maven web项目执行install异常：org.apache.maven.plugin.war.util.WebappStructure

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异常解决

[INFO] Packaging webapp

[INFO] ------------------------------------------------------------------------

[ERROR] FATAL ERROR

[INFO] ------------------------------------------------------------------------

[INFO] Cannot construct org.apache.maven.plugin.war.util.WebappStructure as it does not have a no-args constructor

---- Debugging information ----

message : Cannot construct org.apache.maven.plugin.war.util.WebappStructure as it does not have a no-args constructor

cause-exception : com.thoughtworks.xstream.converters.reflection.ObjectAccessException

cause-message : Cannot construct org.apache.maven.plugin.war.util.WebappStructure as it does not have a no-args constructor

class : org.apache.maven.plugin.war.util.WebappStructure

required-type : org.apache.maven.plugin.war.util.WebappStructure

path : /webapp-structure

line number : 1

-------------------------------

[INFO] ------------------------------------------------------------------------

[INFO] Trace

com.thoughtworks.xstream.converters.ConversionException: Cannot construct org.apache.maven.plugin.war.util.WebappStructure as it does not have a no-args constructor

---- Debugging information ----

message : Cannot construct org.apache.maven.plugin.war.util.WebappStructure as it does not have a no-args constructor

cause-exception : com.thoughtworks.xstream.converters.reflection.ObjectAccessException

cause-message : Cannot construct org.apache.maven.plugin.war.util.WebappStructure as it does not have a no-args constructor

class : org.apache.maven.plugin.war.util.WebappStructure

required-type : org.apache.maven.plugin.war.util.WebappStructure

path : /webapp-structure

line number : 1

-------------------------------

at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:63)

at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:45)

at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:46)

at com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:117)

at com.thoughtworks.xstream.core.ReferenceByXPathMarshallingStrategy.unmarshal(ReferenceByXPathMarshallingStrategy.java:29)

at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:846)

at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:833)

at com.thoughtworks.xstream.XStream.fromXML(XStream.java:781)

at org.apache.maven.plugin.war.util.WebappStructureSerializer.fromXml(WebappStructureSerializer.java:73)

at org.apache.maven.plugin.war.AbstractWarMojo.buildWebapp(AbstractWarMojo.java:404)

at org.apache.maven.plugin.war.AbstractWarMojo.buildExplodedWebapp(AbstractWarMojo.java:375)

at org.apache.maven.plugin.war.WarMojo.performPackaging(WarMojo.java:181)

at org.apache.maven.plugin.war.WarMojo.execute(WarMojo.java:143)

at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:490)

at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:694)

at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:556)

at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:535)

at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:387)

at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:348)

at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:180)

at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328)

at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138)

at org.apache.maven.cli.MavenCli.main(MavenCli.java:362)

at org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:601)

at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)

at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)

at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)

at org.codehaus.classworlds.Launcher.main(Launcher.java:375)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:601)

at com.intellij.rt.execution.application.AppMain.main(AppMain.java:134)

Caused by: com.thoughtworks.xstream.converters.reflection.ObjectAccessException: Cannot construct org.apache.maven.plugin.war.util.WebappStructure as it does not have a no-args constructor

at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.newInstance(PureJavaReflectionProvider.java:59)

at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.instantiateNewInstance(AbstractReflectionConverter.java:257)

at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshal(AbstractReflectionConverter.java:124)

at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:56)

... 36 more

[INFO] ------------------------------------------------------------------------

[INFO] Total time: 3 seconds

[INFO] Finished at: Wed Aug 06 11:41:01 CST 2014

[INFO] Final Memory: 29M/70M

[INFO] ------------------------------------------------------------------------

在执行一个web项目的install命令时遇到了上面的错误，用的是2.2.1版本的maven，jdk1.7.65。

可能的原因是 <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-war-plugin</artifactId>

这个插件的默认的版本在jdk1.7下有问题，指定2.1.1版本后就没有问题了，修改为下面

<plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-war-plugin</artifactId>
                <version>2.1.1</version>
            </plugin>

参考：http://stackoverflow.com/questions/7539970/cannot-construct-org-apache-maven-plugin-war-util-webappstructure-as-it-does-not

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