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我正在嘗試創建一個jar以發送給同事進行測試。我的程序在Eclipse IDE上正常工作。但是，當我嘗試使用mvn install和mvn包將其編譯到jar中時，當我嘗試運行jar時，出現以下錯誤： [NoClassDefFound] [1]（點擊鏈接查看截圖） 。Maven Shade插件 - NoClassDefFound
這裏是我的POM文件：
http://maven.apache.org/xsd/maven-4.0.0.xsd「> 4.0.0
<groupId>org.geotools.tutorial.tutorialCerto</groupId>
<artifactId>tutorialCerto</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>tutorial</name>
<url>http://maven.apache.org</url>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<geotools.version>15.1</geotools.version>
<geotools.version>17-SNAPSHOT</geotools.version>
</properties>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.geotools</groupId>
<artifactId>gt-process</artifactId>
<version>${geotools.version}</version>
</dependency>
<dependency>
<groupId>org.geotools</groupId>
<artifactId>gt-shapefile</artifactId>
<version>${geotools.version}</version>
</dependency>
<dependency>
<groupId>org.geotools</groupId>
<artifactId>gt-swing</artifactId>
<version>${geotools.version}</version>
</dependency>
<dependency>
<groupId>org.geotools</groupId>
<artifactId>gt-epsg-hsql</artifactId>
<version>${geotools.version}</version>
</dependency>
<dependency>
<groupId>org.geotools</groupId>
<artifactId>gt-geotiff</artifactId>
<version>${geotools.version}</version>
</dependency>
<dependency>
<groupId>org.geotools</groupId>
<artifactId>gt-image</artifactId>
<version>${geotools.version}</version>
</dependency>
<dependency>
<groupId>org.geotools</groupId>
<artifactId>gt-wms</artifactId>
<version>${geotools.version}</version>
</dependency>
<dependency>
<groupId>org.geotools</groupId>
<artifactId>gt-swing</artifactId>
<version>${geotools.version}</version>
</dependency>
</dependencies>
<repositories>
<repository>
<id>maven2-repository.dev.java.net</id>
<name>Java.net repository</name>
<url>http://download.java.net/maven/2</url>
</repository>
<repository>
<id>osgeo</id>
<name>Open Source Geospatial Foundation Repository</name>
<url>http://download.osgeo.org/webdav/geotools/</url>
</repository>
<repository>
<snapshots>
<enabled>true</enabled>
</snapshots>
<id>boundless</id>
<name>Boundless Maven Repository</name>
<url>http://repo.boundlessgeo.com/main</url>
</repository>
</repositories>
<build>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<encoding>UTF-8</encoding>
<target>1.8</target>
<source>1.8</source>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version>3.0.0</version>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
<configuration>
<transformers>
<!-- This bit sets the main class for the executable jar as you otherwise -->
<!-- would with the assembly plugin -->
<transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
<manifestEntries>
<Main-Class>org.geotools.tutorial.tutorialCerto.ImageLab</Main-Class>
</manifestEntries>
</transformer>
<!-- This bit merges the various GeoTools META-INF/services files -->
<transformer implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer"/>
</transformers>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
我將非常感激，如果有人可以幫助我弄清楚發生了什麼。提前
謝謝！
EDIT 2
添加以下代碼只是對我的程序測試目的：
包com.br.iacit.tutorialdoJar;
public class App {
public static void main(String[] args)
{ System.out.println(com.sun.media.imageioimpl.common.PackageUtil.getVendor());
}
}
在Eclipse IDE中它顯示了Sun Microsystems公司然而，在我的jar文件它打印空。也許這跟它有關係？
您正在定義兩個同名的屬性 – nandsito
您的意思是 15.1 17-SNAPSHOT ？如果是這樣，這是API默認:) –
是的，只嘗試使用其中的一個（這是Maven會做的）。 –