Harden shutdown against logging exceptions

src/BizTalkPlatformManagementTool.Setup/InstallerEngine.cs

@@ -23,7 +23,7 @@ namespace BizTalkPlatformManagementTool.Setup
         private const string ProductName = "BizTalk Platform Management Tool";
 
         /// <summary>Aktuelle Produktversion des Installers und Uninstall-Eintrags.</summary>
-        private const string ProductVersion = "2.2.1";
+        private const string ProductVersion = "2.2.2";
 
         /// <summary>
         /// Wartezeiten zwischen Wiederholungen atomarer Verzeichnisverschiebungen.

src/BizTalkPlatformManagementTool.Setup/MainForm.cs

@@ -65,7 +65,7 @@ namespace BizTalkPlatformManagementTool.Setup
             {
                 AutoSize = true,
                 Font = new Font(Font.FontFamily, 14, FontStyle.Bold),
-                Text = "BizTalk Platform Management Tool 2.2.1"
+                Text = "BizTalk Platform Management Tool 2.2.2"
             });
             root.Controls.Add(new Label
             {

src/BizTalkPlatformManagementTool.Setup/Properties/AssemblyInfo.cs

@@ -8,6 +8,6 @@ using System.Runtime.InteropServices;
 [assembly: AssemblyProduct("BizTalk Platform Management Tool")]
 [assembly: ComVisible(false)]
 [assembly: Guid("675b68a9-bd80-46a5-b8c5-3b11b0b374e2")]
-[assembly: AssemblyVersion("2.2.1.0")]
-[assembly: AssemblyFileVersion("2.2.1.0")]
+[assembly: AssemblyVersion("2.2.2.0")]
+[assembly: AssemblyFileVersion("2.2.2.0")]
 [assembly: InternalsVisibleTo("BizTalkPlatformManagementTool.Tests")]

src/BizTalkPlatformManagementTool.Setup/app.manifest

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1">
-  <assemblyIdentity version="2.2.1.0" name="BizTalkPlatformManagementTool.Setup" />
+  <assemblyIdentity version="2.2.2.0" name="BizTalkPlatformManagementTool.Setup" />
   <trustInfo xmlns="urn:schemas-microsoft-com:asm.v3">
     <security><requestedPrivileges><requestedExecutionLevel level="requireAdministrator" uiAccess="false" /></requestedPrivileges></security>
   </trustInfo>

src/BizTalkPlatformManagementTool/Properties/AssemblyInfo.cs

@@ -9,6 +9,6 @@ using System.Runtime.InteropServices;
 [assembly: AssemblyCopyright("Copyright © 2026")]
 [assembly: ComVisible(false)]
 [assembly: Guid("2c5b2c0a-f407-46c2-9e3b-1fa09fa8445a")]
-[assembly: AssemblyVersion("2.2.1.0")]
-[assembly: AssemblyFileVersion("2.2.1.0")]
+[assembly: AssemblyVersion("2.2.2.0")]
+[assembly: AssemblyFileVersion("2.2.2.0")]
 [assembly: InternalsVisibleTo("BizTalkPlatformManagementTool.Tests")]

src/BizTalkPlatformManagementTool/Services/BizTalkOperationService.cs

@@ -16,7 +16,7 @@ namespace BizTalkPlatformManagementTool.Services
         /// <summary>
         /// Current tool version written into generated snapshots.
         /// </summary>
-        public const string Version = "2.2.1-net461";
+        public const string Version = "2.2.2-net461";
 
         /// <summary>
         /// Fallback application name used when WMI does not expose an application property.

src/BizTalkPlatformManagementTool/Services/OperationLogger.cs

@@ -171,7 +171,22 @@ namespace BizTalkPlatformManagementTool.Services
                 return;
             }
 
-            _sink(entry);
+            try
+            {
+                _sink(entry);
+            }
+            catch (Exception ex)
+            {
+                // Auch die optionale GUI-Weiterleitung ist nur ein Diagnosekanal. Ein Fehler
+                // dort darf insbesondere nicht die Exception-Behandlung eines BizTalk-Schritts
+                // erneut unterbrechen und dadurch alle späteren Planschritte verhindern.
+                WriteToFile(new LogEntry
+                {
+                    Timestamp = DateTime.Now,
+                    Level = LogLevel.Warning,
+                    Message = "Log display sink failed; runtime operation continues. Error: " + ex.Message
+                });
+            }
         }
 
         /// <summary>

src/BizTalkPlatformManagementTool/app.manifest

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1">
-  <assemblyIdentity version="2.2.1.0" name="BizTalkPlatformManagementTool" />
+  <assemblyIdentity version="2.2.2.0" name="BizTalkPlatformManagementTool" />
   <trustInfo xmlns="urn:schemas-microsoft-com:asm.v3">
     <security>
       <requestedPrivileges>