title: how to solve "Conflicting lifecycle mapping" in maven , Spring-boot
body: <p>the  problem i face is each time i create a new Spring Boot Project, i get the following error in the pom.xml (beside )</p>
  
  <pre><code>- Plugin execution not covered by lifecycle configuration: org.apache.maven.plugins:maven-compiler-plugin:3.1:testCompile (execution: default-
   testCompile, phase: test-compile)
  - Plugin execution not covered by lifecycle configuration: org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (execution: default-compile, 
   phase: compile)
  </code></pre>
  
  <p>a basic pom.xml is like this: </p>
  
  <pre><code>   &lt;?xml version="1.0" encoding="UTF-8"?&gt;
  &lt;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"&gt;
  &lt;modelVersion&gt;4.0.0&lt;/modelVersion&gt;
  
  &lt;groupId&gt;com.emi&lt;/groupId&gt;
  &lt;artifactId&gt;catalogue&lt;/artifactId&gt;
  &lt;version&gt;0.0.1-SNAPSHOT&lt;/version&gt;
  &lt;packaging&gt;jar&lt;/packaging&gt;
  
  &lt;name&gt;MyCatalogue&lt;/name&gt;
  &lt;description&gt;Demo project for Spring Boot&lt;/description&gt;
  
  &lt;parent&gt;
      &lt;groupId&gt;org.springframework.boot&lt;/groupId&gt;
      &lt;artifactId&gt;spring-boot-starter-parent&lt;/artifactId&gt;
      &lt;version&gt;1.3.0.RELEASE&lt;/version&gt;
  &lt;relativePath/&gt; &lt;!-- lookup parent from repository --&gt; 
  &lt;/parent&gt;
  
  
  &lt;properties&gt;
      &lt;project.build.sourceEncoding&gt;UTF-8&lt;/project.build.sourceEncoding&gt;
      &lt;java.version&gt;1.8&lt;/java.version&gt;
  &lt;/properties&gt;
  
  &lt;dependencies&gt;
      &lt;dependency&gt;
          &lt;groupId&gt;org.springframework.boot&lt;/groupId&gt;
          &lt;artifactId&gt;spring-boot-starter-data-jpa&lt;/artifactId&gt;
      &lt;/dependency&gt;
      &lt;dependency&gt;
          &lt;groupId&gt;org.springframework.boot&lt;/groupId&gt;
          &lt;artifactId&gt;spring-boot-starter-web&lt;/artifactId&gt;
      &lt;/dependency&gt;
      &lt;dependency&gt;
      &lt;groupId&gt;mysql&lt;/groupId&gt;
      &lt;artifactId&gt;mysql-connector-java&lt;/artifactId&gt;
      &lt;/dependency&gt;
      &lt;dependency&gt;
          &lt;groupId&gt;org.springframework.boot&lt;/groupId&gt;
          &lt;artifactId&gt;spring-boot-starter-test&lt;/artifactId&gt;
          &lt;scope&gt;test&lt;/scope&gt;
      &lt;/dependency&gt;
      &lt;dependency&gt;
          &lt;groupId&gt;org.springframework.boot&lt;/groupId&gt;
          &lt;artifactId&gt;spring-boot-starter-actuator&lt;/artifactId&gt;
      &lt;/dependency&gt;
  &lt;/dependencies&gt;
  
  &lt;build&gt;
  
      &lt;plugins&gt;
          &lt;plugin&gt;
              &lt;groupId&gt;org.springframework.boot&lt;/groupId&gt;
              &lt;artifactId&gt;spring-boot-maven-plugin&lt;/artifactId&gt;
          &lt;/plugin&gt;
  
      &lt;/plugins&gt;
  
  &lt;/build&gt;
  </code></pre>
  
  <p></p>
  
  <p>i tried to delete and recreate repository, the same error persist. I also tried with java 7 but no solution. Can you help plz ?</p>