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创建一个可执行的Java Maven项目

[英]Create a executable java maven project

我已经使用Maven创建了一个项目。 主要思想是轻松获得依赖关系。 问题是,现在我无法创建可执行文件.exe甚至.jar文件。 我的应用程序是Java原型,并且正在使用Netbeans进行处理。 另外,我正在使用Postgree数据库。 我的pom文件显示如下:

<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>com.metrum</groupId>
    <artifactId>mtuapp</artifactId>
    <version>0.1-alpha</version>
    <packaging>jar</packaging>
    <repositories>
        <repository>
            <id>unknown-jars-temp-repo</id>
            <name>A temporary repository created by NetBeans for libraries and jars it could not identify. Please replace the dependencies in this repository with correct ones and delete this repository.</name>
            <url>file:${project.basedir}/lib</url>
        </repository>
    </repositories>
    <dependencies>
        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-entitymanager</artifactId>
            <version>4.3.1.Final</version>
        </dependency>
        <dependency>
            <groupId>org.postgresql</groupId>
            <artifactId>postgresql</artifactId>
            <version>9.4-1201-jdbc41</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context-support</artifactId>
            <version>3.2.2.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-orm</artifactId>
            <version>3.2.2.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.data</groupId>
            <artifactId>spring-data-jpa</artifactId>
            <version>1.4.1.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>1.7.4</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-simple</artifactId>
            <version>1.7.4</version>
        </dependency>
        <dependency>
            <groupId>cglib</groupId>
            <artifactId>cglib</artifactId>
            <version>3.1</version>
        </dependency>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.10</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>net.java.balloontip</groupId>
            <artifactId>balloontip</artifactId>
            <version>1.2.4.1</version>
        </dependency>
        <dependency>
            <groupId>org.swinglabs</groupId>
            <artifactId>swingx</artifactId>
            <version>1.6.1</version>
        </dependency>
        <dependency>
            <groupId>org.swinglabs.swingx</groupId>
            <artifactId>swingx-beaninfo</artifactId>
            <version>1.6.4</version>
        </dependency>
        <dependency>
            <groupId>org.scream3r</groupId>
            <artifactId>jssc</artifactId>
            <version>2.8.0</version>
            <type>jar</type>
        </dependency>
    </dependencies>
    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <maven.compiler.source>1.7</maven.compiler.source>
        <maven.compiler.target>1.7</maven.compiler.target>
    </properties>

</project>

我实际上想为我的应用程序创建一个安装程序。

- -编辑 - -

我尝试按照建议使用maven-jar-plugin创建和可执行jar文件。 我的新pom文件是:

<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>com.metrum</groupId>
    <artifactId>mtuapp</artifactId>
    <version>0.1-alpha</version>
    <packaging>jar</packaging>

    <build>
        <plugins>
            <plugin>
                <!-- Build an executable JAR -->
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-jar-plugin</artifactId>
                <version>2.4</version>
                <configuration>
                    <archive>
                        <manifest>
                            <addClasspath>true</addClasspath>
                            <classpathPrefix>lib/</classpathPrefix>
                            <mainClass>com.metrum.mtuapp.main.Main</mainClass>
                        </manifest>
                    </archive>
                    <descriptorRefs>
                        <descriptorRef>jar-with-dependencies</descriptorRef>
                    </descriptorRefs>
                </configuration>
            </plugin>
        </plugins>
    </build>

    <dependencies>
        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-entitymanager</artifactId>
            <version>4.3.1.Final</version>
        </dependency>
        <dependency>
            <groupId>org.postgresql</groupId>
            <artifactId>postgresql</artifactId>
            <version>9.4-1201-jdbc41</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context-support</artifactId>
            <version>3.2.2.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-orm</artifactId>
            <version>3.2.2.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.data</groupId>
            <artifactId>spring-data-jpa</artifactId>
            <version>1.4.1.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>1.7.4</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-simple</artifactId>
            <version>1.7.4</version>
        </dependency>
        <dependency>
            <groupId>cglib</groupId>
            <artifactId>cglib</artifactId>
            <version>3.1</version>
        </dependency>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.10</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>net.java.balloontip</groupId>
            <artifactId>balloontip</artifactId>
            <version>1.2.4.1</version>
        </dependency>
        <dependency>
            <groupId>org.swinglabs</groupId>
            <artifactId>swingx</artifactId>
            <version>1.6.1</version>
        </dependency>
        <dependency>
            <groupId>org.swinglabs.swingx</groupId>
            <artifactId>swingx-beaninfo</artifactId>
            <version>1.6.4</version>
        </dependency>
        <dependency>
            <groupId>org.scream3r</groupId>
            <artifactId>jssc</artifactId>
            <version>2.8.0</version>
            <type>jar</type>
        </dependency>
    </dependencies>
    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <maven.compiler.source>1.7</maven.compiler.source>
        <maven.compiler.target>1.7</maven.compiler.target>
    </properties>

</project>

有了这个我得到:

java -jar mtuapp-0.1-alpha.jar


Exception in thread "main" java.lang.NoClassDefFoundError: org/springframework/c
ontext/annotation/AnnotationConfigApplicationContext
        at com.metrum.mtuapp.main.Main.<clinit>(Main.java:20)
Caused by: java.lang.ClassNotFoundException: org.springframework.context.annotat
ion.AnnotationConfigApplicationContext
        at java.net.URLClassLoader.findClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        ... 1 more

我可以看到您的项目是使用maven创建的,因此您的jar文件是在项目的root目录下的目标文件夹中创建的,您只需要执行目标mvn clean package即可生成它,但这不会成为可执行jar文件。

如果要创建安装程序并创建.exe文件,则需要使用其他工具。我建议您使用http://www.jrsoftware.org/isdl.php,您可以在此处找到文档。

----编辑----

如果要创建可执行jar,则必须在pom文件中添加以下几行插件:

<build>
  <plugins>
    <plugin>
      <!-- Build an executable JAR -->
      <groupId>org.apache.maven.plugins</groupId>
      <artifactId>maven-jar-plugin</artifactId>
      <version>2.4</version>
      <configuration>
        <archive>
          <manifest>
            <addClasspath>true</addClasspath>
            <classpathPrefix>lib/</classpathPrefix>
            <mainClass>com.mypackage.MyClass</mainClass>
          </manifest>
        </archive>
      </configuration>
    </plugin>
  </plugins>
</build>

此处查看完整信息

如果要包括Maven依赖项,则可以使用maven-assembly-plugin

<plugin>
      <artifactId>maven-assembly-plugin</artifactId>
      <configuration>
        <archive>
          <manifest>
            <mainClass>fully.qualified.MainClass</mainClass>
          </manifest>
        </archive>
        <descriptorRefs>
          <descriptorRef>jar-with-dependencies</descriptorRef>
        </descriptorRefs>
      </configuration>
    </plugin>

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