On Wed, Sep 23, 2009 at 5:39 PM, Pion <onlee2...@gmail.com> wrote: > > Thanks for your reply, Toby. > > I am using log4j because I want to be consistent with some existing > modules/classes. I did the following: > > import org.apache.log4j.Logger; >
Whoops, saw the code and immediately thought it was using java.util.logging. > > I just saw > http://logging.apache.org/log4j/1.2/faq.html#duplicate-messages. > log4j<http://logging.apache.org/log4j/1.2/faq.html#duplicate-messages.%0Alog4j>call > is cumulative/additive. I called the > BasicConfigurator.configure(); methods more than once. Now it is > fixed. > Glad to see you solved the problem. > > Again, thanks. > > On Sep 23, 2:20 pm, Toby Reyelts <to...@google.com> wrote: > > 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. > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to google-appengine-java@googlegroups.com To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en -~----------~----~----~----~------~----~------~--~---
