Same entries in stderr and catalina logs

HI all I thought there was some problem with my earlier post. So i am reposting. i am running tomcat 5.5.9 as a service in windows xp. i see log files are created under the log folder correctly. My question is that i see same entries in catalina and stderr files. following is the entry of both

same entries in stderr and catalina logs

HI all i am running tomcat 5.5.9 as a service in windows xp. i see log files are created under the log folder correctly. My question is that i see same entries in catalina and stderr files. following is the entry of both the files. Any idea why this is happenning? Thanks in advance. Naveen Apr