启动使用Tomcat Embedded和Maven的应用程序

我想使用 embedded tomcat 而不是独立版本启动Web应用程序 . 为了做到这一点，我已经在 pom.xml 中声明了tomcat maven插件 . 当我试图启动时， I got this error :

Exception in thread "Thread-2" java.lang.NoClassDefFoundError: org/apache/commons/io/FileUtils
at org.apache.tomcat.maven.plugin.tomcat7.run.RunMojo$2.run(RunMojo.java:295)
Caused by: java.lang.ClassNotFoundException: org.apache.commons.io.FileUtils
at  org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:50)
at org.codehaus.plexus.classworlds.realm.ClassRealm.unsynchronizedLoadClass(ClassRealm.java:271)
at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:247)
at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:239)
... 1 more

This is my POM.xml's configuration :

<build>
  <plugins>
    <plugin>
      <groupId>org.apache.tomcat.maven</groupId>
      <artifactId>tomcat7-maven-plugin</artifactId>
      <version>${tomcat-maven-plugin.version}</version>
      <configuration>
        <port>8080</port>
        <path>/ppc-v2.webapp</path>
      </configuration>
      <dependencies>
        <dependency>
          <groupId>upgrade.karavel.framework</groupId>
          <artifactId>framework.integration.camel.extension</artifactId>
          <version>${framework.camel.extension.version}</version>
          <exclusions>
            <exclusion>
              <groupId>org.apache.geronimo.specs</groupId>
              <artifactId>geronimo-servlet_2.5_spec</artifactId>
            </exclusion>
          </exclusions>
        </dependency>
        <dependency>
          <groupId>upgrade.karavel.framework</groupId>
          <artifactId>framework.frontend.web</artifactId>
          <version>${framework.frontend.web.version}</version>
          <exclusions>
            <exclusion>
              <groupId>org.springframework.webflow</groupId>
              <artifactId>spring-webflow</artifactId>
            </exclusion>
            <exclusion>
              <groupId>javax.servlet</groupId>
              <artifactId>servlet-api</artifactId>
            </exclusion>
          </exclusions>
        </dependency>
      </dependencies>
    </plugin>
  </plugins>
</build>

编辑：我在日志顶部有以下堆栈跟踪：

GRAVE：一个子容器开始java.util.concurrent.ExecutionException期间失败：org.apache.catalina.LifecycleException：未能启动成分[StandardEngine [Tomcat的] .StandardHost [本地主机] .StandardContext [/ppc-v2.webapp]] at java.util.concurrent.FutureTask.report（FutureTask.java:122）at java.util.concurrent.FutureTask.get（FutureTask.java:192）at org.apache.catalina.core.ContainerBase.startInternal（ContainerBase.java） ：1123）在org.apache.catalina.core.StandardHost.startInternal（StandardHost.java:800）在org.apache.catalina.util.LifecycleBase.start（LifecycleBase.java:150）在org.apache.catalina.core . ContainerBase $ StartChild.call（ContainerBase.java:1559）atg.apache.catalina.core.ContainerBase $ StartChild.call（ContainerBase.java:1549）at java.util.concurrent.FutureTask.run（FutureTask.java:266） at java.util.concurrent.ThreadPoolExecutor.runWorker（ThreadPoolExecutor.java:1149）at java.util.concurrent.ThreadPoolExecutor $ Worker.run（ThreadPoolExecutor.java:624）at java.lang.Thread .run（Thread.java:748）引起：org.apache.catalina.LifecycleException：无法在org.apache中启动组件[StandardEngine [Tomcat] .StandardHost [localhost] .StandardContext [/ppc-v2.webapp]] . java.lang.ClassCastException：catalina.util.LifecycleBase.start（LifecycleBase.java:154）... 6更所致org.springframework.web.SpringServletContainerInitializer不能org.apache.catalina被转换为javax.servlet.ServletContainerInitializer .startup.ContextConfig.getServletContainerInitializer（ContextConfig.java:1670）在org.apache.catalina.startup.ContextConfig.getServletContainerInitializers（ContextConfig.java:1652）在org.apache.catalina.startup.ContextConfig.processServletContainerInitializers（ContextConfig.java:1562 ）在org.apache.catalina.startup.ContextConfig.webConfig（ContextConfig.java:1270）在org.apache.catalina.startup.ContextConfig.configureStart（ContextConfig.java:878）在org.apache.catalina.startup.ContextConfig . org.apache.catalin中的lifecycleEvent（ContextConfig.java:376） a.util.LifecycleSupport.fireLifecycleEvent（LifecycleSupport.java:119）在org.apache.catalina.util.LifecycleBase.fireLifecycleEvent（LifecycleBase.java:90）在org.apache.catalina.core.StandardContext.startInternal（StandardContext.java： 5322）在org.apache.catalina.util.LifecycleBase.start（LifecycleBase.java:150）... 6月9日 . 03，2018下午12时34分07秒org.apache.catalina.core.ContainerBase startInternal坟墓开始java.util.concurrent.ExecutionException在子容器失败：org.apache.catalina.LifecycleException：无法启动组件[StandardEngine [ Tomcat] .StandardHost [localhost]]，位于org.apache.catalina.core的java.util.concurrent.FutureTask.report（FutureTask.java:122）java.util.concurrent.FutureTask.get（FutureTask.java:192） .ContainerBase.startInternal（ContainerBase.java:1123）在org.apache.catalina.core.StandardEngine.startInternal（StandardEngine.java:302）在org.apache.catalina.util.LifecycleBase.start（LifecycleBase.java:150）在org.apache.catalina.core.StandardService.startInternal（StandardService.java:443）在org.apache.catalina.util.LifecycleBase.start（LifecycleBase.java:150）在org.apache.catalina.core.StandardServer.startInternal（ StandardServer.java:732）org.apache.catalina.util.LifecycleBase.start（LifecycleBase.java:150）org.apache.catalina.startup.Tomcat.start（Tomcat.java:3 41）在org.apache.tomcat.maven.plugin.tomcat7.run.AbstractRunMojo.startContainer（AbstractRunMojo.java:1238）在org.apache.tomcat.maven.plugin.tomcat7.run.AbstractRunMojo.execute（AbstractRunMojo.java： 592）在org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo（DefaultBuildPluginManager.java:132）在org.apache.maven.lifecycle.internal.MojoExecutor.execute（MojoExecutor.java:208）在org.apache.maven.lifecycle .internal.MojoExecutor.execute（MojoExecutor.java:153）在org.apache.maven.lifecycle.internal.MojoExecutor.execute（MojoExecutor.java:145）在org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject（LifecycleModuleBuilder .java：116）在org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject（LifecycleModuleBuilder.java:80）atorg.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build（SingleThreadedBuilder.java:51）位于org.apache的org.apache.maven.lifecycle.internal.LifecycleStarter.execute（LifecycleStarter.java:120） . maven.DefaultMaven.doExecute（DefaultMaven.java:347）org.apache.maven.DefaultMaven.execute（DefaultMaven.java:154）atg.apache.maven.cli.MavenCli.execute（MavenCli.java:582）org位于org.apache.maven.cli.MavenCli.main（MavenCli.java:158）的.apache.maven.cli.MavenCli.doMain（MavenCli.java:214）at sun.reflect.NativeMethodAccessorImpl.invoke0（Native Method）at sun .reflect.NativeMethodAccessorImpl.invoke（NativeMethodAccessorImpl.java:62）位于org.codehaus的java.lang.reflect.Method.invoke（Method.java:498）的sun.reflect.DelegatingMethodAccessorImpl.invoke（DelegatingMethodAccessorImpl.java:43） . 在org.codehaus.plexus.classworlds的org.codehaus.plexus.classworlds.launcher.Launcher.launch（Launcher.java:229）上的plexus.classworlds.launcher.Launcher.launchEnhanced（Launcher.java:289） .launcher.Launcher.mainWithExitCode（Launcher.java:415）at org.codehaus.plexus.classworlds.launcher.Launcher.main（Launcher.java:356）引起：org.apache.catalina.LifecycleException：无法启动组件[ StandardEngine [Tomcat] .StandardHost [localhost]]在org.apache.catalina.util.LifecycleBase.start（LifecycleBase.java:154）org.apache.catalina.core.ContainerBase $ StartChild.call（ContainerBase.java:1559） at org.apache.catalina.core.ContainerBase $ StartChild.call（ContainerBase.java:1549）at java.util.concurrent.FutureTask.run（FutureTask.java:266）at java.util.concurrent.ThreadPoolExecutor.runWorker（ThreadPoolExecutor） .java：1149）java.util.concurrent.ThreadPoolExecutor $ Worker.run（ThreadPoolExecutor.java:624）at java.lang.Thread.run（Thread.java:748）引起：org.apache.catalina.LifecycleException：在Org.apache.catalina.core.ContainerBase.startInternal（ContainerBase.java:1131）的org.apache.catalina.core.StandardHost.startInternal（StandardHost）启动时，子容器失败.java：800）在org.apache.catalina.util.LifecycleBase.start（LifecycleBase.java:150）... 6更多