Eclipse：在“更新Maven项目”期间发生内部错误。org/apache/maven/plugin/war/util/mappingutils

Question

添加对pom.xml的依赖项并通过Maven->Update Project进行更新，我得到了这个错误（请参见下面的.log）

！条目org.eclipse.core.jobs 4 2 201 2-08-22 10:04:31.078！消息：“更新Maven Project”期间发生内部错误。！Stack 0 java.lang.noClassDeffounderror：org/apache/maven/plugin/war/util/mappingutils at org.maven.ide.eclipse.wtp.namemapping.patternbasedfilenamapping.mapfileName（patternbasedfilenamapping.java:36)at org.maven.ide.eclipse.wtp.webprojectConfiguratorDelegate.configureClasspath（html" target="_blank">webprojectConfiguratorDelegate.java:367)at在org.eclipse.m2e.jdt.internal.buildPathManagerDelegate.populateClasspath(DefaultClasspathManagerDelegate.java:61)，org.eclipse.m2e.jdt.internal.buildPathManager.getClasspath 419）在org.eclipse.m2e.jdt.internal.buildPathManager.updateClasspath（buildPathManager.java:240)at org.eclipse.m2e.jdt.internal.buildPathManager.mavenProjectChanged(BuildPathManager.java:229)在org.eclipse.m2e.core.internal.project.registry.projectRegistryManager.notifyProjectChangeListeners（ProjectRegistryManager.java:724)在.java:280)在org.eclipse.m2e.core.internal.projectconfigurationmanager.updateProjectConfigurationmanager(projectConfigurationmanager.java:323)在org.eclipse.m2e.core.ui.internal.updatemavenProjectJob.runinworkspace（updatemavenProjectJob.java:74)在org.eclipse.core.internal.resources.internalworkspaceJob.run（

有什么建议吗？

Answer 1

检查POM中maven-war-plugin的版本，并确保它是2.2