无法执行目标org.apache.maven.plugins：maven-compiler-plugin：3.1：

Question

我正在使用Maven 3和JDK 1.7。当我尝试安装mvn时，我收到以下错误

  

[错误]无法执行目标org.apache.maven.plugins：maven-compiler-plugin：3.1：       在项目myapp上编译（default-compile）：编译失败：编译0       失败：[错误] AbstractEmployee_.java:[10,17]重复类：
      domain.entity.AbstractEmployee _

不确定为什么抱怨重复的课程

的pom.xml

<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/maven-v4_0_0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>domain</groupId>
    <artifactId>myapp</artifactId>
    <packaging>war</packaging>
    <version>1.0-SNAPSHOT</version> 
    <name>myapp</name>  
    <url>http://maven.apache.org</url>
    <repositories>
        <repository>
            <id>prime-repo</id>
            <name>PrimeFaces Maven Repository</name>
            <url>http://repository.primefaces.org</url>
            <layout>default</layout>
        </repository>
    </repositories>
    <properties>
        <spring.version>3.1.1.RELEASE</spring.version>
    </properties>
    <dependencies>
        <!-- Spring 3 dependencies -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-orm</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <!-- JSF library -->
        <dependency>
            <groupId>com.sun.faces</groupId>
            <artifactId>jsf-api</artifactId>
            <version>2.1.6</version>
        </dependency>
        <dependency>
            <groupId>com.sun.faces</groupId>
            <artifactId>jsf-impl</artifactId>
            <version>2.1.6</version>
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>
        <!-- Primefaces library -->
        <dependency>
            <groupId>org.primefaces</groupId>
            <artifactId>primefaces</artifactId>
            <version>3.4.2</version>
        </dependency>
        <dependency>
            <groupId>org.primefaces.themes</groupId>
            <artifactId>redmond</artifactId>
            <version>1.0.8</version>
        </dependency>
        <!-- Hibernate library -->
        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-core</artifactId>
            <version>4.1.0.Final</version>
        </dependency>
        <dependency>
            <groupId>javassist</groupId>
            <artifactId>javassist</artifactId>
            <version>3.12.1.GA</version>
        </dependency>
        <dependency>
            <groupId>javax.inject</groupId>
            <artifactId>javax.inject</artifactId>
            <version>1</version>
        </dependency>
        <!-- Oracle Java Connector library -->
        <dependency>
            <groupId>com.oracle</groupId>
            <artifactId>ojdbc6</artifactId>
            <version>11.2.0.3</version>
        </dependency>
        <dependency>
            <groupId>c3p0</groupId>
            <artifactId>c3p0</artifactId>
            <version>0.9.1.2</version>
        </dependency>
        <!-- Log4j library -->
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>1.2.16</version>
        </dependency>
        <dependency>
            <groupId>org.testng</groupId>
            <artifactId>testng</artifactId>
            <version>6.4</version>
        </dependency>
        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-jpamodelgen</artifactId>
            <version>1.2.0.Final</version>
        </dependency>
        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-entitymanager</artifactId>
            <version>4.1.0.Final</version>
        </dependency>
        <dependency>
            <groupId>org.hibernate.javax.persistence</groupId>
            <artifactId>hibernate-jpa-2.0-api</artifactId>
            <version>1.0.1.Final</version>
        </dependency>
        <dependency>
    <groupId>org.apache.myfaces.extensions.cdi.core</groupId>
    <artifactId>myfaces-extcdi-core-api</artifactId>
    <version>1.0.5</version>
    <scope>compile</scope>
</dependency>
        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-ehcache</artifactId>
            <version>4.0.1.Final</version>
        </dependency>
        <!-- <dependency>
            <groupId>antlr</groupId>
            <artifactId>antlr</artifactId>
            <version>2.7.7</version>
            <scope>runtime</scope>
            <exclusions>
                <exclusion>
                    <groupId>xerces</groupId>
                    <artifactId>xercesImpl</artifactId>
                </exclusion>
                <exclusion>
                    <groupId>xml-apis</groupId>
                    <artifactId>xml-apis</artifactId>
                </exclusion>
                <exclusion>
                    <groupId>janino</groupId>
                    <artifactId>janino</artifactId>
                </exclusion>
            </exclusions>
        </dependency>       
        <dependency>
            <groupId>antlr</groupId>
            <artifactId>antlr</artifactId>
            <version>2.7.6</version>
            <scope>runtime</scope>
            <exclusions>
                <exclusion>
                    <groupId>xerces</groupId>
                    <artifactId>xercesImpl</artifactId>
                </exclusion>
                <exclusion>
                    <groupId>xml-apis</groupId>
                    <artifactId>xml-apis</artifactId>
                </exclusion>
                <exclusion>
                    <groupId>janino</groupId>
                    <artifactId>janino</artifactId>
                </exclusion>
            </exclusions>
        </dependency>-->        
    </dependencies> 
    <build>
        <resources>
            <resource>
                <directory>src/main/resources</directory>
            </resource>
        </resources>
        <plugins>
        <plugin>
        <artifactId>maven-war-plugin</artifactId>
        <version>2.3</version>
    </plugin>
            <plugin>
        <artifactId>maven-compiler-plugin</artifactId>
        <version>3.1</version>
        <configuration>
            <source>1.7</source>
            <target>1.7</target>
        </configuration>
    </plugin>
            <plugin>
                <groupId>org.bsc.maven</groupId>
                <artifactId>maven-processor-plugin</artifactId>
                <version>2.0.6</version>
                <executions>
                    <execution>
                        <id>process</id>
                        <goals>
                            <goal>process</goal>
                        </goals>
                        <phase>generate-sources</phase>
                        <configuration>
                            <!-- source output directory -->
                            <outputDirectory>target/metamodel</outputDirectory>
                        </configuration>
                    </execution>
                </executions>
            </plugin>

            <plugin> 
      <groupId>com.oracle.weblogic</groupId> 
      <artifactId>weblogic-maven-plugin</artifactId> 
      <version>10.3.6.0</version> 
      <configuration> 
          <adminurl>t3://192.168.15.125:7001</adminurl>
          <user>dev</user> 
          <password>welcome1</password> 
          <upload>true</upload> 
          <action>deploy</action> 
          <remote>true</remote> 
          <verbose>true</verbose> 
<source>${project.build.directory}/${project.build.finalName}.${project.packaging}</source> 
         <name>${project.build.finalName}</name> 
      </configuration> 
      <!-- 
      <executions> 
         <execution> 
            <phase>install</phase> 
              <goals> 
                <goal>deploy</goal> 
              </goals> 
         </execution> 
       </executions> 
       --> 
  </plugin> 

        </plugins>


    </build>


</project>