如何使用vm事务实现ftp出站端点的重试机制? [英] how to achieve retry mechanism for ftp outbound end point using vm transaction?

问题描述

我们尝试像在流1中将vm用作出站，在流2中将vm用作入站.在flow2中，我们使用FTP作为出站端点，并且启用了vm事务，即使它也无法正常工作.我们需要启用事务重试吗?根据以下问题，我们尝试使用事务

We have tried like using vm as outbound in flow1 and inbound in flow2. In flow2 we are using FTP as outbound end point and we have enabled the vm transaction even then also its not working. Do we need to enable transaction for retrying? As per below question we tried using transaction how to make until successful as synchronous to retry mechanism for FTP Outbound in mule 3.4.2 could you please help me out in resolving this issue??

<flow name="FTPFlow1" doc:name="FTPFlow1">
            <set-payload doc:name="Set Payload" value="#[payload]"/>
            <vm:outbound-endpoint exchange-pattern="one-way"  doc:name="VM" path="doProcess">
                <vm:transaction action="ALWAYS_BEGIN"/>
            </vm:outbound-endpoint>
        </flow> 
        <flow name="FTPFlow2" doc:name="FTPFlow2">
            <vm:inbound-endpoint exchange-pattern="one-way" path="doProcessMessage" doc:name="VM">
                <vm:transaction action="JOIN_IF_POSSIBLE"/>
            </vm:inbound-endpoint>
            <ftp:outbound-endpoint host="localhost" port="21" path="/data/mule/ftp" user="admin" password="admin" responseTimeout="10000" doc:name="FTP"/>
        </flow>

推荐答案

您错了事务:不需要处理VM出站，需要VM入站才能触发重新交付FTP故障.

You've got the transactions wrong: the VM outbound doesn't need to be transacted, it's the VM inbound that needs to in order to trigger redeliveries in case of FTP failures.

<flow name="FTPFlow1" doc:name="FTPFlow1">
    <set-payload doc:name="Set Payload" value="#[payload]"/>
    <vm:outbound-endpoint exchange-pattern="one-way"  doc:name="VM" path="doProcess" />
</flow> 
<flow name="FTPFlow2" doc:name="FTPFlow2">
    <vm:inbound-endpoint exchange-pattern="one-way" path="doProcessMessage" doc:name="VM">
        <vm:transaction action="ALWAYS_BEGIN"/>
    </vm:inbound-endpoint>
    <ftp:outbound-endpoint host="localhost" port="21" path="/data/mule/ftp" user="admin" password="admin" responseTimeout="10000" doc:name="FTP"/>
</flow>

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