我正在尝试通过WSO2 ei消耗Soap Web服务。使用wso2调用Web服务时，请获取异常。 在WSO2中，此Web服务的创建类似于代理服务-传递服务，并且仅将入站消息发送到端点地址，而无需任何转换。
但是，如果我的客户在没有wso2的情况下直接调用Web服务，那就可以了。
这是wso2 ei日志：
[2018-06-28 08:35:53,701] [EI-Core] ERROR - RelayUtils Error while building Passthrough stream
org.apache.axiom.om.OMException: com.ctc.wstx.exc.WstxUnexpectedCharException: Unexpected character '"' (code 34) in DOCTYPE declaration; expected a space between public and system identifiers
at [row,col {unknown-source}]: [1,50]
at org.apache.axiom.om.impl.builder.StAXOMBuilder.next(StAXOMBuilder.java:296)
at org.apache.axiom.soap.impl.builder.StAXSOAPModelBuilder.getSOAPEnvelope(StAXSOAPModelBuilder.java:204)
at org.apache.axiom.soap.impl.builder.StAXSOAPModelBuilder.<init>(StAXSOAPModelBuilder.java:154)
at org.apache.axiom.om.impl.AbstractOMMetaFactory.createStAXSOAPModelBuilder(AbstractOMMetaFactory.java:73)
at org.apache.axiom.om.impl.AbstractOMMetaFactory.createSOAPModelBuilder(AbstractOMMetaFactory.java:79)
at org.apache.axiom.om.OMXMLBuilderFactory.createSOAPModelBuilder(OMXMLBuilderFactory.java:196)
at org.apache.axis2.builder.SOAPBuilder.processDocument(SOAPBuilder.java:65)
at org.apache.synapse.transport.passthru.util.DeferredMessageBuilder.getDocument(DeferredMessageBuilder.java:177)
at org.apache.synapse.transport.passthru.util.RelayUtils.builldMessage(RelayUtils.java:155)
at org.apache.synapse.transport.passthru.util.RelayUtils.buildMessage(RelayUtils.java:108)
at org.apache.synapse.core.axis2.Axis2Sender.doSOAPFormatConversion(Axis2Sender.java:352)
at org.apache.synapse.core.axis2.Axis2Sender.sendBack(Axis2Sender.java:214)
at org.apache.synapse.core.axis2.Axis2SynapseEnvironment.send(Axis2SynapseEnvironment.java:531)
at org.apache.synapse.mediators.builtin.SendMediator.mediate(SendMediator.java:118)
at org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:97)
at org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:59)
at org.apache.synapse.mediators.base.SequenceMediator.mediate(SequenceMediator.java:158)
at org.apache.synapse.core.axis2.Axis2SynapseEnvironment.injectMessage(Axis2SynapseEnvironment.java:337)
at org.apache.synapse.core.axis2.SynapseCallbackReceiver.handleMessage(SynapseCallbackReceiver.java:531)
at org.apache.synapse.core.axis2.SynapseCallbackReceiver.receive(SynapseCallbackReceiver.java:188)
at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:180)
at org.apache.synapse.transport.passthru.ClientWorker.run(ClientWorker.java:262)
at org.apache.axis2.transport.base.threads.NativeWorkerPool$1.run(NativeWorkerPool.java:172)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
谢谢， 何塞·路易斯