Axis2发布问题，跪求大神帮忙，真的找不到原因啊！
我在项目中的com.federal.server包下面写了一个FileService类，然后我新建了一个FileService的文件夹，里面新建了com\federal\server，把编译好的FileService.class放到了这个目录下，在WEB-INF文件夹，把services.xml放到额这个文件夹下，然后我用cmd命令生成FileService.aar，我把这个aar放到tomcat的axis2的services下面时，一直报错。
我的services.xml文件如下
<service name="FileService">
  <description>
  FileService 例子
  </description>
  <parameter name="ServiceClass">
  com.federal.server.FileService  
  </parameter>
  <messageReceivers>
  <messageReceiver mep="http://www.w3.org/2004/08/wsdl/in-only" class="org.apache.axis2.rpc.receivers.RPCInOnlyMessageReceiver" />
<messageReceiver mep="http://www.w3.org/2004/08/wsdl/in-out" class="org.apache.axis2.rpc.receivers.RPCMessageReceiver"/>
  </messageReceivers>
</service>
报的错误信息如下：
org.apache.axis2.deployment.DeploymentException: The services.xml file cannot be found for the service: D:\apache-tomcat-6.0.35\webapps\axis2\WEB-INF\services\FileService.aar
at org.apache.axis2.deployment.repository.util.ArchiveReader.processServiceGroup(ArchiveReader.java:151)
at org.apache.axis2.deployment.ServiceDeployer.deploy(ServiceDeployer.java:81)
at org.apache.axis2.deployment.repository.util.DeploymentFileData.deploy(DeploymentFileData.java:136)
at org.apache.axis2.deployment.DeploymentEngine.doDeploy(DeploymentEngine.java:597)
at org.apache.axis2.deployment.repository.util.WSInfoList.update(WSInfoList.java:144)
at org.apache.axis2.deployment.RepositoryListener.update(RepositoryListener.java:330)
at org.apache.axis2.deployment.RepositoryListener.checkServices(RepositoryListener.java:227)
at org.apache.axis2.deployment.RepositoryListener.startListener(RepositoryListener.java:324)
at org.apache.axis2.deployment.scheduler.SchedulerTask.checkRepository(SchedulerTask.java:64)
at org.apache.axis2.deployment.scheduler.SchedulerTask.run(SchedulerTask.java:71)
at org.apache.axis2.deployment.scheduler.Scheduler$SchedulerTimerTask.run(Scheduler.java:83)
at java.util.TimerThread.mainLoop(Timer.java:512)
at java.util.TimerThread.run(Timer.java:462)
Caused by: org.apache.axis2.deployment.DeploymentException: The services.xml file cannot be found for the service: D:\apache-tomcat-6.0.35\webapps\axis2\WEB-INF\services\FileService.aar
at org.apache.axis2.deployment.repository.util.ArchiveReader.processServiceGroup(ArchiveReader.java:148)
... 12 more
[ERROR] The FileService.aar service, which is not valid, caused The services.xml file cannot be found for the service: D:\apache-tomcat-6.0.35\webapps\axis2\WEB-INF\services\FileService.aar
org.apache.axis2.deployment.DeploymentException: The services.xml file cannot be found for the service: D:\apache-tomcat-6.0.35\webapps\axis2\WEB-INF\services\FileService.aar
at org.apache.axis2.deployment.repository.util.ArchiveReader.processServiceGroup(ArchiveReader.java:151)
at org.apache.axis2.deployment.ServiceDeployer.deploy(ServiceDeployer.java:81)
at org.apache.axis2.deployment.repository.util.DeploymentFileData.deploy(DeploymentFileData.java:136)
at org.apache.axis2.deployment.DeploymentEngine.doDeploy(DeploymentEngine.java:597)
at org.apache.axis2.deployment.repository.util.WSInfoList.update(WSInfoList.java:144)
at org.apache.axis2.deployment.RepositoryListener.update(RepositoryListener.java:330)
at org.apache.axis2.deployment.RepositoryListener.checkServices(RepositoryListener.java:227)
at org.apache.axis2.deployment.RepositoryListener.startListener(RepositoryListener.java:324)
at org.apache.axis2.deployment.scheduler.SchedulerTask.checkRepository(SchedulerTask.java:64)
at org.apache.axis2.deployment.schedu