我刚刚下载了 neo4j 桌面,并能够创建一个新的图形实例并进行连接。
- 这是连接消息您以用户 身份连接
neo4j到bolt://localhost:7687连接凭据存储在您的网络浏览器中。
我是 .NET 开发人员并尝试从https://neo4j.com/docs/developer-manual/3.2/drivers/get-started/下载示例 Hello Word 。
但是,引发了以下异常。请帮忙。
Neo4j.Driver.V1.ServiceUnavailableException
HResult=0x80131500
Message=Failed after retried for 5 times in 30000ms. Make sure that your database is online and retry again.
Source=Neo4j.Driver
StackTrace:
at Neo4j.Driver.Internal.ExponentialBackoffRetryLogic.Retry[T](Func`1 runTxFunc)
at Neo4j.Driver.Internal.Session.<>c__DisplayClass41_0`1.<RunTransaction>b__0()
at Neo4j.Driver.Internal.Logging.DriverLoggerUtil.TryExecute[T](IDriverLogger logger, Func`1 func, String message)
at Neo4j.Driver.Internal.Session.RunTransaction[T](AccessMode mode, Func`2 work, TransactionConfig txConfig)
at Neo4j.Driver.Internal.Session.WriteTransaction[T](Func`2 work, TransactionConfig txConfig)
at Neo4j.Driver.Internal.Session.WriteTransaction[T](Func`2 work)
at HelloWorldExample.PrintGreeting(String message) in D:\AI\neo4j\TestNeo4j\ConsoleApp1\Program.cs:line 21
at HelloWorldExample.Main() in D:\AI\neo4j\TestNeo4j\ConsoleApp1\Program.cs:line 42
Inner Exception 1:
AggregateException: One or more errors occurred.
Inner Exception 2:
ServiceUnavailableException: Connection with the server breaks due to SecurityException: Failed to establish encrypted connection with server bolt://localhost:7687/.
Inner Exception 3:
SecurityException: Failed to establish encrypted connection with server bolt://localhost:7687/.
Inner Exception 4: