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顯式依賴的NoClassDefFoundError的inspite我有以下的POM文件基於Maven的Apache的駱駝項目罐執行給出的pom.xml
<?xml version="1.0" encoding="UTF-8"?> <project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://maven.apache.org/POM/4.0.0"
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>
<parent>
<groupId>com.rmg.maven</groupId>
<artifactId>rmg-company-pom</artifactId>
<version>1.2.0-SNAPSHOT</version>
</parent>
<groupId>com.rmg</groupId>
<artifactId>price-finder-camel</artifactId>
<version>1.0.0-SNAPSHOT</version>
<properties>
<start.class>com.rmg.pricefinder.Application</start.class>
<spring-boot.version>0.5.0.M7</spring-boot.version>
<jackson.version>2.3.1</jackson.version>
<httpclient.version>4.3.2</httpclient.version>
<pmd.version>3.0.1</pmd.version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<compileSource>1.7</compileSource>
<surefire.version>2.12.3</surefire.version>
<hystrix.version>1.2.2</hystrix.version>
<jaxb2.plugin.version>1.6</jaxb2.plugin.version>
<camel.version>2.13.0</camel.version>
<cxf.version>3.0.0-milestone2</cxf.version>
<hibernate.validator.version>5.1.0.Final</hibernate.validator.version>
<tomcat.jasper.el.version>6.0.39</tomcat.jasper.el.version>
</properties>
<dependencies>
<dependency>
<groupId>com.rmg.maven</groupId>
<artifactId>rmg-camel-dependencies-pom</artifactId>
<version>0.1.0-SNAPSHOT</version>
<type>pom</type>
</dependency>
<dependency>
<groupId>com.rmg.maven</groupId>
<artifactId>rmg-cxf-dependencies-pom</artifactId>
<version>0.1.0-SNAPSHOT</version>
<type>pom</type>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<version>${spring-boot.version}</version>
<!-- <exclusions>
<exclusion>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jetty</artifactId>
</exclusion>
</exclusions> -->
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-websocket</artifactId>
<version>${spring-boot.version}</version>
</dependency>
<!-- Additional Spring Dependencies - Spring Data Redis -->
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-redis</artifactId>
<version>1.2.1.RELEASE</version>
<exclusions>
<exclusion>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
</exclusion>
<exclusion>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>redis.clients</groupId>
<artifactId>jedis</artifactId>
<version>2.4.2</version>
</dependency>
<!-- Camel Components -->
<!-- Camel Jackson -->
<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-jackson</artifactId>
<version>${camel.version}</version>
</dependency>
<!-- Camel HTTP4 -->
<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-http4</artifactId>
<version>${camel.version}</version>
</dependency>
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
<version>${httpclient.version}</version>
</dependency>
<!-- Camel Velocity -->
<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-velocity</artifactId>
<version>${camel.version}</version>
</dependency>
<!-- Camel JAXB -->
<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-jaxb</artifactId>
<version>${camel.version}</version>
</dependency>
<!-- Camel Saxon for XSLT 2.0 -->
<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-saxon</artifactId>
<version>${camel.version}</version>
</dependency>
<!-- Camel Quartz2 -->
<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-quartz2</artifactId>
<version>${camel.version}</version>
</dependency>
<!-- Camel CXF -->
<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-cxf</artifactId>
<version>${camel.version}</version>
<exclusions>
<exclusion>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
</exclusion>
<exclusion>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
</exclusion>
<exclusion>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
</exclusion>
</exclusions>
</dependency>
<!-- Apache CXF -->
<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-rt-frontend-jaxws</artifactId>
<version>${cxf.version}</version>
</dependency>
<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-rt-frontend-jaxrs</artifactId>
<version>${cxf.version}</version>
</dependency>
<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-rt-transports-http</artifactId>
<version>${cxf.version}</version>
</dependency>
<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-rt-rs-client</artifactId>
<version>${cxf.version}</version>
</dependency>
<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-rt-rs-extension-providers</artifactId>
<version>${cxf.version}</version>
</dependency>
<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-rt-bindings-soap</artifactId>
<version>${cxf.version}</version>
</dependency>
<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-rt-features-clustering</artifactId>
<version>${cxf.version}</version>
</dependency>
<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-rt-rs-security-oauth</artifactId>
<version>${cxf.version}</version>
</dependency>
<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-rt-rs-security-cors</artifactId>
<version>${cxf.version}</version>
</dependency>
<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-rt-ws-security</artifactId>
<version>${cxf.version}</version>
</dependency>
<!-- Hibernate Bean Validator -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-validator</artifactId>
<version>${hibernate.validator.version}</version>
</dependency>
<dependency>
<groupId>org.apache.tomcat</groupId>
<artifactId>jasper-el</artifactId>
<version>${tomcat.jasper.el.version}</version>
</dependency>
<!-- Jackson JSON -->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>${jackson.version}</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-annotations</artifactId>
<version>${jackson.version}</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>${jackson.version}</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.jaxrs</groupId>
<artifactId>jackson-jaxrs-json-provider</artifactId>
<version>${jackson.version}</version>
</dependency>
<!-- Hystrix -->
<dependency>
<groupId>com.netflix.hystrix</groupId>
<artifactId>hystrix-core</artifactId>
<version>${hystrix.version}</version>
</dependency>
<dependency>
<groupId>com.netflix.hystrix</groupId>
<artifactId>hystrix-metrics-event-stream</artifactId>
<version>${hystrix.version}</version>
</dependency>
<!-- TESTING -->
<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-test-spring</artifactId>
<version>${camel.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-spring-javaconfig</artifactId>
<version>${camel.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.hamcrest</groupId>
<artifactId>hamcrest-all</artifactId>
<version>1.3</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.jolokia</groupId>
<artifactId>jolokia-spring</artifactId>
<classifier>plugin</classifier>
<version>1.2.0</version>
</dependency>
<dependency>
<artifactId>geronimo-servlet_3.0_spec</artifactId>
<groupId>org.apache.geronimo.specs</groupId>
<version>1.0</version>
<scope>runtime</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-checkstyle-plugin</artifactId>
<configuration>
<configLocation>src/main/resources/not_packaged_in_archive/rmg-checkstyle.xml</configLocation>
<propertyExpansion>
suppressions.file=src/main/resources/not_packaged_in_archive/rmg-checkstyle-suppressions.xml
</propertyExpansion>
<propertyExpansion>
suppressions.file=src/main/resources/not_packaged_in_archive/rmg-checkstyle-suppressions.xml
</propertyExpansion>
</configuration>
</plugin>
<!-- wsdl2java plugin-->
<plugin>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-codegen-plugin</artifactId>
<version>${cxf.version}</version>
<executions>
<execution>
<id>generate-login-client-classes</id>
<phase>generate-sources</phase>
<configuration>
<sourceRoot>${basedir}/target/generated-sources/wsdl2java</sourceRoot>
<wsdlOptions>
<wsdlOption>
<wsdl>${basedir}/src/main/resources/META-INF/wsdl/testmbo_login.wsdl</wsdl>
<extraargs>
<extraarg>-validate</extraarg>
<extraarg>-client</extraarg>
<extraarg>-verbose</extraarg>
<extraarg>-p</extraarg>
<extraarg>com.bigmachines.security.service</extraarg>
<extraarg>-exsh</extraarg>
<extraarg>true</extraarg>
</extraargs>
</wsdlOption>
</wsdlOptions>
</configuration>
<goals>
<goal>wsdl2java</goal>
</goals>
</execution>
</executions>
</plugin>
<!-- JAXB plugin -->
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>jaxb2-maven-plugin</artifactId>
<version>${jaxb2.plugin.version}</version>
<executions>
<execution>
<id>generate-source</id>
<goals>
<goal>xjc</goal>
</goals>
</execution>
</executions>
<configuration>
<packageName>com.rmg.pricefinder.model</packageName>
<schemaDirectory>src/main/resources/META-INF/xsd</schemaDirectory>
<schemaFiles>mailServices.xsd, pips.xsd, weight-bands.xsd, destinations.xsd</schemaFiles>
<bindingDirectory>src/main/resources/META-INF/jaxb</bindingDirectory>
<bindingFiles>serializable.xjb</bindingFiles>
</configuration>
</plugin>
<!-- Explicitly run PMD in the build -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-pmd-plugin</artifactId>
<version>${pmd.version}</version>
<configuration>
<linkXRef>true</linkXRef>
<sourceEncoding>${project.build.sourceEncoding}</sourceEncoding>
<minimumTokens>100</minimumTokens>
<targetJdk>${compileSource}</targetJdk>
<excludes>
<exclude>**com/bigmachines/security/service/*.java</exclude>
<exclude>**com/bigmachines/security/service/runtime/*.java</exclude>
</excludes>
</configuration>
<executions>
<execution>
<goals>
<goal>check</goal>
<goal>cpd-check</goal>
</goals>
</execution>
</executions>
</plugin>
<!-- Surefire configuration to run specified group of tests -->
<plugin>
<artifactId>maven-surefire-plugin</artifactId>
<version>${surefire.version}</version>
<configuration>
<groups>${tests.group}</groups>
</configuration>
</plugin>
</plugins>
</build>
<profiles>
<!-- 'dev' profile - runs only unit & acceptance tests. This is the default profile.
Gets activated by default or when the value of the system property 'ENVIRONMENT' is 'dev' -->
<profile>
<id>dev</id>
<activation>
<activeByDefault>true</activeByDefault>
<property>
<name>ENVIRONMENT</name>
<value>dev</value>
</property>
</activation>
<properties>
<tests.group>
com.rmg.pricefinder.camel.PriceFinderAcceptanceTest,
com.rmg.pricefinder.camel.PriceFinderUnitTest
</tests.group>
</properties>
</profile>
<!-- 'sit' profile - runs integration tests only.
Gets activated when the value of the system property 'ENVIRONMENT' is 'sit' -->
<profile>
<id>sit</id>
<activation>
<property>
<name>ENVIRONMENT</name>
<value>sit</value>
</property>
</activation>
<properties>
<tests.group>com.rmg.pricefinder.camel.PriceFinderIntegrationTest</tests.group>
</properties>
</profile>
</profiles>
當我發出mvn clean install命令，它成功地建立。但是，當我嘗試運行使用java -jar <generated_jar_filename>它給了我下面的錯誤命令行中生成jar文件：
C:\Users\aattarwa>java -jar D:\Users\aattarwa\.m2\repository\com\rmg\price-finder-camel\1.0.0-SNAPSHOT\price-finder-camel-1.0.0-SNAPSHOT.jar
Exception in thread "main" java.lang.NoClassDefFoundError: javax/servlet/Servlet
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Unknown Source)
at java.lang.Class.getMethod0(Unknown Source)
at java.lang.Class.getMethod(Unknown Source)
at sun.launcher.LauncherHelper.getMainMethod(Unknown Source)
at sun.launcher.LauncherHelper.checkAndLoadMain(Unknown Source)
Caused by: java.lang.ClassNotFoundException: javax.servlet.Servlet
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 6 more
我已經明確地增加了geronimo-servlet_3.0_spec依賴到我的POM文件爲：
<dependency>
<artifactId>geronimo-servlet_3.0_spec</artifactId>
<groupId>org.apache.geronimo.specs</groupId>
<version>1.0</version>
<scope>runtime</scope>
</dependency>
儘管如此，當我嘗試執行jar時，仍然給我NoClassDefFoundError。
有沒有人有任何線索？
我完全刪除了範圍，但問題仍然存在。我通過命令行發佈maven命令，這意味着我的IDE不會搞亂它。我相信它的一些其他依賴項不包括classpath中的servlet類。 – abbasdgr8