记一次maven打包编译文件一直不正确

maven打包发现war包解压后的class文件总是跟原Java不一样

后来发现pom中这么写到

<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.1</version>
<configuration>
<source>1.7</source>
<target>1.7</target>
<compilerId>eclipse</compilerId>
<optimize>true</optimize>
<!--
<includes> -->
<!--
<include>src/**/*.xml</include> -->
<!--
<include>src/**/*.java</include> -->
<!--
</includes> -->
<excludes>
<exclude>testcase/**/*.java</exclude>
</excludes>
</configuration>
<dependencies>
<dependency>
<groupId>org.codehaus.plexus</groupId>
<artifactId>plexus-compiler-eclipse</artifactId>
<version>2.8.1</version>
</dependency>
</dependencies>
</plugin>
<plugin>
<artifactId>maven-war-plugin</artifactId>
<version>2.3</version>
<configuration>
<warSourceDirectory>WebRoot</warSourceDirectory>
<packagingExcludes>
WEB-INF/lib/struts-*.jar,
WEB-INF/lib/stax-api-*.jar,
WEB-INF/lib/sslext-*.jar,
WEB-INF/lib/xom-*.jar,
WEB-INF/lib/xalan-*.jar,
WEB-INF/lib/xml-apis-*.jar,
WEB-INF/lib/xmlbeans-*.jar,
WEB-INF/lib/xmlParserAPIs-*.jar,
WEB-INF/lib/kxml2-min-*.jar,
WEB-INF/lib/mail-*.jar,
WEB-INF/lib/commons-validator-*.jar,
WEB-INF/lib/commons-chain-*.jar,
WEB-INF/lib/activation-*.jar,
WEB-INF/lib/antlr-*.jar,
WEB-INF/lib/ant-launcher-*.jar,
WEB-INF/lib/icu4j-*.jar
</packagingExcludes>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<configuration>
<skip>true</skip>
</configuration>
</plugin>
<!-- <plugin> <groupId>org.zeroturnaround</groupId> <artifactId>jrebel-maven-plugin</artifactId>
<version>1.1.6</version> <executions> <execution> <id>generate-rebel-xml</id>
<phase>process-resources</phase> <goals> <goal>generate</goal> </goals> </execution>
</executions> </plugin> -->
</plugins>

而我一直没有发现，自己的WEB-INFO  目录下同样存在一个class文件，由于项目默认的打包路径也是WEB-INFO  故，pom中那样写法  会导致原WEN-INFO 小的文件  一直会覆盖新编译的文件