[ERROR] The endpoint reference (EPR) for the Operation not found is /axis2/services/JsonService and the WSA Action = null

Hi.

When testing samples\json (with Tomcat 9.0.10 and Axis2 1.7.8), there's 
following error in Tomcat's log file catalina-daemon.out


[ERROR] The endpoint reference (EPR) for the Operation not found is 
/axis2/services/JsonService and the WSA Action = null. If this EPR was 
previously reachable, please contact the server administrator.
org.apache.axis2.AxisFault: The endpoint reference (EPR) for the 
Operation not found is /axis2/services/JsonService and the WSA Action = 
null. If this EPR was previously reachable, please contact the server 
administrator.
     at 
org.apache.axis2.engine.DispatchPhase.checkPostConditions(DispatchPhase.java:118)
     at org.apache.axis2.engine.Phase.invoke(Phase.java:324)
     at org.apache.axis2.engine.AxisEngine.invoke(AxisEngine.java:250)
     at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:156)
     at 
org.apache.axis2.transport.http.util.RESTUtil.invokeAxisEngine(RESTUtil.java:242)
     at 
org.apache.axis2.transport.http.util.RESTUtil.processURLRequest(RESTUtil.java:184)
     at 
org.apache.axis2.transport.http.AxisServlet$RestRequestProcessor.processURLRequest(AxisServlet.java:869)
     at 
org.apache.axis2.transport.http.AxisServlet.doGet(AxisServlet.java:290)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
     at 
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
     at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)
     at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
     at 
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:491)
     at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
     at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
     at 
org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:668)
     at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
     at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
     at 
org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)
     at 
org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
     at 
org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:764)
     at 
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1388)
     at 
org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
     at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1135)
     at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
     at 
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
     at java.base/java.lang.Thread.run(Thread.java:844)

-- 
Jirka Ylönen
Infotripla Oy
Aleksis Kiven katu 10 E, 33210 Tampere, Finland
[email protected]
Mobile +358 45 1180 507