sql connection timeout

MySQL Workbench query timeout time out (Lost Connection) solution, mysqlworkbench When using MySQL Workbench for query, if the query statement or table is too complex and the query time is too long (generally 600 s), the Lost Connection error is reported. In fact, the query statement executed at this time is still being executed, but the page display times out.

Originating From: http://blog.csdn.net/zljjava/article/details/202856791. Start with the client:2. Start from the server (requires server permissions)Modify/etc/ssh/sshd_config configuration file Clientaliveinterval 300 (default = 0)This parameter means that every 5 minutes, the server sends a message to the client to keep the connectionService sshd Reload in effectCentOS 5 Remote SSH connection timeout set

Document directory 1. Problem: 2. Theoretical calculation: 3. Test Cases TCP connection timeout and Test Cases 1. Problem: I encountered a problem at work: If a TCP connection cannot be established due to timeout, what is the timeout time? 2. Theoretical calculation: T

A few days ago when the data center to connect to the database server, the report rdquo; ORA-12170: TNS: Connection timeout rdquo ;. This error took me two days to solve the problem. A few days ago when the data center to connect to the database server, the report rdquo; ORA-12170: TNS: Connection timeout rdquo ;. This

ORA-12170: TNS: Connection timeout problem solved The virtual machine can access the database normally, but the physical machine connection to the database appeared "ORA-12170: TNS: Connection timeout", you can solve the problem with the following ideas.I. Check the network1

being sent, SSHD would disconnect the client, terminating the Ses-sion. It is important to note that the use of the client alive messages are very different from tcpkeepalive (below). The client alive messages is sent through the encrypted channel and therefore won't be spoofable. The TCP keepalive option enabled by Tcpkeepalive is spoofable. The client alive mechanism is valuable when the client or server depend on knowing when a connection have bec

Problem descriptionThe timeout has reached. The timeout time has reached, but the connection has not been obtained from the pool. This may occur because all pool connections are in use and the maximum pool size is reached.Note: An unhandled exception occurs during the execution of the current Web request. Check the stack trace information to learn about this erro

around 10s. [Dptech-developer-shell]telnet 10.101.0.206 3308Trying 10.101.0.206 ...Connected to 10.101.0.206.Escape character is ' ^] '.E5.0.67-community-nt-log? Hc95Virtual Machine (Ubuntu): Telnet, immediately get the MySQL server back [root]~# telnet 10.101.0.206 3308Trying 10.101.0.206 ...Connected to 10.101.0.206.Escape character is ' ^] '.E5.0.67-community-nt-log? d% (; 1$]+,￠! ZDH '? G) 6r]yconnection closed by foreign host. It takes a short time here. 2, through the program to verify

The timeout period has expired. Time out before the operation completes or the server is not responding "(Linq connection database, MySQL database)The first type:_db. Connect.connecttimeout = 500;//program errorBecause the timeout property of Connect is read-only_db.commandtimeout = 500; Normal operation at this timeThe second type: (Simple test)SqlConnection con

Presumably everyone will encounter the connection timeout problem when using MySQL, as shown in: is this exception ( Com.mysql.jdbc.exceptions.jdbc4.CommunicationsException:Communications link failure Last packet sent to the server is X Ms ago), because the MySQL service was disconnected after a long period of disconnection, the first request after disconnecting throws the exception. So since it is the

After successfully installing ORACLE 10g on Red Hat Enterprise Linux Server Releae 5.5, After configuring TNS on the client, test whether you can connect to the data block Server with the error: ORA-12170: TNS: Connection timeout1: First, check whether the network can be pinged. As shown below, the network is smooth. 2: Check the TNS configuration (TNS configuration is normal) GSP =(DESCRIPTION =(ADDRESS = (PROTOCOL = TCP) (HOST = 172.20.36.79) (PORT

Php connects to multiple databases and times out RT. now I have multiple databases, some of which are still on different physical machines, and each database has the same table, now we need to query the centralized display of the same table in each Database. how can we solve this problem? Now I am using a method where every DB is connected and the page is output after query. the speed is very slow in the case of thousands of DBS, and no 504 timeout o

IntroducedYou may have noticed that. Net System.Net.Sockets.TcpClient and System.Net.Sockets.Socket do not provide a time-out control mechanism directly for Connect/beginconnect. Therefore, when the server is not listening, or a network failure occurs, the client connection request is forced to wait for a long time until an exception is thrown. The default wait time is up to 20~30s. Net Socket Library Socketoptionname.sendtimeout provides a time-out f

Mysql modification connection timeout in Linux bitsCN.com Connection modification timeout for mysql in Linux 1. First, go to mysql and check whether the value wait_timeout and interactive_timeout are the default 8 hours (that is, 28800) [Root @ server110 ~] # Mysql-u root-p Enter password: Enter the password Run the

My project is using hibernate to perform database operations.The MySQL connection timeout problem, estimated that many people have encountered: the general situation is the case, the development of the test program is normal, one to the next day out of the first inexplicable error, such as in my project is scheduled task execution, one o'clock in the morning every day, that is, 24 hours every 24 hours to ex