Hi all,
please note that the Throwable is a kernel class. It comes with VME.
On 10/19/06, Andrew Zhang <[EMAIL PROTECTED]> wrote:
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?
For this case, RI doesn't conflict with spec, and is reasonable, so I think
we'd better follow RI. Additionally, log4j has shown its dependency of this
feature!
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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>
--
Best regards,
Andrew Zhang
--
Tony Wu
China Software Development Lab, IBM
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