Hi Lahiru, Similar issue raised in [1] and it has been fixed by Raj.
[1] NPE while application parsing Thanks ! On Wed, Jan 7, 2015 at 1:50 PM, Lahiru Sandaruwan <lahi...@wso2.com> wrote: > Hi, > > $subject, > > I'm running sample, > > https://github.com/rekathiru/grouping-samples/tree/master/dependency_scaling/sample_groups > > Error is, > > [2015-01-07 13:39:58,094] ERROR > {org.apache.axis2.rpc.receivers.RPCInOnlyMessageReceiver} - Exception > occurred while trying to invoke service method addApplication > > java.lang.NullPointerException > > at > org.apache.stratos.autoscaler.applications.parser.DefaultApplicationParser.parseLeafLevelSubscriptions(DefaultApplicationParser.java:347) > > at > org.apache.stratos.autoscaler.applications.parser.DefaultApplicationParser.parseGroup(DefaultApplicationParser.java:511) > > at > org.apache.stratos.autoscaler.applications.parser.DefaultApplicationParser.parseGroups(DefaultApplicationParser.java:415) > > at > org.apache.stratos.autoscaler.applications.parser.DefaultApplicationParser.buildCompositeAppStructure(DefaultApplicationParser.java:198) > > at > org.apache.stratos.autoscaler.applications.parser.DefaultApplicationParser.parse(DefaultApplicationParser.java:107) > > at > org.apache.stratos.autoscaler.services.impl.AutoScalerServiceImpl.addApplication(AutoScalerServiceImpl.java:176) > > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) > > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > > at java.lang.reflect.Method.invoke(Method.java:606) > > at > org.apache.axis2.rpc.receivers.RPCUtil.invokeServiceClass(RPCUtil.java:212) > > at > org.apache.axis2.rpc.receivers.RPCInOnlyMessageReceiver.invokeBusinessLogic(RPCInOnlyMessageReceiver.java:66) > > at > org.apache.axis2.receivers.AbstractMessageReceiver.receive(AbstractMessageReceiver.java:110) > > at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:180) > > 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:231) > > at javax.servlet.http.HttpServlet.service(HttpServlet.java:755) > > at javax.servlet.http.HttpServlet.service(HttpServlet.java:848) > > at > org.eclipse.equinox.http.servlet.internal.ServletRegistration.service(ServletRegistration.java:61) > > at > org.eclipse.equinox.http.servlet.internal.ProxyServlet.processAlias(ProxyServlet.java:128) > > at > org.eclipse.equinox.http.servlet.internal.ProxyServlet.service(ProxyServlet.java:68) > > -- > -- > Lahiru Sandaruwan > Committer and PMC member, Apache Stratos, > Senior Software Engineer, > WSO2 Inc., http://wso2.com > lean.enterprise.middleware > > email: lahi...@wso2.com blog: http://lahiruwrites.blogspot.com/ > linked-in: http://lk.linkedin.com/pub/lahiru-sandaruwan/16/153/146 > > -- Regards, Manula Chathurika Thantriwatte Software Engineer WSO2 Inc. : http://wso2.com lean . enterprise . middleware email : manu...@wso2.com / man...@apache.org phone : +94 772492511 blog : http://manulachathurika.blogspot.com/