maven 编译异常：com.thoughtworks.xstream.converters.ConversionException(转
今天用maven编译，报以奇怪异常：
mvn package -Dmaven.test.skip=true
[INFO] ------------------------------------
[INFO] Trace
com.thoughtworks.xstream.converters.ConversionException: Cannot construct org.ap
ache.maven.plugin.war.util.WebappStructure as it does not have a no-args constru
ctor
---- Debugging information ----
message : Cannot construct org.apache.maven.plugin.war.util.WebappSt
ructure as it does not have a no-args constructor
cause-exception : com.thoughtworks.xstream.converters.reflection.ObjectAcces
sException
cause-message : Cannot construct org.apache.maven.plugin.war.util.WebappSt
ructure 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
-------------------------------
经查与JDK版本有关，1.7版本会报以上错误。换成1.6，果断成功。
