document library relication problem

[clarencemei]

Hi, i have setup two site replication ,but it doesn't good work in document library!
I copy some folder and files to site1–shard driver–site–TEST–documentlibrary,i can find all files in site2–shard driver–site–TEST–documentlibrary
It has a big problem for me
In site1  (http:// 1:8080/share/): It has all folder and file    
In site2  (http:// 2:8080/share/): only can see folder not any file
In site1  (http:// 1:8080/alfresco/): It has all folder and file    
In site2  (http:// 2:8080/alfresco/):  It has all folder and file
What's problem? How to debug it ? Have any solution?

Please help me!

[clarencemei]

Three errors, but i don't know whick is the core problem.

14:16:59,254 ERROR [org.alfresco.repo.transaction.AlfrescoTransactionSupport] After completion (committed) TransactionalCache exception
org.alfresco.error.AlfrescoRuntimeException: 01050069 Failed to transfer updates to shared cache
   at org.alfresco.repo.cache.TransactionalCache.afterCommit(TransactionalCache.java:689)
   at org.alfresco.repo.transaction.AlfrescoTransactionSupport$TransactionSynchronizationImpl.afterCompletion(AlfrescoTransactionSupport.java:793)‍‍‍‍

Caused by: java.rmi.MarshalException: error marshalling arguments; nested exception is: 
   java.io.NotSerializableException: org.alfresco.repo.domain.avm.ibatis.AVMNodeLinksDAOImpl
   at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:138)
   at net.sf.ehcache.distribution.RMICachePeer_Stub.remove(Unknown Source)
   at net.sf.ehcache.distribution.RMISynchronousCacheReplicator.replicateRemovalNotification(RMISynchronousCacheReplicator.java:228)‍‍‍‍‍

Caused by: net.sf.ehcache.distribution.RemoteCacheException: Error doing remove to remote peer. Message was: error marshalling arguments; nested exception is: 
   java.io.NotSerializableException: org.alfresco.repo.domain.avm.ibatis.AVMNodeLinksDAOImpl
   at net.sf.ehcache.distribution.RMISynchronousCacheReplicator.replicateRemovalNotification(RMISynchronousCacheReplicator.java:230)


at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)‍‍‍‍‍‍