ConnectionTimeout,connection timeout:连接超时等待时间,默认15s DefaultCommandTimeout,command timeout:MySqlCommand 超时时间,默认 30s UserID, uid, username, user name, user:数据库登录帐号 Password,pwd: 登录密码 PersistSecurityInfo:是否保持敏感信息,默认 false Encrypt:已经用 SSL 替代了,默认 false Certific...
importmysql.connectorfrommysql.connectorimportErrortry:# 创建连接connection=mysql.connector.connect(host='localhost',user='your_username',password='your_password',database='your_database',connection_timeout=5# 设置连接超时为5秒)ifconnection.is_connected():print("成功连接到 MySQL 数据库")exceptErroras...
FunctionsReturnString:所有服务器函数是否按返回字符串处理,默认 false UseAffectedRows:是否用受影响的行数替代查找到的行数来返回数据,默认 false OldGuids: 是否将 binary(16) 列作为 Guids,默认 false Keepalive: 保持 TCP 连接的秒数,默认0,不保持。 ConnectionLifeTime:连接被销毁前在连接池中保持的最少时...
importjava.sql.Connection;importjava.sql.DriverManager;importjava.sql.SQLException;publicclassMySQLConnection{publicstaticvoidmain(String[]args){Stringurl="jdbc:mysql://localhost:3306/mydatabase?user=root&password=123456&connectTimeout=10000&socketTimeout=30000&autoReconnect=true";try{Connectionconn=DriverMa...
setting the connection timeout. The ODBC drivers 5.2.4 and 5.2.5 use libmysqlclient 5.6 where the problem was fixed. Now we know that setting SQL_ATTR_LOGIN_TIMEOUT is working as expected in Connector/ODBC 5.2.5. Hence, we can proceed with adding the connection string and GUI dialog ...
要设置这些操作的超时时间,您需要分别设置socketTimeout和connectionTimeout参数。例如: String url = "jdbc:mysql://localhost:3306/mydatabase?connectTimeout=5000&socketTimeout=10000&readTimeout=15000"; 复制代码 在这个例子中,我们将连接超时时间设置为5秒(5000毫秒),读取操作超时时间设置为15秒(15000毫秒),...
ConnectionTimeout，connectiontimeout：连接超时等待时间，默认15s DefaultCommandTimeout，commandtimeout：MySqlCommand超时时间，默认30s UserID,uid,username,username,user：数据库登录帐号 Password，pwd：登录密码 PersistSecurityInfo：是否保持敏感信息，默认false Encrypt：已经用SSL替代了，默认false CertificateFile：证书...
Connection conn = DriverManager.getConnection(url); It doesn't work. This is the error stack: java.sql.SQLException: Unable to connect to any hosts due to exception: java.net.ConnectException: Connection timed out: connect ** BEGIN NESTED EXCEPTION ** ...
public class Tester extends IsValidOnlyConnectionTester{ protected int getIsValidTimeout() { return 30; } } 如果驱动不支持最新的API,默认情况下c3p0通过在连接上调用DatabaseMetaData的getTables()方法。这样可以与任何类型的数据库有效兼容,但是由于返回很大的数据量会对数据库连接池的性能造成显著影响;在JDBC...
http://dev.mysql.com/doc/refman/5.1/en/connector-net-connection-options.html and although this option is mentioned there appears to be no actual option to set it. can anyone help me ? thanks in advance. Subject Written By Posted [please help] connection idle timeout ...