Debuggin of your own java Mapping code in XI

Dear all,

if you have sophisticated Mapping you have sometimes to write your ouwn mapping service in java to supplement the XI-Standardmapping functionality. Developing your own java source is done

with an external Java-IDE like eclipse. You can test its functionality local and when it ist ok you pack it into an archive an use it as a seperated Step in XI-Mapping.

Even if you have testet on your local environemt your could got Error when runnen in XI. So now how to find out what's going wrong. The best way is to debugg the source code like debugging an abap in R/3. But how can one debug the java code while the interface is running? How can a break point be stoped?

Have anyone done debugging in XI with java code already? Is it possible? Any idea will be wellcome.

thanks in advance.

Ly-Na Phu