The most effective way I know to determine what a Java process is doing
when I can't step through with a debugger is to use a CPU sampler
(JVisualVM ships with the Oracle JDK and can attach either locally or from
a remote machine via JMX and RMI) to capture where the time is being spent.
Let it cap
As you are reading the message in a transaction, then rolling back the
transaction will send the message to the original queue which will
eventually move the message to the DLQ after configured attempts.
if you don't want to move the message to DLQ, then the only way which I can
see that don't conf
I'm evaluating ActiveMQ for a new application I am building. Message
grouping is the feature that has brought me to ActiveMQ and it looks
perfect for what I want. The only problem is that I'm constrained to only
using MQTT. It's unfortunately but sadly it is a hard requirement. The
state of AMQ
Our batch processing applications process abut 10 Billion messages a day.
>From past two months we have been experiencing an issue with ActiveMQ where
ActiveMQ delivers messages very late, sometimes messages are delivered 3
days later. Daily, in the worst case 5% (and mostly 1%) of messages are
de
In ActiveMQ 5.13.2 .
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Is that activemq or activemq artemis? what version?
On Wed, Jun 21, 2017 at 9:16 AM, Abhinav2510
wrote:
> Tim Bain wrote
>> How much memory is your ActiveMQ process using, compared to the amount of
>> RAM on your host? Could the swap simply result from the JVM being allowed
>> to grow larger than
Did you import the key?
https://github.com/apache/activemq/blob/master/KEYS#L273 Looks like two of
them in there.
John
On Wed, Jun 21, 2017 at 1:56 PM hunterbdb wrote:
> I'm trying to verify if this is happening for everyone or just me.
>
> pgp activemq.tar.gz.sig
> gpg: Signature made Tue 11 A
I'm trying to verify if this is happening for everyone or just me.
pgp activemq.tar.gz.sig
gpg: Signature made Tue 11 Apr 2017 03:57:47 PM UTC using DSA key ID
BACB8793
gpg: BAD signature from "Dejan Bosanac "
WARNING: Bad signature, doesn't match file contents!
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On 06/21/2017 12:05 PM, niwa.sama wrote:
Hi
I have another question and i hope that you can help me.
I need to interrupt the process and re-apply the interceptor to one message
(or may be create and send a new message with same data) in some point of
the process (for example in preProcessDispat
Hi
I have another question and i hope that you can help me.
I need to interrupt the process and re-apply the interceptor to one message
(or may be create and send a new message with same data) in some point of
the process (for example in preProcessDispatch method) if that message have
setted some
Yes, that was my mistake -- now it works. Thank you!
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there are some smarts in xbean that set the persistence adapter reference
for the storeUsage. I think in your case that link is lost.
Start with:
SystemUsage usage = org.apache.activemq.broker.BrokerService#getSystemUsage
then make your mods to the members in that and there necessary associations
On Tue, Jun 20, 2017 at 6:36 PM, niwa.sama wrote:
> I am developing a plugin to control the number of messages that AMQ can
> handle in a fix time, but, i don't know when the mentioned methods are
> executed. I run many tests, but in none i can see that the methods are
> executed. Can any one ple
Hi All,
I'm pretty new to ActiveMQ. I'm trying to make a demo with resource usage
notifications, and therefore was looking into stats one can read from JMX
MBeans. In my demo I'm creating a simple fast producer to write to queue and
leave it running without consumers (memory and store limits are s
Tim Bain wrote
> How much memory is your ActiveMQ process using, compared to the amount of
> RAM on your host? Could the swap simply result from the JVM being allowed
> to grow larger than the amount of physical memory available?
>
> Tim
>
> On Tue, Jun 20, 2017 at 3:11 PM, Abhinav2510 <
> abhin
Thanks, Vishal. I am not sure how to handle this situation -> I am currently
listening messages from active mq with the transaction and on bad data in
the message body, rollback of DB has to be done but the message should be
sent to a new queue in the same transaction. throwing an exception sends
b
You don't program KahaDB. You run an ActiveMQ broker that knows how to
write to and read from KahaDB, and then you publish messages to a queue on
that broker via the ActiveMQ CMS library, and the broker will write them to
KahaDB.
Tim
On Jun 21, 2017 2:07 AM, "giox79" wrote:
> Hi Tim.
> Thank yo
Hi Tim.
Thank you for your useful help.
I think that the suggested approach is the right one.
I was searching for something similar but I wasn't able to find it.
However I don't understand how to configure programmatically the KahaDB (I'm
programming in C++).
The example in:
http://activemq.apach
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