nicolas
Mar 4, 2016 at 12:56 pm
Mar 7, 2016 at 11:55 am

4	Error getting Queue size

Hi We are upgraded ActiveMQ 5.6 to 5.12.2. We are defining a queue (destination type as "Topic") and messages are stored and consumed properly. When we try to browse the queue or try to get the count ...

Ravi1978
Mar 21, 2016 at 4:01 pm
Mar 23, 2016 at 6:03 am

4	ActiveMQ 5.13.1 Web Console, purge message queue, UnsupportedOperationException (possible CSRF attack)

What might be the cause of the following UnsupportedOperationException that ActiveMQ 5.13.1 Web Console reports when I attempt to unsuccessfully purge the contents of a queue, but after browsing that ...

Derek Mahar
Mar 17, 2016 at 3:45 pm
Mar 17, 2016 at 7:55 pm

4	Multiple virtual topics and messages routing to consumers

Hi, I have a doubt regarding virtual topics and how the messages are routed (replicated) to the consumers (queues). I'm using two virtual topics one with the default name (VirtualTopic. ) and another ...

Nuno Oliveira
Mar 14, 2016 at 5:05 pm
Mar 16, 2016 at 4:32 pm

3	Active MQ - OutOfMemory in JbossFuse 6.2 context

Hi everyone, I'm new in using ActiveMQ and according to business requirement I have a Camel Route optimized to read large size file (~40000) to split and store each single row in AMQueue and then a ...

Michele
Mar 25, 2016 at 3:00 pm
Mar 28, 2016 at 1:27 pm

3	Why is brokerPath not a message property?

We're testing network of brokers using brokerPath to validate which brokers the message visited. Based on our observations, "brokerPath" is not a message property or header, and the only way to ...

Raffi
Mar 24, 2016 at 8:08 pm
Mar 28, 2016 at 1:00 am

3	JMS browser.getEnumeration().hasMoreElements() takes 15s+ on last element

Hi, I have a problem with a JMS QueueBrowser after the browsing of the last message In the following piece of code, I browse a Q that has 3 messages. Browsing the 3 messages takes a few milliseconds, ...

Titou10
Mar 26, 2016 at 3:08 pm
Mar 26, 2016 at 6:02 pm

3	How to test prefetch size is actually working

Is there a JMX metric for testing prefetch=1 vs prefetch=100? I want to confirm reduced network activity between consumer and broker when using large prefetchSize. DispatchedCounter and ...

Raffi
Mar 21, 2016 at 4:13 am
Mar 22, 2016 at 12:47 am

3	Artemis REST Interface Installation in Wildfly

I am attempting to install the Artemis REST interface into a Wildfly domain and I am running into an issue. I am building the REST WAR file using the example POM supplied in the Artemis documentation ...

Amorell
Mar 17, 2016 at 3:45 am
Mar 18, 2016 at 3:52 am

3	java deserialization vulnerability details for activemq

I'd like to find out some more details about the specific vulnerability motivations behind the whitelist fix for the java deserialization issue. I'd like to disambiguate between the addition of the ...

Wagonmaster
Mar 10, 2016 at 6:03 pm
Mar 11, 2016 at 5:46 pm

2	Measures to improve the throughput

In an atempt to improve the throughput of my system I did various tests. I started with a simple setup: - 1 Topic, non persistent - 1 Producer - 1 Consumer - Messge size: 4k - Active MQ 5.12.1 My ...

Frizz
Mar 31, 2016 at 6:01 am
Apr 1, 2016 at 2:22 pm

2	Reloading users and groups properties on change

Hi! I talked to Gary Tully on IRC (and mail) and we decided it was best that I mailed the mailinglist since he was pretty sure that someone here had solved this. We are running 5.13.0 and are trying ...

Simon Lundström
Mar 10, 2016 at 4:15 pm
Apr 1, 2016 at 2:16 pm

2	Support for setting default message expiry for MQTT messages

Hi, We use AMQ 5.13.1 and connect to AMQ using Eclipse Paho's MQTT V3 client lib to exchange MQTT messages between message publishers and durable subscribers. Some of our durable subscribers (running ...

Shobhana
Mar 29, 2016 at 2:24 pm
Mar 29, 2016 at 3:05 pm

2	Artemis Connection retry during initial connection

Hi, I am trying to test initial connection factory retry attempts if connection is unsuccessful. To try this I purposefully did not enable SSL where as my server is setup for TLS communication ...

Abhijith
Mar 19, 2016 at 2:43 am
Mar 25, 2016 at 2:59 pm

2	Leveldb not recovering from failover

I have a 3 node cluster on Redhat servers running ActiveMQ version 5.13.2 and Zookeeper 3.4.8 The system runs without error for days then when I fail it over it will sometimes will not recover see ...

Mtod
Mar 15, 2016 at 4:27 pm
Mar 24, 2016 at 8:03 pm

2	Proposal: ability to install features in different regions in single command

Hi there! Use case: Environment: clean Karaf 4.x instance. Requirements: Multiple software modules should be install according to accepted deployment plan. Deployment plan consist 3 modules in ...

Владимир Коньков
Mar 21, 2016 at 9:33 am
Mar 23, 2016 at 10:13 am

2	[ANNOUNCE] CVE-2016-0782: ActiveMQ Web Console - Cross-Site Scripting

There following security vulnerability was reported against Apache ActiveMQ 5.13.0 and older versions. Please check the following document and see if you’re affected by the issue ...

Christopher Shannon
Mar 10, 2016 at 12:46 pm
Mar 17, 2016 at 3:43 pm

2	Embedded Broker Monitoring

Hi, in my application (its a standalone jar) I also start an embedded broker. I can monitor this via the jmx console. So my question is now, is it possible to launch anything programmatically to get ...

Pat0675
Mar 1, 2016 at 4:38 pm
Mar 2, 2016 at 3:15 pm

1	What is "Cross Language Clients and Protocols" means?

Lets say I have an existing c++ want to stream messages (struct, binary stream, string, format really doesn't metter) to java world. Does ActiveMQ provide c++ message producer and java message ...

Bryanevil
Mar 30, 2016 at 2:02 am
Mar 30, 2016 at 2:16 am

1	external ActiveMQ 5.13.2 + WildFly 9.0.2

Hi, I am preparing my first ActiveMQ environment with WildFly App Server. I would like to use ActiveMQ as a stand-alone server / external message broker. So I downloaded the latest version of ...

Zappee
Mar 17, 2016 at 6:24 pm
Mar 23, 2016 at 4:36 am

1	Sending multiple files in a single message into messaging queue

Hi, As part of requirement i need to send multiple files in a single message into messaging queue. Please help to suggest me if any way to achieve using blobmessage or any others. Thank you Regards ...

Subbu
Mar 18, 2016 at 2:04 pm
Mar 19, 2016 at 3:37 am

1	Unable to set Jetty httpClient option

I am attempting to set my own httpClient in the url of the camel producer but it does not appear to be taking effect. Looking at the JettyHttpComponent it appears that the endpoint options being set ...

Mluckam
Mar 17, 2016 at 1:47 pm
Mar 17, 2016 at 2:38 pm

1	ActiveMQ 5.13.0 warning on unsubscribing durable subscriber

The client connects and specified a client id: CONNECT client-id:test2 and subscribes with a subscription name SUBSCRIBE destination:/topic/TestUnsubscribeDurable ack:auto id:.. ...

Michael Justin
Mar 13, 2016 at 7:27 am
Mar 14, 2016 at 4:29 pm

1	Get transport connector for connectionId

Hi all, i'm trying to find out the connector that was used by a client to connect to the broker. I've subscribed to topic ActiveMQ.Advisory.Connection and get the ConnectionInfo. This info contains ...

Bimsimsala
Mar 10, 2016 at 5:10 pm
Mar 11, 2016 at 2:33 pm

1	activemq with leveldb is not stable on hp-unix

when I use activemq with leveldb persistentAdaptor on hp-unix, the activemq process will corruption. And then can't restart the activemq . Is there anyone have the same problem? How can I resolve ...

Shuangzh
Mar 9, 2016 at 2:22 am
Mar 9, 2016 at 1:47 pm

1	Active MQ, Only one of many MessageListeners stuck while reading still causes queue to grow

ActiveMQ version 5.10.2 I have a weird behavior on an ActiveMQ queue i can't understand. Not super-good at ActiveMQ so i'm hoping that someone can help out. I have a queue, configured in tomcat. I ...

Mathias
Mar 4, 2016 at 12:49 pm
Mar 4, 2016 at 1:01 pm

1	sendfailifnospaceaftertimeout

hi i would like to know if the attribute above is only relevant when working kahdb ? -- View this message in context ...

Mikigur
Mar 2, 2016 at 3:49 pm
Mar 2, 2016 at 11:08 pm

1	identify the topic basing on message content

Does ActiveMQ support dynamic topic creation? For example, can I define a topic template as x.y.z. If the message has content like x=price, y=bond, z=5Y, price=99.25, it means the topic will end up ...

Jun Hong
Mar 2, 2016 at 8:22 pm
Mar 2, 2016 at 11:02 pm

0	JMS to STOMP transformation causes throughput drop in STOMP consumers

Hi, I am trying to benchmark throughput for my nodejs consumer (STOMP). The producer is in Java sending JMS text and map messages. With text messages, I see that nodejs consumer is able to handle 10 ...

Xabhi
Mar 31, 2016 at 11:10 am
Mar 31, 2016 at 11:10 am

0	Improved (de-)serializing of javax.jms.ObjectMessage messages

To improve sending/receiving of ObjectMessages I used another serialization framework (Kryo). I was a bit surprised, because the performance gain was not as big es expected. - When using Kryo with ...

Frizz
Mar 28, 2016 at 4:08 pm
Mar 28, 2016 at 4:08 pm

0	Messages not received in hub/spoke configuration

Hi all,I am configuring my ActiveMQ instances in a Hub/Spoke Topology. I am using the BrokerService class to start the broker and adding the network connectors. The network connection is a duplex ...

Rakeshbalguri
Mar 23, 2016 at 3:41 pm
Mar 23, 2016 at 3:41 pm

0	ActiveMQ 5.13.2 null transaction debug messages

What is the significance of the following messages? I've inherited an ActiveMQ client application that continuously repeats these messages. Are these normal? 2016-03-17 15:56:15.635 [DEBUG] ...

Derek Mahar
Mar 17, 2016 at 8:02 pm
Mar 17, 2016 at 8:02 pm

0	Cannot receive message via REST

Hello! I'm beginner user of ActiveMQ, and I use it via REST interface. I have no problem with posting messages in queues, but I'm probably missing something when receiving. I have 1 message in queue ...

Alexander Sviridov
Mar 17, 2016 at 12:18 pm
Mar 17, 2016 at 12:18 pm

0	Encrypted passwords using other JCE provider?

Hi All, I see that you can use JASYPT to encrypt credentials that ActiveMQ uses, and this is documented here... http://activemq.apache.org/encrypted-passwords.html also see the JASYPT ...

Leaski
Mar 14, 2016 at 4:45 pm
Mar 14, 2016 at 4:45 pm

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