Getting exception while listing all the apps running on marathon.

[diwakar2015]

feign.codec.DecodeException: The JsonDeserializer StringTypeAdapter failed to deserialize json object {"value":"/usr/libexec/mesos/mesos-health-check"} given the type class java.lang.String at feign.MethodHandler$SynchronousMethodHandler.decode(MethodHandler.java:183) at feign.MethodHandler$SynchronousMethodHandler.executeAndDecode(MethodHandler.java:151) at feign.MethodHandler$SynchronousMethodHandler.invoke(MethodHandler.java:105) at feign.ReflectiveFeign$FeignInvocationHandler.invoke(ReflectiveFeign.java:87) at com.sun.proxy.$Proxy6.getApps(Unknown Source) at com.verizon.devops.control.webapp.service.MarathonInventoryServiceImpl.getNewAppList(MarathonInventoryServiceImpl.java:119) at com.verizon.devops.control.webapp.service.MarathonInventoryServiceImpl.getAppList(MarathonInventoryServiceImpl.java:150) at com.verizon.devops.control.webapp.service.MarathonInventoryServiceImpl.listRunningVms(MarathonInventoryServiceImpl.java:181) at com.verizon.devops.control.webapp.service.MarathonInventoryServiceImpl.getAllAppList(MarathonInventoryServiceImpl.java:266) at checkPortConflict.doGet(checkPortConflict.java:38) at javax.servlet.http.HttpServlet.service(HttpServlet.java:622) at javax.servlet.http.HttpServlet.service(HttpServlet.java:729) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:617) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:518) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1091) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:668) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1521) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1478) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Unknown Source) Caused by: com.google.gson.JsonParseException: The JsonDeserializer StringTypeAdapter failed to deserialize json object {"value":"/usr/libexec/mesos/mesos-health-check"} given the type class java.lang.String at com.google.gson.JsonDeserializerExceptionWrapper.deserialize(JsonDeserializerExceptionWrapper.java:64) at com.google.gson.JsonDeserializationVisitor.invokeCustomDeserializer(JsonDeserializationVisitor.java:92) at com.google.gson.JsonObjectDeserializationVisitor.visitFieldUsingCustomHandler(JsonObjectDeserializationVisitor.java:117) at com.google.gson.ReflectingFieldNavigator.visitFieldsReflectively(ReflectingFieldNavigator.java:63) at com.google.gson.ObjectNavigator.accept(ObjectNavigator.java:120) at com.google.gson.JsonDeserializationContextDefault.fromJsonObject(JsonDeserializationContextDefault.java:76) at com.google.gson.JsonDeserializationContextDefault.deserialize(JsonDeserializationContextDefault.java:54) at com.google.gson.DefaultTypeAdapters$CollectionTypeAdapter.deserialize(DefaultTypeAdapters.java:663) at com.google.gson.DefaultTypeAdapters$CollectionTypeAdapter.deserialize(DefaultTypeAdapters.java:624) at com.google.gson.JsonDeserializerExceptionWrapper.deserialize(JsonDeserializerExceptionWrapper.java:51) at com.google.gson.JsonDeserializationVisitor.invokeCustomDeserializer(JsonDeserializationVisitor.java:92) at com.google.gson.JsonObjectDeserializationVisitor.visitFieldUsingCustomHandler(JsonObjectDeserializationVisitor.java:117) at com.google.gson.ReflectingFieldNavigator.visitFieldsReflectively(ReflectingFieldNavigator.java:63) at com.google.gson.ObjectNavigator.accept(ObjectNavigator.java:120) at com.google.gson.JsonDeserializationContextDefault.fromJsonObject(JsonDeserializationContextDefault.java:76) at com.google.gson.JsonDeserializationContextDefault.deserialize(JsonDeserializationContextDefault.java:54) at com.google.gson.DefaultTypeAdapters$CollectionTypeAdapter.deserialize(DefaultTypeAdapters.java:663) at com.google.gson.DefaultTypeAdapters$CollectionTypeAdapter.deserialize(DefaultTypeAdapters.java:624) at com.google.gson.JsonDeserializerExceptionWrapper.deserialize(JsonDeserializerExceptionWrapper.java:51) at com.google.gson.JsonDeserializationVisitor.invokeCustomDeserializer(JsonDeserializationVisitor.java:92) at com.google.gson.JsonObjectDeserializationVisitor.visitFieldUsingCustomHandler(JsonObjectDeserializationVisitor.java:117) at com.google.gson.ReflectingFieldNavigator.visitFieldsReflectively(ReflectingFieldNavigator.java:63) at com.google.gson.ObjectNavigator.accept(ObjectNavigator.java:120) at com.google.gson.JsonDeserializationContextDefault.fromJsonObject(JsonDeserializationContextDefault.java:76) at com.google.gson.JsonDeserializationContextDefault.deserialize(JsonDeserializationContextDefault.java:54) at com.google.gson.Gson.fromJson(Gson.java:551) at com.google.gson.Gson.fromJson(Gson.java:498) at com.google.gson.Gson.fromJson(Gson.java:467) at feign.gson.GsonDecoder.decode(GsonDecoder.java:46) at feign.MethodHandler$SynchronousMethodHandler.decode(MethodHandler.java:179) ... 32 more Caused by: java.lang.UnsupportedOperationException at com.google.gson.JsonElement.getAsString(JsonElement.java:184) at com.google.gson.DefaultTypeAdapters$StringTypeAdapter.deserialize(DefaultTypeAdapters.java:968) at com.google.gson.DefaultTypeAdapters$StringTypeAdapter.deserialize(DefaultTypeAdapters.java:960) at com.google.gson.JsonDeserializerExceptionWrapper.deserialize(JsonDeserializerExceptionWrapper.java:51) ... 61 more GetALLAppList is called Init method of Marathon Inventory called

init is done....not retrieving the list of vms feign.codec.DecodeException: The JsonDeserializer StringTypeAdapter failed to deserialize json object {"value":"/usr/libexec/mesos/mesos-health-check"} given the type class java.lang.String at feign.MethodHandler$SynchronousMethodHandler.decode(MethodHandler.java:183) at feign.MethodHandler$SynchronousMethodHandler.executeAndDecode(MethodHandler.java:151) at feign.MethodHandler$SynchronousMethodHandler.invoke(MethodHandler.java:105) at feign.ReflectiveFeign$FeignInvocationHandler.invoke(ReflectiveFeign.java:87) at com.sun.proxy.$Proxy6.getApps(Unknown Source) at com.verizon.devops.control.webapp.service.MarathonInventoryServiceImpl.getNewAppList(MarathonInventoryServiceImpl.java:119) at com.verizon.devops.control.webapp.service.MarathonInventoryServiceImpl.getAppList(MarathonInventoryServiceImpl.java:150) at com.verizon.devops.control.webapp.service.MarathonInventoryServiceImpl.listRunningVms(MarathonInventoryServiceImpl.java:181) at com.verizon.devops.control.webapp.service.MarathonInventoryServiceImpl.getAllAppList(MarathonInventoryServiceImpl.java:266) at com.verizon.devops.control.webapp.service.GetAppDetails.getAppList(GetAppDetails.java:19) at com.verizon.devops.control.webapp.service.GetAppDetails.getAllAppInfo(GetAppDetails.java:34) at org.apache.jsp.usedPort_jsp._jspService(usedPort_jsp.java:178) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) at javax.servlet.http.HttpServlet.service(HttpServlet.java:729) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:438) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340) at javax.servlet.http.HttpServlet.service(HttpServlet.java:729) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:617) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:518) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1091) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:668) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1521) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1478) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Unknown Source) Caused by: com.google.gson.JsonParseException: The JsonDeserializer StringTypeAdapter failed to deserialize json object {"value":"/usr/libexec/mesos/mesos-health-check"} given the type class java.lang.String at com.google.gson.JsonDeserializerExceptionWrapper.deserialize(JsonDeserializerExceptionWrapper.java:64) at com.google.gson.JsonDeserializationVisitor.invokeCustomDeserializer(JsonDeserializationVisitor.java:92) at com.google.gson.JsonObjectDeserializationVisitor.visitFieldUsingCustomHandler(JsonObjectDeserializationVisitor.java:117) at com.google.gson.ReflectingFieldNavigator.visitFieldsReflectively(ReflectingFieldNavigator.java:63) at com.google.gson.ObjectNavigator.accept(ObjectNavigator.java:120) at com.google.gson.JsonDeserializationContextDefault.fromJsonObject(JsonDeserializationContextDefault.java:76) at com.google.gson.JsonDeserializationContextDefault.deserialize(JsonDeserializationContextDefault.java:54) at com.google.gson.DefaultTypeAdapters$CollectionTypeAdapter.deserialize(DefaultTypeAdapters.java:663) at com.google.gson.DefaultTypeAdapters$CollectionTypeAdapter.deserialize(DefaultTypeAdapters.java:624) at com.google.gson.JsonDeserializerExceptionWrapper.deserialize(JsonDeserializerExceptionWrapper.java:51) at com.google.gson.JsonDeserializationVisitor.invokeCustomDeserializer(JsonDeserializationVisitor.java:92) at com.google.gson.JsonObjectDeserializationVisitor.visitFieldUsingCustomHandler(JsonObjectDeserializationVisitor.java:117) at com.google.gson.ReflectingFieldNavigator.visitFieldsReflectively(ReflectingFieldNavigator.java:63) at com.google.gson.ObjectNavigator.accept(ObjectNavigator.java:120) at com.google.gson.JsonDeserializationContextDefault.fromJsonObject(JsonDeserializationContextDefault.java:76) at com.google.gson.JsonDeserializationContextDefault.deserialize(JsonDeserializationContextDefault.java:54) at com.google.gson.DefaultTypeAdapters$CollectionTypeAdapter.deserialize(DefaultTypeAdapters.java:663) at com.google.gson.DefaultTypeAdapters$CollectionTypeAdapter.deserialize(DefaultTypeAdapters.java:624) at com.google.gson.JsonDeserializerExceptionWrapper.deserialize(JsonDeserializerExceptionWrapper.java:51) at com.google.gson.JsonDeserializationVisitor.invokeCustomDeserializer(JsonDeserializationVisitor.java:92) at com.google.gson.JsonObjectDeserializationVisitor.visitFieldUsingCustomHandler(JsonObjectDeserializationVisitor.java:117) at com.google.gson.ReflectingFieldNavigator.visitFieldsReflectively(ReflectingFieldNavigator.java:63) at com.google.gson.ObjectNavigator.accept(ObjectNavigator.java:120) at com.google.gson.JsonDeserializationContextDefault.fromJsonObject(JsonDeserializationContextDefault.java:76) at com.google.gson.JsonDeserializationContextDefault.deserialize(JsonDeserializationContextDefault.java:54) at com.google.gson.Gson.fromJson(Gson.java:551) at com.google.gson.Gson.fromJson(Gson.java:498) at com.google.gson.Gson.fromJson(Gson.java:467) at feign.gson.GsonDecoder.decode(GsonDecoder.java:46) at feign.MethodHandler$SynchronousMethodHandler.decode(MethodHandler.java:179) ... 38 more Caused by: java.lang.UnsupportedOperationException at com.google.gson.JsonElement.getAsString(JsonElement.java:184) at com.google.gson.DefaultTypeAdapters$StringTypeAdapter.deserialize(DefaultTypeAdapters.java:968) at com.google.gson.DefaultTypeAdapters$StringTypeAdapter.deserialize(DefaultTypeAdapters.java:960) at com.google.gson.JsonDeserializerExceptionWrapper.deserialize(JsonDeserializerExceptionWrapper.java:51) ... 67 more

[sumannewton]

@diwakar2015 , Fixed in my repository.

Thanks.