[logback-user] Problem with Logging in Linux
Oliver Zemann
oliver.zemann at gmail.com
Tue Aug 28 09:12:47 CEST 2012
I added the directory of the project to the libraries (in Netbeans)
and it was working as expected. Now i need to find a way how i can
configure this (extending classpath that the logback.xml is found) in
the productive system.
Thanks!
2012/8/27 Wu, Jun 2 <Jun2.Wu at cibc.com>:
> Let's say you logback.xml is in the lib folder and lib folder full path
> suppose as "/opt/TestApp/lib"
>
> Your classpath should include /opt/testApp/lib
>
>
>
> ________________________________
>
> From: logback-user-bounces at qos.ch [mailto:logback-user-bounces at qos.ch] On
> Behalf Of Adam Gordon
>
>
> Sent: Monday, August 27, 2012 1:33 PM
> To: logback users list
> Subject: Re: [logback-user] Problem with Logging in Linux
>
>
>
> I could be wrong, but I seem to recall that you cannot use the -cp flag when
> using -jar. I think it tries to get the classpath from the JAR's manifest.
>
> --adam
>
> http://gordonizer.com
>
>
> On Mon, Aug 27, 2012 at 10:15 AM, Oliver Zemann <oliver.zemann at gmail.com>
> wrote:
>
> The problem is that its not reliable to put the logback.xml into the
> jar. Is there a way to do that with command line? I tried with java
> -cp . -jar dist\AntTest.jar which was also not working. The
> logback.xml was located in .
>
> 2012/8/27 Abraham Lin <abraham.lin at post.harvard.edu>:
>> The "lib" folder is generally not on the classpath; however, JARs within
>> the
>> folder are. If you know that other libraries are being successfully loaded
>> from the "lib" folder, then one thing to try is to create a minimal JAR
>> containing just logback.xml. The other option would be to just package
>> logback.xml with the rest of your application code (which is what Maven
>> does
>> with items under src/main/resources by default).
>>
>> -Abraham
>>
>>
>> On Mon, Aug 27, 2012 at 11:07 AM, Oliver Zemann <oliver.zemann at gmail.com>
>> wrote:
>>>
>>> How to reproduce:
>>>
>>> Create a new Java Application in Netbeans with following content:
>>>
>>> package com.logbackanttest;
>>>
>>> import ch.qos.logback.classic.LoggerContext;
>>> import ch.qos.logback.core.util.StatusPrinter;
>>> import org.slf4j.Logger;
>>> import org.slf4j.LoggerFactory;
>>>
>>> public class LogbackAntTest {
>>> private static final Logger LOG =
>>> LoggerFactory.getLogger(LogbackAntTest.class);
>>> /**
>>> * @param args the command line arguments
>>> */
>>> public static void main(String[] args) {
>>> LOG.trace("TRACING");
>>> LOG.error("ERROR");
>>> LoggerContext lc = (LoggerContext)
>>> LoggerFactory.getILoggerFactory();
>>> // print logback's internal status
>>> StatusPrinter.print(lc);
>>>
>>> }
>>> }
>>>
>>> Now try to get it working ;)
>>>
>>> I really tried alot, but it makes no difference where i copy the
>>> logback.xml into. I tried it with the dist/ folder, with the lib
>>> folder (which must be in the classpath, otherwise the application
>>> would not start at all).
>>> I have absolutly no idea whats going on - i guess with maven it just
>>> copies the logback.xml into the jar and uses that (i created a
>>> jar-with-dependencies).
>>>
>>>
>>>
>>> 2012/8/27 Oliver Zemann <oliver.zemann at gmail.com>:
>>> > I was able to easily get it working with maven when i copied the file
>>> > into my resources folder, but it is not working with ant. Somehow it
>>> > is not found, in that case all debugging options in the xml makes no
>>> > sense as this is just not found.
>>> >
>>> > I tested it with StatusPrinter and printing the LoggerContext:
>>> >
>>> > run:
>>> > 12:58:06.590 [main] ERROR com.logbackanttest.LogbackAntTest - ERROR
>>> > 12:58:06,545 |-INFO in ch.qos.logback.classic.LoggerContext[default] -
>>> > Could NOT find resource [logback.groovy]
>>> > 12:58:06,545 |-INFO in ch.qos.logback.classic.LoggerContext[default] -
>>> > Could NOT find resource [logback-test.xml]
>>> > 12:58:06,545 |-INFO in ch.qos.logback.classic.LoggerContext[default] -
>>> > Could NOT find resource [logback.xml]
>>> > 12:58:06,546 |-INFO in ch.qos.logback.classic.LoggerContext[default] -
>>> > Setting up default configuration.
>>> >
>>> > I am currently in the project root directory, where a logback.xml is
>>> > located. Also the dist folder (created by netbeans) contains a
>>> > logback.xml and inside this dist folder the folder lib is created
>>> > (containing the 3 jars, logback common, classic and slf4j) where also
>>> > a logback.xml is located.
>>> >
>>> > 2012/8/27 Oliver Zemann <oliver.zemann at gmail.com>:
>>> >> The problem is that the software is running productive on customer
>>> >> side, so there is no way to just deinstall the application and
>>> >> reinstall it...
>>> >>
>>> >> * What version of logback and slf4j are you using?
>>> >> logback 1.0.6 (classic and core), slf4j-api 1.6.5
>>> >>
>>> >> * Which flavor (and version) of Linux are you running?
>>> >> CentOS 5.8 and 6.3
>>> >>
>>> >> * Does the same problem occur when you try your logback config in a
>>> >> simple
>>> >> HelloWorld app (outside of install4j)?
>>> >> Just tried it with creating a standalone jar from maven
>>> >> (jar-with-dependencies) and its working as expected but its embedded
>>> >> now. will check this in a few moments.
>>> >>
>>> >> Regards,
>>> >> Oli
>>> >>
>>> >> 2012/8/27 Thorbjørn Ravn Andersen <thunderaxiom at hotmail.com>:
>>> >>> Have you enabled automatic printing of status messages in case of
>>> >>> warming or
>>> >>> errors?
>>> >>>
>>> >>>
>>> >>>
>>> >>> (see
>>> >>>
>>> >>>
>>> >>> http://logback.qos.ch/manual/configuration.html#automaticStatusPrinting)
>>> >>>
>>> >>>
>>> >>>
>>> >>> It will go to your console.
>>> >>>
>>> >>>
>>> >>>
>>> >>> From: logback-user-bounces at qos.ch
>>> >>> [mailto:logback-user-bounces at qos.ch]
>>> >>> On
>>> >>> Behalf Of Tony Trinh
>>> >>> Sent: 25. august 2012 23:57
>>> >>> To: logback users list
>>> >>> Subject: Re: [logback-user] Problem with Logging in Linux
>>> >>>
>>> >>>
>>> >>>
>>> >>> On Fri, Aug 24, 2012 at 6:52 AM, Oliver Zemann
>>> >>> <oliver.zemann at gmail.com>
>>> >>> wrote:
>>> >>>
>>> >>> Hi, i have the absolut identical file for Windows which works as
>>> >>> expected (logging), but not for linux:
>>> >>>
>>> >>> http://rifers.org/paste/show/1801
>>> >>>
>>> >>> There is just no logging - i started everything as root. Even when i
>>> >>> use the FileAppender with its file name property set to "somelog.log"
>>> >>> or "/root/somelog.log" it just saves nothing and i have no idea why.
>>> >>>
>>> >>> I used updatedb && locate to find a file called like this but there
>>> >>> was nothing. Also lsof with a grep find nothing opened. So it is
>>> >>> really not logging.
>>> >>>
>>> >>> Regards,
>>> >>> Oli
>>> >>>
>>> >>>
>>> >>>
>>> >>> Your config for the RollingFileAppender is missing the <file>
>>> >>> element.
>>> >>> The
>>> >>> manual contains a good example of all the necessary elements [1].
>>> >>> logback
>>> >>> should print a warning in the debug output for this.
>>> >>>
>>> >>>
>>> >>>
>>> >>> It would be helpful if you provided additional details to reproduce
>>> >>> the
>>> >>> problem:
>>> >>>
>>> >>>
>>> >>>
>>> >>> * What version of logback and slf4j are you using?
>>> >>>
>>> >>> * Which flavor (and version) of Linux are you running?
>>> >>>
>>> >>> * Does the same problem occur when you try your logback config in a
>>> >>> simple
>>> >>> HelloWorld app (outside of install4j)?
>>> >>>
>>> >>>
>>> >>>
>>> >>> FYI, your logback config works (writes to a file) for me in Android.
>>> >>>
>>> >>>
>>> >>>
>>> >>> It looks like Install4j supports a console [2], when running the
>>> >>> installer
>>> >>> with "-c". It might be worth seeing if logback's debug-output prints
>>> >>> in that
>>> >>> console.
>>> >>>
>>> >>>
>>> >>>
>>> >>> [1]:
>>> >>> http://logback.qos.ch/manual/appenders.html#logback-RollingTimeBased
>>> >>>
>>> >>> [2]: http://www.ej-technologies.com/products/install4j/whatsnew4.html
>>> >>>
>>> >>>
>>> >>>
>>> >>>
>>> >>> _______________________________________________
>>> >>> Logback-user mailing list
>>> >>> Logback-user at qos.ch
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>>
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