Take for example the following application, which will generate a compilererrormessage.
分析下面这个应用的例子，它将产生一个编译错误的信息。
2
The original compilererrormessage is usually specific to a particular language construct and might not make the real cause or solution obvious to the user.
原始编译器错误讯息通常是特定语言建构特有的，真正原因或解决方案对使用者来说可能并不显著。
3
If I try to specify something else, I'll either get a compiler issue or Hadoop will error-out with a message describing a type mismatch.