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使用maven和jetty创建一个可执行jar

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我想使用jetty启动我的应用程序,所以我添加了下面提到的依赖项 . 当我运行主方法Jetty成功启动 . (我正在开发一个struts2 spring3 hibernate maven项目,我也可以在tomcat中部署它)

现在我想从战争包装pom创建一个可执行jar . 所以我把 maven-assembly-plugin 添加到了我的pom . (我尝试使用maven jar插件,但它没有添加依赖项)

来源

plugins

<build>
    <plugins>
        <plugin>
        <artifactId>maven-war-plugin</artifactId>
        <version>2.3</version>
        <configuration>
                 <archive>
            <manifest>
        <mainClass>com.dca.engine.StartDCA</mainClass>
            </manifest>
             </archive>
        <packagingExcludes>WEB-INF/lib/jetty*.jar,WEB-INF/lib/org.apache.taglibs.standard.glassfish*.jar,WEB-INF/lib/org.apache.jasper.glassfish*.jar,WEB-INF/lib/org.eclipse.jdt.core*.jar,WEB-INF/lib/javax.servlet.jsp*.jar,WEB-INF/lib/javax.el*.jar</packagingExcludes>
        <escapeString>\</escapeString>
        </configuration>
       </plugin>
       <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-assembly-plugin</artifactId>
        <version>2.4</version>
        <configuration>
                 <descriptorRefs>
                        <descriptorRef>jar-with-dependencies</descriptorRef>
                 </descriptorRefs>
             <archive>
            <manifest>
        <mainClass>com.dca.engine.StartDCA</mainClass>
            </manifest>
             </archive>
        </configuration>
        <executions>
             <execution>
                    <id>make-assembly</id>
                    <phase>package</phase>
                    <goals>
                      <goal>single</goal>
                    </goals>
             </execution>
        </executions>
    </plugin>
 </plugins>
<resources>
    <resource>
        <directory>src/main/java</directory>
        <includes>
        <include>**/*.java</include>
        <include>**/*.xml</include>
        </includes>
    </resource>
    <resource>
        <directory>src/main/resources</directory>
        <filtering>true</filtering>
    </resource>
</resources>
</build>

Embedded Jetty

<dependency>
    <groupId>org.eclipse.jetty</groupId>
    <artifactId>jetty-server</artifactId>
    <version>8.1.10.v20130312</version>
</dependency>
<dependency>
    <groupId>org.eclipse.jetty</groupId>
    <artifactId>jetty-webapp</artifactId>
    <version>8.1.10.v20130312</version>
    <!-- <scope>provided</scope> -->
</dependency>
<dependency>
    <groupId>org.eclipse.jetty</groupId>
    <artifactId>jetty-jsp</artifactId>
    <version>8.1.10.v20130312</version>
    <!-- <scope>provided</scope>  -->
</dependency>

main method

Server server = new Server(8080);
        System.setProperty("is_DCA", "YES");
        WebAppContext webAppContext = new WebAppContext();
        webAppContext.setResourceBase("/home/myfolder/workspace/app/dca/src/main/webapp");
        webAppContext.setDescriptor("/home/myfolder/workspace/app/dca/src/main/webapp/WEB-INF/web.xml");
        webAppContext.setContextPath("/app");
        server.setHandler(webAppContext);
        server.start();
        server.join();

启动应用程序

我使用java -jar /home/myfolder/workspace/app/dca/target/app-dca-1.0-jar-with-dependencies.jar运行创建的jar

码头始于例外 .

INFO  10-12 15:03:01,609 - jetty-8.y.z-SNAPSHOT
INFO  10-12 15:03:01,776 - Initializing Spring root WebApplicationContext
INFO  10-12 15:03:01,776 - Root WebApplicationContext: initialization started
INFO  10-12 15:03:01,843 - Refreshing Root WebApplicationContext: startup date [Tue Dec 10 15:03:01 IST 2013]; root of context hierarchy
INFO  10-12 15:03:01,885 - Loading XML bean definitions from class path resource [applicationContext-dca.xml]
ERROR 10-12 15:03:05,725 - Context initialization failed
org.springframework.beans.factory.parsing.BeanDefinitionParsingException: Configuration problem: Unable to locate Spring NamespaceHandler for XML schema namespace [http://www.springframework.org/schema/util]
Offending resource: class path resource [applicationContext-dca.xml]

    at org.springframework.beans.factory.parsing.FailFastProblemReporter.error(FailFastProblemReporter.java:68)
    at org.springframework.beans.factory.parsing.ReaderContext.error(ReaderContext.java:85)
    at org.springframework.beans.factory.parsing.ReaderContext.error(ReaderContext.java:80)
    at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.error(BeanDefinitionParserDelegate.java:316)
    at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.parseCustomElement(BeanDefinitionParserDelegate.java:1420)
    at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.parseCustomElement(BeanDefinitionParserDelegate.java:1413)
    at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.parseBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:184)
    at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.doRegisterBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:140)
    at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.registerBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:111)
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.registerBeanDefinitions(XmlBeanDefinitionReader.java:493)
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:390)
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:334)
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:302)
    at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:174)
    at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:209)

有没有可能的方法,我可以使用创建的战争开始码头 . 它在/ WEB-INF / lib /文件夹中有jar,所有属性文件和xml文件都在/ WEB-INF / lib /中我试过运行战争

java -jar /home/myfolder/workspace/app/dca/target/app-dca-1.0.war

但它无法找到主类 .

worked when created executable war check sumit's answer

我得到了例外as in this question . 当我将jetty版本更换为7.6.7.v20120910时,它起作用了

我不知道为什么它不适用于码头8.1.10.v20130312

4 回答

  • 8

    看看http://uguptablog.blogspot.com/2012/09/embedded-jetty-executable-war-with.html

    相关代码是

    ProtectionDomain domain = Main.class.getProtectionDomain();
        URL location = domain.getCodeSource().getLocation();
        WebAppContext webapp = new WebAppContext();
        webapp.setContextPath("/");
        webapp.setWar(location.toExternalForm());
        server.setHandler(webapp);
    

    希望有所帮助 .

  • 2

    而不是像accepted answer似乎正在做的那样黑客攻击WAR文件的内容,您可以使用maven-shade-plugin创建可执行的JAR文件 . 这具有以下优点:

    • 该插件包含"transformers",用于合并META-INF / services,LICENSE和README文件的内容 .

    • 您最终得到了一个JAR文件 . WAR文件的设计不是可执行的(虽然它可以工作) .

    • 通过将所有依赖项解压缩到同一个JAR文件中,您将被迫删除重复的类并使内容更难以进行反向工程 .

  • 3

    如果您不喜欢使用Jetty但是可以使用Tomcat,那么以下内容将非常有效:

    <plugin>
        <groupId>org.apache.tomcat.maven</groupId>
        <artifactId>tomcat7-maven-plugin</artifactId>
        <version>2.0</version>
        <executions>
            <execution>
                <id>tomcat-run</id>
                <goals>
                    <goal>exec-war-only</goal>
                </goals>
                <phase>package</phase>
                <configuration>
                    <path>/standalone</path>
                    <enableNaming>false</enableNaming>
                    <finalName>standalone.jar</finalName>
                    <charset>utf-8</charset>
                </configuration>
            </execution>
        </executions>
    </plugin>
    

    这将创建一个名为“standalone.jar”的uberjar,然后只需通过调用即可运行

    java -jar standalone.jar
    

    这将在http://localhost:8080/standalone上启动应用程序

    选择备用端口很容易

    java -jar standalone.jar -httpPort=7070
    

    感谢Tomasz Nurkiewicz的博客文章突出显示http://www.nurkiewicz.com/2012/11/standalone-web-application-with.html

  • 7

    我知道(但从未尝试过)最简单的方法是winstone-maven-plugin,就像Jenkins CI一样(更好的例子:D) . 它不使用Jetty(即使我喜欢这个工具:D),但Winstone .

    Maven插件用法

    <plugin>
        <groupId>net.sf.alchim</groupId>
        <artifactId>winstone-maven-plugin</artifactId>
        <executions>
            <execution>
                <goals>
                    <goal>embed</goal>
                </goals>
                <phase>package</phase>
            </execution>
        </executions>
    </plugin>
    

    很简单,不是吗? :)它会生成一个可执行文件 - standalone - jar:app-dca-1.0-standalone.jar

    文档

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