Fix: Log stacktrace to get where/why the exception is thrown (#4242)

Co-authored-by: Alvaro <[email protected]>

Author: Wi1l-B0t

src/Neo.Extensions/Utility.cs

@@ -12,6 +12,7 @@
 using Akka.Actor;
 using Akka.Event;
 using Neo.Extensions;
+using System;
 using System.Text;
 
 namespace Neo
@@ -28,7 +29,7 @@ internal class Logger : ReceiveActor
             public Logger()
             {
                 Receive<InitializeLogger>(_ => Sender.Tell(new LoggerInitialized()));
-                Receive<LogEvent>(e => Log(e.LogSource, (LogLevel)e.LogLevel(), e.Message));
+                Receive<LogEvent>(e => Log(e.LogSource, (LogLevel)e.LogLevel(), $"Akka.LogEvent: {e.Message}{Environment.NewLine}{e.Cause?.StackTrace ?? ""}"));
             }
         }
 

src/Neo/Ledger/Blockchain.cs

@@ -542,7 +542,7 @@ private static void InvokeHandlers(Delegate[] handlers, Action<Delegate> handler
                 }
                 catch (Exception ex) when (handler.Target is Plugin plugin)
                 {
-                    Utility.Log(nameof(plugin), LogLevel.Error, ex);
+                    Utility.Log(nameof(plugin.Name), LogLevel.Error, $"{plugin.Name} exception: {ex.Message}{Environment.NewLine}{ex.StackTrace}");
                     switch (plugin.ExceptionPolicy)
                     {
                         case UnhandledExceptionPolicy.StopNode:
@@ -555,8 +555,7 @@ private static void InvokeHandlers(Delegate[] handlers, Action<Delegate> handler
                             // Log the exception and continue with the next handler
                             break;
                         default:
-                            throw new InvalidCastException(
-                                $"The exception policy {plugin.ExceptionPolicy} is not valid.");
+                            throw new InvalidCastException($"The exception policy {plugin.ExceptionPolicy} is not valid.");
                     }
                 }
             }