“我如何删除/处理此异常”;java com.mchange.v2.c3p0.codegen.beangenadasourcegenerator<;xml>&书信电报;OutputFile.java>&引用;
当我尝试为Mysql运行ConnectionPOOL.java代码时,我遇到了这个错误 java com.mchange.v2.c3p0.codegen.beangenadasourcegenerator “infle.xml OutputFile.java” 公共类MysqlPool{ 专用组合池数据源CPD 私有静态易失性MysqlPool实例 私有MysqlPool(){ cpds=新的ComboPooledDataSource() 试一试{ setDriverClass(MysqlConnect.DRIVER);//加载jdbc驱动程序 setJdbcUrl(MysqlConnect.URL+MysqlConnect.DB_NAME) setUser(MysqlConnect.USER_NAME) 设置密码(MysqlConnect.PASSWORD) 设置最小池大小(5) cpds.setAcquireIncrement(5) 设置最大池大小(20) 捕获(PropertyVetOe异常){ e、 printStackTrace() } } 公共静态MysqlConnect getConnection()引发SQLException{“我如何删除/处理此异常”;java com.mchange.v2.c3p0.codegen.beangenadasourcegenerator<;xml>&书信电报;OutputFile.java>&引用;,java,mysql,xml,Java,Mysql,Xml,当我尝试为Mysql运行ConnectionPOOL.java代码时,我遇到了这个错误 java com.mchange.v2.c3p0.codegen.beangenadasourcegenerator “infle.xml OutputFile.java” 公共类MysqlPool{ 专用组合池数据源CPD 私有静态易失性MysqlPool实例 私有MysqlPool(){ cpds=新的ComboPooledDataSource() 试一试{ setDriverClass(MysqlCon
MysqlPool localInstance = instance;
if (localInstance == null) {
synchronized (MysqlPool.class) {
localInstance = instance;
if (localInstance == null) {
instance = localInstance = new MysqlPool();
}
}
}
return new MysqlConnect(localInstance.cpds.getConnection());
}
}
这不是一个错误,这是一个Java cli命令。告诉我们你做了什么。你的代码在哪里?包括stacktrace在内的确切错误是什么?我已经在mysql中为连接池编写了代码
MysqlPool localInstance = instance;
if (localInstance == null) {
synchronized (MysqlPool.class) {
localInstance = instance;
if (localInstance == null) {
instance = localInstance = new MysqlPool();
}
}
}
return new MysqlConnect(localInstance.cpds.getConnection());
}
}