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From "Matthieu Riou" <matth...@offthelip.org>
Subject Re: Error when invoke Web service from BPEL
Date Wed, 29 Oct 2008 14:23:40 GMT
On Tue, Oct 28, 2008 at 1:27 PM, binh nguyen <linhtinh0274@gmail.com> wrote:

> Hi everyone,
> I have a Web Service having the operation *reverse* to reverse a string.
> This WS works well when tried with a Java program client, but when invoked
> from a BPEL,
> I encounter the following error (I use ODE 1.2 for BPEL Engine run in
> Tomcat
> 5.5;
> I tried to deploy the Web service in both Tomcat 5.5 and 6 but the same
> error):
>

This error seems to be happening in your code
(NewWS.NewWebServiceFromWSDL.reverse), I would try to see what's wrong with
the message you receive. Enabling httpclient debug logging could help:

*log4j*.*category*.org.apache.commons.*httpclient* = DEBUG

Matthieu


> Oct 29, 2008 7:12:25 AM com.sun.xml.ws.server.sei.EndpointMethodHandler
> invoke
> SEVERE: null
> java.lang.NullPointerException
>        at
> NewWS.NewWebServiceFromWSDL.reverse(NewWebServiceFromWSDL.java:21)
>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>        at
>
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>        at
>
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>        at java.lang.reflect.Method.invoke(Method.java:597)
>        at
>
> com.sun.xml.ws.api.server.InstanceResolver$1.invoke(InstanceResolver.java:246)
>        at com.sun.xml.ws.server.InvokerTube$2.invoke(InvokerTube.java:146)
>        at
>
> com.sun.xml.ws.server.sei.EndpointMethodHandler.invoke(EndpointMethodHandler.java:257)
>        at
>
> com.sun.xml.ws.server.sei.SEIInvokerTube.processRequest(SEIInvokerTube.java:93)
>        at com.sun.xml.ws.api.pipe.Fiber.__doRun(Fiber.java:598)
>        at com.sun.xml.ws.api.pipe.Fiber._doRun(Fiber.java:557)
>        at com.sun.xml.ws.api.pipe.Fiber.doRun(Fiber.java:542)
>        at com.sun.xml.ws.api.pipe.Fiber.runSync(Fiber.java:439)
>        at
> com.sun.xml.ws.server.WSEndpointImpl$2.process(WSEndpointImpl.java:243)
>        at
>
> com.sun.xml.ws.transport.http.HttpAdapter$HttpToolkit.handle(HttpAdapter.java:444)
>        at
> com.sun.xml.ws.transport.http.HttpAdapter.handle(HttpAdapter.java:244)
>        at
>
> com.sun.xml.ws.transport.http.servlet.ServletAdapter.handle(ServletAdapter.java:135)
>        at
>
> com.sun.xml.ws.transport.http.servlet.WSServletDelegate.doGet(WSServletDelegate.java:129)
>        at
>
> com.sun.xml.ws.transport.http.servlet.WSServletDelegate.doPost(WSServletDelegate.java:160)
>        at
> com.sun.xml.ws.transport.http.servlet.WSServlet.doPost(WSServlet.java:75)
>        at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
>        at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
>        at
>
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
>        at
>
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>        at
>
> org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:390)
>        at
>
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
>        at
>
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>        at
>
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
>        at
>
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
>        at
>
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
>        at
>
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
>        at
>
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
>        at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
>        at
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
>        at
>
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
>        at
> org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
>        at java.lang.Thread.run(Thread.java:619)
>
> Any one have any idea about the reason of this error, please let me know.
> Thank you!
> Binh.
>

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