I'm using spring-boot-starter, and would like to configure log4j2.xml to log asynchron + different content to different logfiles.
I created the log4j2 file, but Spring still uses the spring-boot default logging. How can I switch the logging?
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3 Answers
I've a better way:
Exclude logback logger:
<dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter</artifactId> <exclusions> <exclusion> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-logging</artifactId> </exclusion> </exclusions> </dependency>Add log4j2 boot starter:
<dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-log4j2</artifactId> </dependency>
Enjoy!
5 Comments
Daniel Marcotte
I think you meant : "1. exclude logback framework" instead of "exclude slf4j logger" right?
kervin
Also make sure you use <artifactId>spring-boot-starter-log4j2</artifactId> if you use log4j2, since <artifactId>spring-boot-starter-log4j</artifactId> is valid but won't work for log4j2
vsingh
For me I has to add these two <exclusion> <artifactId>logback-classic</artifactId> <groupId>ch.qos.logback</groupId> </exclusion> <exclusion> <artifactId>log4j-over-slf4j</artifactId> <groupId>org.slf4j</groupId> </exclusion> </exclusions>
edeandrea
For me using Gradle I just did this:
configurations.all*.exclude group: 'org.springframework.boot', module: 'spring-boot-starter-logging' and then in my dependencies {} section I added runtime 'org.springframework.boot:spring-boot-starter-log4j2'
Denys
For me it does not work: all logs are printing to console.
Try this:
Exclude spring-boot-starter-logging e.g.
<dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter</artifactId> <exclusions> <exclusion> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-logging</artifactId> </exclusion> </exclusions> </dependency>Add dependencies for your logging interface e.g. slf4j
<dependency> <groupId>org.apache.logging.log4j</groupId> <artifactId>log4j-slf4j-impl</artifactId> <version>2.0.2</version> </dependency>Add other logging implementations pointing to chosen logging interface e.g.
<dependency> <groupId>org.slf4j</groupId> <artifactId>jcl-over-slf4j</artifactId> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>jul-to-slf4j</artifactId> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>log4j-over-slf4j</artifactId> </dependency>Add your target logging implementation e.g.
<dependency> <groupId>org.apache.logging.log4j</groupId> <artifactId>log4j-api</artifactId> <version>2.0.2</version> </dependency> <dependency> <groupId>org.apache.logging.log4j</groupId> <artifactId>log4j-core</artifactId> <version>2.0.2</version> </dependency>
And it should work.
2 Comments
membersound
Nowadays there is also
spring-boot-starter-log4j2 since spring-boot-1.2.0.RELEASE. Just for reference.Denys
This does not work for me as well: all logs are printing to console.
This is what worked for me. Having two additional exclusions. Else Application was not picking up log4j and was had conflict
Actual binding is of type [ch.qos.logback.classic.util.ContextSelectorStaticBinder]
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>1.0.0</version>
<exclusions>
<exclusion>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-logging</artifactId>
</exclusion>
<exclusion>
<artifactId>logback-classic</artifactId>
<groupId>ch.qos.logback</groupId>
</exclusion>
<exclusion>
<artifactId>log4j-over-slf4j</artifactId>
<groupId>org.slf4j</groupId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-log4j2</artifactId>
</dependency>
