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From "Andrea Cosentino (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CAMEL-10666) Serializable headers lost by JmsBinding
Date Mon, 09 Jan 2017 11:54:59 GMT

    [ https://issues.apache.org/jira/browse/CAMEL-10666?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15811599#comment-15811599
] 

Andrea Cosentino commented on CAMEL-10666:
------------------------------------------

Thanks [~davide_cavestro]

> Serializable headers lost by JmsBinding
> ---------------------------------------
>
>                 Key: CAMEL-10666
>                 URL: https://issues.apache.org/jira/browse/CAMEL-10666
>             Project: Camel
>          Issue Type: Improvement
>          Components: camel-core, camel-jms
>    Affects Versions: 2.17.0
>         Environment: Apache Camel 2.17.0
>            Reporter: Barbara De Vido
>            Assignee: Andrea Cosentino
>            Priority: Minor
>             Fix For: 2.19.0
>
>
> In Camle 2.15.1 I was able to set a custom object in the header of my exchange and as
long as it was serializable and the container consuming the route had this JVM options set
(-Dorg.apache.activemq.SERIALIZABLE_PACKAGES="*") and the queue had for both producer and
consumer the option "transferExchange=true" everything was working fine.
> Now my company wanted to move to Camel 2.17.0.
> The same code do not work anymore. All serializable objects in header are removed.
> To make a simple example, there is not need to have a custom object, it can be a Calendar
object.
>  I decided to debug the code, and I noticed a big change in the org.apache.camel.impl.DefaultExchangeHolder
class (camel-core). 
> It is used by the org.apache.camel.component.jms.JmsBinding#createJmsMessage(org.apache.camel.Exchange,
java.lang.Object, java.util.Map<java.lang.String,java.lang.Object>, Session, org.apache.camel.CamelContext).
Which is in camel-jms
> JmsBinding methos invoke DefaultExchangeHolder.marshal(echange)
>  
> which is this:
> public static DefaultExchangeHolder marshal(Exchange exchange) {
>    return marshal(exchange, true, false); <---- THE FALSE PARAMETER AVOID THE MARSHAL
OF COMPLEX TYPE
> }
>  
> In Camel 2.1.5.1 the class is quite different and there is not any flag avoiding the
serializable headers, or at list I did not see any.
>  
> This is a big change and it is not documented since if I look at the Camel page, it clearly
states that if transferExchange is true than
> "You can transfer the exchange over the wire instead of just the body and headers. The
following fields are transferred: In body, Out body, Fault body, In headers, Out headers,
Fault headers, exchange properties, exchange exception. This requires that the objects are
serializable. Camel will exclude any non-serializable objects and log it at WARN level.
> You must enable this option on both the producer and the consumer side, so Camel will
know that the payload is an Exchange and not a regular payload."
>  
> There is any workaround in order to make this whole thing work as is should work? 
>  I know that there was a similar issue for levelDb
> https://issues.apache.org/jira/browse/CAMEL-9584
> Thank you
> Barbara



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