我的设置,能正常使用
classpath中包含mm.mysql-2.0.4-bin.jar
  <JDBCConnectionPool
    CapacityIncrement="5"
    DriverName="org.gjt.mm.mysql.Driver"
    InitialCapacity="10"
    MaxCapacity="100"
    Name="j2ee-examples-demoPool"
    Properties="user=root"
    RefreshMinutes="0"
    ShrinkPeriodMinutes="15"
    ShrinkingEnabled="true"
    Targets="myserver"
    TestConnectionsOnRelease="false"
    TestConnectionsOnReserve="false"
    URL="jdbc:mysql://localhost/j2ee_sample"
  />  <JDBCDataSource
    JNDIName="jdbc/j2ee_sample"
    Name="jdbc/j2ee_sample"
    PoolName="j2ee-examples-demoPool"
    Targets="myserver"
  />