uk.ltd.getahead.dwr.impl.ExecuteQuery - Method execution failed
错误代码:
uk.ltd.getahead.dwr.impl.ExecuteQuery - Method execution failed:
java.lang.NullPointerException
at tudu.domain.dao.impl.UserDAOHibernate.getUser(UserDAOHibernate.java:23)
.............................................
WARN uk.ltd.getahead.dwr.impl.DefaultExecProcessor - Erroring: id[4508_1140169147828] message[uk.ltd.getahead.dwr.OutboundVariable@130f268]
错误原因:
是由于我没有对实例化dao.
解决方法:
对dao进行实例化
{
try {
_hibernateService = new HibernateServiceImpl();
}catch(Exception e){}
}
对接口的对像进行实例化
我一直以为接口的对像是不能实例化的
uk.ltd.getahead.dwr.impl.ExecuteQuery - Method execution failed:
java.lang.NullPointerException
at tudu.domain.dao.impl.UserDAOHibernate.getUser(UserDAOHibernate.java:23)
.............................................
WARN uk.ltd.getahead.dwr.impl.DefaultExecProcessor - Erroring: id[4508_1140169147828] message[uk.ltd.getahead.dwr.OutboundVariable@130f268]
错误原因:
是由于我没有对实例化dao.
解决方法:
对dao进行实例化
{
try {
_hibernateService = new HibernateServiceImpl();
}catch(Exception e){}
}
对接口的对像进行实例化
我一直以为接口的对像是不能实例化的
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