maven结构如下：
当加入web时打包报提示：
Failed to execute goal org.apache.maven.plugins:maven-war-plugin:2.2:war (default-war)
后增加
org.apache.maven.plugins
maven-war-plugin
2.4
src\main\webapp
却又提示
**[INFO] Processing war project
[INFO] Copying webapp webResources [E:\workspace\itm.root\itm.client\src\main\webapp] to [E:\workspace\itm.root\itm.client\target\itm.client]
[INFO] Copying webapp resources [E:\workspace\itm.root\itm.client\src\main\webapp]
java.lang.Error: Cleaner terminated abnormally
at sun.misc.Cleaner$1.run(Cleaner.java:148)
at sun.misc.Cleaner$1.run(Cleaner.java:145)
at java.security.AccessController.doPrivileged(Native Method)
at sun.misc.Cleaner.clean(Cleaner.java:145)
at sun.nio.ch.FileChannelImpl.unmap(FileChannelImpl.java:849)
at sun.nio.ch.FileChannelImpl.transferFromFileChannel(FileChannelImpl.java:647)
at sun.nio.ch.FileChannelImpl.transferFrom(FileChannelImpl.java:708)
at org.codehaus.plexus.util.FileUtils.doCopyFile(FileUtils.java:1077)
at org.codehaus.plexus.util.FileUtils.copyFile(FileUtils.java:1049)
at org.apache.maven.plugin.war.packaging.AbstractWarPackagingTask.copyFile(AbstractWarPackagingTask.java:334)
at org.apache.maven.plugin.war.packaging.AbstractWarPackagingTask$1.registered(AbstractWarPackagingTask.java:154)
at org.apache.maven.plugin.war.util.WebappStructure.registerFile(WebappStructure.java:207)
at org.apache.maven.plugin.war.packaging.AbstractWarPackagingTask.copyFile(AbstractWarPackagingTask.java:149)
at org.apache.maven.plugin.war.packaging.ArtifactsPackagingTask.performPackaging(ArtifactsPackagingTask.java:110)
at org.apache.maven.plugin.war.packaging.WarProjectPackagingTask.handleArtifacts(WarProjectPackagingTask.java:194)
at org.apache.maven.plugin.war.packaging.WarProjectPackagingTask.performPackaging(WarProjectPackagingTask.java:106)
at org.apache.maven.plugin.war.AbstractWarMojo.buildWebapp(AbstractWarMojo.java:505)
at org.apache.maven.plugin.war.AbstractWarMojo.buildExplodedWebapp(AbstractWarMojo.java:433)
at org.apache.maven.plugin.war.WarMojo.performPackaging(WarMojo.java:213)
at org.apache.maven.plugin.war.WarMojo.execute(WarMojo.java:175)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:207)
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:128)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:863)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:288)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:199)
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:498)
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.io.IOException: 试图访问无效的地址。
at sun.nio.ch.FileChannelImpl.unmap0(Native Method)
at sun.nio.ch.FileChannelImpl.access$000(FileChannelImpl.java:50)
at sun.nio.ch.FileChannelImpl$Unmapper.run(FileChannelImpl.java:826)
at sun.misc.Cleaner.clean(Cleaner.java:143)
... 38 more
**
