我在执行某些操作的自定义实体的创建(同步,后期操作)上注册了一个CRM插件,尽管插件存在错误,我希望创建操作能够成功。出于性能原因,我还希望在创建记录时立即触发该插件,因此不希望使该插件异步。我通过执行以下操作来实现此目的:
public class FooPlugin : IPlugin
{
public FooPlugin(string unsecureInfo, string secureInfo) { }
public void Execute(IServiceProvider serviceProvider)
{
try
{
// Boilerplate
var context = (IPluginExecutionContext) serviceProvider.GetService(typeof (IPluginExecutionContext));
var serviceFactory = (IOrganizationServiceFactory) serviceProvider.GetService(typeof (IOrganizationServiceFactory));
IOrganizationService service = serviceFactory.CreateOrganizationService(context.UserId);
// Additional validation omitted
var targetEntity = (Entity) context.InputParameters["Target"];
UpdateFrobber(service, (EntityReference)targetEntity["new_frobberid"]);
CreateFollowUpFlibber(service, targetEntity);
CloseTheEntity(service, targetEntity);
}
catch (Exception ex)
{
// Send an email but do not re-throw the exception
// because we don't want a failure to roll-back the transaction.
try
{
SendEmailForException(ex, context);
}
catch { }
}
}
}
但是,当发生错误时(例如UpdateFrobber(...)
中的错误,服务客户端会收到此异常:
System.ServiceModel.FaultException`1[Microsoft.Xrm.Sdk.OrganizationServiceFault]:
There is no active transaction. This error is usually caused by custom plug-ins
that ignore errors from service calls and continue processing.
Server stack trace:
at System.ServiceModel.Channels.ServiceChannel.HandleReply(ProxyOperationRuntime operation, ref ProxyRpc rpc)
at System.ServiceModel.Channels.ServiceChannel.Call(String action, Boolean oneway, ProxyOperationRuntime operation, Object[] ins, Object[] outs, TimeSpan timeout)
at System.ServiceModel.Channels.ServiceChannelProxy.InvokeService(IMethodCallMessage methodCall, ProxyOperationRuntime operation)
at System.ServiceModel.Channels.ServiceChannelProxy.Invoke(IMessage message)
Exception rethrown at [0]:
at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg)
at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(ref MessageData msgData, Int32 type)
at Microsoft.Xrm.Sdk.IOrganizationService.Create(Entity entity)
at Microsoft.Xrm.Sdk.Client.OrganizationServiceProxy.CreateCore(Entity entity)
at Microsoft.Xrm.Sdk.Client.OrganizationServiceProxy.Create(Entity entity)
at Microsoft.Xrm.Client.Services.OrganizationService.<>c__DisplayClassd.<Create>b__c(IOrganizationService s)
at Microsoft.Xrm.Client.Services.OrganizationService.InnerOrganizationService.UsingService(Func`2 action)
at Microsoft.Xrm.Client.Services.OrganizationService.Create(Entity entity)
at MyClientCode() in MyClientCode.cs: line 100
我的猜测是,发生这种情况是因为UpdateFrobber(...)
使用了从插件派生的IOrganizationService实例,因此它使与该插件一起参与同一事务的任何CRM服务调用,如果这些“子”操作失败,则会导致整个交易回滚。它是否正确?有没有一种“安全”的方法来忽略同步插件中“子”操作的错误?也许是一种实例化不重复使用插件上下文的IOrganizationService实例的方法?
如果相关,我们将在内部运行CRM 2013。
OrganizationServiceProxy
实例,并使用该实例访问CRM。请确保引用您正在执行插件的服务器,以避免出现“双跳”问题。