APPARENT DEADLOCK!!错误

Question

我百度了好多，都说把maxStatements设置为0，但是没有用，还是会产生这样的错误！

Answer 1

详细的配置文件如下：
<?xml version='1.0' encoding='UTF-8'?>
<Context docBase="E:\MyJavaApp\template\template\WebRoot" reloadable="false" path="">
<Resource name="jdbc/template"
                type="com.mchange.v2.c3p0.ComboPooledDataSource"
minPoolSize="10"
                maxPoolSize="50"
initialPoolSize="10"
maxIdleTime="7200"
acquireIncrement="5"
acquireRetryAttempts="30"
acquireRetryDelay="2000"
autoCommitOnClose="true"
idleConnectionTestPeriod="18000"
maxStatements="0"
checkoutTimeout="50000"
numHelperThreads="5"
                factory="org.apache.naming.factory.BeanFactory"
                user="root"
password="root"
                driverClass="com.mysql.jdbc.Driver"
                jdbcUrl="jdbc:mysql://localhost:8080/sd_template?autoReconnect=true" /> <Resource name="jdbc/test"
                type="com.mchange.v2.c3p0.ComboPooledDataSource"
minPoolSize="10"
                maxPoolSize="50"
initialPoolSize="10"
maxIdleTime="7200"
acquireIncrement="5"
acquireRetryAttempts="30"
acquireRetryDelay="2000"
autoCommitOnClose="true"
idleConnectionTestPeriod="18000"
maxStatements="0"
checkoutTimeout="50000"
numHelperThreads="5"
                factory="org.apache.naming.factory.BeanFactory"
                user="root"
password="root"
                driverClass="com.mysql.jdbc.Driver"
                jdbcUrl="jdbc:mysql://localhost:8080/sd_test?autoReconnect=true" />
</Context>