只要在configPlugin里加上下面这段代码，就报404错误，去掉就正常，请教站长这是咋回事儿呀？我用的开发环境是Spring Tool Suite Version: 3.9.1.RELEASE

C3p0Plugin db = new C3p0Plugin(loadPropertyFile("db.conf"));

me.add(db);

ActiveRecordPlugin arp = new ActiveRecordPlugin(db);

arp.setShowSql(true);

me.add(arp);