Re: InterruptedException with ActiveMQ broker

I think similar issue is discussed here: http://activemq.2283324.n4.nabble.com/InterruptedException-with-embedded-5-5-0-broker-td3487950.html#a4675846 But on that thread also no clear reply from vendors. Please help us. Thanks, Abhi -- View this message in context:

Re: large number of connections from the same client

I have also seen same issue some days ago after restarting, connections are normal. But Not able to understand the reason behind such behavior. Can someone explain this ? Thanks, Abhi -- View this message in context:

Message Dequeue count in jconsole 0 even after messages are recieved and consumed by subscribers

Hi, I have producer which constantly is sending messages to the topic and i can see that messages are enqueued in the topic and dispatched also and i see that there are subscribers which are receiving messages. The problem is that the dequeue count in jconsole is still shown as zero even though

Re: Message Dequeue count in jconsole 0 even after messages are recieved and consumed by subscribers

I found this link http://fusesource.com/forums/thread.jspa?messageID=16510 and performed a little test and found that 1. The dequeue count increases for non-durable subscribers (session transacted was true). 2. The dequeue count does not increase for durable subscribers (session transacted

Re: Message Dequeue count in jconsole 0 even after messages are recieved and consumed by subscribers

Thanks for the reply. I am looking at the topic mbean. The dequeue count in topic mbean is 0 even if the subscribers is receiving and processing messages. Does this mean that messages are not removed from the topic and are still available? How come dequeue counter is not zero in cases where I

Re: Hung ActiveMQ broker and processes are blocking

I looked at stack trace and it has something to do with inactivity monitor. Some one from ActiveMQ development team can help us here. -- View this message in context: http://activemq.2283324.n4.nabble.com/Hung-ActiveMQ-broker-and-processes-are-blocking-tp4675874p4675967.html Sent from the

Re: Message Dequeue count in jconsole 0 even after messages are recieved and consumed by subscribers

Thanks for reply artnassef. My question is Why dequeue count for a topic is not zero in cases where I have non-durable subscribers whereas it is zero if my topic has only durable subscriber. Can anyone explain this behavior? -- View this message in context:

Re: Message Dequeue count in jconsole 0 even after messages are recieved and consumed by subscribers

Can anybody from ActiveMQ team explain this behavior? -- View this message in context: http://activemq.2283324.n4.nabble.com/Message-Dequeue-count-in-jconsole-0-even-after-messages-are-recieved-and-consumed-by-subscribers-tp4675875p4676074.html Sent from the ActiveMQ - User mailing list

Re: Message Dequeue count in jconsole 0 even after messages are recieved and consumed by subscribers

Thanks for reply christian. Yeah it would be good if the metrics work in same way for both durable and non-durable subscribers. It would also be nice if it was documented somewhere in ActiveMQ docs as I couldn't find any information about this behavior in ActiveMQ docs. -- View this message

Re: Message Dequeue count in jconsole 0 even after messages are recieved and consumed by subscribers

https://issues.apache.org/jira/browse/AMQ-4965 https://issues.apache.org/jira/browse/AMQ-4965 Thanks, Abhi -- View this message in context:

Kahadb diagnostic logging

Hi, How much burden does kahadb diagnostic logging puts on message broker? I want to catch filesystem issues as soon as possible and I found this diagnostic logging option. Has anybody used it? Will it cause any additional burden on broker? Thanks, Abhi -- View this message in context:

Re: Kahadb diagnostic logging

Hi christian, How frequently this diagnostic logging happens? Does it happen for every persistent message received by broker? Could you please tell me for what operations i can expect these kind of log messages? Thanks, Abhi -- View this message in context:

Slow KahaDB access

Hi, How frequently are these slow kahadb messages are logged? I checked source code and found that these are logged during cleanup, journal append and journal read. I know cleanup happens only after cleanup interval but I know nothing about how frequently journal append and journal read happens.

Re: Slow KahaDB access

Can somebody from activemq dev answer these queries please? Thanks, Abhi -- View this message in context: http://activemq.2283324.n4.nabble.com/Slow-KahaDB-access-tp4677915p4677981.html Sent from the ActiveMQ - User mailing list archive at Nabble.com.

Re: Slow KahaDB access

Hi, I have read that page and I could only find that the logging will be done after cleanup or checkpoint interval. But its not clear what happens when a persistent message arrives at broker. Does journal write happens as soon as a persistent message arrives(i.e. separately for every persistent

Re: Slow KahaDB access

Hi, I have few more queries: 1. IIUC, If there is only one producer sending persistent messages, then journal writes will happen for every message and Slow KahaDB access logging will be done for every message. 2. In what cases does Slow KahaDB access: Journal read took will logged? In which

Re: Slow KahaDB access

Can anybody answer the queries posted in previous post. - Abhi -- View this message in context: http://activemq.2283324.n4.nabble.com/Slow-KahaDB-access-tp4677915p4678236.html Sent from the ActiveMQ - User mailing list archive at Nabble.com.

Re: Slow KahaDB access

Please respond - Abhi -- View this message in context: http://activemq.2283324.n4.nabble.com/Slow-KahaDB-access-tp4677915p4678345.html Sent from the ActiveMQ - User mailing list archive at Nabble.com.

LevelDB Documentation

Hi, I am trying to use levelDB in ActiveMQ5.9 but did not find any documentation of levelDB for ActiveMQ. I have gone through http://activemq.apache.org/leveldb-store.html already but this page just give us very abstract details about levelDB. I want to know detail like how key-value pair is

Re: LevelDB Documentation

Yeah, there is no clear documentation about levelDB in ActiveMQ. Please help us to know what is the mechanism and how indexes are stored in levelDB. Thanks, Anuj -- View this message in context: http://activemq.2283324.n4.nabble.com/LevelDB-Documentation-tp4679547p4679574.html Sent from the

Re: LevelDB: Multiple Persistent Adapters

Hi, I am also thinking about moving to levelDB but its not clear how to use multiple persistent adapters for each destination just like KahaDB. Can somebody answer how to avail this requirement in LevelDB or if it is available or not ? Thanks, Abhi -- View this message in context:

Listener is not able to connect again once maxReconnectAttempts are exhausted by the ActiveMQ layers.

I have multiple listeners sharing same connection and the broker url has maxReconnectAttempts property set to 5. If I restart the broker, the ActiveMQ layer tries 5 reconnect attempts then gives up and the listener throws up connection refused exception and then tries to refresh the jms connection

Re: Consumer not able to consumer messages from queue

Hi, A similar issue happened again in my ActiveMQ broker setup where the broker didn't deliver any messages to a queue consumer for about an hour. I could see some of the msgs being held on the broker and the count kept on increasing during this time though other destinations were working fine and

Re: Consumer not able to consumer messages from queue

Hi Art, Can you also please take a look at http://activemq.2283324.n4.nabble.com/Consumer-not-able-to-consume-messages-from-queue-tp4689594p4689835.html http://activemq.2283324.n4.nabble.com/Consumer-not-able-to-consume-messages-from-queue-tp4689594p4689835.html Thanks, Abhi -- View this

Re: ActiveMQ 5.10.0 queue slowed down, restart helped

Hi, I am also kind of facing a similar issue where ActiveMQ seems not be delivering any messages to queue consumers (only for persistent messages though). Consumers are not slow and there aren't any fast producers also.

Re: Broker not delivering persistent messages to consumer on queue

Can anyone suggest what configuration would be causing the broker to go in this state where it is delivering non-persistent messages but not persistent messages on queues? I tried sending persistent messages from STOMP producers but those were also not delivered. This issue is not happening for

Re: Consumer not able to consumer messages from queue

Please help i am not able to get anywhere with this issue. Atleast tell me what more information to collect and what things to look out for next time this issue happens which can help to resolve/debug this issue. Thanks, Abhi -- View this message in context:

Re: Consumer not able to consumer messages from queue

The producer is not blocked as the msgHeld value keeps increasing, its the consumer that stops consuming messages. Also, I was under the impression that it wasn't possible to set message TTL on the broker and that it could only be set by the producer; Yes, sorry about that it can be set by

Re: Consumer not able to consumer messages from queue

Thanks for the reply. I have disabled producer flow control on both topics and queues in my broker configuration and I have message TTL specified on broker side. The destination on which heartbeats are sent is a Queue on which 5 concurrent consumers are listening and the reply to destination is

Should I still use idleTimeout=0 which ActiveMQ 5.10.0 after the bug fix in ActiveMQ 5.8.0

There was this bug in ActiveMQ v 5.8.0 ( https://issues.apache.org/jira/browse/AMQ-4366 https://issues.apache.org/jira/browse/AMQ-4366 ) which was worked around by setting idleTimeout to 0 in connection factory. I have upgraded my setup to ActiveMQ 5.10.0. I am wondering whether to keep this

Re: Broker not delivering persistent messages to consumer on queue

Thanks for your prompt response. As I mentioned before in my observations, I purged the queue and the new messages that came after purging were also not delivered to the consumer. And My consumer does not use any selectors or message groups. Moreover, I believe purging the queue would rule out

Re: Broker not delivering persistent messages to consumer on queue

Can someone from activemq dev take a look at this and help in debugging the root cause. As it affects the production setup every now and then and only way to resolve this is broker restart. I have also attached jstacks of activemq at the time the issue was happening. Thanks, Abhi -- View this

Broker not delivering persistent messages to consumer on queue

Hi, I had a weird issue where broker was not delivering persistent messages to consumer on some queues. I tried following things on one of the affected queues: 1. I added a new consumer on that queue but it didn't receive any messages. 2. I restarted the original consumer but it didn't receive

Re: Consumer not able to consumer messages from queue

Thanks for the reply. I don't have the stack trace currently with me and I have not been able to reproduce this issue. In my broker I log hourly destination stats and for this particular topic I observed that the messages consumption doesn't stop immediately rather it happens overtime. [destName:

Consumer not able to consumer messages from queue

Hi, I have a session aware message listener inside a DMLC with 5 concurrent consumers consuming messages from a queue. This listener will send a message everytime it receives a messages using the same session object to another topic by creating a producer. This setup runs fine for around 15 days

Clarification regarding broker statistics in jconsole

Hi, I have some confusion regarding the broker stats that are visible in jconsole. Why TotalConsumerCount != TopicSubscribers + Temporary(topic/queue)Subscribers + QueueSubscribers + DurableTopicSubscribers (excluding InactiveDurableSubscriber) What should it be equal to in terms of

Re: ActiveMQ 5.11.1 and STOMP v1.2

Hi, Just want to confirm if the information on this page https://stomp.github.io/implementations.html https://stomp.github.io/implementations.html is outdated? Thanks, Abhi -- View this message in context:

Re: KahabDB compatibility issue between ActiveMQ 5.10 and ActiveMQ 5.11

Ping. Can some one please explain any changes in kahadb when moving from ActiveMQ 5.10 to ActiveMQ 5.11? -- View this message in context: http://activemq.2283324.n4.nabble.com/KahabDB-compatibility-issue-between-ActiveMQ-5-10-and-ActiveMQ-5-11-tp4692008p4692323.html Sent from the ActiveMQ -

Re: ActiveMQ 5.10.0 queue slowed down, restart helped

Hi Tim, The reason I think it might be related (though I use KahaDB for persistence) is because this issue affected specifically the persistent messages in my case, the issue happens every one week or two. Restarting helped in consumption of messages. In my case the messages consumption was

Re: Incorrect inflight count for topic subscription

So, What does inflight and queue size mean for a topic or queue? What is the difference? Should I ignore the topic stats completely? How do I know which ones are accurate? I don't see any documentation on this? Thanks, Abhi -- View this message in context:

ActiveMQ 5.11.1 and STOMP v1.2

Hi, Does ActiveMQ v5.11.1 implements STOMP v1.2 spec? How can I check this? Thanks, Abhi -- View this message in context: http://activemq.2283324.n4.nabble.com/ActiveMQ-5-11-1-and-STOMP-v1-2-tp4693847.html Sent from the ActiveMQ - User mailing list archive at Nabble.com.

Re: Clarification regarding broker statistics in jconsole

Ping! Please clarify this confusion regarding broker stats. Thanks, Abhi -- View this message in context: http://activemq.2283324.n4.nabble.com/Clarification-regarding-broker-statistics-in-jconsole-tp4693403p4693591.html Sent from the ActiveMQ - User mailing list archive at Nabble.com.

Re: DOS attack on activemq setup

Hi Tim, rajdavies Could you please point me to documentation on how to restrict no. of consumers/producers on transport connector. I couldn't find them on activemq wiki. All i could find was this page http://activemq.apache.org/tcp-transport-reference.html

Re: DOS attack on activemq setup

Thanks gary! I have logged a JIRA request for this enhancement - https://issues.apache.org/jira/browse/AMQ-5720 https://issues.apache.org/jira/browse/AMQ-5720 -- View this message in context: http://activemq.2283324.n4.nabble.com/DOS-attack-on-activemq-setup-tp4694598p4694867.html Sent

Re: DOS attack on activemq setup

Hi gary, In http://activemq.apache.org/per-destination-policies.html http://activemq.apache.org/per-destination-policies.html the *memoryLimit* option refers to only memoryUsage part of systemUsage as per my understanding and there is no way to configure the storeUsage compoment as of now. Just

Limit the size of the message in ActiveMQ

Hi, I want to limit the size of the message that is sent to ActiveMQ. I have clients in Perl, python, Java, C# and php. What is the best way to put this limit? I know about wireFormat.maxFrameSize. Does frame size accounts for entire frame or the message payload only? Will this be applicable to

Re: Does the NIO connector use dramatically less memory?

Hi, I have also just started using NIO in my setup. The average memory usage is same what it used to be with TCP but threads usage reduced a lot. Another thing is I observe that memory usage oscillates a lot in case of NIO. I am not sure if its a good thing ? May be someone from ActiveMQ dev team

Re: DOS attack on activemq setup

Hi, I am having some difficulties/concerns in implementing some of the ideas: 1. Restricting composite destinations for producer and consumer: I tried adding destination.iscomposite() checks in addProducer and addConsumer by extending BrokerPluginSupport. The problem I am facing now is that it is

Re: KahabDB compatibility issue between ActiveMQ 5.10 and ActiveMQ 5.11

ActiveMQ has changed the name of the default persistent adapter from 0 to #210 in ActiveMQ 5.11.1. ActiveMQ v5.11.1 will not read messages from 0 directory as there is no persistence adapter defined for that and hence they are kind of lost. Thanks, Abhi -- View this message in context:

Re: DOS attack on activemq setup

Humble ping to get some help in completing this effort. Another thing- The ampq protocol doesn't respect either of the configurations for message size - transport.maxDataLength and wireFormat.maxFrameSize. Thanks, Abhi -- View this message in context:

Re: KahabDB compatibility issue between ActiveMQ 5.10 and ActiveMQ 5.11

Hi Tim, I don't have any specific idea as to what changed between the versions but i can point you to the part of code that does it. In my mulitKahaDB adapater configuration I have this entry: amq:filteredKahaDB

Re: KahabDB compatibility issue between ActiveMQ 5.10 and ActiveMQ 5.11

Hi Tim, Did you got a chance to look at this? Thanks, Abhi -- View this message in context: http://activemq.2283324.n4.nabble.com/KahabDB-compatibility-issue-between-ActiveMQ-5-10-and-ActiveMQ-5-11-tp4692008p4696555.html Sent from the ActiveMQ - User mailing list archive at Nabble.com.

No of consumers per connection in ActiveMQ

Hi, I recently observed that some of the clients in my ActiveMQ setup are having around 100 consumers on the same connection. I wanted to check if it is okay to have this many consumers on same connection? or I should split them across multiple connections? Which is a more costly resource for

Re: KahabDB compatibility issue between ActiveMQ 5.10 and ActiveMQ 5.11

I took some more time out and found that this inconsistency was not because of any change in KahaDB but because of change in physicalName of AnyDestination from 0 to !0. The commit refers to this JIRA issue: https://issues.apache.org/jira/browse/AMQ-5450

Re: DOS attack on activemq setup

Hi gary, In this reply http://activemq.2283324.n4.nabble.com/DOS-attack-on-activemq-setup-tp4694598p4694602.html http://activemq.2283324.n4.nabble.com/DOS-attack-on-activemq-setup-tp4694598p4694602.html you mentioned about controlling composite destinations. What kind of problems can be

DOS attack on activemq setup

Hi, I was thinking about ways in which I cause DOS attack on activemq and how to prevent it. I can bring the setup down by: 1. creating large number of connections - restrict based on connectionID? 2. large number of destinations 3. large number of subscriptions, consumers, producers, wildcard

Re: DOS attack on activemq setup

I just thought of another case where broker can be crashed. This is a case where a rogue app sends copious amount of persistent messages with no consumer and causes disk space to fill up making the broker unavailable. I am using multiKahaDB in my setup and have grouped it based on destination

Re: No of consumers per connection in ActiveMQ

Hi, Could anyone provide details on what should be the number of consumers/producers on a single connection? Thanks, Abhi -- View this message in context: http://activemq.2283324.n4.nabble.com/No-of-consumers-per-connection-in-ActiveMQ-tp4696635p4696716.html Sent from the ActiveMQ - User

Re: How to get number of unacknowledged messages on the broker?

Hi, I am not sure what to do when you say using JMX to iterate over each subscription, Where will you do this inside a broker plugin? do you mean to create jmx connection and get those stats? Can we not access those stats directly inside a broker plugin? Thanks, Abhi -- View this message in

Re: No of consumers per connection in ActiveMQ

Hi ActiveMQ gods, Another ping! Is there any suggestion on what is a good estimate for the number of consumers/producers on a single connection? Thanks, Abhi -- View this message in context:

Re: Understanding ActiveMQ Inactivity timeout monitor in STOMP

I am using ActiveMQ v5.11.1 Below are the STOMP frames sent/received from client/server. # Net::STOMP::Client->connect() # encoded CONNECT frame # H client-id:test_perl_consumer_huygens01-test_stomp_consumer # H passcode: # H host:mqbrokerdev # H accept-version:1.0,1.1 # H login: #

Understanding ActiveMQ Inactivity timeout monitor in STOMP

Hi, Below is my ActiveMQ configuration file. I have specified wireFormat.maxInactivityDuration for TCP Nio transport. Does this inactivity timeout applies to STOMP connector as well? I am seeing cases where if my STOMP client is busy for more than 5 mins in doing some operation and doesn't send

Producer slows down when consumer is slow

Hi, Below is my destination policy in which I have disabled producerFlowControl but my producer still slows down (to the rate consumer is able to actually handle). Why does this happen even after disabling producerFlowControl, are these two things not related?? What should i do to avoid this?

Node.js and ActiveMQ communication

Hi, I want to send messages between ActiveMQ and node server. Which STOMP client library is recommended? I see there are two listed on http://activemq.apache.org/websockets.html . Does these libraries implement features like acknowledgements,

Re: Node.js and ActiveMQ communication

Has anyone used JavaScript Stomp clients with ActiveMQ? Which Client library do ActiveMQ developers recommend? Thanks, Abhi -- View this message in context: http://activemq.2283324.n4.nabble.com/Node-js-and-ActiveMQ-communication-tp4707922p4708061.html Sent from the ActiveMQ - User mailing

Re: Node.js STOMP client recommendation

Hi, I am looking at these two libraries - https://www.npmjs.com/package/stompit and https://www.npmjs.com/package/stompjs . Has anyone used them before? Which one is recommended by ActiveMQ community? --

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 never called. However note that if I send a simple string as object message it gets processed by

Re: ActiveMQ Object Message to json transformation not working

How do I make sure that this class is available at broker side? -- View this message in context: http://activemq.2283324.n4.nabble.com/ActiveMQ-Object-Message-to-json-transformation-not-working-tp4709447p4710145.html Sent from the ActiveMQ - User mailing list archive at Nabble.com.

Re: JMS to STOMP transformation causes throughput drop in STOMP consumers

Hi, I am seeing the same behavior with Python STOMP consumer as well - throughput for TEXT msgs is 10K/s and for MAP messages with tranformation is 200 msgs/s. Is there a way to improve it for JMS Map messages? Some broker setting? may be plugin different serialization library instead of

Message Redelivery in STOMP client using NACK

Hi, Will ActiveMQ redeliver the message for which the STOMP client sent a NACK frame? I found this ActiveMQ page( http://activemq.apache.org/how-do-i-unack-the-message-with-stomp.html ) but not sure that it explains the

Re: ActiveMQ Object Message to json transformation not working

A little unrelated question but does using 'transformation' header on STOMP consumer causes throughput drop? I tested it with jms-map-json transformation and throughput dropped to 200 msgs/s when compared to that simple text messages. Should i do transformation to text message in my Java

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 Kmsgs/sec without any pending messages But when I send Map messages and using nodejs consumer

Is there a way to disconnect an active durable topic subscriber

Hi, I recently encountered a problematic scenario where a stray process was running with a client-id in the cluster and it prevented start of another client with same client-id. I wasn't able to find the host of the stray process so as a temporary fix i started the new process with a different

Re: ArrayIndexOutOfBoundsException in ActiveMQ v5.11.1

Hi, What do these exceptions indicate? I saw below exceptions along with the ArrayIndexOutOfBounds exception but without the stack strace i an not able to figure out anything? Has anyone else encountered these exceptions before? Exceptions:

ArrayIndexOutOfBoundsException in ActiveMQ v5.11.1

Hi ActiveMQ devs, I observed below ArrayIndexOutOfBounds exception in my production setup and it caused high non-persistent memory usage on the affected topic due to transaction rollbacks. It is not clear why this happened. Could you please help in investigating this? What could be the possible

Re: ArrayIndexOutOfBoundsException in ActiveMQ v5.11.1

Is this something I should worry about happening again? What scenarios can cause the ArrayIndexOutOfBoundsException exception (in the first post)? Thanks, Abhi -- View this message in context:

Durable subscription queries and ways to handle rogue durable subscribers

Hi, I wanted to know a few things about durable topic subscription which i couldn't find on ActiveMQ documentation 1. Is it possible to purge all pending messages on the durable topic subscription when the subscriber is not active, similar to purge operation on the queues? 2. Is there a way to

activemq-admin command line missing ActiveMQ v5.14.3

Hi, I see that ActiveMQ admin command 'bin/activemq-admin' is removed in v5.14.3. I was unable to find the relevant ticket in JIRA. Could anyone explain why it was removed and what is the alternative? I use it to collect various usage statistics in my ActiveMQ setup which are very helpful. The

Re: ArrayIndexOutOfBoundsException in ActiveMQ v5.11.1

Hi Tim, Thanks for taking a look at this. But rural hunter encountered this problem in ActiveMQ v5.13.3 and I am seeing these warnings on server in ActiveMQ v5.11.1 Also do you have any idea what can cause ArrayIndexOutOfBounds exception on client side in ActiveMQ v5.11.1 ( see first message

'Client already connected ' exception in ActiveMQ v5.11.1

Hi, Setup: ActiveMQ v5.11.1 Clients connect to ActiveMQ server via load balancer Client is a durable stomp subscriber on a topic I have come across a weird case where I am getting a 'client already connected from some ip' exception but there is not client running and the durable subscriber is

Re: Ignoring sub command log messages

Thanks christopher for the explanation. This makes sense. What are the timelines for ActiveMQ v5.15.0 release - mid year? I am asking because I plan to upgrade to 5.14.3 and if this issue will be handled well in 5.15.0 i would love to upgrade directly to 5.15.0. Thanks, Abhi -- View this

Re: Disable producer flow control in ActiveMQ v5.14.3

Hi ActiveMQ Devs, Is this a bug that producer is stopped even if the producer flow control is disabled or is this expected? Can anyone explain this behavior? Thanks, Abhishek -- View this message in context:

Ignoring sub command log messages

Hi, I saw below log messages in my ActiveMQ instance's logs. When does this happen and what effects can it have? [20170108 15:29:19.584 EST (main) org.apache.activemq.store.kahadb.MessageDatabase#updateIndex 1405 DEBUG] - no message sequence exists for id:

Re: Ignoring sub command log messages

Hi, Yes these log messages appeared at the startup only. I had faced an issue where activemq dumped 7gb file - tx-14693130-1483907222896.tmp in one of the mkahadb directories when i tried to destroy a durable topic consumer which was inactive for quite some time and had hit the memory threshold

Re: Unable to launch ActiveMQ v5.14.3 with Jetty

Looks like it is due to Jetty upgrade in ActiveMQ version and SelectChannelConnector seems to have been removed in new jetty version ( http://stackoverflow.com/questions/36788049/selectchannelconnector-alternative-class-in-jetty-9-and-above

Re: Unable to launch ActiveMQ v5.14.3 with Jetty

Below is the minimum configuration required to reproduce this problem. I am using these files will freshly extracted ActiveMQ v5.14.3 with no changes. I am not sure what is missing as this works fine with v5.11.1 with below command: ~/apache-activemq-5.11.1/bin/activemq console

Unable to launch ActiveMQ v5.14.3 with Jetty

Hi, I am trying to use new version of ActiveMQ v5.14.3 but i am not able to launch it with embedded jetty server of AJAX. The same setup is working for ActiveMQ v5.11.1 without any issues: The jetty version in 5.11.1 is v8.1.16.v20140903. *Java command for v5.14.3:* Java Runtime: Oracle

Disable producer flow control in ActiveMQ v5.14.3

Hi, I am trying out new ActiveMQ v5.14.3 and observer below producer flow control logs in my setup even though I have disabled producer flow control in the broker config file. Is there something missing in the config file or has anything changed in the new version Could anyone explain this

Unmatched acknowledge: MessageAckExpected - message count (1) differs from count in dispatched-list (2)

Observed below exceptions in STOMP consumer after failover. The consumer continued to receive messages but this exception kept coming on both client and server side and when the master activemq instance took over after another failover, all the messages were redelivered and below warning went

Re: Unmatched acknowledge: MessageAckExpected - message count (1) differs from count in dispatched-list (2)

Hi Tim, Thanks for the reply. I already submitted this as a bug in JIRA, see https://issues.apache.org/jira/browse/AMQ-6622 , but no one responded there so I had to cross post on the forum. I would like to know if there is any workaround for this

/bin/activemq command not working

Hi, I am trying to get destination stats using /bin/activemq command. This was earlier available via activemq-admin command. ( http://activemq.apache.org/activemq-command-line-tools-reference.html ) ?

Re: Switch to Artemis from ActiveMQ v5.14.4?

How hard would be to switch just the messaging server from ActiveMQ to Artemis. There are a lot of JMS, Perl, Python clients connecting to our ActiveMQ instance. Is Artemis being developed as drop-in replacement for ActiveMQ that can work seamlessly with activemq-client libraries without much

Object messages in ActiveMQ v5.14.4

Hi, I am upgrading my ActiveMQ setup from v5.11.1 to v5.14.4. I came across this wiki page as per upgrade instructions - http://activemq.apache.org/objectmessage.html. It says that i need to org.apache.activemq.SERIALIZABLE_PACKAGES system property to whitelist the packages. However, it isn't

Artemis Kerberos support for openwire and stomp protocol

Hi, I am looking to setup Artemis for my use-cases that are currently using ActiveMQ v5.14.1 and want to use Kerberos auth which isn't available in ActiveMQ currently. How can i set-up Kerberos authentication for openwire and STOMP protocol? How will clients (STOMP and openwire) authenticate to

Re: Artemis Kerberos support for openwire and stomp protocol

Thanks for the reply Tim. Is there a plan to extend Kerberos Authentication to STOMP and other protocols in Artemis? Should i log a JIRA ticket for this? Thanks, Abhi -- Sent from: http://activemq.2283324.n4.nabble.com/ActiveMQ-User-f2341805.html

Re: Security features in Artemis 2.x

Hi, Can any Artemis dev please comment on these? The documentation doesn't touch upon these points and it isn't clear in what aspects the security is different/better when compared to ActiveMQ Thanks, Abhishek -- Sent from: http://activemq.2283324.n4.nabble.com/ActiveMQ-User-f2341805.html

Re: Security features in Artemis 2.x

Thanks Christopher for the migration guide. It wasn't linked in the artemis user manual. It is a useful resource. As I mentioned Kerberos support would be a big motivation for an early migration to Artemis. In the user manual it isn't clear to what extent Kerberos is supported like it is

Security features in Artemis 2.x

Hi, I am currently using ActiveMQ v5.14 and have been using it in production for quite a long time without any issues. I want to use authentication and authorization in ActiveMQ but haven't because of lack of Kerberos support and have been following -

java.lang.OutOfMemoryError: unable to create new native thread

Hi I am using ActiveMQ v5.14.4 and have observed below multiple times now. I am using NIO connector so thread count is not high (~203 threads when this issue was happening). Exception in thread "ActiveMQ InactivityMonitor WriteCheckTimer" java.lang.OutOfMemoryError: unable to create new native

Re: Frequently getting error in ActiveMQ and ActiveMQ gets stopped

you can take a look at this wiki page - http://activemq.apache.org/activemq-inactivitymonitor.html and increase 'wireFormat.maxInactivityDuration' to a higher value. Thanks, Abhi -- Sent from: http://activemq.2283324.n4.nabble.com/ActiveMQ-User-f2341805.html

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