cmd window, stuck out of the question

2010-03-29  来源:本站原创  分类:Java  人气:184 

Access to a jsp, the jsp contains a lot of System.out.println print statements of a particular operation is not suddenly discovered that the console output, and sometimes and sometimes does not output the output of this uncertainty is difficult to conclude that, once suspected to be

1. Jetty problems of their own
2. Response.flushBuffer
3. System.out.println
4. System.out.println too much

Last 11 exclusion, was originally the mouse point of the cmd window, cause it is selected, then cut back to even the smallest of the original system, System.out.println resources are occupied, the statement is a single-threaded, so the program flow been stuck in here, resulting in stuck state, do a test, if it is in a new thread to print, then select Control Panel to see if it will get stuck:

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