Stack trace :
Stack trace :
SEVERE: [172.31.37.7]:5701 [openfire] java.lang.ClassNotFoundException: com.jivesoftware.util.cache.ClusteredCacheFactory$CallableTask
com.hazelcast.nio.serialization.HazelcastSerializationException: java.lang.ClassNotFoundException: com.jivesoftware.util.cache.ClusteredCacheFactory$CallableTask
at com.hazelcast.nio.serialization.DefaultSerializers$ObjectSerializer.read(Defaul tSerializers.java:190)
at com.hazelcast.nio.serialization.StreamSerializerAdapter.read(StreamSerializerAd apter.java:40)
at com.hazelcast.nio.serialization.SerializationServiceImpl.readObject(Serializati onServiceImpl.java:276)
at com.hazelcast.nio.serialization.ByteArrayObjectDataInput.readObject(ByteArrayOb jectDataInput.java:431)
at com.hazelcast.executor.BaseCallableTaskOperation.readInternal(BaseCallableTaskO peration.java:91)
at com.hazelcast.spi.Operation.readData(Operation.java:295)
at com.hazelcast.nio.serialization.DataSerializer.read(DataSerializer.java:105)
at com.hazelcast.nio.serialization.DataSerializer.read(DataSerializer.java:36)
at com.hazelcast.nio.serialization.StreamSerializerAdapter.read(StreamSerializerAd apter.java:59)
at com.hazelcast.nio.serialization.SerializationServiceImpl.toObject(Serialization ServiceImpl.java:218)
at com.hazelcast.spi.impl.NodeEngineImpl.toObject(NodeEngineImpl.java:156)
at com.hazelcast.spi.impl.OperationServiceImpl$RemoteOperationProcessor.run(Operat ionServiceImpl.java:724)
at com.hazelcast.util.executor.ManagedExecutorService$Worker.run(ManagedExecutorSe rvice.java:166)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
at com.hazelcast.util.executor.PoolExecutorThreadFactory$ManagedThread.run(PoolExe cutorThreadFactory.java:59)
Caused by: java.lang.ClassNotFoundException: com.jivesoftware.util.cache.ClusteredCacheFactory$CallableTask
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
at com.hazelcast.nio.ClassLoaderUtil.loadClass(ClassLoaderUtil.java:83)
at com.hazelcast.nio.IOUtil$1.resolveClass(IOUtil.java:77)
at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1612)
at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1517)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:370)
at com.hazelcast.nio.serialization.DefaultSerializers$ObjectSerializer.read(Defaul tSerializers.java:185)
… 16 mor