spring boot - Disable Logback in SpringBoot -

it appears springboot autoconfigures use logback tomcat. disable , use 1 provide in classpath.

the error message below.

loggerfactory not logback loggercontext logback on classpath. either remove logback or competing implementation (class org.slf4j.impl.simpleloggerfactory) object of class [org.slf4j.impl.simpleloggerfactory] must instance of class ch.qos.logback.classic.loggercontext

<?xml version="1.0" encoding="utf-8"?> <project xmlns="http://maven.apache.org/pom/4.0.0" xmlns:xsi="http://www.w3.org/2001/xmlschema-instance"     xsi:schemalocation="http://maven.apache.org/pom/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">     <modelversion>4.0.0</modelversion>     <parent>         <artifactid>spring-boot-starter-parent</artifactid>         <groupid>org.springframework.boot</groupid>         <version>1.0.1.release</version>     </parent>      <groupid>com.fe</groupid>     <artifactid>cloudapp</artifactid>     <version>1.0.0</version>     <name>withinet-paas</name>     <description>develop web applications in on our infrastructure , worry administration , scalability of app.</description>      <properties>         <java.version>1.7</java.version>         <guava.version>16.0.1</guava.version>         <project.build.sourceencoding>utf-8</project.build.sourceencoding>         <project.reporting.outputencoding>utf-8</project.reporting.outputencoding>     </properties>      <dependencies>     <dependency>         <groupid>com.sun.jersey</groupid>         <artifactid>jersey-client</artifactid>         <version>1.8</version>     </dependency>         <dependency>         <groupid>com.withinet.cloudapp</groupid>     <artifactid>slave</artifactid>     <version>1.0.0</version>             </dependency>         <dependency>             <groupid>org.apache.wicket</groupid>             <artifactid>wicket-core</artifactid>             <version>6.15.0</version>         </dependency>         <dependency>             <groupid>org.hibernate</groupid>             <artifactid>hibernate-core</artifactid>             <version>4.3.0.final</version>         </dependency>          <dependency>             <groupid>com.google.code.gson</groupid>             <artifactid>gson</artifactid>             <version>2.2.4</version>         </dependency>          <!-- spring boot -->          <dependency>             <groupid>org.springframework.boot</groupid>             <artifactid>spring-boot-starter</artifactid>         </dependency>          <dependency>             <groupid>org.springframework.boot</groupid>             <artifactid>spring-boot-starter-test</artifactid>             <scope>test</scope>         </dependency>          <dependency>             <groupid>org.springframework.boot</groupid>             <artifactid>spring-boot-starter-web</artifactid>         </dependency>          <!-- hibernate validator -->          <dependency>             <groupid>javax.validation</groupid>             <artifactid>validation-api</artifactid>             <version>1.1.0.final</version>           </dependency>         <dependency>             <groupid>org.hibernate</groupid>             <artifactid>hibernate-validator-annotation-processor</artifactid>             <version>4.1.0.final</version>         </dependency>          <!-- guava -->          <dependency>             <groupid>com.google.guava</groupid>             <artifactid>guava</artifactid>             <version>${guava.version}</version>         </dependency>          <!-- java ee -->          <dependency>             <groupid>javax.inject</groupid>             <artifactid>javax.inject</artifactid>             <version>1</version>         </dependency>          <!--  search -->         <dependency>             <groupid>org.apache.lucene</groupid>             <artifactid>lucene-queryparser</artifactid>             <version>4.8.0</version>         </dependency>          <!--  security          <dependency>             <groupid>org.springframework.boot</groupid>             <artifactid>spring-boot-starter-security</artifactid>         </dependency>-->         <dependency>             <groupid>org.springframework.boot</groupid>             <artifactid>spring-boot-starter-tomcat</artifactid>             <scope>provided</scope>         </dependency>     </dependencies>      <build>          <plugins>              <!-- spring boot maven -->              <plugin>                 <groupid>org.springframework.boot</groupid>                 <artifactid>spring-boot-maven-plugin</artifactid>                 <configuration>                     <mainclass>com.withinet.cloud.application</mainclass>                     <layout>jar</layout>                 </configuration>                 <executions>                     <execution>                         <goals>                             <goal>repackage</goal>                         </goals>                     </execution>                 </executions>             </plugin>          </plugins>     </build> </project> 

add exclusion both spring-boot-starter , spring-boot-starter-web resolve conflict.

<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>  <dependency>   <groupid>org.springframework.boot</groupid>   <artifactid>spring-boot-starter-web</artifactid>   <exclusions>     <exclusion>       <groupid>org.springframework.boot</groupid>       <artifactid>spring-boot-starter-logging</artifactid>     </exclusion>   </exclusions> </dependency>