我从第二个ehcache .put得到此错误，我不知道为什么这只会发生与写入磁盘有关，任何想法如何解决？
2014-02-27 12:06:11,298 ERROR [worker-29] [MyApp] unread block data
java.lang.IllegalStateException: unread block data
at java.io.ObjectInputStream$BlockDataInputStream.setBlockDataMode(ObjectInputStream.java:2419) ~[na:1.7.0_25]
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1380) ~[na:1.7.0_25]
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1989) ~[na:1.7.0_25]
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1913) ~[na:1.7.0_25]
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1796) ~[na:1.7.0_25]
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1348) ~[na:1.7.0_25]
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:370) ~[na:1.7.0_25]
at net.sf.ehcache.store.disk.DiskStorageFactory.read(DiskStorageFactory.java:378) ~[ehcache-core.jar:na]
at net.sf.ehcache.store.disk.DiskStorageFactory.retrieve(DiskStorageFactory.java:936) ~[ehcache-core.jar:na]
at net.sf.ehcache.store.disk.Segment.decode(Segment.java:167) ~[ehcache-core.jar:na]
at net.sf.ehcache.store.disk.Segment.put(Segment.java:444) ~[ehcache-core.jar:na]
at net.sf.ehcache.store.disk.DiskStore.put(DiskStore.java:475) ~[ehcache-core.jar:na]
at net.sf.ehcache.store.FrontEndCacheTier.put(FrontEndCacheTier.java:221) ~[ehcache-core.jar:na]
at net.sf.ehcache.Cache.putInternal(Cache.java:1492) ~[ehcache-core.jar:na]
at net.sf.ehcache.Cache.put(Cache.java:1417) ~[ehcache-core.jar:na]
at net.sf.ehcache.Cache.put(Cache.java:1382) ~[ehcache-core.jar:na]
我的conf：
val cacheConf: CacheConfiguration = new CacheConfiguration(EHCacheWrapper.cacheName, 50000)
.maxElementsInMemory(50000)
.maxElementsOnDisk(50000)
.eternal(false)
.timeToLiveSeconds(300)
.timeToIdleSeconds(300)
.overflowToDisk(true)
.diskPersistent(true)
.diskSpoolBufferSizeMB(20)
.memoryStoreEvictionPolicy(MemoryStoreEvictionPolicy.LRU)
val cacheManagerConf = new Configuration()
val diskStoreConfiguratoin = new DiskStoreConfiguration()
val tempdiskLocation = "/data/tmp"
diskStoreConfiguratoin.setPath(tempdiskLocation)
cacheManagerConf.addDiskStore(diskStoreConfiguratoin)
lazy val ehCacheFactory = EHCacheFactory.createFactory()
lazy val cache = ehCacheFactory.createByConf(cacheManagerConf, cacheConf)