Retrieving the WSDL for a proxy service without publishWSDL causes
NullPointerException
----------------------------------------------------------------------------------------
Key: SYNAPSE-366
URL: https://issues.apache.org/jira/browse/SYNAPSE-366
Project: Synapse
Issue Type: Bug
Affects Versions: 1.2
Reporter: Andreas Veithen
Priority: Minor
Fix For: 1.3
Example proxy service definition:
<proxy name="confirm">
<target>
<inSequence>
<drop/>
</inSequence>
</target>
</proxy>
When trying to retrieve the WSDL using http://localhost:8080/soap/confirm?wsdl,
the following exception is triggered:
org.apache.axis2.AxisFault
at org.apache.axis2.AxisFault.makeFault(AxisFault.java:430)
at org.apache.axis2.description.AxisService.getWSDL(AxisService.java:1471)
at org.apache.axis2.description.AxisService.printWSDL(AxisService.java:1334)
at
org.apache.synapse.transport.nhttp.ServerWorker.processGet(ServerWorker.java:341)
at
org.apache.synapse.transport.nhttp.ServerWorker.run(ServerWorker.java:192)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
at java.lang.Thread.run(Thread.java:613)
Caused by: java.lang.NullPointerException
at
com.ctc.wstx.sw.BaseNsStreamWriter.doWriteAttr(BaseNsStreamWriter.java:468)
at
com.ctc.wstx.sw.BaseNsStreamWriter.writeAttribute(BaseNsStreamWriter.java:230)
at
org.apache.axiom.om.impl.MTOMXMLStreamWriter.writeAttribute(MTOMXMLStreamWriter.java:184)
at
org.apache.axiom.om.impl.util.OMSerializerUtil.serializeStartpart(OMSerializerUtil.java:473)
at
org.apache.axiom.om.impl.util.OMSerializerUtil.serializeStartpart(OMSerializerUtil.java:227)
at
org.apache.axiom.om.impl.llom.OMElementImpl.internalSerialize(OMElementImpl.java:915)
at
org.apache.axiom.om.impl.llom.OMElementImpl.internalSerialize(OMElementImpl.java:903)
at
org.apache.axiom.om.impl.llom.OMElementImpl.internalSerialize(OMElementImpl.java:919)
at
org.apache.axiom.om.impl.llom.OMElementImpl.internalSerialize(OMElementImpl.java:903)
at org.apache.axiom.om.impl.llom.OMNodeImpl.serialize(OMNodeImpl.java:375)
at org.apache.axiom.om.impl.llom.OMNodeImpl.serialize(OMNodeImpl.java:415)
at
org.apache.axis2.util.XMLPrettyPrinter.prettify(XMLPrettyPrinter.java:136)
at org.apache.axis2.description.AxisService.getWSDL(AxisService.java:1467)
... 6 more
This then causes the following error:
2008-06-18 19:06:54,513 [192.168.1.5-orcus.veithen.net] [HttpServerWorker-5]
ERROR ServerHandler Unexpected HTTP protocol error : Transfer-encoding header
already present
org.apache.http.ProtocolException: Transfer-encoding header already present
at org.apache.http.protocol.ResponseContent.process(ResponseContent.java:67)
at
org.apache.http.protocol.BasicHttpProcessor.process(BasicHttpProcessor.java:304)
at
org.apache.synapse.transport.nhttp.ServerHandler.commitResponse(ServerHandler.java:212)
at
org.apache.synapse.transport.nhttp.HttpCoreNIOSender.sendAsyncResponse(HttpCoreNIOSender.java:394)
at
org.apache.synapse.transport.nhttp.HttpCoreNIOSender.invoke(HttpCoreNIOSender.java:249)
at org.apache.axis2.engine.AxisEngine.sendFault(AxisEngine.java:530)
at
org.apache.synapse.transport.nhttp.ServerWorker.handleException(ServerWorker.java:489)
at
org.apache.synapse.transport.nhttp.ServerWorker.processGet(ServerWorker.java:344)
at
org.apache.synapse.transport.nhttp.ServerWorker.run(ServerWorker.java:192)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
at java.lang.Thread.run(Thread.java:613)
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