If the entry exists, it would be in the name service representation format.
如果条目存在，它应该是名称服务表示格式的。
2
The difference here is that the format string must identify, with each format specification, which dictionary entry will be used to provide the substitution.
这里的差异是，格式字符串必须为每个格式定义指定使用哪个词典条目提供替换。
3
Note that the CLASSPATH defined in the driver file entry must match the format required by the server machine.