我可以在NetBeans上构建(运行/调试)我的Java项目,然后才能使其成为 maven-nabled 以更好地处理依赖关系。现在,该项目成功地构建了,但我无法运行/调试。
当我单击"调试/运行"按钮时,在输出窗口中,我会看到一条成功构建的消息,但是该应用程序未启动。
当我在创建的JAR文件上双击时,我会收到此消息: Java Jar文件" myproject-snapshot.jar"无法启动。检查控制台是否可能的错误消息。但是我在控制台上没有看到任何错误消息。
更新1 这就是我的pom.xml
的样子:
<?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>MyGroupID</groupId>
<artifactId>MyProjectName</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>jar</packaging>
<dependencies>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi</artifactId>
<version>3.15</version>
</dependency>
<dependency>
<groupId>org.jfree</groupId>
<artifactId>jcommon</artifactId>
<version>1.0.23</version>
</dependency>
</dependencies>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
</properties>
</project>
更新2 这是mvn -X clean package
的输出:
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building GeMSE 1.0-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ GeMSE ---
[INFO] Deleting /Users/user/NetBeansProjects/GeMSE_Maven_Enabled/GeMSE/target
[INFO]
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ GeMSE ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory /Users/user/NetBeansProjects/GeMSE_Maven_Enabled/GeMSE/src/main/resources
[INFO]
[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ GeMSE ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 73 source files to /Users/user/NetBeansProjects/GeMSE_Maven_Enabled/GeMSE/target/classes
[WARNING] /Users/user/NetBeansProjects/GeMSE_Maven_Enabled/GeMSE/src/main/java/GeMSE/Importers/GTFParser.java: Some input files use unchecked or unsafe operations.
[WARNING] /Users/user/NetBeansProjects/GeMSE_Maven_Enabled/GeMSE/src/main/java/GeMSE/Importers/GTFParser.java: Recompile with -Xlint:unchecked for details.
[INFO]
[INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ GeMSE ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory /Users/user/NetBeansProjects/GeMSE_Maven_Enabled/GeMSE/src/test/resources
[INFO]
[INFO] --- maven-compiler-plugin:3.1:testCompile (default-testCompile) @ GeMSE ---
[INFO] Nothing to compile - all classes are up to date
[INFO]
[INFO] --- maven-surefire-plugin:2.12.4:test (default-test) @ GeMSE ---
[INFO] No tests to run.
[INFO]
[INFO] --- maven-jar-plugin:2.4:jar (default-jar) @ GeMSE ---
[INFO] Building jar: /Users/user/NetBeansProjects/GeMSE_Maven_Enabled/GeMSE/target/GeMSE-1.0-SNAPSHOT.jar
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 2.838 s
[INFO] Finished at: 2017-03-06T15:10:25-08:00
[INFO] Final Memory: 19M/312M
[INFO] ------------------------------------------------------------------------
因为:
- 指定主类的清单条目不在这里,
- 和/或所需的依赖项不与Jar文件捆绑。
您必须将罐子与依赖关系捆绑在一起。在您的pom.xml中定义:
<build>
<plugins>
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<configuration>
<archive>
<manifest>
<mainClass>fully.qualified.MainClass</mainClass>
</manifest>
</archive>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
</configuration>
<executions>
<execution>
<id>make-assembly</id> <!-- this is used for inheritance merges -->
<phase>package</phase> <!-- bind to the packaging phase -->
<goals>
<goal>single</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
然后您可以通过在终端中调用JAR文件:
mvn清洁编译组件:单
通常,将汇编任务与包装阶段联系起来,以确保执行 mvn package 。