pom.xml 报错org.apache.maven.plugin.war.WarMojo的解决办法

<plugin> 				<groupId>org.apache.maven.plugins</groupId> 				<artifactId>maven-var-plugin</artifactId> 				<version>2.2</version> 			</plugin>

 出现如下这种错误， 就是jar包版本冲突， 如上所示， 将冲突的jar包定义， 升级或者降级版本就好 了

[INFO] --- maven-war-plugin:2.2:war (default-war) @ ams-web --- [WARNING] Error injecting: org.apache.maven.plugin.war.WarMojo java.lang.TypeNotPresentException: Type org.apache.maven.plugin.war.WarMojo not present 	at org.eclipse.sisu.space.URLClassSpace.loadClass(URLClassSpace.java:111) 	at org.eclipse.sisu.space.NamedClass.load(NamedClass.java:46) 	at org.eclipse.sisu.space.AbstractDeferredClass.get(AbstractDeferredClass.java:48) 	at com.google.inject.internal.ProviderInternalFactory.provision(ProviderInternalFactory.java:86) 	at com.google.inject.internal.InternalFactoryToInitializableAdapter.provision(InternalFactoryToInitializableAdapter.java:54) 	at com.google.inject.internal.ProviderInternalFactory$1.call(ProviderInternalFactory.java:70) 	at com.google.inject.internal.ProvisionListenerStackCallback$Provision.provision(ProvisionListenerStackCallback.java:113) 	at org.eclipse.sisu.bean.BeanScheduler$Activator.onProvision(BeanScheduler.java:176) 	at com.google.inject.internal.ProvisionListenerStackCallback$Provision.provision(ProvisionListenerStackCallback.java:122) 	at com.google.inject.internal.ProvisionListenerStackCallback.provision(ProvisionListenerStackCallback.java:68) 	at com.google.inject.internal.ProviderInternalFactory.circularGet(ProviderInternalFactory.java:68) 	at com.google.inject.internal.InternalFactoryToInitializableAdapter.get(InternalFactoryToInitializableAdapter.java:46) 	at com.google.inject.internal.InjectorImpl$2$1.call(InjectorImpl.java:1009) 	at com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1059) 	at com.google.inject.internal.InjectorImpl$2.get(InjectorImpl.java:1005) 	at com.google.inject.Scopes$1$1.get(Scopes.java:59) 	at org.eclipse.sisu.inject.LazyBeanEntry.getValue(LazyBeanEntry.java:82) 	at org.eclipse.sisu.plexus.LazyPlexusBean.getValue(LazyPlexusBean.java:51) 	at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:263) 	at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:255) 	at org.apache.maven.plugin.internal.DefaultMavenPluginManager.getConfiguredMojo(DefaultMavenPluginManager.java:464) 	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:119) 	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208) 	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153) 	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145) 	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116) 	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80) 	at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51) 	at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:120) 	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:355) 	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:155) 	at org.apache.maven.cli.MavenCli.execute(MavenCli.java:584) 	at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:216) 	at org.apache.maven.cli.MavenCli.main(MavenCli.java:160) 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 	at java.lang.reflect.Method.invoke(Method.java:483) 	at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289) 	at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229) 	at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415) 	at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356) Caused by: java.lang.ClassNotFoundException: org.apache.maven.plugin.war.WarMojo 	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) 	at org.eclipse.sisu.space.URLClassSpace.loadClass(URLClassSpace.java:107) 	... 41 more