Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via YouTrack by Unknown author, 1 year ago
Object reference not set to an instance of an object. --- EXCEPTION #1/2 [NullReferenceException] Message = “Object reference not set to an instance of an object.” ExceptionPath = Root.InnerException ClassName = System.NullReferenceException HResult
com.jetbrains.resharper.util.idea.ReSharperHostException: Object reference not set to an instance of an object.
--- EXCEPTION #1/2 [NullReferenceException]
Message = “Object reference not set to an instance of an object.”
ExceptionPath = Root.InnerException
ClassName = System.NullReferenceException
HResult = COR_E_NULLREFERENCE=E_POINTER=80004003
Source = JetBrains.ReSharper.Host
StackTraceString = “
  at JetBrains.ReSharper.Host.Features.SolutionBuilder.ComponentsImpl.RiderSolutionConfigurationHolder.<>c__DisplayClass3.<GetProjectsConfiguration>b__1(ProjectWithData data)
     at System.Linq.Enumerable.ToDictionary[TSource,TKey,TElement](IEnumerable`1 source, Func`2 keySelector, Func`2 elementSelector, IEqualityComparer`1 comparer)
     at JetBrains.ReSharper.Host.Features.SolutionBuilder.ComponentsImpl.RiderSolutionConfigurationHolder.GetProjectsConfiguration(IEnumerable`1 projects)
     at JetBrains.ReSharper.Features.SolBuilderDuo.Services.ProjectsPersistentKeeper.GetConfig(IEnumerable`1 projects)
”
--- Outer ---
--- EXCEPTION #2/2 [LoggerException]
Message = “Object reference not set to an instance of an object.”
ExceptionPath = Root
ClassName = JetBrains.Util.LoggerException
InnerException = “Exception #1 at Root.InnerException”
HResult = COR_E_APPLICATION=80131600
StackTraceString = “
  at JetBrains.ReSharper.Features.SolBuilderDuo.Services.ProjectsPersistentKeeper.GetConfig(IEnumerable`1 projects)
     at JetBrains.ReSharper.Features.SolBuilderDuo.Services.ProjectsPersistentKeeper.RecalculateProjects()
     at JetBrains.Threading.GroupingEvent.Execute()
     at JetBrains.Threading.GroupingEventHost.ExecuteExpiredEvents()
     at JetBrains.Threading.GroupingEventHost.<OnClockTimerTick>b__4()
     at JetBrains.Threading.ReentrancyGuard.Execute(String name, Action action)
     at JetBrains.Threading.ReentrancyGuard.ExecuteOrQueue(String name, Action action, TaskPriority priority)
     at JetBrains.Threading.GroupingEventHost.OnClockTimerTick()
     at JetBrains.Threading.GroupingEventHost.ClockTimer.OnTimerTick(Object sender, EventArgs e)
     at System.Windows.Forms.Timer.OnTick(EventArgs e)
     at System.Windows.Forms.Timer.TimerNativeWindow.WndProc(Message& m)
     at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
     at JetBrains.Interop.WinApi.User32Dll.DispatchMessageW(MSG* lpmsg)
     at JetBrains.Util.Concurrency.WinJetDispatcher.WinJetDispatcherStaticMethods.InternalPumpMessagesOnce()
     at JetBrains.Util.Concurrency.WinJetDispatcher.WinJetDispatcherStaticMethods.JetBrains.Util.Concurrency.IJetDispatcherStaticMethods.Run()
     at JetBrains.ReSharper.Host.Product.ReSharperHostMain.Main(Lifetime lifetime, IReSharperHostSettings settings, ILogger logger, ShellModel shellModel, ApplicationShutdownRequests shutdownRequests)
     at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
     at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)
     at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
     at JetBrains.Application.Environment.RunsPublicStaticIntMain.<>c__DisplayClass4.<.ctor>b__0()
     at JetBrains.Util.Logging.Logger.Catch(Action action)
     at JetBrains.Threading.IThreadingEx.<>c__DisplayClass7.<>c__DisplayClass9.<ExecuteOrQueueWhenNotGuarded>b__4()
     at JetBrains.Threading.JetDispatcher.Closure.Execute()
     at JetBrains.Util.Concurrency.WinJetDispatcher.ProcessQueue()
     at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
     at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
     at System.Windows.Threading.DispatcherOperation.InvokeImpl()
     at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
     at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
     at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
     at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
     at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
     at System.Windows.Threading.DispatcherOperation.Invoke()
     at System.Windows.Threading.Dispatcher.ProcessQueue()
     at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
     at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
     at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
     at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
     at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
     at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
     at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
     at MS.Win32.UnsafeNativeMethods.DispatchMessage(MSG& msg)
     at System.Windows.Threading.Dispatcher.PushFrameImpl(DispatcherFrame frame)
     at System.Windows.Threading.Dispatcher.PushFrame(DispatcherFrame frame)
     at JetBrains.Application.Environment.IJetHostEx.<>c__DisplayClass13.<RunHostMessageLoop>b__e(Lifetime lifetime)
     at JetBrains.DataFlow.Lifetimes.Using(Action`1 λ)
     at JetBrains.Application.Environment.IJetHostEx.RunHostMessageLoop(IComponentContainer containerEnv)
     at JetBrains.Application.Environment.HostParameters.MessagePumpMainLoopHostMixin.JetBrains.Application.Environment.HostParameters.IRunMainLoopHostMixin.RunMainLoop(ComponentContainer containerEnv)
     at JetBrains.Application.Environment.HostParameters.JetHostParametersCaller.RunMainLoop(ComponentContainer containerEnv)
     at JetBrains.Application.Environment.JetEnvironment.InternalRun(JetHostParametersCaller host, ComponentContainer containerEnv)
     at JetBrains.Application.Environment.JetEnvironment.CreateAndRun(Full hostparams)
     at JetBrains.Application.Environment.JetHostItems.CreateAndRun(Full input)
     at JetBrains.ReSharper.Host.Product.ReSharperHostProgram.MainX(Assembly assembly, HostInfo hostInfo, String[] args)
     at JetBrains.ReSharper.Host.Product.ReSharperHostProgram.<Main>b__0(Lifetime lifetime)
     at JetBrains.DataFlow.Lifetimes.Using[TRetVal](Func`2 λ)
     at JetBrains.ReSharper.Host.Product.ReSharperHostProgram.Main()
     at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
     at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)
     at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
     at System.Reflection.MethodBase.Invoke(Object obj, Object[] parameters)
”	at com.jetbrains.resharper.protocol.BackendToFrontendLoggerHost$1.invoke(BackendToFrontendLoggerHost.kt:26)	at com.jetbrains.resharper.protocol.BackendToFrontendLoggerHost$1.invoke(BackendToFrontendLoggerHost.kt:12)	at com.jetbrains.rider.util.reactive.Signal.fire(Signal.kt:25)	at com.jetbrains.rider.framework.impl.RdSignal$1$1.invoke(RdSignal.kt:33)	at com.jetbrains.rider.framework.impl.RdSignal$1$1.invoke(RdSignal.kt:14)	at com.jetbrains.rider.framework.MessageBroker$Subscription$invoke$1.invoke(MessageBroker.kt:39)	at com.jetbrains.rider.framework.MessageBroker$Subscription$invoke$1.invoke(MessageBroker.kt:24)	at com.jetbrains.resharper.protocol.RdDispatcher.a(RdDispatcher.kt:86)	at com.jetbrains.resharper.protocol.RdDispatcher.access$flushAll(RdDispatcher.kt:12)	at com.jetbrains.resharper.protocol.RdDispatcher$repost$1.run(RdDispatcher.kt:74)	at com.intellij.openapi.application.TransactionGuardImpl$6.run(TransactionGuardImpl.java:294)	at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.a(LaterInvocator.java:338)	at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.run(LaterInvocator.java:322)	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756)	at java.awt.EventQueue.access$500(EventQueue.java:97)	at java.awt.EventQueue$3.run(EventQueue.java:709)	at java.awt.EventQueue$3.run(EventQueue.java:703)	at java.security.AccessController.doPrivileged(Native Method)	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)	at java.awt.EventQueue.dispatchEvent(EventQueue.java:726)	at com.intellij.ide.IdeEventQueue.c(IdeEventQueue.java:829)	at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:665)	at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:385)	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)	at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)