Provided details are not sufficient to make any clue about this issue. Since the execution flow reach to RPCInOnlyMessageReceiver#invokeBusinessLogic method most probably service method written by you can cause this NullPointerException.
Thanks ! On Tue, Mar 20, 2012 at 3:04 PM, metin d <[email protected]> wrote: > When I try to call a service, I got this exception. Do you have any idea > about the cause ? > > java.lang.NullPointerException > at > org.apache.axis2.rpc.receivers.RPCInOnlyMessageReceiver.invokeBusinessLogic(RPCInOnlyMessageReceiver.java:88) > at > org.apache.axis2.receivers.AbstractMessageReceiver.receive(AbstractMessageReceiver.java:110) > at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:181) > at > org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:172) > at org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:146) > at > org.wso2.carbon.core.transports.CarbonServlet.doPost(CarbonServlet.java:199) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:641) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:722) > at > org.eclipse.equinox.http.servlet.internal.ServletRegistration.handleRequest(ServletRegistration.java:90) > at > org.eclipse.equinox.http.servlet.internal.ProxyServlet.processAlias(ProxyServlet.java:111) > at > org.eclipse.equinox.http.servlet.internal.ProxyServlet.service(ProxyServlet.java:67) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:722) > at org.wso2.carbon.bridge.BridgeServlet.service(BridgeServlet.java:164) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:722) > at sun.reflect.GeneratedMethodAccessor27.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:273) > at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:270) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAsPrivileged(Subject.java:517) > at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:305) > at > org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:165) > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:298) > at > org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:57) > at > org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:193) > at > org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:189) > at java.security.AccessController.doPrivileged(Native Method) > at > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) > at > org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240) > at > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:164) > at > org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:462) > at > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164) > at > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100) > at > org.wso2.carbon.server.CarbonStuckThreadDetectionValve.invoke(CarbonStuckThreadDetectionValve.java:154) > at org.wso2.carbon.server.TomcatServer$1.invoke(TomcatServer.java:254) > at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:563) > at > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) > at > org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:399) > at > org.apache.coyote.http11.Http11NioProcessor.process(Http11NioProcessor.java:396) > at > org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:356) > at > org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1534) > at > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) > at java.lang.Thread.run(Thread.java:705) > > > _______________________________________________ > Dev mailing list > [email protected] > http://wso2.org/cgi-bin/mailman/listinfo/dev > -- Sagara Gunathunga Technical Lead; WSO2, Inc.; http://wso2.com Blog - http://ssagara.blogspot.com _______________________________________________ Dev mailing list [email protected] http://wso2.org/cgi-bin/mailman/listinfo/dev
