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Posted to users@camel.apache.org by Marco Zapletal <ma...@gmail.com> on 2015/11/16 11:55:22 UTC

DefaultExchangeHolder.marshal() produces a lot of warnings | CAMEL-8415

Dear Camel folks,

starting with Camel 2.16, the DefaultExchangeHolder is expected to 
transfer primitive headers/properties only (CAMEL-8415). The ActiveMQ 
component, however, seems to set a lot of headers with null or 
non-primitive values (e.g., JMSCorrelationID, JMSReplyTo, 
JMSDestination, etc.) which results in a lot of warnings in our logs 
(due to 
https://github.com/apache/camel/blob/master/camel-core/src/main/java/org/apache/camel/impl/DefaultExchangeHolder.java#L358). 

Is there any recommendation how to deal with that (except of setting the 
log level of DefaultExchangeHolder to error :) or will that change in 
the future again?

Furthermore, the ticket says that only primitive headers/properties 
should be transferred, but according to the code it is checked whether 
the header value is Serializable 
(https://github.com/apache/camel/blob/master/camel-core/src/main/java/org/apache/camel/impl/DefaultExchangeHolder.java#L240). 
This seems somehow confusing to me.

Thanks and best regards,
Marco Zapletal