"validation-query-timeout" 是一个配置参数,通常用于数据库连接池配置中,以指定在执行连接验证查询(如SELECT 1)时的超时时间。这个参数对于确保数据库连接的活跃性和可用性至关重要。以下是关于 "validation-query-timeout" 默认值的详细回答: 上下文和用途: "validation-query-timeout" 主要用
info("{} - Failed to set query timeout for statement. ({})", poolName, e.getMessage()); } } } } 如果是jdbc4的话,可以使用isUseJdbc4Validation,是直接利用connection.isValid(validationSeconds)来验证连接的有效性;否则的话则用connectionTestQuery查询语句来查询验证。 this.isUseJdbc4Validation =...
spring.datasource.validation-interval 执行连接验证的间隔时间,单位为毫秒 spring.datasource.validation-query 在连接池里的连接返回给调用者或连接池时,要执行的验证 SQL 查询 spring.datasource.validation-query-timeout 在连接验证查询执行失败前等待的超时时间,单位为秒 spring.datasource.validation-timeout 在连接...
connection.setNetworkTimeout(netTimeoutExecutor, (int) timeoutMs); } } /** * Set the query timeout, if it is supported by the driver. * * @param statement a statement to set the query timeout on * @param timeoutSec the number of seconds before timeout */ private void setQueryTim...
我们首先来看一下validationTimeout用在了哪里的纲要图: img Write 我们可以看到在两处看到validationTimeout的写入,一处是PoolBase构造函数,另一处是HouseKeeper线程。 PoolBase 在com.zaxxer.hikari.pool.PoolBase中的构造函数声明了validationTimeout的初始值,而该值真正来自于com.zaxxer.hikari.HikariConfig的Default ...
(isNetworkTimeoutSupported!=TRUE){setQueryTimeout(statement,validationSeconds);}statement.execute(config.getConnectionTestQuery());}}finally{setNetworkTimeout(connection,networkTimeout);if(isIsolateInternalQueries&&!isAutoCommit){connection.rollback();}}returntrue;}catch(Exception e){lastConnectionFailure...
However, no query timeout is set for the statements (and in JDBC40ConnectionValidation case, connection.isValid() is called with a value of '0' which disables timeout as per spec). This can cause blockage issues in certain scenarios - I've got a non-production environment with a very ...
Jul 19 10:25:34 tacacs-server tacacsd[25440]: login query from ppp.corpX.com TTY13 for user26 accepted LOGOUT Jul 19 10:25:34 tacacs-server tacacsd[25441]: validation request from staffppp-01.net.yale.edu [Type=7] Jul 19 10:25:34 tacacs-server tacacsd[25441]: logout from staff...
TriggerRunsQueryResponse TriggerRuntimeState TriggerSubscriptionOperationStatus Triggers TumblingWindowFrequency TumblingWindowTrigger TumblingWindowTriggerDependencyReference TwilioLinkedService TypeConversionSettings UntilActivity UpdateIntegrationRuntimeNodeRequest UpdateIntegrationRuntimeRequest UserAccessPolicy UserProperty ...
checkoutTimeout:当连接池用完时客户端调用getConnection()后等待获取新连接的时间,超时后将抛出SQLException,如设为0则无限期等待。单位毫秒,默认为0; connectionTesterClassName: 通过实现ConnectionTester或QueryConnectionTester的类来测试连接,类名需设置为全限定名。默认为 com.mchange.v2.C3P0.impl.DefaultConnectionTe...