我有一些问题。我是 ESB 的新手,我只是尝试 WSO2 ESB。我想尝试有关 wso2 ESB 聚合器的示例,以聚合两个 Web 服务。
http://docs.wso2.org/display/IntegrationPatterns/Aggregator
我已经完成了所有步骤。但我得到一些错误。
==================
[2013-09-06 13:19:14,987] ERROR - AggregateMediator Error evaluating expression:
//m0:getQuoteResponse
org.apache.synapse.SynapseException: Could not find matching elements to aggrega
te.
at org.apache.synapse.mediators.eip.EIPUtils.enrichEnvelope(EIPUtils.jav
a:148)
at org.apache.synapse.mediators.eip.aggregator.AggregateMediator.getAggr
egatedMessage(AggregateMediator.java:398)
at org.apache.synapse.mediators.eip.aggregator.AggregateMediator.complet
eAggregate(AggregateMediator.java:345)
at org.apache.synapse.mediators.eip.aggregator.AggregateMediator.mediate
(AggregateMediator.java:290)
at org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractLis
tMediator.java:71)
at org.apache.synapse.mediators.base.SequenceMediator.mediate(SequenceMe
diator.java:114)
at org.apache.synapse.core.axis2.Axis2SynapseEnvironment.injectMessage(A
xis2SynapseEnvironment.java:239).....
=============
任何人都可以帮助我吗?
谢谢。