Thanks for the quick reply. Is there any way to change something on the message that my consumer could then access? Maybe not ApplicationProperties but something else?
Harrison -----Original Message----- From: Timothy Bish [mailto:tabish...@gmail.com] Sent: Tuesday, October 10, 2017 2:11 PM To: users@activemq.apache.org Subject: Re: How to put "properties" on a message so they are accessible later On 10/10/2017 05:06 PM, Harrison Tarr wrote: > Hello again, > > I wanted to follow up on this as I've done some more experimenting. > I've found that when I use the Core protocol or Openwire protocol, > everything works as expected. I am able to use the "setStringProperty" > in my ActiveMQServerPlugin and it adds a header that I can then access > in my Camel consumer code. However, if I try to add a property to a > message that was sent using the AMQP protocol, it does not stay set on > the message. It appears to me that this is because the AMQP message is > more protected? Maybe it has all of the data in an immutable > ByteBuffer? I've tried using the "reencode" method on the > org.apache.activemq.artemis.protocol.amqp.broker.AMQPMessage class, > but it causes an error; it can't parse the message back out, it says > something about an unknown constructor. (Being handled here > https://github.com/apache/qpid-jms/blob/master/qpid-jms-client/src/mai > n/java/org/apache/qpid/jms/provider/amqp/AmqpConsumer.java#L496) AMQP ApplicationProperties are immutable so you cannot change or add to them in flight, that would violate the AMQP specification. > Justin, I've looked at the remoting interceptors. I think I decided against > using them because it does not expose as much information to me as I wanted. > I'm specifically trying to take the authentication credentials and then > create some kind of authentication token to attach to the message that I can > then use in my consuming code. > > Regards, > Harrison Tarr > > > -----Original Message----- > From: Justin Bertram [mailto:jbert...@redhat.com] > Sent: Tuesday, September 12, 2017 3:28 PM > To: users@activemq.apache.org > Subject: Re: How to put "properties" on a message so they are > accessible later > > I'm not terribly familiar with the ActiveMQServerPlugin functionality in this > regard, but I do know that you can make such modifications to messages using > remoting interceptors. Have you explored that possibility? > > > Justin > > On Tue, Sep 12, 2017 at 3:45 PM, Harrison Tarr > <harrison.t...@connexta.com> > wrote: > >> Right now I'm using Artemis 2.2.0. >> I've done a bit more research and experimentation. It seems that I >> can set a header in Camel, send the message to a queue/topic hosted >> on Artemis and read the header as a "stringProperty". The header keys >> also show up when I do a "getProperties" call. However, if I try to >> overwrite that field in my ActiveMQServerPlugin (specifically the >> beforeSend call), the change is not propagated to Camel. IE, if I send a >> message with the header "testHeader" >> with a value of "testValue", I can see, in Artemis, "testHeader" as a >> property on the message with the value of "testValue". If I then try >> to overwrite that value with "newValue", when I access the message >> and its headers in the consumer, the header is still "testHeader" >> with the value of "testValue", whereas I expect it to be "testHeader" >> with a value of "newValue". >> >> Harrison Tarr >> >> -----Original Message----- >> From: tbai...@gmail.com [mailto:tbai...@gmail.com] On Behalf Of Tim >> Bain >> Sent: Monday, September 11, 2017 6:26 PM >> To: ActiveMQ Users <users@activemq.apache.org> >> Subject: RE: How to put "properties" on a message so they are >> accessible later >> >> To be clear, you're asking about doing this in Artemis, not ActiveMQ >> 5.x, right? What version of Artemis? >> >> On Sep 11, 2017 2:48 PM, "Harrison Tarr" <harrison.t...@connexta.com> >> wrote: >> >>> I just wanted to follow up: Does anyone know how to put an >>> attribute/property on a message in an ActiveMQServerPlugin that I >>> can then pull out of the message in Camel? >>> >>> Regards, >>> Harrison Tarr >>> >>> -----Original Message----- >>> From: Harrison Tarr [mailto:harrison.t...@connexta.com] >>> Sent: Wednesday, September 6, 2017 8:56 AM >>> To: users@activemq.apache.org >>> Subject: How to put "properties" on a message so they are accessible >>> later >>> >>> Hi, >>> >>> I'm trying to put a StringProperty on a Message in an >>> ActiveMQServerPlugin. As far as I can tell, the property gets set >>> correctly. Later, I'm trying to retrieve the property from a Camel >>> Exchange. I don't see my property anywhere on the Exchange. I did >>> notice that it looks like the properties "firedTime" and >>> "breadcrumbId," which I think come from Artemis, do appear on the >>> Camel Exchange, which makes me think there is some way to propagate >>> my >> property from Artemis to Camel. >>> Regards, >>> Harrison Tarr >>> -- Tim Bish twitter: @tabish121 blog: http://timbish.blogspot.com/
