java.sql.SQLException: Connections could not be acquired from the underlying database!



at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:106)

at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:529)

at com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(AbstractPoolBackedDataSource.java:128)

at com.isoft.idi.core.datasource.C3p0Pool.getDataStore(C3p0Pool.java:102)

at com.isoft.idi.core.datasource.C3p0Pool.getDataStore(C3p0Pool.java:1)

at com.isoft.idi.dijob.DataSetMapper.transform(DataSetMapper.java:117)



at com.isoft.idi.dijob.DBToFileJob.run(DBToFileJob.java:58)

at com.isofthome.idiweb.web.util.CompoundJob.run(CompoundJob.java:74)

解决一：

jdbc:sqlserver://192.168.21.102:1433/TESTSQL改为

jdbc:sqlserver://192.168.21.102:1433;databaseName=TESTSQL

解决二：

 ComboPooledDataSource cpds = new ComboPooledDataSource();

// 设置超时，超时数字设置为18000就会出现上面的错误，改为180则正常了

cpds.setLoginTimeout(180);