localhost.2016-07-05.txt   //經常用到的檔案之一 ，程式異常沒有被捕獲的時候丟擲的地方

  catalina.2016-07-05.txt  //經常用到的檔案之一，程式的輸出，tomcat的日誌輸出等等

  manager.2016-07-05.txt //估計是manager專案專有的

  host-manager.2016-07-05.txt//估計是manager專案專有的

  localhost_access_log.2016-10-01.txt //tomcat訪問日誌記錄，需要配置

1.讓所有檔案都輸出到同一個檔案中

 開啟Tomcat目錄conf\logging.properties，修改如下，所有日誌輸出到tomcat開頭的檔案中

1catalina.org.apache.juli.FileHandler.level = FINE

1catalina.org.apache.juli.FileHandler.directory = ${catalina.base}/logs

# 1catalina.org.apache.juli.FileHandler.prefix = catalina.

1catalina.org.apache.juli.FileHandler.prefix = tomcat.

2localhost.org.apache.juli.FileHandler.level = FINE

2localhost.org.apache.juli.FileHandler.directory = ${catalina.base}/logs

# 2localhost.org.apache.juli.FileHandler.prefix = localhost.

2localhost.org.apache.juli.FileHandler.prefix = tomcat.

3manager.org.apache.juli.FileHandler.level = FINE

3manager.org.apache.juli.FileHandler.directory = ${catalina.base}/logs

# 3manager.org.apache.juli.FileHandler.prefix = manager.

3manager.org.apache.juli.FileHandler.prefix = tomcat.

4host-manager.org.apache.juli.FileHandler.level = FINE

4host-manager.org.apache.juli.FileHandler.directory = ${catalina.base}/logs

# 4host-manager.org.apache.juli.FileHandler.prefix = host-manager.

4host-manager.org.apache.juli.FileHandler.prefix = tomcat.