eclipse - How to copy the error message from console to file in java? -

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this question has answer here:

printstream out = new printstream(new fileoutputstream("test2_output.txt"));  system.setout(out);

this above code not correct code.i require above file should contain error message produced in console. code error message console , copy message file.

you can redirect java standard out , standard error log files. in fact, here oracle's (user submitted blog) answer question:

https://blogs.oracle.com/nickstephen/entry/java_redirecting_system_out_and


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