Mikhail Fursov 写道:
IMHO if Log4J fails we have no chances to keep our behavour and must
follow
RI here.
+1
Best regards
On 10/19/06, Tony Wu <[EMAIL PROTECTED]> wrote:
I've tried Log4j on Harmony and found there are many failures caused
by one difference between RI and Harmony. The
Throwable.printStackTrace(PrintWriter) calls the *println* method of
PrinterWriter on RI whereas calls *print* twice(Obviously print
msssage then print a line separator) on Harmony. It will cause
different behavior when a user inherit the PrinterWriter and override
these two methods. Shall we fix it or leave as an non-bug difference?
refer to testcase below,
public class TestThrow {
public static void main(String[] args) {
MyWriter mw = new MyWriter(System.out);
Throwable throwable = new Exception("Just Testing");
throwable.printStackTrace(mw);
}
}
class MyWriter extends PrintWriter {
public MyWriter(OutputStream out) {
super(out);
}
public void print(String s) {
System.out.println("print");
}
public void println(String s) {
System.out.println("println");
}
}
OUTPUTS:
RI
println
HARMONY
print
print
--
Tony Wu
China Software Development Lab, IBM
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Spark Shen
China Software Development Lab, IBM
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