使用c3p0连接池出现Initializing c3p0 pool...

[XH雪浪风尘]

使用myeclipse+sql server2008,写一个用户登录。输完用户名和密码后，

信息: Initializing c3p0 pool... com.mchange.v2.c3p0.ComboPooledDataSource [ acquireIncrement -> 3, acquireRetryAttempts -> 30, acquireRetryDelay -> 1000, autoCommitOnClose -> false, automaticTestTable -> null, breakAfterAcquireFailure -> false, checkoutTimeout -> 0, connectionCustomizerClassName -> null, connectionTesterClassName -> com.mchange.v2.c3p0.impl.DefaultConnectionTester, dataSourceName -> 1hge163a21yhaw4ntd6qcn|7e6268ad, debugUnreturnedConnectionStackTraces -> false, description -> null, driverClass -> com.microsoft.sqlserver.jdbc.SQLServerDriver, factoryClassLocation -> null, forceIgnoreUnresolvedTransactions -> false, identityToken -> 1hge163a21yhaw4ntd6qcn|7e6268ad, idleConnectionTestPeriod -> 0, initialPoolSize -> 3, jdbcUrl -> jdbc:sqlserver://127.0.0.1:1433;DatabaseName=LingshiShop, maxAdministrativeTaskTime -> 0, maxConnectionAge -> 0, maxIdleTime -> 0, maxIdleTimeExcessConnections -> 0, maxPoolSize -> 15, maxStatements -> 0, maxStatementsPerConnection -> 0, minPoolSize -> 3, numHelperThreads -> 3, numThreadsAwaitingCheckoutDefaultUser -> 0, preferredTestQuery -> null, properties -> {user=******, password=******}, propertyCycle -> 0, testConnectionOnCheckin -> false, testConnectionOnCheckout -> false, unreturnedConnectionTimeout -> 0, usesTraditionalReflectiveProxies -> false ]
java.sql.SQLException: 关键字 'user' 附近有语法错误。 Query: select * from user where username=? and password=? Parameters: [tom, 123]

login部分的代码，


输入数据库中的正确用户名和密码，但是结果为

并且报了java.sql.SQLException的错误，有大佬能解决下么

[离萧]

将你的if，else判断放在try板块里面

[离萧]

你上面捕捉了SQL异常，但是你又重新在外面进行判断，你之前捕捉的异常对于你使用的if，else判断无法起作用。

[XH雪浪风尘]

试了一下，还是不行