Why do you need to create service stubs if you are in the backend anyway. If I understand your scenario correctly, you can simply do a Java call, importing dashboard packages
Regards, /Nuwan On Wed, Jun 6, 2012 at 10:21 AM, Sinthuja Ragendran <[email protected]>wrote: > > Hi, > > On Wed, Jun 6, 2012 at 10:09 AM, Rajika Kumarasiri <[email protected]>wrote: > >> What prevent you calling the admin service directly ? >> >> > Since I'm using the stub in by BE component to call the admin service, I > thought of using local transport as it's more faster. > > And also If I use http/https, i need credentials to authenticate and get > the session. > > Alternatively, there is no declarative service available for the Dashboard > Service. > > Due to all these, I thought local transport would be better way to call > the stub in my case. > > > Thanks, > Sinthuja. > >> Rajika >> >> On Wed, Jun 6, 2012 at 8:22 AM, Sinthuja Ragendran <[email protected]>wrote: >> >>> Hi All, >>> >>> In my BE component, I need to call some admin services to through stub >>> and I want to use local transport for that. >>> >>> For that, I changed the service url to >>> "local://services/DashboardService" in order to communicate with admin >>> service 'DashboardService', and passed the configuration context which is >>> obtained from ConfigurationContextService - OSGI declarative service. >>> >>> But I'm getting the following exception when I try to invoke a method >>> from the stub. >>> >>> java.lang.NullPointerException >>> at >>> org.apache.axis2.engine.DispatchPhase.fillContextsFromSessionContext(DispatchPhase.java:318) >>> at >>> org.apache.axis2.engine.DispatchPhase.loadContexts(DispatchPhase.java:185) >>> at >>> org.apache.axis2.engine.DispatchPhase.checkPostConditions(DispatchPhase.java:113) >>> at org.apache.axis2.engine.Phase.invoke(Phase.java:329) >>> at org.apache.axis2.engine.AxisEngine.invoke(AxisEngine.java:262) >>> at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:168) >>> at >>> org.apache.axis2.transport.local.LocalTransportReceiver.processMessage(LocalTransportReceiver.java:166) >>> at >>> org.apache.axis2.transport.local.LocalTransportReceiver.processMessage(LocalTransportReceiver.java:79) >>> at >>> org.apache.axis2.transport.local.LocalTransportSender.finalizeSendWithToAddress(LocalTransportSender.java:102) >>> at >>> org.apache.axis2.transport.local.LocalTransportSender.invoke(LocalTransportSender.java:77) >>> at org.apache.axis2.engine.AxisEngine.send(AxisEngine.java:443) >>> at >>> org.apache.axis2.description.OutInAxisOperationClient.send(OutInAxisOperation.java:406) >>> at >>> org.apache.axis2.description.OutInAxisOperationClient.executeImpl(OutInAxisOperation.java:229) >>> at >>> org.apache.axis2.client.OperationClient.execute(OperationClient.java:165) >>> at >>> org.wso2.carbon.dashboard.stub.DashboardServiceStub.addNewTab(DashboardServiceStub.java:5089) >>> at >>> org.wso2.carbon.bam.toolbox.deployer.client.DashboardClient.addTab(DashboardClient.java:74) >>> at >>> org.wso2.carbon.bam.toolbox.deployer.deploy.BAMArtifactDeployerManager.deployGadget(BAMArtifactDeployerManager.java:95) >>> at >>> org.wso2.carbon.bam.toolbox.deployer.deploy.BAMArtifactDeployerManager.deploy(BAMArtifactDeployerManager.java:124) >>> at >>> org.wso2.carbon.bam.toolbox.deployer.core.BAMToolBoxDeployer.deploy(BAMToolBoxDeployer.java:92) >>> at >>> org.apache.axis2.deployment.repository.util.DeploymentFileData.deploy(DeploymentFileData.java:136) >>> at >>> org.apache.axis2.deployment.DeploymentEngine.doDeploy(DeploymentEngine.java:810) >>> at >>> org.apache.axis2.deployment.repository.util.WSInfoList.update(WSInfoList.java:144) >>> at >>> org.apache.axis2.deployment.RepositoryListener.update(RepositoryListener.java:377) >>> at >>> org.apache.axis2.deployment.RepositoryListener.checkServices(RepositoryListener.java:254) >>> at >>> org.apache.axis2.deployment.RepositoryListener.startListener(RepositoryListener.java:371) >>> at >>> org.apache.axis2.deployment.scheduler.SchedulerTask.checkRepository(SchedulerTask.java:59) >>> at >>> org.apache.axis2.deployment.scheduler.SchedulerTask.run(SchedulerTask.java:67) >>> at >>> org.wso2.carbon.core.deployment.CarbonDeploymentSchedulerTask.run(CarbonDeploymentSchedulerTask.java:76) >>> at >>> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441) >>> at >>> java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:317) >>> at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:150) >>> at >>> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:98) >>> at >>> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodic(ScheduledThreadPoolExecutor.java:180) >>> at >>> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:204) >>> at >>> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) >>> at >>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) >>> at java.lang.Thread.run(Thread.java:662) >>> >>> I debug and checked in the axis2, and seems the error NPE is because of >>> transportIn is being null in the messageContext and the line which throws >>> the exception is, >>> >>> TransportListener listener = msgContext.getTransportIn().getReceiver(); >>> >>> >>> How this should be done? Is there any additional configuration that I >>> need to add for this? >>> >>> Any help is appreciated. >>> >>> >>> >>> Thanks, >>> Sinthuja. >>> >>> >>> >>> _______________________________________________ >>> Dev mailing list >>> [email protected] >>> http://wso2.org/cgi-bin/mailman/listinfo/dev >>> >>> >> > > _______________________________________________ > Dev mailing list > [email protected] > http://wso2.org/cgi-bin/mailman/listinfo/dev > > -- *Thanks & Regards, Nuwan Bandara Associate Technical Lead & Member, MC, Development Technologies WSO2 Inc. - lean . enterprise . middleware | http://wso2.com blog : http://nuwanbando.com; email: [email protected]; phone: +94 11 763 9629 * <http://www.nuwanbando.com/>
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