I have the following the stack trace when I put an object object in the cache and I don't understand why this error appears.

And sometimes, I'have this error too. But I have the jar file in the lib directory of my webapp.

11:45:47,170 ERROR [STDERR] java.lang.ClassNotFoundException: No ClassLoaders found for: com.company.interfaces.ws.auth.User

javax.management.RuntimeMBeanException
 at org.jboss.mx.interceptor.ReflectedDispatcher.handleInvocationExceptions(ReflectedDispatcher.java:176)
 at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:163)
 at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
 at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
 at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
 at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
 at org.springframework.jmx.access.MBeanClientInterceptor.invokeOperation(MBeanClientInterceptor.java:371)
 at org.springframework.jmx.access.MBeanClientInterceptor.invoke(MBeanClientInterceptor.java:302)
 at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:161)
 at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
 at $Proxy51.putObject(Unknown Source)
 at fr.billetel.nl.common.asynchronous.impl.AsynchronousTaskSubmitter.submitJob(AsynchronousTaskSubmitter.java:48)
 at fr.billetel.interfaces.ws.allotement.etatventes.impl.EtatVentes.prepareBordereaux(EtatVentes.java:131)
 at fr.billetel.interfaces.ws.allotement.etatventes.PrepareEtatVentesMessageReceiverInOut.invokeBusinessLogic(PrepareEtatVentesMessageReceiverI
nOut.java:66)
 at org.apache.axis2.receivers.AbstractInOutSyncMessageReceiver.receive(AbstractInOutSyncMessageReceiver.java:39)
 at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:144)
 at org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:279)
 at org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:116)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
 at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
 at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175)
 at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
 at org.jboss.web.tomcat.tc5.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
 at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
 at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
 at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
 at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
 at java.lang.Thread.run(Thread.java:595)
Caused by: java.lang.RuntimeException: PojoCache.putObject(): fqn: /dddd/23b41a0a020e5d00ff65bfe2651c2e20070809-102027
 at org.jboss.cache.aop.PojoCache.putObject(PojoCache.java:478)
 at org.jboss.cache.aop.PojoCache.putObject(PojoCache.java:423)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 at java.lang.reflect.Method.invoke(Method.java:585)
 at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
 ... 37 more
Caused by: java.lang.RuntimeException: java.io.StreamCorruptedException: invalid stream header
 at org.jboss.cache.TreeCache.invokeMethod(TreeCache.java:5526)
 at org.jboss.cache.TreeCache.put(TreeCache.java:3601)
 at org.jboss.cache.TreeCache.put(TreeCache.java:3332)
 at org.jboss.cache.aop.InternalDelegate.put(InternalDelegate.java:140)
 at org.jboss.cache.aop.SerializableObjectHandler.putIntoCache(SerializableObjectHandler.java:113)
 at org.jboss.cache.aop.SerializableObjectHandler.serializableObjectPut(SerializableObjectHandler.java:72)
 at org.jboss.cache.aop.TreeCacheAopDelegate._putObject(TreeCacheAopDelegate.java:215)
 at org.jboss.cache.aop.PojoCache._putObject(PojoCache.java:731)
 at org.jboss.cache.aop.PojoCache.putObject(PojoCache.java:462)
 ... 43 more
Caused by: java.io.StreamCorruptedException: invalid stream header
 at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:753)
 at java.io.ObjectInputStream.<init>(ObjectInputStream.java:268)
 at org.jboss.invocation.MarshalledValueInputStream.<init>(MarshalledValueInputStream.java:74)
 at org.jboss.cache.marshall.VersionAwareMarshaller.objectFromByteBuffer(VersionAwareMarshaller.java:184)
 at org.jgroups.blocks.RpcDispatcher.handle(RpcDispatcher.java:203)
 at org.jgroups.blocks.RequestCorrelator.handleRequest(RequestCorrelator.java:615)
 at org.jgroups.blocks.RequestCorrelator.receiveMessage(RequestCorrelator.java:512)
 at org.jgroups.blocks.RequestCorrelator.receive(RequestCorrelator.java:326)
 at org.jgroups.blocks.MessageDispatcher$ProtocolAdapter.handleUp(MessageDispatcher.java:722)
 at org.jgroups.blocks.MessageDispatcher$ProtocolAdapter.access$300(MessageDispatcher.java:554)
 at org.jgroups.blocks.MessageDispatcher$1.run(MessageDispatcher.java:691)
 ... 1 more