ClassCastException in LevelDBCacheStore

2013-06-14 15:20:13,136 ERROR [AbstractCacheStore] (main) ISPN000045: Problems encountered while purging expired
org.infinispan.loaders.CacheLoaderException: org.infinispan.loaders.CacheLoaderException: java.lang.ClassCastException: [B cannot be cast to java.lang.Long
	at org.infinispan.loaders.leveldb.LevelDBCacheStore.purgeInternal(LevelDBCacheStore.java:412)
	at org.infinispan.loaders.AbstractCacheStore$2.run(AbstractCacheStore.java:111)
	at org.infinispan.util.concurrent.WithinThreadExecutor.execute(WithinThreadExecutor.java:44)
	at org.infinispan.loaders.AbstractCacheStore.purgeExpired(AbstractCacheStore.java:107)
	at org.infinispan.loaders.BaseCacheStoreTest.purgeExpired(BaseCacheStoreTest.java:214)
	at org.infinispan.loaders.BaseCacheStoreTest.testLoadAndStoreWithIdle(BaseCacheStoreTest.java:202)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:601)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:84)
	at org.testng.internal.Invoker.invokeMethod(Invoker.java:714)
	at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:901)
	at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1231)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:127)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:111)
	at org.testng.TestRunner.privateRun(TestRunner.java:767)
	at org.testng.TestRunner.run(TestRunner.java:617)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:335)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:330)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:291)
	at org.testng.SuiteRunner.run(SuiteRunner.java:240)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:86)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1224)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1149)
	at org.testng.TestNG.run(TestNG.java:1057)
	at org.testng.remote.RemoteTestNG.run(RemoteTestNG.java:111)
	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:204)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:175)
Caused by: org.infinispan.loaders.CacheLoaderException: java.lang.ClassCastException: [B cannot be cast to java.lang.Long
	at org.infinispan.loaders.leveldb.LevelDBCacheStore.purgeInternal(LevelDBCacheStore.java:403)
	... 29 more
Caused by: java.lang.ClassCastException: [B cannot be cast to java.lang.Long
	at org.infinispan.loaders.leveldb.LevelDBCacheStore.purgeInternal(LevelDBCacheStore.java:367)
	... 29 more