Thanks for the reply. The messages were missing across all clients.
Not sure what you referring to about Camel Ack mode. I add the Camel file using an import in the ActiveMQ file <broker> ... </broker> <import resource="ESBRoute1.xml"/> Here is my Camel Code: <beans xmlns="http://www.springframework.org/schema/beans" 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://camel.apache.org/schema/spring http://camel.apache.org/schema/spring/camel-spring.xsd http://activemq.apache.org/schema/core http://activemq.apache.org/schema/core/activemq-core.xsd"> <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"> <property name="locations"> <value>file:${activemq.conf}/credentials.properties</value> </property> </bean> <bean id="myDeadLetterErrorHandler" class="org.apache.camel.builder.DeadLetterChannelBuilder"> <property name="deadLetterUri" value="jms:queue:dead"/> <property name="redeliveryPolicy" ref="myRedeliveryPolicyConfig"/> </bean> <bean id="myRedeliveryPolicyConfig" class="org.apache.camel.processor.RedeliveryPolicy"> <property name="maximumRedeliveries" value="3"/> <property name="redeliveryDelay" value="5000"/> </bean> <camelContext id="esbRoute1" trace="true" streamCache="true" xmlns="http://camel.apache.org/schema/spring" xmlns:km="http://xsdrepo.foundationmedicine.com/messaging/esb"> <route errorHandlerRef="myDeadLetterErrorHandler"> <from uri="activemq:queue:esb.*"/> <doTry> <to uri="validator:http://xsdrepo.foundationmedicine.com/messaging/esb/ESBMessageV3.xsd"/> <setHeader headerName="Route1"> <xpath resultType="String">/km:FMIMessage/km:Header/km:Route/text()</xpath> </setHeader> <recipientList delimiter="false"> <header>Route1</header> </recipientList> <doCatch> <exception>org.apache.camel.ValidationException</exception> <onWhen> <simple>${exception.message}</simple> </onWhen> <to uri="activemq:queue:invalid.schema"/> </doCatch> </doTry> </route> </camelContext> </beans> -- View this message in context: http://activemq.2283324.n4.nabble.com/Help-with-a-Failover-testing-that-shows-missing-messages-tp4707916p4707937.html Sent from the ActiveMQ - User mailing list archive at Nabble.com.