[http-nio-8080-exec-9] com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getPoolManager

最新推荐文章于 2022-09-27 16:15:35 发布

vivid1993

最新推荐文章于 2022-09-27 16:15:35 发布

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本文链接：https://blog.youkuaiyun.com/qq_41997122/article/details/80226301

在进行JavaEE三层架构练习时遇到c3p0连接池配置问题，具体表现为com.mchange.v2.c3p0.ComboPooledDataSource相关参数设置不当导致的异常信息记录。涉及的问题包括连接池的初始化大小、最大连接数等关键配置。

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做简单的javaee 三层架构练习, 出现这个信息,暂时还未解决,先保存一下

信息 [http-nio-8080-exec-9] com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getPoolManager Initializing c3p0 pool... com.mchange.v2.c3p0.ComboPooledDataSource [ acquireIncrement -> 3, acquireRetryAttempts -> 30, acquireRetryDelay -> 1000, autoCommitOnClose -> false, automaticTestTable -> null, breakAfterAcquireFailure -> false, checkoutTimeout -> 30000, connectionCustomizerClassName -> null, connectionTesterClassName -> com.mchange.v2.c3p0.impl.DefaultConnectionTester, dataSourceName -> 2sqwub9vfweob17pvs8j|2b501c43, debugUnreturnedConnectionStackTraces -> false, description -> null, driverClass -> com.mysql.jdbc.Driver, factoryClassLocation -> null, forceIgnoreUnresolvedTransactions -> false, identityToken -> 2sqwub9vfweob17pvs8j|2b501c43, idleConnectionTestPeriod -> 30, initialPoolSize -> 10, jdbcUrl -> jdbc:mysql://127.0.0.1:3306/vivid_test, maxAdministrativeTaskTime -> 0, maxConnectionAge -> 0, maxIdleTime -> 30, maxIdleTimeExcessConnections -> 0, maxPoolSize -> 100, maxStatements -> 200, maxStatementsPerConnection -> 0, minPoolSize -> 10, numHelperThreads -> 3, numThreadsAwaitingCheckoutDefaultUser -> 0, preferredTestQuery -> null, properties -> {user=******, password=******}, propertyCycle -> 0, testConnectionOnCheckin -> false, testConnectionOnCheckout -> false, unreturnedConnectionTimeout -> 0, usesTraditionalReflectiveProxies -> false ]