I have installed openfire in 3 EC2 instance and added hazelcast plugin in all three. All three nodes work fine. But some time i get this exception in stderror log, Please help me to identify why this exception occurs and how can i avoid this error logs? ? ?
Apr 15, 2015 12:16:18 PM com.hazelcast.spi.OperationService
SEVERE: [172.31.22.121]: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 more***
Thanks in advance.