将应用程序从 Enterprise Library 5 升级到 6

Question

我正在将现有应用程序从 5 升级到 6。我的应用程序是 .NET Web 应用程序。我依靠企业库将任何错误记录到数据库（sql 服务器）。

我的应用程序还使用自定义数据库侦听器和自定义日志记录异常处理程序（在我的解决方案中均采用单独的 .net 项目形式）。

所以，我已经安装了 6 个，并在 Application_Start-

中添加了以下代码

             IConfigurationSource config = ConfigurationSourceFactory.Create();
        ExceptionPolicyFactory factory = new ExceptionPolicyFactory(config);
        Logger.SetLogWriter(new LogWriterFactory().Create());

        ExceptionManager exceptionManager = factory.CreateManager();

当它到达 Logger.SetLogWriter(new LogWriterFactory().Create()); 时，我得到一个 System.NotImplementedException；代码行。

编辑：更具体的错误详情

 System.NotImplementedException was unhandled by user code
 HResult=-2147467263
 Message=Must be implemented by subclasses.
 Source=Microsoft.Practices.EnterpriseLibrary.Logging

我做错了什么？

这是我的web.config-

   <configSections>
<section name="exceptionHandling" type="Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.Configuration.ExceptionHandlingSettings, Microsoft.Practices.EnterpriseLibrary.ExceptionHandling" requirePermission="true" />
<section name="loggingConfiguration" type="Microsoft.Practices.EnterpriseLibrary.Logging.Configuration.LoggingSettings, Microsoft.Practices.EnterpriseLibrary.Logging, Version=5.0.505.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" requirePermission="true" />
<section name="dataConfiguration" type="Microsoft.Practices.EnterpriseLibrary.Data.Configuration.DatabaseSettings, Microsoft.Practices.EnterpriseLibrary.Data, Version=5.0.505.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" requirePermission="true" />


 </configSections>
<loggingConfiguration name="" tracingEnabled="true" defaultCategory="General">
<listeners>
  <add name="Database Trace Listener" type="ExtendedPropertyDatabaseListener.ExtendedFormattedDatabaseTraceListener, ExtendedPropertyDatabaseListener" listenerDataType="ExtendedPropertyDatabaseListener.ExtendedFormattedDatabaseTraceListenerData, ExtendedPropertyDatabaseListener" databaseInstanceName="ablmprod" writeLogStoredProcName="Logging.WriteLog" addCategoryStoredProcName="Logging.AddCategory" formatter="Text Formatter" />
  <add name="Event Log Trace Listener" type="Microsoft.Practices.EnterpriseLibrary.Logging.TraceListeners.FormattedEventLogTraceListener, Microsoft.Practices.EnterpriseLibrary.Logging, Version=5.0.505.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" listenerDataType="Microsoft.Practices.EnterpriseLibrary.Logging.Configuration.FormattedEventLogTraceListenerData, Microsoft.Practices.EnterpriseLibrary.Logging, Version=5.0.505.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" source="Enterprise Library Logging" formatter="Text Formatter" />
</listeners>
<formatters>
  <add type="Microsoft.Practices.EnterpriseLibrary.Logging.Formatters.TextFormatter, Microsoft.Practices.EnterpriseLibrary.Logging, Version=5.0.505.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" template="Timestamp: {timestamp}{newline}&#xA;Message: {message}{newline}&#xA;Category: {category}{newline}&#xA;Priority: {priority}{newline}&#xA;EventId: {eventid}{newline}&#xA;Severity: {severity}{newline}&#xA;Title:{title}{newline}&#xA;Machine: {localMachine}{newline}&#xA;App Domain: {localAppDomain}{newline}&#xA;ProcessId: {localProcessId}{newline}&#xA;Process Name: {localProcessName}{newline}&#xA;Thread Name: {threadName}{newline}&#xA;Win32 ThreadId:{win32ThreadId}{newline}&#xA;Extended Properties: {dictionary({key} - {value}{newline})}" name="Text Formatter" />
</formatters>
<categorySources>
  <add switchValue="All" name="General">
    <listeners>
      <add name="Database Trace Listener" />
    </listeners>
  </add>
</categorySources>
<specialSources>
  <allEvents switchValue="All" name="All Events" />
  <notProcessed switchValue="All" name="Unprocessed Category" />
  <errors switchValue="All" name="Logging Errors &amp; Warnings">
    <listeners>
      <add name="Event Log Trace Listener" />
    </listeners>
  </errors>
</specialSources>
</loggingConfiguration>
<exceptionHandling>
  <exceptionPolicies>
  <add name="Policy">
    <exceptionTypes>
      <add name="All Exceptions" type="System.Exception, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" postHandlingAction="NotifyRethrow">
        <exceptionHandlers>
          <add name="Logging Exception Handler" type="CustomExceptionLoggingHandler.CustomExceptionLoggingHandler, CustomExceptionLoggingHandler" logCategory="General" eventId="100" severity="Error" title="Enterprise Library Exception Handling" formatterType="Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.TextExceptionFormatter, Microsoft.Practices.EnterpriseLibrary.ExceptionHandling" priority="0" />
        </exceptionHandlers>
      </add>
    </exceptionTypes>
  </add>
</exceptionPolicies>
</exceptionHandling>

编辑：感谢@lrb 让我走上了正确的道路。这是有效的代码-

protected void Application_Start()
{
    LoggingConfiguration loggingConfiguration = BuildLoggingConfig();
    LogWriter logWriter = new LogWriter(loggingConfiguration);
    Logger.SetLogWriter(logWriter, false);
    ExceptionPolicy.SetExceptionManager(exManager);

    // Create the default ExceptionManager object programatically
    exManager = BuildExceptionManagerConfig(logWriter);

    // Create an ExceptionPolicy to illustrate the static HandleException method
    ExceptionPolicy.SetExceptionManager(exManager);

           ...
}

private static LoggingConfiguration BuildLoggingConfig()
{
    // Formatters

    var config = new LoggingConfiguration();

    return config;
}

private static ExceptionManager BuildExceptionManagerConfig(LogWriter logWriter)
{
    var policies = new List<ExceptionPolicyDefinition>();

    var logAndWrap = new List<ExceptionPolicyEntry>
            {

                new ExceptionPolicyEntry(typeof (Exception),
                    PostHandlingAction.ThrowNewException,
                    new IExceptionHandler[]
                     {
                       new WrapHandler("An application error has occurred.",
                         typeof(APIAvailabilityException))
                     })
            };

    policies.Add(new ExceptionPolicyDefinition("Policy", logAndWrap));

    return new ExceptionManager(policies);
}

Answer 1

有点变了。您只需要一个虚拟的 ConfugurationSource。这默认为所有内容，对我有用。请注意 SetLogWriter 方法的可选 ThrowIfSet 参数。文档指出：

throwIfSet : true 如果 writer 已经设置则抛出异常；否则为假。默认为真。

IConfigurationSource configurationSource = ConfigurationSourceFactory.Create();
LogWriterFactory logWriterFactory = new LogWriterFactory(configurationSource);                
Logger.SetLogWriter(logWriterFactory.Create(),false);
Logger.Write(le);

Answer 2

为仍然遇到此问题且建议的解决方案不起作用的用户提供更多信息。

此异常的可能原因之一是 CoreBuildTraceListener 方法未在您的自定义 TraceListenerData class 中实现（如果您使用一个）。

在我的例子中，我必须添加以下内容才能使其工作（代码特定于我的实现）：

protected override TraceListener CoreBuildTraceListener(LoggingSettings settings)
{
    return new RollingXmlTraceListener(
        this.FileName,
        this.RollSizeKB,
        this.TimeStampPattern,
        this.RollFileExistsBehavior,
        this.RollInterval,
        this.MaxArchivedFiles);
}

将应用程序从 Enterprise Library 5 升级到 6

Upgrading Application from Enterprise Library 5 to 6

.net

enterprise-library

enterprise-library-6