not able to call a service from another service
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Key: AXIS2-2231
URL: https://issues.apache.org/jira/browse/AXIS2-2231
Project: Axis 2.0 (Axis2)
Issue Type: Bug
Environment: windows xp
Reporter: Shree Rangan
I have a POJO exposed as a Webservice using Axis2. I have tested this
service using RPCServiceClient and it works fine. This service needs to talk to
other services which are also POJO's exposed as Webservices using Axis2. The
other services also work fine when invoked by RPCServiceClient mechanism. But
if I invoke those services from my Axis2 service using the same mechanism of
RPCServiceClient mechanism, it gives me the following exception.
java.lang.reflect.InvocationTargetException
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:585)
at
org.apache.axis2.rpc.receivers.RPCMessageReceiver.invokeBusinessLogic(RPCMessageReceiver.java:118)
at
org.apache.axis2.receivers.AbstractInOutSyncMessageReceiver.receive(AbstractInOutSyncMessageReceiver.java:39)
at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:493)
at
org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:319)
at
org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:247)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
at
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
at
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
at
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
at java.lang.Thread.run(Thread.java:595)
Caused by: java.lang.NullPointerException
at
org.apache.axis2.context.MessageContext.isHeaderPresent(MessageContext.java:1054)
at
org.apache.axis2.handlers.addressing.AddressingInHandler.invoke(AddressingInHandler.java:72)
at org.apache.axis2.engine.Phase.invoke(Phase.java:381)
at org.apache.axis2.engine.AxisEngine.invoke(AxisEngine.java:518)
at org.apache.axis2.engine.AxisEngine.receiveFault(AxisEngine.java:596)
at
org.apache.axis2.description.RobustOutOnlyAxisOperation$RobustOperationClient.send(RobustOutOnlyAxisOperation.java:99)
at
org.apache.axis2.description.OutInAxisOperationClient.execute(OutInAxisOperation.java:295)
at
org.apache.axis2.client.ServiceClient.sendRobust(ServiceClient.java:453)
at
org.apache.axis2.client.ServiceClient.sendRobust(ServiceClient.java:380)
at
org.apache.axis2.rpc.client.RPCServiceClient.invokeRobust(RPCServiceClient.java:131)
at sample.pojo.service.JaguarService.meth2(Unknown Source)
... 25 more
here, i am calling meth2(the first service) from the client using
RPCServiceClient.
from meth2 i am calling meth3(the second service) using RPCServiceClient again.
the services work fine independently, when invoked from within a client.
the exception is only when the second service is invoked from within another
service.
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