Hi all,

When I'm running the virtual firealram with the iot-server it suddenly
gives an error and stop displaying temperature reading on the dashboard.
Any idea how to solve this issue? Please note that I haven't changed any
defaults settings.

Running on Ubuntu 16.04 LTS - localhost

[2018-03-07 22:35:07,412] [IoT-Core] ERROR -
{org.apache.cxf.interceptor.AbstractFaultChainInitiatorObserver} Error
occurred during error handling, give up!
org.apache.cxf.interceptor.Fault: Unable to destroy the process .
    at
org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:170)
    at
org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:136)
    at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:204)
    at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:101)
    at
org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:58)
    at
org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:94)
    at
org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:272)
    at
org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121)
    at
org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:249)
    at
org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:248)
    at
org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:222)
    at
org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:153)
    at
org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:171)
    at
org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:289)
    at
org.apache.cxf.transport.servlet.AbstractHTTPServlet.doGet(AbstractHTTPServlet.java:214)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
    at
org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:265)
    at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
    at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
    at
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
    at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
    at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
    at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:218)
    at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110)
    at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
    at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
    at
org.wso2.carbon.tomcat.ext.valves.CompositeValve.continueInvocation(CompositeValve.java:99)
    at
org.wso2.carbon.tomcat.ext.valves.CarbonTomcatValve$1.invoke(CarbonTomcatValve.java:47)
    at
org.wso2.carbon.webapp.mgt.TenantLazyLoaderValve.invoke(TenantLazyLoaderValve.java:57)
    at
org.wso2.carbon.webapp.authenticator.framework.WebappAuthenticationValve.processRequest(WebappAuthenticationValve.java:151)
    at
org.wso2.carbon.webapp.authenticator.framework.WebappAuthenticationValve.invoke(WebappAuthenticationValve.java:69)
    at
org.wso2.carbon.tomcat.ext.valves.TomcatValveContainer.invokeValves(TomcatValveContainer.java:47)
    at
org.wso2.carbon.tomcat.ext.valves.CompositeValve.invoke(CompositeValve.java:62)
    at
org.wso2.carbon.tomcat.ext.valves.CarbonStuckThreadDetectionValve.invoke(CarbonStuckThreadDetectionValve.java:159)
    at
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:962)
    at
org.wso2.carbon.tomcat.ext.valves.CarbonContextCreatorValve.invoke(CarbonContextCreatorValve.java:57)
    at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
    at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:445)
    at
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1115)
    at
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637)
    at
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1770)
    at
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1729)
    at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    at java.lang.Thread.run(Thread.java:748)
Caused by:
org.wso2.carbon.analytics.api.exception.AnalyticsServiceException: Unable
to destroy the process .
    at
org.wso2.carbon.analytics.api.internal.client.AnalyticsAPIHttpClient.getRecordGroup(AnalyticsAPIHttpClient.java:1062)
    at
org.wso2.carbon.analytics.api.CarbonAnalyticsAPI.get(CarbonAnalyticsAPI.java:342)
    at
org.wso2.carbon.device.mgt.iot.virtualfirealarm.service.impl.util.APIUtil.getAllEventsForDevice(APIUtil.java:78)
    at
org.wso2.carbon.device.mgt.iot.virtualfirealarm.service.impl.VirtualFireAlarmServiceImpl.getVirtualFirealarmStats(VirtualFireAlarmServiceImpl.java:152)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at
org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:188)
    at
org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:104)
    ... 44 more
[2018-03-07 22:35:07,418] [IoT-Core] ERROR -
{org.apache.catalina.core.StandardWrapperValve} Servlet.service() for
servlet [CXFServlet] in context with path [/virtual_firealarm] threw
exception
java.lang.RuntimeException: org.apache.cxf.interceptor.Fault: Unable to
destroy the process .
    at
org.apache.cxf.interceptor.AbstractFaultChainInitiatorObserver.onMessage(AbstractFaultChainInitiatorObserver.java:116)
    at
org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:336)
    at
org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121)
    at
org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:249)
    at
org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:248)
    at
org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:222)
    at
org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:153)
    at
org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:171)
    at
org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:289)
    at
org.apache.cxf.transport.servlet.AbstractHTTPServlet.doGet(AbstractHTTPServlet.java:214)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
    at
org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:265)
    at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
    at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
    at
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
    at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
    at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
    at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:218)
    at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110)
    at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
    at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
    at
org.wso2.carbon.tomcat.ext.valves.CompositeValve.continueInvocation(CompositeValve.java:99)
    at
org.wso2.carbon.tomcat.ext.valves.CarbonTomcatValve$1.invoke(CarbonTomcatValve.java:47)
    at
org.wso2.carbon.webapp.mgt.TenantLazyLoaderValve.invoke(TenantLazyLoaderValve.java:57)
    at
org.wso2.carbon.webapp.authenticator.framework.WebappAuthenticationValve.processRequest(WebappAuthenticationValve.java:151)
    at
org.wso2.carbon.webapp.authenticator.framework.WebappAuthenticationValve.invoke(WebappAuthenticationValve.java:69)
    at
org.wso2.carbon.tomcat.ext.valves.TomcatValveContainer.invokeValves(TomcatValveContainer.java:47)
    at
org.wso2.carbon.tomcat.ext.valves.CompositeValve.invoke(CompositeValve.java:62)
    at
org.wso2.carbon.tomcat.ext.valves.CarbonStuckThreadDetectionValve.invoke(CarbonStuckThreadDetectionValve.java:159)
    at
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:962)
    at
org.wso2.carbon.tomcat.ext.valves.CarbonContextCreatorValve.invoke(CarbonContextCreatorValve.java:57)
    at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
    at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:445)
    at
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1115)
    at
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637)
    at
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1770)
    at
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1729)
    at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.cxf.interceptor.Fault: Unable to destroy the process
.
    at
org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:170)
    at
org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:136)
    at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:204)
    at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:101)
    at
org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:58)
    at
org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:94)
    at
org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:272)
    ... 39 more
Caused by:
org.wso2.carbon.analytics.api.exception.AnalyticsServiceException: Unable
to destroy the process .
    at
org.wso2.carbon.analytics.api.internal.client.AnalyticsAPIHttpClient.getRecordGroup(AnalyticsAPIHttpClient.java:1062)
    at
org.wso2.carbon.analytics.api.CarbonAnalyticsAPI.get(CarbonAnalyticsAPI.java:342)
    at
org.wso2.carbon.device.mgt.iot.virtualfirealarm.service.impl.util.APIUtil.getAllEventsForDevice(APIUtil.java:78)
    at
org.wso2.carbon.device.mgt.iot.virtualfirealarm.service.impl.VirtualFireAlarmServiceImpl.getVirtualFirealarmStats(VirtualFireAlarmServiceImpl.java:152)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at
org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:188)
    at
org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:104)
    ... 44 more


-- 
Pasan
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