Hi All, This was due to an android rest-api issue when the agent replies with failure responses. (There was a logic in rest-api to pass response parameter directly to a Gson object to convert it to a specific object (ie : Location). This results in an exception when a string (error message) passed as the response. Now this is fixed[1] by properly adding checks to the operation response status before doing the above.
[1] - https://github.com/wso2/carbon-device-mgt-plugins/commit/ef281e1524fd1772a977ae9df16f97600b402387 Thanks On Wed, Jun 15, 2016 at 11:22 AM, Kasun Dananjaya Delgolla <kas...@wso2.com> wrote: > Hi All, > > I got the $subject[1] when I did a hard lock. Hard lock worked fine but > when the device replies to pending-operations endpoint with operation > results, this occurs. Any idea? By the looks of it, when hard lock happens, > the reply payload does not get built properly. > > Thanks > [1] - > D: [-1234] [] [2016-06-15 18:08:21,551] WARN > {org.apache.cxf.phase.PhaseInterceptorChain} - Exception in handleFault on > interceptor > org.apache.cxf.binding.xml.interceptor.XMLFaultOutInterceptor@3226177f > org.apache.cxf.interceptor.Fault: java.lang.IllegalStateException: > Expected BEGIN_OBJECT but was STRING at line 1 column 1 > 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.doPut(AbstractHTTPServlet.java:226) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:649) > 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.wso2.carbon.mdm.services.android.util.ApiOriginFilter.doFilter(ApiOriginFilter.java:33) > 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:220) > at > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122) > at > org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:504) > at > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170) > 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$1.invoke(CarbonTomcatValve.java:47) > at > org.wso2.carbon.webapp.mgt.TenantLazyLoaderValve.invoke(TenantLazyLoaderValve.java:57) > at > org.wso2.carbon.webapp.authenticator.framework.WebappAuthenticationValve.processRequest(WebappAuthenticationValve.java:145) > at > org.wso2.carbon.webapp.authenticator.framework.WebappAuthenticationValve.invoke(WebappAuthenticationValve.java:67) > at > org.wso2.carbon.tomcat.ext.valves.TomcatValveContainer.invokeValves(TomcatValveContainer.java:47) > at > org.wso2.carbon.tomcat.ext.valves.CompositeValve.invoke(CompositeValve.java:62) > at > org.wso2.carbon.tomcat.ext.valves.CarbonStuckThreadDetectionValve.invoke(CarbonStuckThreadDetectionValve.java:159) > at > org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950) > at > org.wso2.carbon.tomcat.ext.valves.CarbonContextCreatorValve.invoke(CarbonContextCreatorValve.java:57) > at > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116) > at > org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421) > at > org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1074) > at > org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611) > at > org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1739) > at > org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1698) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) > at > org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) > at java.lang.Thread.run(Thread.java:745) > Caused by: com.google.gson.JsonSyntaxException: > java.lang.IllegalStateException: Expected BEGIN_OBJECT but was STRING at > line 1 column 1 > at > com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:176) > at com.google.gson.Gson.fromJson(Gson.java:803) > at com.google.gson.Gson.fromJson(Gson.java:768) > at com.google.gson.Gson.fromJson(Gson.java:717) > at com.google.gson.Gson.fromJson(Gson.java:689) > at > org.wso2.carbon.mdm.services.android.util.AndroidAPIUtils.updateOperation(AndroidAPIUtils.java:289) > at > org.wso2.carbon.mdm.services.android.services.impl.DeviceManagementServiceImpl.updateOperations(DeviceManagementServiceImpl.java:144) > at > org.wso2.carbon.mdm.services.android.services.impl.DeviceManagementServiceImpl.getPendingOperations(DeviceManagementServiceImpl.java:99) > at sun.reflect.GeneratedMethodAccessor114.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at > org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:188) > at > org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:104) > ... 48 more > Caused by: java.lang.IllegalStateException: Expected BEGIN_OBJECT but was > STRING at line 1 column 1 > at com.google.gson.stream.JsonReader.beginObject(JsonReader.java:374) > at > com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:165) > ... 60 more > TID: [-1234] [] [2016-06-15 18:08:21,551] ERROR > {org.apache.cxf.interceptor.AbstractFaultChainInitiatorObserver} - Error > occurred during error handling, give up! > org.apache.cxf.interceptor.Fault: java.lang.IllegalStateException: > Expected BEGIN_OBJECT but was STRING at line 1 column 1 > 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.doPut(AbstractHTTPServlet.java:226) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:649) > 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.wso2.carbon.mdm.services.android.util.ApiOriginFilter.doFilter(ApiOriginFilter.java:33) > 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:220) > at > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122) > at > org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:504) > at > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170) > 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$1.invoke(CarbonTomcatValve.java:47) > at > org.wso2.carbon.webapp.mgt.TenantLazyLoaderValve.invoke(TenantLazyLoaderValve.java:57) > at > org.wso2.carbon.webapp.authenticator.framework.WebappAuthenticationValve.processRequest(WebappAuthenticationValve.java:145) > at > org.wso2.carbon.webapp.authenticator.framework.WebappAuthenticationValve.invoke(WebappAuthenticationValve.java:67) > at > org.wso2.carbon.tomcat.ext.valves.TomcatValveContainer.invokeValves(TomcatValveContainer.java:47) > at > org.wso2.carbon.tomcat.ext.valves.CompositeValve.invoke(CompositeValve.java:62) > at > org.wso2.carbon.tomcat.ext.valves.CarbonStuckThreadDetectionValve.invoke(CarbonStuckThreadDetectionValve.java:159) > at > org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950) > at > org.wso2.carbon.tomcat.ext.valves.CarbonContextCreatorValve.invoke(CarbonContextCreatorValve.java:57) > at > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116) > at > org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421) > at > org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1074) > at > org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611) > at > org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1739) > at > org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1698) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) > at > org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) > at java.lang.Thread.run(Thread.java:745) > Caused by: com.google.gson.JsonSyntaxException: > java.lang.IllegalStateException: Expected BEGIN_OBJECT but was STRING at > line 1 column 1 > at > com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:176) > at com.google.gson.Gson.fromJson(Gson.java:803) > at com.google.gson.Gson.fromJson(Gson.java:768) > at com.google.gson.Gson.fromJson(Gson.java:717) > at com.google.gson.Gson.fromJson(Gson.java:689) > at > org.wso2.carbon.mdm.services.android.util.AndroidAPIUtils.updateOperation(AndroidAPIUtils.java:289) > at > org.wso2.carbon.mdm.services.android.services.impl.DeviceManagementServiceImpl.updateOperations(DeviceManagementServiceImpl.java:144) > at > org.wso2.carbon.mdm.services.android.services.impl.DeviceManagementServiceImpl.getPendingOperations(DeviceManagementServiceImpl.java:99) > at sun.reflect.GeneratedMethodAccessor114.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at > org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:188) > at > org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:104) > ... 48 more > Caused by: java.lang.IllegalStateException: Expected BEGIN_OBJECT but was > STRING at line 1 column 1 > at com.google.gson.stream.JsonReader.beginObject(JsonReader.java:374) > at > com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:165) > ... 60 more > > > -- > Kasun Dananjaya Delgolla > > Senior Software Engineer > WSO2 Inc.; http://wso2.com > lean.enterprise.middleware > Tel: +94 11 214 5345 > Fax: +94 11 2145300 > Mob: + 94 771 771 015 > Blog: http://kddcodingparadise.blogspot.com > Linkedin: *http://lk.linkedin.com/in/kasundananjaya > <http://lk.linkedin.com/in/kasundananjaya>* > -- Kasun Dananjaya Delgolla Senior Software Engineer WSO2 Inc.; http://wso2.com lean.enterprise.middleware Tel: +94 11 214 5345 Fax: +94 11 2145300 Mob: + 94 771 771 015 Blog: http://kddcodingparadise.blogspot.com Linkedin: *http://lk.linkedin.com/in/kasundananjaya <http://lk.linkedin.com/in/kasundananjaya>*
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