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Logging Interceptor

The Logging Interceptor is a pretty trivial Interceptor which just logs to Jakarta Commons Logging or log4j as messages are sent or acknowledged on a broker.

The default logging level used is INFO. If you want to increase/reduce the logging you can use change it via commons logging or log4j.

As of version 5.3 the logging Interceptor is more configurable. The idea is to log all events but be able to turn off logging for certain event groups by configuration.

Currently the following groups are supported:

Attribute

Description

Default Value

logAll

Log all Events

false

logConnectionEvents

Events related to connections and sessions

true

logTransactionEvents

Events related to transaction handling

false

logConsumerEvents

Events related to consuming messages

false

logProducerEvents

Events related to producing messages

false

logInternalEvents

Events normally not of Interest for users like failover, querying internal objects etc

false

logSessionEvents

Events related to adding and removing sessions

true

Only connection events logging is enabled by default.

You can enable the logging interceptor using the following XML configuration. This example enables all logging and disables the connection event logging:

<beans 
  xmlns="http://www.springframework.org/schema/beans" 
  xmlns:amq="http://activemq.apache.org/schema/core"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
  http://activemq.apache.org/schema/core http://activemq.apache.org/schema/core/activemq-core.xsd">
  <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"/>
  <broker useJmx="false" persistent="false" xmlns="http://activemq.apache.org/schema/core">
    <plugins>
    
      <!-- lets enable detailed logging in the broker but ignore ConnectionEvents -->
      <loggingBrokerPlugin logAll="true" logConnectionEvents="false"/>
      
      <timeStampingBrokerPlugin zeroExpirationOverride="1000" ttlCeiling="60000" futureOnly="true"/>    
      <traceBrokerPathPlugin/>
      
    </plugins>
  </broker>
</beans>
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