The exception class thrown should be the most specific exception available that fits the error conditions 引发的异常类应该是符合错误条件的最确切的可用异常。
For example , you may want constants with values less than zero to represent error conditions 例如，可能希望值小于零的常数表示错误情况。在下面的枚举中，将值
It also performs bounds checking and eliminates indirect object access , even under error conditions 也执行数组维度检查和消除间接对象访问，甚至在错误的条件下。
Connection timed outan error condition occurred while reading data from the network . please retry your request 正在通过网络读取数据时发生了错误，请重新尝试。
Column is set to zero . this occurs when the error condition affects the entire row instead of a single column 当错误条件影响到整行而不是单列时，就会发生该情况。
Connection reset by peeran error condition occurred while reading data from the network . please retry your request 正在通过网络读取数据时发生了错误，请重新尝试。
That is why you might normally see logs only in extreme cases , like error conditions 这就是为什么我们通常只在极端的情况（例如错误条件）中才会看到要记录日志的原因。
Specialised cleanup stack for automatic cleanup of message server entries in error conditions 一个特别的清理堆栈，用于在出现错误的情况下，自动的清除消息服务器入口。
Wsaeconnreset , connection reset by peer . an error condition occurred while reading data from the network . please retry your request 正在通过网络读取数据时发生了错误，请重新尝试。
This value indicates that a user selected a cell when the previously selected cell had an error condition . display 该值表示用户在以前选定的单元格有错误的情况下选择了另一个单元格。
