Question

出于某种原因，我在Azure中使用诊断时遇到错误。我的（WCF）WebRole的代码是：

public override bool OnStart()
    {
        // To enable the AzureLocalStorageTraceListner, uncomment relevent section in the web.config  
        DiagnosticMonitorConfiguration diagnosticConfig = DiagnosticMonitor.GetDefaultInitialConfiguration();
        diagnosticConfig.Directories.ScheduledTransferPeriod = TimeSpan.FromMinutes(1);
        diagnosticConfig.Directories.DataSources.Add(AzureLocalStorageTraceListener.GetLogDirectory());
        diagnosticConfig.Directories.BufferQuotaInMB = 256;

        // Start diagnostics
        DiagnosticMonitor.Start("Microsoft.WindowsAzure.Plugins.Diagnostics.ConnectionString", diagnosticConfig);

        // Write trace line
        Trace.WriteLine("CUSTUM TRACE MESSAGE");

        // Start instance
        return base.OnStart();
    }

我的Web.config文件如下所示：

<?xml version="1.0"?>
<configuration>
  <configSections>
  </configSections>
  <system.diagnostics>     
    <sharedListeners>
      <add name="AzureLocalStorage" type="WCFServiceWebRole1.AzureLocalStorageTraceListener, WCFServiceWebRole1"/>
    </sharedListeners>
    <sources>
      <source name="System.ServiceModel" switchValue="Verbose, ActivityTracing">
        <listeners>
          <add name="AzureLocalStorage"/>
        </listeners>
      </source>
      <source name="System.ServiceModel.MessageLogging" switchValue="Verbose">
        <listeners>
          <add name="AzureLocalStorage"/>
        </listeners>
      </source>
    </sources>
    <trace autoflush="true">
      <listeners>
        <add type="Microsoft.WindowsAzure.Diagnostics.DiagnosticMonitorTraceListener, Microsoft.WindowsAzure.Diagnostics, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"
          name="AzureDiagnostics">
          <filter type="" />
        </add>
      </listeners>
    </trace>
  </system.diagnostics> 
  <system.web>
    <compilation debug="true" targetFramework="4.0" />
  </system.web>
  <system.serviceModel>
    <behaviors>
      <serviceBehaviors>
        <behavior>
          <!-- To avoid disclosing metadata information, set the value below to false and remove the metadata endpoint above before deployment -->
          <serviceMetadata httpGetEnabled="true"/>
          <!-- To receive exception details in faults for debugging purposes, set the value below to true.  Set to false before deployment to avoid disclosing exception information -->
          <serviceDebug includeExceptionDetailInFaults="false"/>
        </behavior>
      </serviceBehaviors>
    </behaviors>
    <serviceHostingEnvironment multipleSiteBindingsEnabled="true" />
  </system.serviceModel>
  <system.webServer>
    <modules runAllManagedModulesForAllRequests="true"/>
  </system.webServer>
</configuration>

在Compute Emulator中，我看到以下错误：

[MonAgentHost] Output: Monitoring Agent Started
[Diagnostics]: Starting configuration channel polling
[MonAgentHost] Error: MA EVENT: 2012-06-06T10:01:20.111Z
[MonAgentHost] Error:     2
[MonAgentHost] Error:     6396
[MonAgentHost] Error:     6624
[MonAgentHost] Error:     NetTransport
[MonAgentHost] Error:     0
[MonAgentHost] Error:     x:\btsdx\215\services\monitoring\shared\nettransport\src\xblobconnection.cpp
[MonAgentHost] Error:     XBlobConnection::PutBytesXBlob
[MonAgentHost] Error:     1621
[MonAgentHost] Error:     ffffffff80050023
[MonAgentHost] Error:     0
[MonAgentHost] Error:     
[MonAgentHost] Error:     Failed to send bytes to XContainer wad-tracefiles

此错误会重复多次。 “wad-tracefiles”容器由AzureLocalStorageTraceListener类中的以下代码添加：

public static DirectoryConfiguration GetLogDirectory()
    {
        DirectoryConfiguration directory = new DirectoryConfiguration();
        directory.Container = "wad-tracefiles";
        directory.DirectoryQuotaInMB = 10;
        directory.Path = RoleEnvironment.GetLocalResource("WCFServiceWebRole1.svclog").RootPath;
        return directory;
    }

为什么在这种情况下编写跟踪消息会失败？当我使用Azure存储资源管理器查看我的存储时，我看到的唯一表是WADDirectoriesTable而不是WADLogsTable。 “wad-tracefiles”blob确实已经创建了，但这不是我应该从我的代码中找到Trace消息的地方。

任何人，任何想法？任何帮助表示赞赏！

Answer 1

您的第一个问题是您没有将SetCurrentConfiguration（）与GetDefaultInitialConfiguration（）一起使用，以最终保存传输时间和日志级别。您必须使用以下API集：

GetDefaultInitialConfiguration() 
SetCurrentConfiguration()

OR

GetCurrentConfiguration()
SetCurrentConfiguration()

因此，以下基于行的配置将不会保存在诊断配置中： diagnosticConfig.Directories.DataSources.Add（AzureLocalStorageTraceListener.GetLogDirectory（））;

使用上述建议，然后看看会发生什么。

我还建议您创建一个非常简单的Web或辅助角色hello world示例，并通过启用Azure诊断来查看是否会给您带来任何错误，从而添加常规TRACE消息。如果您的SDK安装或Azure存储模拟器存在任何问题，也可以证明这一点。

Answer 2

感谢您的回复！我正在使用的项目是一个非常简单的WebRole，只有一条跟踪消息，因此我无法删除任何代码。

我尝试了你的建议而你是对的，我没有收到任何错误消息，使用以下代码：

public override bool OnStart()
    {
        setDiagnostics();

        Trace.WriteLine("CUSTUM TRACE MESSAGE");

        // Start instance
        return base.OnStart();
    }

    private void setDiagnostics()
    {
        // Get diagnostics connectionstring
        string wadConnectionString = "Microsoft.WindowsAzure.Plugins.Diagnostics.ConnectionString";
        CloudStorageAccount cloudStorageAccount = CloudStorageAccount.Parse(RoleEnvironment.GetConfigurationSettingValue(wadConnectionString));

        // Get the diagnostics configuration of the deployment and its role instances that are currently running
        DeploymentDiagnosticManager deploymentDiagnosticManager = new DeploymentDiagnosticManager(cloudStorageAccount, RoleEnvironment.DeploymentId);
        RoleInstanceDiagnosticManager roleInstanceDiagnosticManager = cloudStorageAccount.CreateRoleInstanceDiagnosticManager(
            RoleEnvironment.DeploymentId,
            RoleEnvironment.CurrentRoleInstance.Role.Name,
            RoleEnvironment.CurrentRoleInstance.Id);

        // Load diagnostics configuration
        DiagnosticMonitorConfiguration diagConfig = roleInstanceDiagnosticManager.GetCurrentConfiguration();

        // Get the default value if there is no config yet
        if (diagConfig == null)
            diagConfig = DiagnosticMonitor.GetDefaultInitialConfiguration();

        // Enable EventLogs
        diagConfig.WindowsEventLog.DataSources.Add("Application!*");
        diagConfig.WindowsEventLog.ScheduledTransferPeriod = TimeSpan.FromMinutes(1D);
        diagConfig.WindowsEventLog.BufferQuotaInMB = 128;

        // Failed Request Logs
        diagConfig.Directories.DataSources.Add(AzureLocalStorageTraceListener.GetLogDirectory());
        diagConfig.Directories.ScheduledTransferPeriod = TimeSpan.FromMinutes(1D);
        diagConfig.Directories.BufferQuotaInMB = 128;

        // Crash Dumps
        CrashDumps.EnableCollection(true);

        // Set new configuration
        roleInstanceDiagnosticManager.SetCurrentConfiguration(diagConfig);

        // Start the DiagnosticMonitor
        DiagnosticMonitor.Start(wadConnectionString, diagConfig);
    }

当我查看Azure存储资源管理器中存在哪些表时，我只看到＆＃34; WADDirectoriesTable＆＃34;和＃34; WADWindowsEventLogsTable＆＃34;。跟踪消息应该出现在＆＃34; WADLogsTable＆＃34;对？所以我在Compute Emulator中看到了Trace消息，但我没有在我的存储中看到它们......任何想法为什么？

Azure：无法将字节发送到XContainer wad-tracefiles

2 个答案: