[SOLVED] wso2 api manager elk based analytics

I'm trying to enable elk analytics for wso2 api manager 4.0.0 by following the official documentation but when i add the following configuration in deployment.toml [apim.analytics] enable = true type="elk" i got this error

ERROR - gateway [SCR] Error while trying to bind reference Reference[name = api.manager.config.service, interface = org.wso2.carbon.apimgt.impl.APIManagerConfigurationService, policy = dynamic, cardinality = 1..1, target = null, bind = setAPIManagerConfigurationService, unbind = unsetAPIManagerConfigurationService] Details: Problematic reference = Reference[name = api.manager.config.service, interface = org.wso2.carbon.apimgt.impl.APIManagerConfigurationService, policy = dynamic, cardinality = 1..1, target = null, bind = setAPIManagerConfigurationService, unbind = unsetAPIManagerConfigurationService] of service component = org.wso2.carbon.apimgt.handlers component implementation class = org.wso2.carbon.apimgt.gateway.internal.APIHandlerServiceComponent located in bundle with symbolic name = org.wso2.carbon.apimgt.gateway bundle location = reference:file:../plugins/org.wso2.carbon.apimgt.gateway_9.0.174.jar java.lang.reflect.InvocationTargetException: null at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_221] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_221] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_221] at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_221] at org.eclipse.equinox.internal.ds.model.ComponentReference.bind(ComponentReference.java:376) [org.eclipse.equinox.ds_1.4.400.v20160226-2036.jar:?] at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.bindReference(ServiceComponentProp.java:430) [org.eclipse.equinox.ds_1.4.400.v20160226-2036.jar:?] at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.bind(ServiceComponentProp.java:218) [org.eclipse.equinox.ds_1.4.400.v20160226-2036.jar:?] at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:343) [org.eclipse.equinox.ds_1.4.400.v20160226-2036.jar:?] at org.eclipse.equinox.internal.ds.InstanceProcess.buildComponent(InstanceProcess.java:620) [org.eclipse.equinox.ds_1.4.400.v20160226-2036.jar:?] at org.eclipse.equinox.internal.ds.InstanceProcess.buildComponents(InstanceProcess.java:197) [org.eclipse.equinox.ds_1.4.400.v20160226-2036.jar:?] at org.eclipse.equinox.internal.ds.Resolver.getEligible(Resolver.java:343) [org.eclipse.equinox.ds_1.4.400.v20160226-2036.jar:?] at org.eclipse.equinox.internal.ds.SCRManager.serviceChanged(SCRManager.java:222) [org.eclipse.equinox.ds_1.4.400.v20160226-2036.jar:?] at org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:113) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.eclipse.osgi.internal.framework.BundleContextImpl.dispatchEvent(BundleContextImpl.java:985) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEventPrivileged(ServiceRegistry.java:866) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEvent(ServiceRegistry.java:804) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.register(ServiceRegistrationImpl.java:130) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.registerService(ServiceRegistry.java:228) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.eclipse.osgi.internal.framework.BundleContextImpl.registerService(BundleContextImpl.java:525) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.eclipse.osgi.internal.framework.BundleContextImpl.registerService(BundleContextImpl.java:544) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.wso2.carbon.sequences.internal.SequenceEditorServiceComponent.activate(SequenceEditorServiceComponent.java:80) [org.wso2.carbon.sequences_4.7.99.jar:?] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_221] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_221] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_221] at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_221] at org.eclipse.equinox.internal.ds.model.ServiceComponent.activate(ServiceComponent.java:260) [org.eclipse.equinox.ds_1.4.400.v20160226-2036.jar:?] at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.activate(ServiceComponentProp.java:146) [org.eclipse.equinox.ds_1.4.400.v20160226-2036.jar:?] at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:345) [org.eclipse.equinox.ds_1.4.400.v20160226-2036.jar:?] at org.eclipse.equinox.internal.ds.InstanceProcess.buildComponent(InstanceProcess.java:620) [org.eclipse.equinox.ds_1.4.400.v20160226-2036.jar:?] at org.eclipse.equinox.internal.ds.InstanceProcess.buildComponents(InstanceProcess.java:197) [org.eclipse.equinox.ds_1.4.400.v20160226-2036.jar:?] at org.eclipse.equinox.internal.ds.Resolver.getEligible(Resolver.java:343) [org.eclipse.equinox.ds_1.4.400.v20160226-2036.jar:?] at org.eclipse.equinox.internal.ds.SCRManager.serviceChanged(SCRManager.java:222) [org.eclipse.equinox.ds_1.4.400.v20160226-2036.jar:?] at org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:113) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.eclipse.osgi.internal.framework.BundleContextImpl.dispatchEvent(BundleContextImpl.java:985) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEventPrivileged(ServiceRegistry.java:866) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEvent(ServiceRegistry.java:804) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.register(ServiceRegistrationImpl.java:130) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.registerService(ServiceRegistry.java:228) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.eclipse.osgi.internal.framework.BundleContextImpl.registerService(BundleContextImpl.java:525) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.eclipse.osgi.internal.framework.BundleContextImpl.registerService(BundleContextImpl.java:544) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.wso2.carbon.mediation.initializer.ServiceBusInitializer.activate(ServiceBusInitializer.java:213) [org.wso2.carbon.mediation.initializer_4.7.99.jar:?] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_221] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_221] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_221] at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_221] at org.eclipse.equinox.internal.ds.model.ServiceComponent.activate(ServiceComponent.java:260) [org.eclipse.equinox.ds_1.4.400.v20160226-2036.jar:?] at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.activate(ServiceComponentProp.java:146) [org.eclipse.equinox.ds_1.4.400.v20160226-2036.jar:?] at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:345) [org.eclipse.equinox.ds_1.4.400.v20160226-2036.jar:?] at org.eclipse.equinox.internal.ds.InstanceProcess.buildComponent(InstanceProcess.java:620) [org.eclipse.equinox.ds_1.4.400.v20160226-2036.jar:?] at org.eclipse.equinox.internal.ds.InstanceProcess.buildComponents(InstanceProcess.java:197) [org.eclipse.equinox.ds_1.4.400.v20160226-2036.jar:?] at org.eclipse.equinox.internal.ds.Resolver.getEligible(Resolver.java:343) [org.eclipse.equinox.ds_1.4.400.v20160226-2036.jar:?] at org.eclipse.equinox.internal.ds.SCRManager.serviceChanged(SCRManager.java:222) [org.eclipse.equinox.ds_1.4.400.v20160226-2036.jar:?] at org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:113) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.eclipse.osgi.internal.framework.BundleContextImpl.dispatchEvent(BundleContextImpl.java:985) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEventPrivileged(ServiceRegistry.java:866) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEvent(ServiceRegistry.java:804) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.register(ServiceRegistrationImpl.java:130) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.registerService(ServiceRegistry.java:228) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.eclipse.osgi.internal.framework.BundleContextImpl.registerService(BundleContextImpl.java:525) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.eclipse.osgi.internal.framework.BundleContextImpl.registerService(BundleContextImpl.java:544) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.wso2.carbon.inbound.endpoint.persistence.service.InboundEndpointPersistenceServiceDSComponent.activate(InboundEndpointPersistenceServiceDSComponent.java:50) [org.wso2.carbon.inbound.endpoint.persistence_4.7.99.jar:?] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_221] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_221] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_221] at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_221] at org.eclipse.equinox.internal.ds.model.ServiceComponent.activate(ServiceComponent.java:260) [org.eclipse.equinox.ds_1.4.400.v20160226-2036.jar:?] at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.activate(ServiceComponentProp.java:146) [org.eclipse.equinox.ds_1.4.400.v20160226-2036.jar:?] at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:345) [org.eclipse.equinox.ds_1.4.400.v20160226-2036.jar:?] at org.eclipse.equinox.internal.ds.InstanceProcess.buildComponent(InstanceProcess.java:620) [org.eclipse.equinox.ds_1.4.400.v20160226-2036.jar:?] at org.eclipse.equinox.internal.ds.InstanceProcess.buildComponents(InstanceProcess.java:197) [org.eclipse.equinox.ds_1.4.400.v20160226-2036.jar:?] at org.eclipse.equinox.internal.ds.Resolver.getEligible(Resolver.java:343) [org.eclipse.equinox.ds_1.4.400.v20160226-2036.jar:?] at org.eclipse.equinox.internal.ds.SCRManager.serviceChanged(SCRManager.java:222) [org.eclipse.equinox.ds_1.4.400.v20160226-2036.jar:?] at org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:113) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.eclipse.osgi.internal.framework.BundleContextImpl.dispatchEvent(BundleContextImpl.java:985) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEventPrivileged(ServiceRegistry.java:866) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEvent(ServiceRegistry.java:804) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.register(ServiceRegistrationImpl.java:130) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.registerService(ServiceRegistry.java:228) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.eclipse.osgi.internal.framework.BundleContextImpl.registerService(BundleContextImpl.java:525) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.eclipse.osgi.internal.framework.BundleContextImpl.registerService(BundleContextImpl.java:544) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.wso2.carbon.core.init.CarbonServerManager.initializeCarbon(CarbonServerManager.java:529) [org.wso2.carbon.core_4.6.2.jar:?] at org.wso2.carbon.core.init.CarbonServerManager.removePendingItem(CarbonServerManager.java:305) [org.wso2.carbon.core_4.6.2.jar:?] at org.wso2.carbon.core.init.PreAxis2ConfigItemListener.bundleChanged(PreAxis2ConfigItemListener.java:118) [org.wso2.carbon.core_4.6.2.jar:?] at org.eclipse.osgi.internal.framework.BundleContextImpl.dispatchEvent(BundleContextImpl.java:973) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:345) [org.eclipse.osgi_3.14.0.v20190517-1309.jar:?] Caused by: java.lang.NullPointerException: name at feign.Util.checkNotNull(Util.java:116) ~[io.github.openfeign.feign-core_11.0.0.jar:?] at feign.Target$HardCodedTarget.(Target.java:78) ~[io.github.openfeign.feign-core_11.0.0.jar:?] at feign.Target$HardCodedTarget.(Target.java:73) ~[io.github.openfeign.feign-core_11.0.0.jar:?] at feign.Feign$Builder.target(Feign.java:265) ~[io.github.openfeign.feign-core_11.0.0.jar:?] at org.wso2.am.analytics.publisher.auth.AuthClient.getSASToken(AuthClient.java:44) ~[org.wso2.am.analytics.publisher.client_1.0.1.jar:?] at org.wso2.am.analytics.publisher.client.EventHubProducerClientFactory.getSASToken(EventHubProducerClientFactory.java:59) ~[org.wso2.am.analytics.publisher.client_1.0.1.jar:?] at org.wso2.am.analytics.publisher.client.EventHubProducerClientFactory.create(EventHubProducerClientFactory.java:46) ~[org.wso2.am.analytics.publisher.client_1.0.1.jar:?] at org.wso2.am.analytics.publisher.client.EventHubClient.createProducerWithRetry(EventHubClient.java:94) ~[org.wso2.am.analytics.publisher.client_1.0.1.jar:?] at org.wso2.am.analytics.publisher.client.EventHubClient.(EventHubClient.java:72) ~[org.wso2.am.analytics.publisher.client_1.0.1.jar:?] at org.wso2.am.analytics.publisher.reporter.cloud.DefaultAnalyticsMetricReporter.(DefaultAnalyticsMetricReporter.java:63) ~[org.wso2.am.analytics.publisher.client_1.0.1.jar:?] at org.wso2.am.analytics.publisher.reporter.MetricReporterFactory.createMetricReporter(MetricReporterFactory.java:51) ~[org.wso2.am.analytics.publisher.client_1.0.1.jar:?] at org.wso2.carbon.apimgt.common.analytics.publishers.impl.AnalyticsDataPublisher.initialize(AnalyticsDataPublisher.java:60) ~[org.wso2.carbon.apimgt.common.analytics_9.0.174.jar:?] at org.wso2.carbon.apimgt.common.analytics.AnalyticsServiceReferenceHolder.setConfigurations(AnalyticsServiceReferenceHolder.java:46) ~[org.wso2.carbon.apimgt.common.analytics_9.0.174.jar:?] at org.wso2.carbon.apimgt.gateway.internal.APIHandlerServiceComponent.setAPIManagerConfigurationService_aroundBody12(APIHandlerServiceComponent.java:227) ~[?:?] at org.wso2.carbon.apimgt.gateway.internal.APIHandlerServiceComponent.setAPIManagerConfigurationService(APIHandlerServiceComponent.java:214) ~[?:?] ... 94 more