The next line says to execute your JAR command and raise an error if unsuccessful.

下一行代码指定执行您的JAR命令，如果不成功则引发错误。

youdao

The SIGNAL statement is used to explicitly raise an error and force the invocation of a handler.

signal语句用于显式地发出一个错误并强制调用处理程序。

youdao

, field at its default value, which will raise an error if the connector with the database doesn't work.

字段保留默认值，如果和数据库连接的连接器不能运行，这就将报告一个错误。

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Mr. Franken is also trying to raise public doubt about an "undervote" -- suggesting that only machine error can explain why he received 12.2 percentage points fewer votes than did Barack Obama.

WSJ: Al Franken's Minnesota