我试图将WSO2配置为使用来自ActiveMQ的消息,并且在处理过程中出现错误时(通常是对远程Web服务的调用失败时)重新进行请求。WSO2中的JMS消费者事务
<proxy name="SimpleStockQuoteService" transports="jms" startOnLoad="true">
<target>
<inSequence onError="JSMErrorHandling">
<log level="full"/>
<send>
<endpoint>
<address uri="http://localhost/testapp"/>
</endpoint>
</send>
<log level="full"/>
<log level="custom">
<property name="Custom log" value="End In Sequence"/>
</log>
</inSequence>
<outSequence>
...
</outSequence>
</target>
</proxy>
<sequence name="JSMErrorHandling">
<log level="custom">
<property name="Error" value="Error executing sequence"/>
</log>
<property name="SET_ROLLBACK_ONLY" value="true" scope="axis2"/>
<drop/>
</sequence>
ActiveMQ是在axis2.xml配置成与属性transport.jms.SessionTransacted设置为true。
当远程URL的格式无效(例如使用错误的协议)时,JMS回滚/重新传送/ [重定向到死信]功能将按预期工作。 但是,如果我停止远程Web服务器或使用invlaid服务器名称,则不会重新发送消息,尽管错误由JMSErrorHandling序列处理。
下面是从日志
[2013-06-04 12:17:47,810] INFO - LogMediator To: , WSAction: urn:mediate, SOAPAction: urn:mediate, MessageID: ID:GCHESNEL764-57101-1370344525419-9:1:1:1:1, Direction: request, Envelope: <?xml ver
[2013-06-04 12:17:47,813] INFO - LogMediator To: , WSAction: urn:mediate, SOAPAction: urn:mediate, MessageID: ID:GCHESNEL764-57101-1370344525419-9:1:1:1:1, Direction: request, Envelope: <?xml ver
[2013-06-04 12:17:47,814] INFO - LogMediator Custom log = End In Sequence
[2013-06-04 12:17:48,818] WARN - ConnectCallback Connection refused or failed for : localhost/127.0.0.1:80
[2013-06-04 12:17:48,821] WARN - EndpointContext Endpoint : endpoint_413907dd1d4e2370ea0ae277fbfebcaf6504f196a11459bb will be marked SUSPENDED as it failed
[2013-06-04 12:17:48,823] WARN - EndpointContext Suspending endpoint : endpoint_413907dd1d4e2370ea0ae277fbfebcaf6504f196a11459bb - current suspend duration is : 30000ms - Next retry after : Tue J
[2013-06-04 12:17:48,824] INFO - LogMediator Error = Error executing sequence
它看起来像WSO2正在HTTP调用和异步请求之前,是失败的JMS事务被提交一个摘录。这种行为可以配置吗?
如果需要进一步处理 - 即链接远程服务调用 - 如何确保JMS事务在out序列中保持打开状态,以便在后期发生错误时可以回滚它?
最后,如果WSO2服务在处理过程中被关闭,则不会重新发送消息。有没有在这里提出的配置的替代方法:http://docs.wso2.org/wiki/display/ESB460/JMS+FAQ#JMSFAQ-Howtopreventmessagelossduetounavailabilityofadatasource
纪尧姆
这不回答这个问题,它只是一个推WSO2 EIP模式。 – SKYWALKR