kafka-onos app thread error

2019-04-21 00:47:13,449 | WARN  | xFrameworkWiring | AppInfoParser                    | 194 - org.apache.servicemix.bundles.kafka-clients - 1.1.1.1 | E rror registering AppInfo mbean javax.management.InstanceAlreadyExistsException: kafka.producer:type=app-info,id=192.168.0.37 at com.sun.jmx.mbeanserver.Repository.addMBean(Repository.java:437)[:1.8.0_202] at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerWithRepository(DefaultMBeanServerInterceptor.java:1898)[:1.8.0_202] at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerDynamicMBean(DefaultMBeanServerInterceptor.java:966)[:1.8.0_202] at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerObject(DefaultMBeanServerInterceptor.java:900)[:1.8.0_202] at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:324)[:1.8.0_202] at com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:522)[:1.8.0_202] at org.apache.kafka.common.utils.AppInfoParser.registerAppInfo(AppInfoParser.java:62) at org.apache.kafka.clients.producer.KafkaProducer.<init>(KafkaProducer.java:450)[194:org.apache.servicemix.bundles.kafka-clients:1.1.1.1] at org.apache.kafka.clients.producer.KafkaProducer.<init>(KafkaProducer.java:303)[194:org.apache.servicemix.bundles.kafka-clients:1.1.1.1] at org.opencord.kafka.impl.KafkaIntegration.startKafka(KafkaIntegration.java:166)[193:org.opencord.kafka:1.1.0.SNAPSHOT] at org.opencord.kafka.impl.KafkaIntegration.configure(KafkaIntegration.java:149)[193:org.opencord.kafka:1.1.0.SNAPSHOT] at org.opencord.kafka.impl.KafkaIntegration.configure(KafkaIntegration.java:133)[193:org.opencord.kafka:1.1.0.SNAPSHOT] at org.opencord.kafka.impl.KafkaIntegration.activate(KafkaIntegration.java:110)[193:org.opencord.kafka:1.1.0.SNAPSHOT] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)[:1.8.0_202] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)[:1.8.0_202] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)[:1.8.0_202] at java.lang.reflect.Method.invoke(Method.java:498)[:1.8.0_202] at org.apache.felix.scr.impl.helper.BaseMethod.invokeMethod(BaseMethod.java:231)[49:org.apache.felix.scr:1.8.2] at org.apache.felix.scr.impl.helper.BaseMethod.access$500(BaseMethod.java:39)[49:org.apache.felix.scr:1.8.2] at org.apache.felix.scr.impl.helper.BaseMethod$Resolved.invoke(BaseMethod.java:624)[49:org.apache.felix.scr:1.8.2] at org.apache.felix.scr.impl.helper.BaseMethod.invoke(BaseMethod.java:508)[49:org.apache.felix.scr:1.8.2] at org.apache.felix.scr.impl.helper.ActivateMethod.invoke(ActivateMethod.java:149)[49:org.apache.felix.scr:1.8.2] at org.apache.felix.scr.impl.manager.SingleComponentManager.createImplementationObject(SingleComponentManager.java:315)[49:org.apache.felix.scr :1.8.2] at org.apache.felix.scr.impl.manager.SingleComponentManager.createComponent(SingleComponentManager.java:127)[49:org.apache.felix.scr:1.8.2] at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:871)[49:org.apache.felix.scr:1.8.2] at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:838)[49:org.apache.felix.scr:1.8.2] at org.apache.felix.scr.impl.manager.AbstractComponentManager.activateInternal(AbstractComponentManager.java:850)[49:org.apache.felix.scr:1.8.2 ] at org.apache.felix.scr.impl.manager.AbstractComponentManager.enable(AbstractComponentManager.java:419)[49:org.apache.felix.scr:1.8.2] at org.apache.felix.scr.impl.config.ConfigurableComponentHolder.enableComponents(ConfigurableComponentHolder.java:376)[49:org.apache.felix.scr: 1.8.2] at org.apache.felix.scr.impl.BundleComponentActivator.initialize(BundleComponentActivator.java:172)[49:org.apache.felix.scr:1.8.2] at org.apache.felix.scr.impl.BundleComponentActivator.<init>(BundleComponentActivator.java:120)[49:org.apache.felix.scr:1.8.2] at org.apache.felix.scr.impl.Activator.loadComponents(Activator.java:258)[49:org.apache.felix.scr:1.8.2] at org.apache.felix.scr.impl.Activator.access$000(Activator.java:45)[49:org.apache.felix.scr:1.8.2] at org.apache.felix.scr.impl.Activator$ScrExtension.start(Activator.java:185)[49:org.apache.felix.scr:1.8.2] at org.apache.felix.utils.extender.AbstractExtender.createExtension(AbstractExtender.java:259)[49:org.apache.felix.scr:1.8.2] at org.apache.felix.utils.extender.AbstractExtender.modifiedBundle(AbstractExtender.java:232)[49:org.apache.felix.scr:1.8.2] at org.osgi.util.tracker.BundleTracker$Tracked.customizerModified(BundleTracker.java:479)[49:org.apache.felix.scr:1.8.2] at org.osgi.util.tracker.BundleTracker$Tracked.customizerModified(BundleTracker.java:414)[49:org.apache.felix.scr:1.8.2] at org.osgi.util.tracker.AbstractTracked.track(AbstractTracked.java:232)[49:org.apache.felix.scr:1.8.2] at org.osgi.util.tracker.BundleTracker$Tracked.bundleChanged(BundleTracker.java:443)[49:org.apache.felix.scr:1.8.2] at org.apache.felix.framework.util.EventDispatcher.invokeBundleListenerCallback(EventDispatcher.java:868)[org.apache.felix.framework-4.2.1.jar: ] at org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:789)[org.apache.felix.framework-4.2.1.jar:] at org.apache.felix.framework.util.EventDispatcher.fireBundleEvent(EventDispatcher.java:514)[org.apache.felix.framework-4.2.1.jar:] at org.apache.felix.framework.Felix.fireBundleEvent(Felix.java:4403)[org.apache.felix.framework-4.2.1.jar:] at org.apache.felix.framework.Felix.startBundle(Felix.java:2092)[org.apache.felix.framework-4.2.1.jar:] at org.apache.felix.framework.Felix$RefreshHelper.restart(Felix.java:4844)[org.apache.felix.framework-4.2.1.jar:] at org.apache.felix.framework.Felix.refreshPackages(Felix.java:4122)[org.apache.felix.framework-4.2.1.jar:] at org.apache.felix.framework.FrameworkWiringImpl.run(FrameworkWiringImpl.java:178)[org.apache.felix.framework-4.2.1.jar:] at java.lang.Thread.run(Thread.java:748)[:1.8.0_202] 2019-04-21 00:47:13,451 | INFO  | xFrameworkWiring | KafkaIntegration                 | 193 - org.opencord.kafka - 1.1.0.SNAPSHOT | Started