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Error while integrating slf4j over log4j

maven,spring-mvc,logging,slf4j,log4j2
I am integrating sl4j over log4j for logging in my spring application, but while starting my tomcat , I am getting an error as : SLF4J: Class path contains multiple SLF4J bindings. SLF4J: Found binding in [jar:file:/E:/apache-tomcat-8/apache-tomcat-8.0.3/webapp s/ROOT/WEB-INF/lib/slf4j-jdk14-1.5.6.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: Found binding in [jar:file:/E:/apache-tomcat-8/apache-tomcat-8.0.3/webapps/ROOT/WEB-INF/lib/slf4j-log4j12-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: Found binding in...

Logging with slf4j and anyother logging framework( log4j/java.util.logging)

java,logging,slf4j
In my project am using slf4j + log4j for logging. Am new to java and trying to understand how logging works. If I want to use some other logging framework other than log4j say java.util.logging, then I don't have to change any code since am using slf4j. I just need...

SLF4J Linkage Error

java,jms,activemq,slf4j,websphere-8
I have configured JMS Provide in WebSphere Application Server that will use ActiveMQ. For sending message WebSphere needs "activemq-all-5.9.1.jar" in classpath so I added it. This "activemq-all" contains slf4j classes in it. Now my application contains "slf4j-api-1.7.5.jar". When I start WebSphere it gives Caused by: java.lang.LinkageError: org.slf4j.LoggerFactory at java.lang.ClassLoader.defineClassImpl(Native Method)...

IntelliJ: Is there an Intention Action to convert old style Log4J calls to new style SLF4J calls?

java,intellij-idea,slf4j,intellij-idea-14
I am working on a project with legacy code that had used Log4J in the past, and now uses SLF4J. Most of the old style Log4J logging statements remain, and I convert the log statements slowly to the new SLF4J style as I come across them. I've just realised that...

slf4j trace vs debug used with log4j

java,logging,log4j,slf4j
From the log4j documentation I know that these are the levels in the h http://logging.apache.org/log4j/1.2/manual.html TRACE, DEBUG, INFO, WARN, ERROR and FATAL Fatal being the top level. But could not understand the difference between Trace and debug. I have tried with setting the log level to debug and I can...

How to configure log4j2 to log for HikariCP

java,slf4j,log4j2,hikaricp
I have written a small Gradle project so that I can learn how to configure HikariCP and JDBC and Log4j2 all together in the same project. I have placed the below log4j2 config in the src/main/resources directory in my project. When I execute the project using gradle run I get...

Scala slf4j dynamic file name

scala,logging,slf4j
I just successfully added Grizzled-SLF4J logger to my project using this link http://alvinalexander.com/scala/how-to-log-output-file-grizzled-slf4j-scala-simplelogger.properties But using this properties, there is no option to create dynamic file name: org.slf4j.simpleLogger.logFile = /tmp/myapp.log org.slf4j.simpleLogger.defaultLogLevel = info org.slf4j.simpleLogger.showDateTime = true org.slf4j.simpleLogger.dateTimeFormat = yyyy'/'MM'/'dd' 'HH':'mm':'ss'-'S org.slf4j.simpleLogger.showThreadName = true...

any additional advantages to user SLF4J library instead of apache log4j

java,apache,logging,log4j,slf4j
I came across this library for logging slf4j in my assignment. I have used apache log4j library before but from the documentation I could not understand the use case for the slf4j library. (face palm) Can any one tell me the advantages of using SLF4j or possible real world cases....

Limit the output of jsch in Spring integration

log4j,spring-integration,slf4j,jsch
I am trying to limit the output of the com.jcraft.jsch package in my Spring Boot applicatoin. My application uses Spring Intgration and has a log4j.properties files defining the following log levels # Root logger option log4j.rootLogger=DEBUG log4j.category.com.jcraft.jsch=ERROR log4j.category.org.springframework.integration.file=ERROR And still, I get a whole lot of INFO levelled messages from...

activemq 5.9 org.apache.activemq.command package missing

java,activemq,slf4j
Originally my project had the activemq-all-5.9.0.jar but due to it including an slf4j binding as a dependency I am trying to use the individual jars instead and not include the slf4j binding. I used the dependency list to determine the required jars http://repo1.maven.org/maven2/org/apache/activemq/activemq-all/5.9.0/activemq-all-5.9.0.pom Included jars thus far (abbreviated) amqp, broker,...

format a String by a notation

java,slf4j,apache-commons
I have a string such as following: Filed Id is invalid, value = {} and valid ranges = '{},{},{}' and I want replace {} by custom value in runtime. I see this pattern in SLF4J and real question is : Is there a third party utility for support this requirement...

Each SLF4J log message contains a nested message

java,jboss,slf4j,jboss5.x
I use JBoss 5.2 and whenever I log something, slf4j outputs a nested log message, e.g. private final static Logger logger = LoggerFactory.getLogger(MyClass.class); ... logger.info("FOOBAR") will result in the log message: 2015-06-11 09:54:37,154 INFO [STDOUT] (quartzScheduler_Worker-1) 09:54:37,154 INFO [MyClass] FOOBAR The inner message is the correct one, why does the...

logback configuration doesn't work for spring

java,spring,slf4j,logback,appender
I have the following the logback.xml file <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender"> <encoder> <pattern>%-4relative [%thread] %-5level %logger{35} - %msg %n</pattern> </encoder> </appender> <logger name="my.package"> <level value="TRACE"/> </logger> <logger name="org.springframework.web"> <level value="DEBUG"/> </logger> <root> <priority value="debug"/> <appender-ref ref="STDOUT"/> </root> When I run the...

Error in BabelNet 2.5 configuration

java,configuration,slf4j
indeed I'm trying to use babelNet api 2.5 in a java class but I get this error and I don't know the cause. SLF4J: Class path contains multiple SLF4J bindings. SLF4J: Found binding in [jar:file:/C:/Users/khalifa/Downloads/apache-jena-2.12.1/apache-jena-2.12.1/lib/slf4j-log4j12-1.7.6.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: Found binding in [jar:file:/D:/Bureau%20080614/bureau31122014/BabelNet/lib/slf4j-log4j12-1.6.4.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an...

AKKA stops logging stack traces after a while

java,playframework,akka,slf4j
I've having a really strange issue with Akka and Play 2.3 (Java). I have a bunch of actors with very standard slf4J logging: public abstract class ScheduledJob extends UntypedActor { protected final LoggingAdapter logger = Logging.getLogger(getContext().system(), this); My akka.conf looks like this akka { loggers = ["akka.event.slf4j.Slf4jLogger"] loglevel = "DEBUG"...

what is the difference between Log4j 2 SLF4J Binding and Log4j 2 to SLF4J Adapter

java,slf4j,log4j2
As the title, what is the difference between 2 of them. And when is better to use Log4j 2 SLF4J Binding, and when is better to use Log4j 2 to SLF4J Adapter?...

Spring Logging SLF4J binded to Log4J

spring,logging,log4j,slf4j
I'm trying to configure my SpringMVC application to log using SLF4J instead of vanilla commons-logging. I'm totally stuck, my file doesn't log anything although if I debug the code the expression if (log.isDebugEnabled()) { is evaluated to true. What I'm doing wrong? This is my config: My pom.xml <!-- Logging...

Dump debug logs if exception occured

java,logging,slf4j,logback,error-logging
I'm writing a java web application. I'm using slf4j & logback for logging. I use debug level to output some information which might be useful to find a bug but generally it's not useful and quite verbose. I have a place in the application to catch all exceptions and log...

How to configure Log4j (1 or 2) to use custom log file name while code against Slf4j

java,multithreading,log4j,slf4j
I know there has been a lot of question related to this, but i couldn't find one that matches on the scenario that i'm looking at, so here's the question. Current logging setup: logger coded using Slf4j with Log4j 1.2 bindings. DailyRollingAppender used. The program: A multi-threading backend Java program...

Spring Boot app. Logger doesn't log DEBUG messages

java,logging,spring-boot,slf4j
I have application.yml with the following lines: logging: file: logs/keyserver.log level: org.springframework.web: 'DEBUG' It works ok except this case: public class TransactionBuilder extends Wallet { private final Logger LOG = LoggerFactory.getLogger(TransactionBuilder.class); @Override public RedeemData findRedeemDataFromScriptHash(byte[] payToScriptHash) { LOG.debug("payToScriptHash = " + HEX.encode(payToScriptHash)); } } The messages is appeared neither in...

NoClassDefFoundError: Could not initialize class org.slf4j.MDC

java,slf4j
How to fix NoClassDefFoundError: Could not initialize class org.slf4j.MDC? I have in pom.xml flyway plugin where slf4j is excluded in favor of newer one. [INFO] | \- org.slf4j:slf4j-simple:jar:1.5.6:compile [INFO] +- org.springframework:spring-beans:jar:4.1.4.RELEASE:compile [INFO] +- org.springframework:spring-core:jar:4.1.4.RELEASE:compile [INFO] | \- commons-logging:commons-logging:jar:1.2:compile [INFO] +- org.springframework:spring-webmvc:jar:4.1.4.RELEASE:compile [INFO] | +-...

JUnit error testing and logging

java,junit,slf4j
I am testing in a JUnit test that a custom error is raised in certain cases, with an @Test annotation, and everything goes well. @Test(expected = MyCustomException.class) public void MyTest(){ ... } However, in my code, when I have such an error, I use a logger (slf4j) in such a...

save log into a file for different batchs

logging,slf4j,logback
I have 2 batch and i need to save hibernate and spring logs into separate files when i run them separately So i have a logback configuration like this <?xml version="1.0" encoding="UTF-8" ?> <configuration> <!-- Batch 1 --> <appender name="BatchALogToFile" class="ch.qos.logback.core.rolling.RollingFileAppender"> <file>${logback.root.path}/batchA.log</file> <encoder> <charset>UTF-8</charset> <pattern>[%d{dd/MM/yyyy : HH:mm:ss}] %m%n</pattern> </encoder> <rollingPolicy...

flyway-spring4-test 3.1 brings conflicting dependency on slf4j 1.5

maven,slf4j,flyway
I have dependency on SLF4J 1.7. It known to have conflicts with previous versions which is brought in classpath by flyway. How to manage this? [INFO] +- org.flywaydb.flyway-test-extensions:flyway-spring4-test:jar:3.1:compil e [INFO] | +- org.slf4j:slf4j-api:jar:1.5.6:compile [INFO] | \- org.slf4j:slf4j-simple:jar:1.5.6:compile [INFO] +- org.slf4j:jcl-over-slf4j:jar:1.7.10:compile ...

slf4j logback custom output

java,log4j,slf4j,logback
I am using logback in a following way Logger log = LoggerFactory.getLogger(HomeController.class); log.debug("Lynas debug"); and this gives me output as following 15:12:21.070 [http-nio-8080-exec-1] DEBUG o.ipvision.controller.HomeController - Lynas debug Now I just want the time, class name and the message like below 15:12:21.070 DEBUG HomeController - Lynas debug As far as...

slf4j log file missing

java,maven,log4j,slf4j
I'm trying to log something to file in maven project. I've found "howto" here: Where does the slf4j log file get saved? But it doesnt work (I cant find log file) for some reason, what's my mistake? Here is my pom.xml: <!-- Logger --> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-api</artifactId> <version>1.7.12</version> </dependency> <dependency>...

how to find out which jar is being loaded for slf4j

java,log4j,java-web-start,slf4j,logback
I have a really strange problem in a Java webstart application. I'm using slf4j and logback for my logging framework but when one of my users runs the webstart application he gets a log4j warning message! I'm not including log4j jars in the webstart application. Where can log4j possibly be...

how to deal with logging in production code (logback/slf4j)

slf4j,logback,production
I've implemented an algorithmic framework consisting of several classes. For logging, I use slf4j and logback. So many of my classes have code like: protected final Logger logger = LoggerFactory.getLogger(Myclass.class); ... logger.debug("Some debug information"); Now I would like to package my code and make it production ready. What do I...

How to log FATAL (or any custom log level) with SLF4J and Log4j2

java,slf4j,log4j2
I have those specific requirements : Need to be able to log in FATAL level Need to use SLF4J Need to use Log4j2 Right now, here's my implementation: final Logger logger = LoggerFactory.getLogger(HelloWorld.class); final Marker marker = MarkerFactory.getMarker("FATAL"); logger.error(marker, "!!! Fatal World !!!"); Here's my PatternLayout (in yaml): PatternLayout: Pattern:...

Logging Retrofit to Logback Logger

java,logging,slf4j,logback,retrofit
I'm developing a JAVA client for a REST API. I'm using Retrofit for the client. I see that I can set log level when creating adapter in retrofit. All this log currently goes to console. However, I want to redirect this to the log generated by logback which is already...

spring boot using logback-test.xml instead of logback.xml

gradle,spring-boot,slf4j,logback,build.gradle
I have a gradle project and the structure looks like this > > main (one project) > shared (another project) > api >> shared2 (another project) main project depends on both shared and shared2 projects. Both shared and shared2 projects have a logback-test.xml in their src/test/resources folder and the main...

Akka & SLF4J Configuration

akka,slf4j
I read the Akka Logging tutorial and am still a bit confused as to how to get Akka working with SLF4J. I my understanding is correct, the general process is: Include the akka-slf4j module on the runtime classpath, which transitively pulls in slf4j-api Include an SLF4J backend on the runtime...

DEBUG log rotation in JAVA

java,debugging,logging,rotation,slf4j
In a production environnement (for example) we often use INFO log level because with DEBUG log the size become quickly huge. I know that's it's possible with SLJ4J or LOG4J to configure log rotation to split files etc. But most of the time, we only need DEBUG logs when an...

Logging all network traffic in Spring mvc

java,spring,spring-mvc,logging,slf4j
I have spring mvc application using RequestBody and ResponseBody annotations. They are configured with MappingJackson2HttpMessageConverter. I also have slf4j set up. I would like to log all json as it comes in and out from my controller. I did extend MappingJackson2HttpMessageConverter @Override public Object read(Type type, Class<?> contextClass, HttpInputMessage inputMessage)...

Struts startup failed due to logging errors

struts2,log4j,classloader,slf4j,nosuchmethoderror
Struts application can not start with log4j. What is wrong? Here is log4j.properties # Direct to stdout log4j.appender.stdout=org.apache.log4j.ConsoleAppender log4j.appender.stdout.Target=System.out log4j.appender.stdout.layout=org.apache.log4j.PatternLayout log4j.appender.stdout.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{1}:%L - %m%n # Root logger option log4j.rootLogger=INFO, stdout # Good for troubleshooting log4j.logger.org.hibernate=INFO # Log JDBC parameters log4j.logger.org.hibernate.type=ALL Struts startup failed due to logging...

Logback showed line number as -1

java,jetty,slf4j,logback,runjettyrun
I'm using SLF4J with logback in my web application. Logs show the line number as -1 instead of actual line. I see this issue when I use jetty runner. I don't see this issue when I run my application in eclipse through run-jetty-run. Below is my pattern. <pattern>[%d{dd MMM yyyy...

how to add new log value to all logging statements

java,logging,slf4j,logback
I am using slf4j with logback in my project.there is one request_id stored in a ThreadLoacal. I want to add the value of this request id to all log statements. Is there any way so that logger implicitly pick up the value of request_id and log it as well, without...