Jasper report is not uploading on jasper server

Hi,

I am new in jasper. I am trying to upload a  report on jasper server .But this is giving me some type of error. i don't know why it is coming and what is the mening of this error.

So please tell me how i resolve this 

Here is the error

org.glassfish.jersey.message.internal.MessageBodyProviderNotFoundException: MessageBodyReader not found for media type=text/html; charset=utf-8, type=interface java.util.List, genericType=java.util.List<com.jaspersoft.jasperserver.jaxrs.client.dto.common.ErrorDescriptor>.
    at org.glassfish.jersey.message.internal.ReaderInterceptorExecutor$TerminalReaderInterceptor.aroundReadFrom(ReaderInterceptorExecutor.java:230)
    at org.glassfish.jersey.message.internal.ReaderInterceptorExecutor.proceed(ReaderInterceptorExecutor.java:154)
    at org.glassfish.jersey.message.internal.MessageBodyFactory.readFrom(MessageBodyFactory.java:1124)
    at org.glassfish.jersey.message.internal.InboundMessageContext.readEntity(InboundMessageContext.java:851)
    at org.glassfish.jersey.message.internal.InboundMessageContext.readEntity(InboundMessageContext.java:810)
    at org.glassfish.jersey.client.ClientResponse.readEntity(ClientResponse.java:368)
    at org.glassfish.jersey.client.InboundJaxrsResponse$2.call(InboundJaxrsResponse.java:122)
    at org.glassfish.jersey.internal.Errors.process(Errors.java:315)
    at org.glassfish.jersey.internal.Errors.process(Errors.java:297)
    at org.glassfish.jersey.internal.Errors.process(Errors.java:228)
    at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:399)
    at org.glassfish.jersey.client.InboundJaxrsResponse.readEntity(InboundJaxrsResponse.java:119)
    at com.jaspersoft.studio.server.protocol.restv2.RESTv2ExceptionHandler.handleErrorDescriptorList(RESTv2ExceptionHandler.java:101)
    at com.jaspersoft.studio.server.protocol.restv2.RESTv2ExceptionHandler.handleErrorDescriptor(RESTv2ExceptionHandler.java:126)
    at com.jaspersoft.studio.server.protocol.restv2.RESTv2ExceptionHandler.handleException(RESTv2ExceptionHandler.java:63)
    at com.jaspersoft.studio.server.protocol.restv2.ARestV2ConnectionJersey.toObj(ARestV2ConnectionJersey.java:49)
    at com.jaspersoft.studio.server.protocol.restv2.RestV2ConnectionJersey.addOrModifyResource(RestV2ConnectionJersey.java:605)
    at com.jaspersoft.studio.server.protocol.restv2.RestV2ConnectionJersey.prepareResource(RestV2ConnectionJersey.java:646)
    at com.jaspersoft.studio.server.protocol.restv2.RestV2ConnectionJersey.addOrModifyResource(RestV2ConnectionJersey.java:550)
    at com.jaspersoft.studio.server.protocol.ProxyConnection.addOrModifyResource(ProxyConnection.java:332)
    at com.jaspersoft.studio.server.publish.Publish.publishResources(Publish.java:191)
    at com.jaspersoft.studio.server.publish.Publish.publish(Publish.java:65)
    at com.jaspersoft.studio.server.publish.action.JrxmlPublishAction.publishReportUnit(JrxmlPublishAction.java:120)
    at com.jaspersoft.studio.server.publish.action.JrxmlPublishAction$2.run(JrxmlPublishAction.java:94)
    at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:233)
    at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:145)
    at org.eclipse.swt.widgets.Display.syncExec(Display.java:4821)
    at com.jaspersoft.studio.server.publish.action.JrxmlPublishAction.doRun(JrxmlPublishAction.java:91)
    at com.jaspersoft.studio.server.publish.action.JrxmlPublishAction.run(JrxmlPublishAction.java:63)
    at com.jaspersoft.studio.server.editor.JRSEditorContributor.onSave(JRSEditorContributor.java:112)
    at com.jaspersoft.studio.plugin.ExtensionManager.onSave(ExtensionManager.java:672)
    at com.jaspersoft.studio.editor.AbstractJRXMLEditor$9.run(AbstractJRXMLEditor.java:685)
    at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:233)
    at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:145)
    at org.eclipse.swt.widgets.Display.syncExec(Display.java:4821)
    at com.jaspersoft.studio.editor.AbstractJRXMLEditor.doSave(AbstractJRXMLEditor.java:680)
    at org.eclipse.ui.internal.SaveableHelper$2.run(SaveableHelper.java:157)
    at org.eclipse.ui.internal.SaveableHelper$5.run(SaveableHelper.java:286)
    at org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:437)
    at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:353)
    at org.eclipse.ui.internal.WorkbenchWindow$14.run(WorkbenchWindow.java:2184)
    at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
    at org.eclipse.ui.internal.WorkbenchWindow.run(WorkbenchWindow.java:2180)
    at org.eclipse.ui.internal.SaveableHelper.runProgressMonitorOperation(SaveableHelper.java:294)
    at org.eclipse.ui.internal.SaveableHelper.runProgressMonitorOperation(SaveableHelper.java:272)
    at org.eclipse.ui.internal.SaveableHelper.savePart(SaveableHelper.java:162)
    at org.eclipse.ui.internal.WorkbenchPage.saveSaveable(WorkbenchPage.java:3904)
    at org.eclipse.ui.internal.WorkbenchPage.saveEditor(WorkbenchPage.java:3918)
    at org.eclipse.ui.internal.handlers.SaveHandler.execute(SaveHandler.java:54)
    at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:295)
    at org.eclipse.ui.internal.handlers.E4HandlerProxy.execute(E4HandlerProxy.java:90)
    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.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:55)
    at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:282)
    at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:264)
    at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:132)
    at org.eclipse.e4.core.commands.internal.HandlerServiceHandler.execute(HandlerServiceHandler.java:152)
    at org.eclipse.core.commands.Command.executeWithChecks(Command.java:494)
    at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:488)
    at org.eclipse.e4.core.commands.internal.HandlerServiceImpl.executeHandler(HandlerServiceImpl.java:210)
    at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.executeCommand(KeyBindingDispatcher.java:286)
    at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.press(KeyBindingDispatcher.java:507)
    at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.processKeyEvent(KeyBindingDispatcher.java:558)
    at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.filterKeySequenceBindings(KeyBindingDispatcher.java:378)
    at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.access$0(KeyBindingDispatcher.java:324)
    at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher$KeyDownFilter.handleEvent(KeyBindingDispatcher.java:86)
    at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
    at org.eclipse.swt.widgets.Display.filterEvent(Display.java:1270)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1078)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1103)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1088)
    at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1130)
    at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1126)
    at org.eclipse.swt.widgets.Widget.wmChar(Widget.java:1547)
    at org.eclipse.swt.widgets.Control.WM_CHAR(Control.java:4918)
    at org.eclipse.swt.widgets.Canvas.WM_CHAR(Canvas.java:364)
    at org.eclipse.swt.widgets.Control.windowProc(Control.java:4799)
    at org.eclipse.swt.widgets.Canvas.windowProc(Canvas.java:359)
    at org.eclipse.swt.widgets.Display.windowProc(Display.java:5110)
    at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method)
    at org.eclipse.swt.internal.win32.OS.DispatchMessage(OS.java:2552)
    at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3822)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:1121)
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1022)
    at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:150)
    at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:693)
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
    at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:610)
    at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148)
    at com.jaspersoft.studio.rcp.intro.Application.start(Application.java:91)
    at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:388)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243)
    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.eclipse.equinox.launcher.Main.invokeFramework(Main.java:673)
    at org.eclipse.equinox.launcher.Main.basicRun(Main.java:610)
    at org.eclipse.equinox.launcher.Main.run(Main.java:1519)

Thank You