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https://issues.apache.org/jira/browse/AXIS2-5753?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15230961#comment-15230961
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Andreas Veithen commented on AXIS2-5753:
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bq. Is there some real reason why exception isn't just thrown anyway including
errors 500 and 400?
Yes, compliance with the SOAP specs. E.g. see section 6.2 of the SOAP 1.1 spec.
> HTTP errors 500 and 400 are not reported appropriately on WS call
> -----------------------------------------------------------------
>
> Key: AXIS2-5753
> URL: https://issues.apache.org/jira/browse/AXIS2-5753
> Project: Axis2
> Issue Type: Bug
> Components: transports
> Affects Versions: 1.6.4, 1.7.1
> Environment: Win32x64, Tomcat7, ODE 1.3.6
> Reporter: Vitaliy Tkachenko
> Priority: Minor
>
> On any WS call made in ODE (for example, I think the same is expected anyway
> using the Axis2) all HTTP errors are reported appropriately e.g. 404 (Page
> Not Found):
> [2016-04-05 14:58:50,788] [ODEServer-18] [ERROR]
> [org.apache.ode.axis2.SoapExternalService$1$1:306] Couldn't call external web
> service 'http://ua007478/error404'.
> Error sending message (mex={PartnerRoleMex#4611686018427387916 [PID
> {http://http}_00000_http_cafb23ab-1f16-4997-a4de-fa2e2913e275---14] calling
> [email protected](...) Status ASYNC}):
> Transport error: 404 Error: Not Found
> org.apache.axis2.AxisFault: Transport error: 404 Error: Not Found
> at
> org.apache.axis2.transport.http.HTTPSender.handleResponse(HTTPSender.java:310)
> at
> org.apache.axis2.transport.http.HTTPSender.sendViaPost(HTTPSender.java:194)
> at org.apache.axis2.transport.http.HTTPSender.send(HTTPSender.java:75)
> at
> org.apache.axis2.transport.http.CommonsHTTPTransportSender.writeMessageWithCommons(CommonsHTTPTransportSender.java:396)
> at
> org.apache.axis2.transport.http.CommonsHTTPTransportSender.invoke(CommonsHTTPTransportSender.java:223)
> at
> com.serena.ode.throttling.SerenaThrottledHTTPTransportSender.invoke(SerenaThrottledHTTPTransportSender.java:43)
> at org.apache.axis2.engine.AxisEngine.send(AxisEngine.java:443)
> at
> org.apache.axis2.description.OutInAxisOperationClient.send(OutInAxisOperation.java:406)
> at
> org.apache.axis2.description.OutInAxisOperationClient.executeImpl(OutInAxisOperation.java:229)
> at
> org.apache.axis2.client.OperationClient.execute(OperationClient.java:165)
> at
> org.apache.ode.axis2.SoapExternalService$1$1.call(SoapExternalService.java:266)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> But only in case of 2 errors 500 (Internal Server Error) and 400 (Bad
> Request) the message is still parsed further which causes
> [WstxUnexpectedCharException: Unexpected character '"'] of course as the
> message contains no message but HTTP error description:
> [2016-04-05 14:57:23,361] [ODEServer-16] [ERROR]
> [org.apache.ode.axis2.SoapExternalService$1$1:306] Couldn't call external web
> service 'http://ua007478/error500'.
> Error sending message (mex={PartnerRoleMex#4611686018427387914 [PID
> {http://http}_00000_http_cafb23ab-1f16-4997-a4de-fa2e2913e275---14] calling
> [email protected](...) Status ASYNC}):
> 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]
> org.apache.axis2.AxisFault: 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.axis2.AxisFault.makeFault(AxisFault.java:430)
> at
> org.apache.axis2.transport.TransportUtils.createSOAPMessage(TransportUtils.java:123)
> at
> org.apache.axis2.transport.TransportUtils.createSOAPMessage(TransportUtils.java:67)
> at
> org.apache.axis2.description.OutInAxisOperationClient.handleResponse(OutInAxisOperation.java:354)
> at
> org.apache.axis2.description.OutInAxisOperationClient.send(OutInAxisOperation.java:421)
> at
> org.apache.axis2.description.OutInAxisOperationClient.executeImpl(OutInAxisOperation.java:229)
> at
> org.apache.axis2.client.OperationClient.execute(OperationClient.java:165)
> at
> org.apache.ode.axis2.SoapExternalService$1$1.call(SoapExternalService.java:266)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: org.apache.axiom.om.DeferredParsingException:
> 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.parserNext(StAXOMBuilder.java:706)
> at
> org.apache.axiom.om.impl.builder.StAXOMBuilder.next(StAXOMBuilder.java:199)
> at
> org.apache.axiom.core.CoreParentNodeSupport.ajc$interMethod$org_apache_axiom_core_CoreParentNodeSupport$org_apache_axiom_core_CoreParentNode$buildNext(CoreParentNodeSupport.aj:58)
> at
> org.apache.axiom.om.impl.llom.OMDocumentImpl.buildNext(OMDocumentImpl.java:1)
> at
> org.apache.axiom.core.CoreParentNodeSupport.ajc$interMethodDispatch1$org_apache_axiom_core_CoreParentNodeSupport$org_apache_axiom_core_CoreParentNode$buildNext(CoreParentNodeSupport.aj)
> at
> org.apache.axiom.core.CoreParentNodeSupport.ajc$interMethod$org_apache_axiom_core_CoreParentNodeSupport$org_apache_axiom_core_CoreParentNode$coreGetFirstChild(CoreParentNodeSupport.aj:75)
> at
> org.apache.axiom.om.impl.llom.OMDocumentImpl.coreGetFirstChild(OMDocumentImpl.java:1)
> at
> org.apache.axiom.core.CoreParentNodeSupport.ajc$interMethodDispatch1$org_apache_axiom_core_CoreParentNodeSupport$org_apache_axiom_core_CoreParentNode$coreGetFirstChild(CoreParentNodeSupport.aj)
> at
> org.apache.axiom.core.CoreDocumentSupport.ajc$interMethod$org_apache_axiom_core_CoreDocumentSupport$org_apache_axiom_core_CoreDocument$coreGetDocumentElement(CoreDocumentSupport.aj:33)
> at
> org.apache.axiom.om.impl.llom.OMDocumentImpl.coreGetDocumentElement(OMDocumentImpl.java:1)
> at
> org.apache.axiom.om.impl.common.AxiomDocumentSupport.ajc$interMethod$org_apache_axiom_om_impl_common_AxiomDocumentSupport$org_apache_axiom_om_impl_common_AxiomDocument$getOMDocumentElement(AxiomDocumentSupport.aj:25)
> at
> org.apache.axiom.om.impl.llom.OMDocumentImpl.getOMDocumentElement(OMDocumentImpl.java:1)
> at
> org.apache.axiom.om.impl.builder.StAXOMBuilder.getDocumentElement(StAXOMBuilder.java:582)
> at
> org.apache.axiom.om.impl.builder.StAXOMBuilder.getDocumentElement(StAXOMBuilder.java:578)
> at
> org.apache.axis2.transport.TransportUtils.createDocumentElement(TransportUtils.java:198)
> at
> org.apache.axis2.transport.TransportUtils.createSOAPMessage(TransportUtils.java:145)
> at
> org.apache.axis2.transport.TransportUtils.createSOAPMessage(TransportUtils.java:108)
> ... 10 more
> Caused by: 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
> com.ctc.wstx.sr.StreamScanner.throwUnexpectedChar(StreamScanner.java:648)
> at
> com.ctc.wstx.sr.BasicStreamReader.startDTD(BasicStreamReader.java:2482)
> at
> com.ctc.wstx.sr.BasicStreamReader.nextFromPrologBang(BasicStreamReader.java:2398)
> at
> com.ctc.wstx.sr.BasicStreamReader.nextFromProlog(BasicStreamReader.java:2058)
> at com.ctc.wstx.sr.BasicStreamReader.next(BasicStreamReader.java:1069)
> at
> org.apache.axiom.util.stax.wrapper.XMLStreamReaderWrapper.next(XMLStreamReaderWrapper.java:225)
> at
> org.apache.axiom.om.impl.builder.StAXOMBuilder.parserNext(StAXOMBuilder.java:691)
> ... 26 more
> This behavior prevents user to proper analyze the cause of the problem with
> the WS - it requires time and efforts to understand that the original problem
> is in e.g. commonly used error 500 means the WS server has some teporarily
> problems.
> I've found that the cause why Axis2 is doing this is the code in the
> org.apache.axis2.transport.http.HTTPSender.handleResponse function (in the
> 1.6.4 or corresponding HTTPSender implementations in the 1.7.1) which derives
> the logic if (statusCode == HttpStatus.SC_INTERNAL_SERVER_ERROR || statusCode
> == HttpStatus.SC_BAD_REQUEST) allowing the message to be parsed (unless non
> blocking API / transport flag is set) instead of throwing exception anyway.
> Is there some real reason why exception isn't just thrown anyway including
> errors 500 and 400?
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