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我在 Apple 工作,我们正在使用带有数据服务功能的 WSO2 ESB 开发原型。我正在使用具有DSS功能的WSO2 ESB 4.0.3 。我已经部署了数据服务并从 ESB 中的代理服务调用数据服务。我使用的是MAC OS X 10.7.4,java 版本详细信息如下。

java 版本“1.6.0_31”Java(TM) SE 运行时环境(内部版本 1.6.0_31-b04-415-11M3635)Java HotSpot(TM) 64 位服务器 VM(内部版本 20.6-b01-415,混合模式)

我的 DS 服务需要某些参数,比如参数 A,但我没有在输入 XML 中传递该参数,我在 WSO2 ESB 控制台上看到以下错误。

[2012-06-07 09:49:11,348] ERROR - DataService DS Fault Message: Error in 'CallQuery.extractParams', cannot find parameter with type:query-param name:Hw_Serial_Nr
DS Code: INCOMPATIBLE_PARAMETERS_ERROR
Source Data Service:-
Name: OWCHECK
Location: /TQS_OWCHECK.dbs
Description: N/A
Default Namespace: http://ws.wso2.org/dataservice
Current Request Name: OWCHECK_OP
Current Params: {COUNTRYORIGIN=US, SUBDT=20090428}

DS Fault Message: Error in 'CallQuery.extractParams', cannot find parameter with type:query-param name:Hw_Serial_Nr
DS Code: INCOMPATIBLE_PARAMETERS_ERROR
Source Data Service:-
Name: OWCHECK
Location: /TQS_OWCHECK.dbs
Description: N/A
Default Namespace: http://ws.wso2.org/dataservice
Current Request Name: OWCHECK_OP
Current Params: {COUNTRYORIGIN=US, SUBDT=20090428}

    at org.wso2.carbon.dataservices.core.engine.CallQuery.extractParams(CallQuery.java:214)
    at org.wso2.carbon.dataservices.core.engine.CallQuery.execute(CallQuery.java:183)
    at org.wso2.carbon.dataservices.core.engine.CallQueryGroup.execute(CallQueryGroup.java:110)
    at org.wso2.carbon.dataservices.core.description.operation.Operation.execute(Operation.java:71)
    at org.wso2.carbon.dataservices.core.engine.DataService.invoke(DataService.java:592)
    at org.wso2.carbon.dataservices.core.engine.DSOMDataSource.execute(DSOMDataSource.java:99)
    at org.wso2.carbon.dataservices.core.engine.DSOMDataSource.serialize(DSOMDataSource.java:110)
    at org.wso2.carbon.dataservices.core.engine.DSOMDataSource.getReader(DSOMDataSource.java:116)
    at org.apache.axiom.om.impl.llom.OMSourcedElementImpl.getDirectReader(OMSourcedElementImpl.java:225)
    at org.apache.axiom.om.impl.llom.OMSourcedElementImpl.forceExpand(OMSourcedElementImpl.java:254)
    at org.apache.axiom.om.impl.llom.OMSourcedElementImpl.getFirstOMChild(OMSourcedElementImpl.java:867)
    at org.apache.axiom.om.impl.OMNavigator._getFirstChild(OMNavigator.java:196)
    at org.apache.axiom.om.impl.OMNavigator.updateNextNode(OMNavigator.java:140)
    at org.apache.axiom.om.impl.OMNavigator.getNext(OMNavigator.java:112)
    at org.apache.axiom.om.impl.SwitchingWrapper.updateNextNode(SwitchingWrapper.java:1113)
    at org.apache.axiom.om.impl.SwitchingWrapper.updateLastNode(SwitchingWrapper.java:1104)
    at org.apache.axiom.om.impl.SwitchingWrapper.next(SwitchingWrapper.java:1041)
    at javax.xml.stream.util.StreamReaderDelegate.next(StreamReaderDelegate.java:47)
    at org.apache.axiom.om.impl.builder.StAXOMBuilder.parserNext(StAXOMBuilder.java:681)
    at org.apache.axiom.om.impl.builder.StAXOMBuilder.next(StAXOMBuilder.java:214)
    at org.apache.axiom.om.impl.llom.OMSerializableImpl.build(OMSerializableImpl.java:78)
    at org.apache.axiom.om.impl.llom.OMElementImpl.build(OMElementImpl.java:722)
    at org.apache.axiom.om.impl.llom.OMElementImpl.cloneOMElement(OMElementImpl.java:1065)
    at org.wso2.carbon.tracer.module.handler.AbstractTracingHandler.storeMessage(AbstractTracingHandler.java:81)
    at org.wso2.carbon.tracer.module.handler.TracingMessageOutObservationHandler.invoke(TracingMessageOutObservationHandler.java:94)
    at org.apache.axis2.engine.Phase.invokeHandler(Phase.java:340)
    at org.apache.axis2.engine.Phase.invoke(Phase.java:313)
    at org.apache.axis2.engine.AxisEngine.invoke(AxisEngine.java:262)
    at org.apache.axis2.engine.AxisEngine.send(AxisEngine.java:427)
    at org.apache.axis2.receivers.AbstractInOutSyncMessageReceiver.invokeBusinessLogic(AbstractInOutSyncMessageReceiver.java:45)
    at org.apache.axis2.receivers.AbstractMessageReceiver.receive(AbstractMessageReceiver.java:110)
    at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:181)
    at org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:172)
    at org.apache.synapse.transport.nhttp.ServerWorker.processEntityEnclosingMethod(ServerWorker.java:409)
    at org.apache.synapse.transport.nhttp.ServerWorker.run(ServerWorker.java:261)
    at org.apache.axis2.transport.base.threads.NativeWorkerPool$1.run(NativeWorkerPool.java:173)
    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
    at java.lang.Thread.run(Thread.java:680)
[2012-06-07 09:49:11,352] ERROR - OMSourcedElementImpl Could not get parser from data source for element {http://ws.wso2.org/dataservice}EVENT
javax.xml.stream.XMLStreamException: DS Fault Message: Error in 'CallQuery.extractParams', cannot find parameter with type:query-param name:Hw_Serial_Nr
DS Code: INCOMPATIBLE_PARAMETERS_ERROR
Source Data Service:-
Name: OWCHECK
Location: /TQS_OWCHECK.dbs
Description: N/A
Default Namespace: http://ws.wso2.org/dataservice
Current Request Name: OWCHECK_OP
Current Params: {COUNTRYORIGIN=US, SUBDT=20090428}

    at org.wso2.carbon.dataservices.core.engine.DSOMDataSource.execute(DSOMDataSource.java:105)
    at org.wso2.carbon.dataservices.core.engine.DSOMDataSource.serialize(DSOMDataSource.java:110)
    at org.wso2.carbon.dataservices.core.engine.DSOMDataSource.getReader(DSOMDataSource.java:116)
    at org.apache.axiom.om.impl.llom.OMSourcedElementImpl.getDirectReader(OMSourcedElementImpl.java:225)
    at org.apache.axiom.om.impl.llom.OMSourcedElementImpl.forceExpand(OMSourcedElementImpl.java:254)
    at org.apache.axiom.om.impl.llom.OMSourcedElementImpl.getFirstOMChild(OMSourcedElementImpl.java:867)
    at org.apache.axiom.om.impl.OMNavigator._getFirstChild(OMNavigator.java:196)
    at org.apache.axiom.om.impl.OMNavigator.updateNextNode(OMNavigator.java:140)
    at org.apache.axiom.om.impl.OMNavigator.getNext(OMNavigator.java:112)
    at org.apache.axiom.om.impl.SwitchingWrapper.updateNextNode(SwitchingWrapper.java:1113)
    at org.apache.axiom.om.impl.SwitchingWrapper.updateLastNode(SwitchingWrapper.java:1104)
    at org.apache.axiom.om.impl.SwitchingWrapper.next(SwitchingWrapper.java:1041)
    at javax.xml.stream.util.StreamReaderDelegate.next(StreamReaderDelegate.java:47)
    at org.apache.axiom.om.impl.builder.StAXOMBuilder.parserNext(StAXOMBuilder.java:681)
    at org.apache.axiom.om.impl.builder.StAXOMBuilder.next(StAXOMBuilder.java:214)
    at org.apache.axiom.om.impl.llom.OMSerializableImpl.build(OMSerializableImpl.java:78)
    at org.apache.axiom.om.impl.llom.OMElementImpl.build(OMElementImpl.java:722)
    at org.apache.axiom.om.impl.llom.OMElementImpl.cloneOMElement(OMElementImpl.java:1065)
    at org.wso2.carbon.tracer.module.handler.AbstractTracingHandler.storeMessage(AbstractTracingHandler.java:81)
    at org.wso2.carbon.tracer.module.handler.TracingMessageOutObservationHandler.invoke(TracingMessageOutObservationHandler.java:94)
    at org.apache.axis2.engine.Phase.invokeHandler(Phase.java:340)
    at org.apache.axis2.engine.Phase.invoke(Phase.java:313)
    at org.apache.axis2.engine.AxisEngine.invoke(AxisEngine.java:262)
    at org.apache.axis2.engine.AxisEngine.send(AxisEngine.java:427)
    at org.apache.axis2.receivers.AbstractInOutSyncMessageReceiver.invokeBusinessLogic(AbstractInOutSyncMessageReceiver.java:45)
    at org.apache.axis2.receivers.AbstractMessageReceiver.receive(AbstractMessageReceiver.java:110)
    at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:181)
    at org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:172)
    at org.apache.synapse.transport.nhttp.ServerWorker.processEntityEnclosingMethod(ServerWorker.java:409)
    at org.apache.synapse.transport.nhttp.ServerWorker.run(ServerWorker.java:261)
    at org.apache.axis2.transport.base.threads.NativeWorkerPool$1.run(NativeWorkerPool.java:173)
    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
    at java.lang.Thread.run(Thread.java:680)
[2012-06-07 09:49:11,355] ERROR - ServerWorker Error processing POST request 
org.apache.axis2.AxisFault: javax.xml.stream.XMLStreamException
    at org.apache.axis2.AxisFault.makeFault(AxisFault.java:430)
    at org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:180)
    at org.apache.synapse.transport.nhttp.ServerWorker.processEntityEnclosingMethod(ServerWorker.java:409)
    at org.apache.synapse.transport.nhttp.ServerWorker.run(ServerWorker.java:261)
    at org.apache.axis2.transport.base.threads.NativeWorkerPool$1.run(NativeWorkerPool.java:173)
    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
    at java.lang.Thread.run(Thread.java:680)
Caused by: org.apache.axiom.om.OMException: javax.xml.stream.XMLStreamException
    at org.apache.axiom.om.impl.builder.StAXOMBuilder.next(StAXOMBuilder.java:296)
    at org.apache.axiom.om.impl.llom.OMSerializableImpl.build(OMSerializableImpl.java:78)
    at org.apache.axiom.om.impl.llom.OMElementImpl.build(OMElementImpl.java:722)
    at org.apache.axiom.om.impl.llom.OMElementImpl.cloneOMElement(OMElementImpl.java:1065)
    at org.wso2.carbon.tracer.module.handler.AbstractTracingHandler.storeMessage(AbstractTracingHandler.java:81)
    at org.wso2.carbon.tracer.module.handler.TracingMessageOutObservationHandler.invoke(TracingMessageOutObservationHandler.java:94)
    at org.apache.axis2.engine.Phase.invokeHandler(Phase.java:340)
    at org.apache.axis2.engine.Phase.invoke(Phase.java:313)
    at org.apache.axis2.engine.AxisEngine.invoke(AxisEngine.java:262)
    at org.apache.axis2.engine.AxisEngine.send(AxisEngine.java:427)
    at org.apache.axis2.receivers.AbstractInOutSyncMessageReceiver.invokeBusinessLogic(AbstractInOutSyncMessageReceiver.java:45)
    at org.apache.axis2.receivers.AbstractMessageReceiver.receive(AbstractMessageReceiver.java:110)
    at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:181)
    at org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:172)
    ... 6 more
Caused by: javax.xml.stream.XMLStreamException
    at org.apache.axiom.om.impl.SwitchingWrapper.updateLastNode(SwitchingWrapper.java:1106)
    at org.apache.axiom.om.impl.SwitchingWrapper.next(SwitchingWrapper.java:1041)
    at javax.xml.stream.util.StreamReaderDelegate.next(StreamReaderDelegate.java:47)
    at org.apache.axiom.om.impl.builder.StAXOMBuilder.parserNext(StAXOMBuilder.java:681)
    at org.apache.axiom.om.impl.builder.StAXOMBuilder.next(StAXOMBuilder.java:214)
    ... 19 more
[2012-06-07 09:49:11,375]  WARN - ClientHandler Received an internal server error : Internal Server Error For : 127.0.0.1:8280 For Request : Axis2Request [Message ID : urn:uuid:55a4d59a-2be2-43ee-99b5-8943b1ff2b91] [Status Completed : true] [Status SendingCompleted : true]

它返回到代理服务的故障消息如何如下

2012-06-07 09:49:11,081 [-] [HttpServerWorker-1] TRACE OWCHECK_RPOXY To: /services/OWCHECK_RPOXY.OWCHECK_RPOXYHttpSoap12Endpoint, WSAction: urn:mediate, SOAPAction: urn:mediate, MessageID: urn:uuid:1f8cb9bf-ab10-40a4-b75d-6b3d4805322c, Direction: request, Envelope: <?xml version='1.0' encoding='utf-8'?><soapenv:Envelope xmlns:soapenv="http://www.w3.org/2003/05/soap-envelope"><soapenv:Body><OWCHECK_OP spec="IDL:com/apple/vitria/idl/sapamr_rfcevents/RfcCallEvents:1.0#Z_WARR_VALIDATION_GROUP"><TAB_SERNHDR><SERIALNR>YM6191TJSCH</SERIALNR><SUBDT>20090428</SUBDT><COUNTRYORIGIN>US</COUNTRYORIGIN></TAB_SERNHDR></OWCHECK_OP></soapenv:Body></soapenv:Envelope>
2012-06-07 09:49:11,398 [-] [HttpClientWorker-1] TRACE OWCHECK_RPOXY To: http://www.w3.org/2005/08/addressing/anonymous, WSAction: , SOAPAction: , MessageID: urn:uuid:55a4d59a-2be2-43ee-99b5-8943b1ff2b91, Direction: response, MESSAGE = In-to-OutSequence !!!!!!!!!!!!!!!!!!!!!!!!!!!!, Envelope: <?xml version='1.0' encoding='utf-8'?><soapenv:Envelope xmlns:soapenv="http://www.w3.org/2003/05/soap-envelope"><soapenv:Body><soapenv:Fault><soapenv:Code><soapenv:Value>soapenv:Receiver</soapenv:Value></soapenv:Code><soapenv:Reason><soapenv:Text xml:lang="en-US">javax.xml.stream.XMLStreamException</soapenv:Text></soapenv:Reason><soapenv:Detail><Exception>org.apache.axis2.AxisFault: javax.xml.stream.XMLStreamException
    at org.apache.axis2.AxisFault.makeFault(AxisFault.java:430)
    at org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:180)
    at org.apache.synapse.transport.nhttp.ServerWorker.processEntityEnclosingMethod(ServerWorker.java:409)
    at org.apache.synapse.transport.nhttp.ServerWorker.run(ServerWorker.java:261)
    at org.apache.axis2.transport.base.threads.NativeWorkerPool$1.run(NativeWorkerPool.java:173)
    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
    at java.lang.Thread.run(Thread.java:680)
Caused by: org.apache.axiom.om.OMException: javax.xml.stream.XMLStreamException
    at org.apache.axiom.om.impl.builder.StAXOMBuilder.next(StAXOMBuilder.java:296)
    at org.apache.axiom.om.impl.llom.OMSerializableImpl.build(OMSerializableImpl.java:78)
    at org.apache.axiom.om.impl.llom.OMElementImpl.build(OMElementImpl.java:722)
    at org.apache.axiom.om.impl.llom.OMElementImpl.cloneOMElement(OMElementImpl.java:1065)
    at org.wso2.carbon.tracer.module.handler.AbstractTracingHandler.storeMessage(AbstractTracingHandler.java:81)
    at org.wso2.carbon.tracer.module.handler.TracingMessageOutObservationHandler.invoke(TracingMessageOutObservationHandler.java:94)
    at org.apache.axis2.engine.Phase.invokeHandler(Phase.java:340)
    at org.apache.axis2.engine.Phase.invoke(Phase.java:313)
    at org.apache.axis2.engine.AxisEngine.invoke(AxisEngine.java:262)
    at org.apache.axis2.engine.AxisEngine.send(AxisEngine.java:427)
    at org.apache.axis2.receivers.AbstractInOutSyncMessageReceiver.invokeBusinessLogic(AbstractInOutSyncMessageReceiver.java:45)
    at org.apache.axis2.receivers.AbstractMessageReceiver.receive(AbstractMessageReceiver.java:110)
    at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:181)
    at org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:172)
    ... 6 more
Caused by: javax.xml.stream.XMLStreamException
    at org.apache.axiom.om.impl.SwitchingWrapper.updateLastNode(SwitchingWrapper.java:1106)
    at org.apache.axiom.om.impl.SwitchingWrapper.next(SwitchingWrapper.java:1041)
    at javax.xml.stream.util.StreamReaderDelegate.next(StreamReaderDelegate.java:47)
    at org.apache.axiom.om.impl.builder.StAXOMBuilder.parserNext(StAXOMBuilder.java:681)
    at org.apache.axiom.om.impl.builder.StAXOMBuilder.next(StAXOMBuilder.java:214)
    ... 19 more
</Exception></soapenv:Detail></soapenv:Fault></soapenv:Body></soapenv:Envelope>

查看 SOAP 错误我必须将错误消息返回给客户端,但即使认为正确的错误消息必须“参数丢失”SOAP 错误的原因文本是“ javax.xml.stream.XMLStreamException

我做错了什么还是DSS中的BUG?

4

2 回答 2

0

通过查看堆栈跟踪,我可以看到您在调用服务时启用了 SOAP 跟踪器,禁用了 SOAP 跟踪器,您应该得到正确的错误消息。

干杯,安佳娜。

于 2012-06-09T04:57:36.523 回答
0

正如错误消息本身所解释的那样,它需要输入参数,而这些参数并未进入请求。可以通过两种方式修复:

  1. 从 ESB 传递空标签而没有值。
  2. 在 DSS 中设置默认值。

第一个选项适用于所有版本,这里是设置默认值的示例。

<payloadFactory media-type="xml">
    <format>
        <ds:DATA_SERVICE_REQUST xmlns:ds="http://ws.wso2.org/dataservice">
            <ds:INPUT_PARAM_1>$1</ds:INPUT_PARAM_1>
        </ds:DATA_SERVICE_REQUST>
    </format>
    <args>
        <arg xmlns:ds="http://ws.wso2.org/dataservice" evaluator="xml" expression="get-property('INPUT_PARAMETER')"/>
    </args>
</payloadFactory>
<call>
    <endpoint>
        <address uri="DSS_END_POINT"/>
   </endpoint>
</call>

对于第二个选项,请检查您的 DSS 版本是否支持空值

最新版本的 DSS 支持查询参数列表中的默认参数值。您能否通过defaultValue="#{NULL}"在数据服务(dbs)文件中添加查询参数列表来尝试一下?

<query id="QUERY-ID" useConfig="DATA-SOURCE-ID">
    <sql>-------------SQL QUERY HERE -----</sql>
    <result ----------- >
        <element ------------ />  
    </result>
    <param defaultValue="#{NULL}" name="PARAM-NAME" ordinal="1" sqlType="INTEGER"/>
</query>

如果此问题仍未解决,那么最好能提供您的 API 详细信息。

于 2017-02-12T23:49:17.543 回答