小编JB.*_*JB.的帖子

我正在尝试从这里编译代码:http://www.brackeen.com/javagamebook/#download(第6章),我遇到了麻烦.我不明白java.util.logging.Logger和log4j 如何协同工作,但这似乎是个问题.我得到的错误都在log.error()或log.warn()方法调用.

以下是NetBeans的输出:

init:
deps-clean:
Deleting directory C:\JB\NetBeansProjects\WRServer\build
Deleting directory C:\JB\NetBeansProjects\WRServer\dist
clean:
init:
deps-jar:
Created dir: C:\JB\NetBeansProjects\WRServer\build\classes
Compiling 23 source files to C:\JB\NetBeansProjects\WRServer\build\classes
C:\JB\NetBeansProjects\WRServer\src\com\hypefiend\javagamebook\server\GameServer.java:110: cannot find symbol
symbol  : method error(java.lang.String,java.lang.Exception)
location: class java.util.logging.Logger
            log.error("error initializing ServerSocket", e);
               ^
C:\JB\NetBeansProjects\WRServer\src\com\hypefiend\javagamebook\server\GameServer.java:152: cannot find symbol
symbol  : method warn(java.lang.String)
location: class java.util.logging.Logger
                log.warn("error during serverSocket select(): " + ioe.getMessage());
                   ^
C:\JB\NetBeansProjects\WRServer\src\com\hypefiend\javagamebook\server\GameServer.java:155: cannot find symbol
symbol  : method error(java.lang.String,java.lang.Exception)
location: class java.util.logging.Logger
                log.error("exception …