You need to configure logging appropriately. We use logback for logging. Default config file is here: https://github.com/apache/incubator-s4/blob/dev/subprojects/s4-core/src/main/resources/logback.xml
logback manual is here: http://logback.qos.ch/ Regards, Matthieu On Jun 13, 2013, at 14:11 , "??????" <654125...@qq.com> wrote: > Hi,is there any method to make the screen output of to files? > When the project is running,there would like to be some Exceptions or Errors. > However,the screen output is so rapid that I can't check the exceptions > before the screen scrolled. > Could you help me? > Thanks!