After change value in cacheFactory is thrown java.lang.IllegalStateException:
015-06-02 13:22:24,250 INFO  info.magnolia.module.ModuleManagerImpl            : Stopping module cache
2015-06-02 13:22:24.253 INFO net.spy.memcached.MemcachedConnection:  Shut down memcached client
Exception in thread "Thread-39" java.lang.IllegalStateException: Shutting down
	at net.spy.memcached.MemcachedClient.broadcastOp(MemcachedClient.java:275)
	at net.spy.memcached.MemcachedClient.broadcastOp(MemcachedClient.java:264)
	at net.spy.memcached.MemcachedClient.flush(MemcachedClient.java:1886)
	at net.spy.memcached.MemcachedClient.flush(MemcachedClient.java:1950)
	at net.spy.memcached.MemcachedClient.flush(MemcachedClient.java:126)
	at info.magnolia.module.cache.memcached.MemcachedWrapper.clear(MemcachedWrapper.java:259)
	at info.magnolia.module.cache.FlushAllListeningPolicy.preHandleEvents(FlushAllListeningPolicy.java:64)
	at info.magnolia.module.cache.AbstractListeningFlushPolicy$CacheCleaner.onEvent(AbstractListeningFlushPolicy.java:205)
	at info.magnolia.cms.util.ObservationUtil$ObservationBasedDelayedExecutor$1.run(ObservationUtil.java:253)
	at info.magnolia.cms.util.DelayedExecutor$RunnableWrapper.run(DelayedExecutor.java:103)
	at EDU.oswego.cs.dl.util.concurrent.ClockDaemon$RunLoop.run(Unknown Source)
	at java.lang.Thread.run(Thread.java:745)
2015-06-02 13:22:24.258 INFO net.spy.memcached.MemcachedConnection:  Shut down memcached client
Exception in thread "Thread-40" java.lang.IllegalStateException: Shutting down
	at net.spy.memcached.MemcachedClient.broadcastOp(MemcachedClient.java:275)
	at net.spy.memcached.MemcachedClient.broadcastOp(MemcachedClient.java:264)
	at net.spy.memcached.MemcachedClient.flush(MemcachedClient.java:1886)
	at net.spy.memcached.MemcachedClient.flush(MemcachedClient.java:1950)
	at net.spy.memcached.MemcachedClient.flush(MemcachedClient.java:126)
	at info.magnolia.module.cache.memcached.MemcachedWrapper.clear(MemcachedWrapper.java:259)
	at info.magnolia.module.cache.FlushAllListeningPolicy.preHandleEvents(FlushAllListeningPolicy.java:64)
	at info.magnolia.module.cache.AbstractListeningFlushPolicy$CacheCleaner.onEvent(AbstractListeningFlushPolicy.java:205)
	at info.magnolia.cms.util.ObservationUtil$ObservationBasedDelayedExecutor$1.run(ObservationUtil.java:253)
	at info.magnolia.cms.util.DelayedExecutor$RunnableWrapper.run(DelayedExecutor.java:103)
	at EDU.oswego.cs.dl.util.concurrent.ClockDaemon$RunLoop.run(Unknown Source)
	at java.lang.Thread.run(Thread.java:745)
2015-06-02 13:22:24,283 INFO  info.magnolia.module.ModuleManagerImpl            : Starting module cache
2015-06-02 13:22:24.283 INFO net.spy.memcached.MemcachedConnection:  Added {QA sa=/10.99.122.42:11211, #Rops=0, #Wops=0, #iq=0, topRop=null, topWop=null, toWrite=0, interested=0} to connect queue
2015-06-02 13:22:24.286 INFO net.spy.memcached.MemcachedConnection:  Added {QA sa=/10.99.122.42:11212, #Rops=0, #Wops=0, #iq=0, topRop=null, topWop=null, toWrite=0, interested=0} to connect queue
2015-06-02 13:22:24.289 INFO net.spy.memcached.MemcachedConnection:  Connection state changed for sun.nio.ch.SelectionKeyImpl@142ad371
2015-06-02 13:22:24.289 INFO net.spy.memcached.MemcachedConnection:  Connection state changed for sun.nio.ch.SelectionKeyImpl@355c2b2