You're using java.util.logging, not log4j. What does your logging.properties
file look like?
On Wed, Sep 23, 2009 at 5:02 PM, Pion <onlee2...@gmail.com> wrote:
>
> I have the following code snippet:
>
> public class FooServiceImpl extends RemoteServiceServlet implements
> ControllerInputService {
>
> @Override
> public String bar(String input) {
> ...
> logger.debug("Entering ... bar()");
> ...
> }
>
> private static final Logger logger = Logger.getLogger
> (FooServiceImpl .class.getName());
> } // FooServiceImpl
>
> It prints out the following messages:
>
> 0 [btpool0-3] DEBUG com.col.server.FooServiceImpl - Entering ... bar()
> 0 [btpool0-3] DEBUG com.col.server.FooServiceImpl - Entering ... bar()
> 0 [btpool0-3] DEBUG com.col.server.FooServiceImpl - Entering ... bar()
>
> Notice that it prints out more than 1 time. I double/triple checked
> that I only call the bar() method once.
>
> Then, I modified the code as the following:
>
> public class FooServiceImpl extends RemoteServiceServlet implements
> ControllerInputService {
>
> @Override
> public String bar(String input) {
> ...
> counter++;
> logger.debug(counter + " Entering ... bar()");
> System.out.println(counter + " Entering ... bar() from
> System.out.println()");
> ...
> }
>
> private int counter = 0;
>
> private static final Logger logger = Logger.getLogger
> (FooServiceImpl .class.getName());
> } // FooServiceImpl
>
> It produces the following output:
>
> 0 [btpool0-3] DEBUG com.col.server.FooServiceImpl - 1 Entering ... bar
> ()
> 0 [btpool0-3] DEBUG com.col.server.FooServiceImpl - 1 Entering ... bar
> ()
> 0 [btpool0-3] DEBUG com.col.server.FooServiceImpl - 1 Entering ... bar
> ()
> 1 Entering ... bar() from System.out.println()
>
> Notice that there are still several log outputs (not as expected - I
> only expect only 1 output) but only one output from System.out.println
> () (as expected) and the counter is still 1 (as expected).
>
> My log4j.properties
>
> # A default log4j configuration for log4j users.
> #
> # To use this configuration, deploy it into your application's WEB-INF/
> classes
> # directory. You are also encouraged to edit it as you like.
>
> # Configure the console as our one appender
> log4j.appender.A1=org.apache.log4j.ConsoleAppender
> log4j.appender.A1.layout=org.apache.log4j.PatternLayout
> log4j.appender.A1.layout.ConversionPattern=%d{HH:mm:ss,SSS} %-5p [%c]
> - %m%n
>
> My environtments: GAE 1.2.5, GWT 1.7, Eclipse-Galileo on Windows
> Vista.
>
> Why do I have several log output?
>
> Thanks in advance for your help.
> >
>
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