connection

问题 I am executing load test using JMeter where users are suppose to do Launch -- Login -- clk dashboard Page -- clk landing page (the page which come after login i.e. home page) where clk dashboard and clk landing page are repetitive action for 5 times. Till 30 users I am not getting any error when i increased users load i am start getting an error as Response code: Non HTTP response code: org.apache.http.conn.HttpHostConnectException Response message: Non HTTP response message: Connection to

问题 I'm using StackExchange.Redis with C# and the StackExchangeRedisCacheClient.Get function throws the following exception. myCacheClient.Database.StringGet(txtKey.Text) 'myCacheClient.Database.StringGet(txtKey.Text)' threw an exception of type 'System.TimeoutException' StackExchange.Redis.RedisValue {System.TimeoutException} Message "Timeout performing GET hi, inst: 12, mgr: ExecuteSelect, err: never, queue: 2, qu: 2, qs: 0, qc: 0, wr: 0, wq: 1, in: 0, ar: 0, IOCP: (Busy=0,Free=1000,Min=4,Max

问题 I am trying to perform a connection to mongodb using mongoose but it throws an error. Here is my code: mongoose.connect("mongodb+srv://username:password@cluster0-bocic.mongodb.net/test?retryWrites=true", {useNewUrlParser: true}) .then(()=>console.log("Database connected...")) .catch(err=>console.log(err)); Here is the error: [0] { MongoNetworkError: failed to connect to server [cluster0-shard-00-01-bocic .mongodb.net:27017] on first connect [MongoNetworkError: connection 5 to cluster 0-shard

问题 I'm using Java 11 (Maven project) for mongodb Free Tier Cluster (Version 4.0.13). I'm trying to connect via connection-string (for 3.6 drivers or later) like: mongodb+srv://user:pass@cluster0-ox90k.mongodb.net/test?retryWrites=true&w=majority and by the same way via connection-string (for 3.4 driver or later): mongodb://user:pass@cluster0-shard-00-00-ox90k.mongodb.net:27017,cluster0-shard-00-01-ox90k.mongodb.net:27017,cluster0-shard-00-02-ox90k.mongodb.net:27017/test?ssl=true&replicaSet

问题 I use ADODB.Connection and ADODB.Recordset to get data from csv files. The problem I am facing is that the delimiter seems not to work in case of semicolon (or other than comma). I am working with a semicolon as a delimiter. This is my code: Public Function getDataFromFile(path As String, filename As String) As ADODB.Recordset Dim cN As ADODB.Connection Dim RS As ADODB.Recordset Set cN = New ADODB.Connection Set RS = New ADODB.Recordset cN.Open ("Provider=Microsoft.ACE.OLEDB.12.0;Data Source=

问题 I want to connect to cassandra but got this error: $ bin/cqlsh Connection error: ('Unable to connect to any servers', {'192.168.1.200': error(10061, "Tried connecting to [('192.168.1.200', 9042)]. Last error: No connection could be made because the target machine actively refused it")}) 回答1: Pretty simple. The machine is actively refusing it because your system does not have cassandra running on it. Follow the following steps to completely get rid of this trouble : Install Cassandra from

问题 Since Android Q doesn't allow the WifiManager to add Networks, they gave the advise to use WifiNetworkSpecifier instead. With the WifiNetworkSuggestionBuilder I was already able to display the notification on the statusbar, that user can join the network. But this API doesn't fulfill my requirements since that I don't the user to have to use the suggestion from the statusbar. With WifiNetworkSpecifier I was also already able to display a popup about joining the network and the app also

问题 I have an AWS server (MS SQL SERVER EXPRESS 2008 R2 with IIS), with an elastic IP of 54.214.8.111, security groups configured with HTTP, MS SQL and FTP, and I can connect to the remote virtual machine using the rdp file that amazon gives you in the console. However when I try to connect via visual studio to test if the database is working, it gives me a "Login failed for user 'dbuser' error. I have a user called dbuser on my SQL Server (on the server side of course) with full access

问题 I am having problem when running SSIS which extracts data from SharePoint list. SSIS Package was running fine till 2 weeks back and suddenly the package is failing with this error: [OData Source [56]] Error: Cannot acquire a managed connection from the run-time connection manager. [SSIS.Pipeline] Error: OData Source failed validation and returned error code 0xC020801F. [SSIS.Pipeline] Error: One or more component failed validation. Error: There were errors during task validation Tried:

问题 I just updated Nexus One with Android 2.3.3 and it seems that the bluetooth connection over SPP have stopped working in my app. The same app works alright in HTC Desrire with Android 2.2 and the same app use to work properly on Nexus One too. The problem started after upgrading to Android 2.3.3. Can anyone let me know what may be the issue? 回答1: I was able to solve this issue by using createInSecureRfcommSocket API and also there is a way of connecting through reflection for insecure