[appengine-java] Re: Extra log output

[Vatsa]

Hi Pion,
  Can you please explain how to use BasicConfigurator.configure();
Can I have something like a -Dlog4j.configuration=file:$log4jfile \

log4file is the actual log4j.properties file

Thanks
Vatsa


On Sep 23, 3:05 pm, Toby Reyelts  wrote:
> On Wed, Sep 23, 2009 at 5:39 PM, Pion  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.
> > log4jcall
> >  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  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  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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[appengine-java] Re: Extra log output

[Toby Reyelts]

On Wed, Sep 23, 2009 at 5:39 PM, Pion  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.
> log4jcall
>  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  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  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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[appengine-java] Re: Extra log output

[Pion]

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;

I just saw http://logging.apache.org/log4j/1.2/faq.html#duplicate-messages.
log4j call is cumulative/additive. I called the
BasicConfigurator.configure(); methods more than once. Now it is
fixed.

Again, thanks.

On Sep 23, 2:20 pm, Toby Reyelts  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  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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[appengine-java] Re: Extra log output

[Toby Reyelts]

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  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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