Lui*_*osa 4 azure entity-framework-core azure-cosmosdb
CosmosDb 提供程序正在发送此消息:
“响应状态代码不表示成功:503 子状态:0 原因:(请求失败,因为客户端无法与 1 个区域的 3 个端点建立连接。请检查客户端资源匮乏问题并验证客户端和服务器之间的连接。”
在我的测试中,它有效(.net core 3.1):
Task.Run(async () =>
{
var endpoint = “test”;
var masterKey = “test”;
using (var client = new DocumentClient(new Uri(endpoint), masterKey))
{
//Insert new Document
Console.WriteLine("\r\n>>>>>>>>>>>>>>>> Creating Document <<<<<<<<<<<<<<<<<<<");
dynamic candidato = new
{
Id = 1,
Nome = "Test"
};
var document1 = await client.CreateDocumentAsync(
UriFactory.CreateDocumentCollectionUri("Test", "Test"),
candidato);
Console.ReadKey();
}
}).Wait();
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它不是:
Task.Run(async () =>
{
using (var context = new StudentsDbContext())
{
context.Add(new FamilyContainer(2, "Test"));
await context.SaveChangesAsync();
}
}).Wait();
public class FamilyContainer
{
public int Id { get; set; }
public string Nome { get; set; }
public FamilyContainer(int id, string nome)
{
Id = id;
Nome = nome;
}
}
public class StudentsDbContext : DbContext
{
public DbSet<FamilyContainer> FamilyContainer { get; set; }
protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
{
optionsBuilder.UseCosmos(
"test",
"test",
"FamilyDatabase",
options =>
{ }
);
}
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
modelBuilder.Entity<FamilyContainer>(x =>
{
x.ToContainer("FamilyContainer");
});
}
}
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谁能帮我?谢谢
失败:Microsoft.EntityFrameworkCore.Update[10000] 保存上下文类型“...”的更改时,数据库中发生异常。Microsoft.EntityFrameworkCore.Storage.RetryLimitExceededException:使用“CosmosExecutionStrategy”执行数据库操作时超出了最大重试次数 (6)。请参阅最近失败的内部异常。---> Microsoft.Azure.Cosmos.CosmosException:响应状态代码未表示成功:503 子状态:0 原因:(Microsoft.Azure.Documents.ServiceUnavailableException:服务当前不可用。ActivityId:07fbf539-0d44-4e5a-89d0- cd46838ee605, {"RequestStartTimeUtc":"2020-02-21T16:34:09.1834993Z","RequestEndTimeUtc":"2020-02-21T16:34:41.3484203Z":"4020.10C NumberRegionsAttempted":1,"ResponseStatisticsList":[{"ResponseTime":"2020-02-21T16:34:11.5964152Z","ResourceType":2,"OperationType":0,"StoreResult":"StorePhysicalAddress: rntbd:. ../,LSN:-1,GlobalCommittedLsn:-1,PartitionKeyRangeId:,IsValid:True,StatusCode:410,SubStatusCode:0,RequestCharge:0,ItemLSN:-1,SessionToken:,UsingLocalLSN:False,TransportException:客户端传输发生错误:无法连接到远程端点。(时间:2020-02-21T16:34:11.5298608Z,活动ID:07fbf539-0d44-4e5a-89d0-cd46838ee605,错误代码:ConnectFailed [0x0005],基础错误:socket40D000000000000...内部异常堆栈跟踪结束 --- NumberRegionsAttempted":1,"ResponseStatisticsList":[{"ResponseTime":"2020-02-21T16:34:11.5964152Z","ResourceType":2,"OperationType":0,"StoreResult":"StorePhysicalAddress: rntbd:. ../,LSN:-1,GlobalCommittedLsn:-1,PartitionKeyRangeId:,IsValid:True,StatusCode:410,SubStatusCode:0,RequestCharge:0,ItemLSN:-1,SessionToken:,UsingLocalLSN:False,TransportException:客户端传输发生错误:无法连接到远程端点。(时间:2020-02-21T16:34:11.5298608Z,活动ID:07fbf539-0d44-4e5a-89d0-cd46838ee605,错误代码:ConnectFailed [0x0005],基础错误:socket40D000000000000...内部异常堆栈跟踪结束 --- 11.5964152Z","ResourceType":2,"OperationType":0,"StoreResult":"StorePhysicalAddress: rntbd:.../, LSN: -1, GlobalCommittedLsn: -1, PartitionKeyRangeId: , IsValid: True, StatusCode: 410 , SubStatusCode: 0, RequestCharge: 0, ItemLSN: -1, SessionToken: , UsingLocalLSN: False, TransportException: 发生客户端传输错误:无法连接到远程端点。(时间:2020-02-21T16:34:11.5298608Z,活动ID:07fbf539-0d44-4e5a-89d0-cd46838ee605,错误代码:ConnectFailed [0x0005],基础错误:socket40D000000000000...内部异常堆栈跟踪结束 --- 11.5964152Z","ResourceType":2,"OperationType":0,"StoreResult":"StorePhysicalAddress: rntbd:.../, LSN: -1, GlobalCommittedLsn: -1, PartitionKeyRangeId: , IsValid: True, StatusCode: 410 , SubStatusCode: 0, RequestCharge: 0, ItemLSN: -1, SessionToken: , UsingLocalLSN: False, TransportException: 发生客户端传输错误:无法连接到远程端点。(时间:2020-02-21T16:34:11.5298608Z,活动ID:07fbf539-0d44-4e5a-89d0-cd46838ee605,错误代码:ConnectFailed [0x0005],基础错误:socket40D000000000000...内部异常堆栈跟踪结束 --- StatusCode:410,SubStatusCode:0,RequestCharge:0,ItemLSN:-1,SessionToken:,UsingLocalLSN:False,TransportException:发生客户端传输错误:无法连接到远程端点。(时间:2020-02-21T16:34:11.5298608Z,活动ID:07fbf539-0d44-4e5a-89d0-cd46838ee605,错误代码:ConnectFailed [0x0005],基础错误:socket40D000000000000...内部异常堆栈跟踪结束 --- StatusCode:410,SubStatusCode:0,RequestCharge:0,ItemLSN:-1,SessionToken:,UsingLocalLSN:False,TransportException:发生客户端传输错误:无法连接到远程端点。(时间:2020-02-21T16:34:11.5298608Z,活动ID:07fbf539-0d44-4e5a-89d0-cd46838ee605,错误代码:ConnectFailed [0x0005],基础错误:socket40D000000000000...内部异常堆栈跟踪结束 ---
我面临同样的问题。
对我有用的ConnectionMode是ConnectionMode.Gateway在初始化时更改为CosmosClient:
var options = new CosmosClientOptions() { ConnectionMode = ConnectionMode.Gateway };
var client = new CosmosClient(endpoint, key, options);
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有关更多详细信息,请参阅:
https://docs.microsoft.com/en-us/dotnet/api/microsoft.azure.cosmos.connectionmode?view=azure-dotnet
TransportException:发生客户端传输错误:无法连接到远程端点。(时间:2020-02-21T16:34:11.5298608Z,活动ID:07fbf539-0d44-4e5a-89d0-cd46838ee605,错误代码:ConnectFailed [0x0005],基础错误:socket错误ConnectionRefused
这意味着连接被拒绝。
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