- logback-user - mailman3.qos.ch

The path in the logback.xml configuration is important, cannot send a message. You encounter this kind of situation?
by linxingming＠fulongtech.cn 13 Aug '14

13 Aug '14

Why I can not send mail? <appender name="SMTP" class="ch.qos.logback.access.net.SMTPAppender"> <layout class="ch.qos.logback.access.html.HTMLLayout"> <Pattern>%h%l%u%t%r%s%b</Pattern> </layout> <b> <Evaluator class="ch.qos.logback.access.net.URLEvaluator"> <URL>index.jsp</URL> <URL>/WEB-INF/jsp/ems/viewRepairApplication.jsp</URL> </Evaluator> </b> <SMTPHost>smtp.sina.com</SMTPHost> <From></From> <To></To> </appender> <appender-ref ref="SMTP" /> linxingming(a)fulongtech.cn

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Re-create log file if it gets deleted
by Dessie K 12 Aug '14

12 Aug '14

Hi, I'm using a RollingFileAppender with the size&time based rolling policy SizeAndTimeBasedFNATP. If for some reason the log file gets deleted I need to re-create it. I checked and currently this doesn't happen. Any pointers on how this can be done?

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FixedWindowRollingPolicy has max 20?
by Dessie K 12 Aug '14

12 Aug '14

I'm trying to have a large window size 200. But noticed it is fixed to max 20: https://github.com/qos-ch/logback/blob/master/logback-core/src/main/java/ch… Why is 20 the max? An is there anyway to force it to use a larger window size?

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Logging stack traces to rsyslog with SysLogAppender
by Samuel Le Berrigaud 07 Aug '14

07 Aug '14

Hi all, I’ve configured the syslog appender successfully to output logs to rsyslog as this is what we use in our dev and prod env. This works well but for one thing. I don’t get stack traces at all. Searching the inter webs I couldn’t find the solution to this. It seems like others have the issue the other way around, which is rather amusing (I guess). My configuration of the syslog appender looks like this: <appender name="syslog" class="ch.qos.logback.classic.net.SyslogAppender"> <syslogHost>${syslog.host:-localhost}</syslogHost> <facility>${syslog.facility:-local0}</facility> <suffixPattern>${syslog.program:-my-program}: %-5level - [%thread] %msg%n</suffixPattern> </appender> I’m using version 1.1.2 of logback classic (behind slf4j 1.7.7). Any hint of where I should look is much appreciated. Thanks, Samuel Le Berrigaud.

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jar version of javadoc
by gokturk mavus 07 Aug '14

07 Aug '14

where can I find jar version of your project javadoc? whenever I have run plugin of fix copyright, your api is marked with my licence. If it is not problem, I will publish your api with my name. Can you share jar version of your project so that fix copyright will not touch your api?

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Reg:Logback configuration on Weblogic 12.1.2
by Sujeet Narayanan 06 Aug '14

06 Aug '14

Hi, I am trying to configure logback v1,1,2 and slf4j1.7.7 on Weblogic 12.1.2. i was successfully running logbackv0.9.28 and slf4j1.6.1 on weblogic 10.3.2. But the configuration on weblogic 12.1.2 and JDK1.7 does not seem to work. The folder where I have the logback.xml is in the application server classpath and the necessary jars are on the server classpath. but the logback configuration does not seem to get picked up. i would appreciate any inputs from you in this regard. -- *Regards,* *Sujeet*

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why Logback generates two log files?
by rampernati 28 Jul '14

28 Jul '14

Iam using Logback1.1.2 for logging and i am using Rollingfile appender and Time based rolling policy. It generates two files one with the log file (sample.log) and the other with yesterday's date (sample-2014-07-27.0.log). I am not sure why this is happening. Appreciate if anybody help on this. <appender name="ROLLING" class="ch.qos.logback.core.rolling.RollingFileAppender"> <if condition='property("logFolder").contains("log")'> <then> <file>${logFolder}/Sample/sample.log</file> </then> <else> <file>sample.log</file> </else> </if> <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy"> <fileNamePattern>sreg-%d{yyyy-MM-dd}.%i.log</fileNamePattern> <timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP"> <maxFileSize>50MB</maxFileSize> </timeBasedFileNamingAndTriggeringPolicy> </rollingPolicy> <encoder> <pattern>[%d{ISO8601}] [%-18thread] - %-25c{0} - %-5p - %msg%n</pattern> </encoder> </appender> -- View this message in context: http://logback.10977.n7.nabble.com/why-Logback-generates-two-log-files-tp13… Sent from the Users mailing list archive at Nabble.com.

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How to get rollingfileappender to roll over based on log size
by Jeremy Kane 28 Jul '14

28 Jul '14

I've been trying to get the rollinglogfileappender to roll-over at a certain file size, but I've had no luck. I can get it to roll over at midnight each night, but I still would prefer to either combine them or have it just be file-size limited. My config is such: // Rolling Log Appender String fileDirectory = KanetikApplication.getFileDirectory(context); RollingFileAppender<ILoggingEvent> rollingFileAppender = new RollingFileAppender<ILoggingEvent>(); rollingFileAppender.setContext(loggerContext); rollingFileAppender.setAppend(true); rollingFileAppender.setFile(fileDirectory + "/log.txt"); TimeBasedRollingPolicy<ILoggingEvent> rollingPolicy = new TimeBasedRollingPolicy<ILoggingEvent>(); rollingPolicy.setMaxHistory(2); rollingPolicy.setFileNamePattern(fileDirectory + "/log.%d.txt"); rollingPolicy.setParent(rollingFileAppender); rollingPolicy.setContext(loggerContext); rollingPolicy.start(); rollingFileAppender.setRollingPolicy(rollingPolicy); PatternLayoutEncoder fileEncoder = new PatternLayoutEncoder(); fileEncoder.setContext(loggerContext); fileEncoder.setPattern("%d{h:mm:ss} %level - %msg%n"); fileEncoder.start(); rollingFileAppender.setEncoder(fileEncoder); rollingFileAppender.start(); // LogCat Appender PatternLayoutEncoder logcatEncoder = new PatternLayoutEncoder(); logcatEncoder.setContext(loggerContext); logcatEncoder.setPattern("%msg%n"); logcatEncoder.start(); PatternLayoutEncoder tagEncode = new PatternLayoutEncoder(); tagEncode.setContext(loggerContext); tagEncode.setPattern(tag); tagEncode.start(); LogcatAppender logcatAppender = new LogcatAppender(); logcatAppender.setContext(loggerContext); logcatAppender.setEncoder(logcatEncoder); logcatAppender.setTagEncoder(tagEncode); logcatAppender.start(); // add the newly created appenders to the root logger; // qualify Logger to disambiguate from org.slf4j.Logger ch.qos.logback.classic.Logger root = (ch.qos.logback.classic.Logger) LoggerFactory.getLogger(Logger.ROOT_LOGGER_NAME); root.setLevel(level); root.addAppender(rollingFileAppender); root.addAppender(logcatAppender); Can anyone tell me why it's not working? Thanks! J

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Why would logback ever READ the log file it is writing to?
by Steve Cohen 21 Jul '14

21 Jul '14

In our java application that uses logback, and running under Windows 7, the sysinternals process monitor (www.sysinternals.com) shows that the java process is READING the application's log file. Why would this be? I had thought that an appender would only append to the end of the log file and am surprised to see this, especially after I insisted it couldn't be true. Can someone explain why logback would need to READ a logfile? I can categorically say that none of the application's code reads the file. Steve Cohen

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logback and lz4 compression
by Feroz Raihan 15 Jul '14

15 Jul '14

Hi All, I know that logback can be used in java application and can support rotating log files with gzip compression. How about i want to compress the files with other compression algorithm say lz4. Is there any way I can achieve this? Thanks.

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