运行maven项目时一直报错org.codehaus.mojo:exec-maven-plugin:1.2.1的问题

九爸爸 2018-12-08 03:36:20

其实还没怎么使用过maven，今天下载了个项目之后一直在学习怎么去运行maven的项目，这个问题已经出现很久了都解决不了，希望有人能帮帮我。
报错如下：

Scanning for projects...

------------------------------------------------------------------------
Building arp 1.0-SNAPSHOT
------------------------------------------------------------------------

--- exec-maven-plugin:1.2.1:exec (default-cli) @ arp ---
java.lang.NoClassDefFoundError: jpcap/packet/DatalinkPacket
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)
at java.lang.Class.privateGetMethodRecursive(Class.java:3048)
at java.lang.Class.getMethod0(Class.java:3018)
at java.lang.Class.getMethod(Class.java:1784)
at sun.launcher.LauncherHelper.validateMainClass(LauncherHelper.java:544)
at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:526)
Caused by: java.lang.ClassNotFoundException: jpcap.packet.DatalinkPacket
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:338)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 7 more
Error: A JNI error has occurred, please check your installation and try again
Exception in thread "main"
------------------------------------------------------------------------
BUILD FAILURE
------------------------------------------------------------------------
Total time: 1.252s
Finished at: Sat Dec 08 15:31:24 CST 2018
Final Memory: 5M/123M
------------------------------------------------------------------------
Failed to execute goal org.codehaus.mojo:exec-maven-plugin:1.2.1:exec (default-cli) on project arp: Command execution failed. Process exited with an error: 1 (Exit value: 1) -> [Help 1]

To see the full stack trace of the errors, re-run Maven with the -e switch.
Re-run Maven using the -X switch to enable full debug logging.

For more information about the errors and possible solutions, please read the following articles:
[Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException

然后我的POM.xml是这样的

<?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>

    

    

    <groupId>me.codz</groupId>

    <artifactId>arp</artifactId>

    <version>1.0-SNAPSHOT</version>

    

   

    <dependencies>

        <dependency>

            <groupId>jpcap</groupId>

            <artifactId>jpcap</artifactId>

            <version>1.0-SNAPSHOT</version>

            <scope>system</scope>

            <systemPath>${pom.basedir}/jar/jpcap.jar</systemPath>

        </dependency>

        <dependency>

            <groupId>org.apache.maven.plugins</groupId>

            <artifactId>maven-compiler-plugin</artifactId>

            <version>2.3.2</version>

        </dependency>





    </dependencies>

    

    



    <build>

        <plugins>

            <plugin>

            <groupId>org.apache.maven.plugins</groupId>

            <artifactId>maven-compiler-plugin</artifactId>

            <version>2.3.2</version>

              

                <configuration>

                    <source>1.8</source>

                    <target>1.8</target>

                    <encoding>UTF-8</encoding>

                    

                </configuration>

            

            </plugin>

        </plugins>

    </build>

</project>