add synchronized to protect the map, to fix the bug: #76
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java.util.ConcurrentModificationException
at java.util.IdentityHashMap.remove(IdentityHashMap.java:729)
at com.ycache.danga.MemCached.SockIOPool.clearHostFromPool(Unknown Source)
at com.ycache.danga.MemCached.SockIOPool.createSocket(Unknown Source)
at com.ycache.danga.MemCached.SockIOPool.getConnection(Unknown Source)
at com.ycache.danga.MemCached.SockIOPool.getSock(Unknown Source)
at com.ycache.danga.MemCached.MemCachedClient.get(Unknown Source)
at com.ycache.danga.MemCached.MemCachedClient.get(Unknown Source)
at com.yihaodian.common.ycache.memcache.impl.BaseMemcacheProxy.get(Unknown Source)
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java.util.ConcurrentModificationException
at java.util.IdentityHashMap.remove(IdentityHashMap.java:729)
at com.ycache.danga.MemCached.SockIOPool.clearHostFromPool(Unknown Source)
at com.ycache.danga.MemCached.SockIOPool.createSocket(Unknown Source)
at com.ycache.danga.MemCached.SockIOPool.getConnection(Unknown Source)
at com.ycache.danga.MemCached.SockIOPool.getSock(Unknown Source)
at com.ycache.danga.MemCached.MemCachedClient.get(Unknown Source)
at com.ycache.danga.MemCached.MemCachedClient.get(Unknown Source)
at com.yihaodian.common.ycache.memcache.impl.BaseMemcacheProxy.get(Unknown Source)