java.lang.RuntimeException: javax.jms.JMSException: Failed to serialize object

javax.jms.JMSException: Failed to serialize object	at org.hornetq.jms.client.HornetQObjectMessage.setObject(HornetQObjectMessage.java:139)	at org.hornetq.jms.client.HornetQSession.createObjectMessage(HornetQSession.java:169)	at org.hornetq.ra.HornetQRASession.createObjectMessage(HornetQRASession.java:246)	at ru.runa.wfe.commons.Utils.sendEmailRequest(Utils.java:135)	at ru.runa.wfe.commons.email.EmailUtils.sendMessageRequest(EmailUtils.java:61)	at ru.runa.wfe.extension.handler.SendEmailActionHandler.execute(SendEmailActionHandler.java:59)	at ru.runa.wfe.lang.ScriptTask.execute(ScriptTask.java:36)	at ru.runa.wfe.lang.Node.enter(Node.java:180)	at ru.runa.wfe.lang.Transition.take(Transition.java:96)	at ru.runa.wfe.lang.Node.leave(Node.java:211)	at ru.runa.wfe.lang.BaseTaskNode.leave(BaseTaskNode.java:50)	at ru.runa.wfe.execution.Token.signal(Token.java:267)	at sun.reflect.GeneratedMethodAccessor362.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:606)	at org.hibernate.proxy.pojo.cglib.CGLIBLazyInitializer.invoke(CGLIBLazyInitializer.java:157)	at ru.runa.wfe.execution.Token$$EnhancerByCGLIB$$85574c68.signal()	at ru.runa.wfe.task.logic.TaskLogic.signalToken(TaskLogic.java:125)	at ru.runa.wfe.task.logic.TaskLogic.completeTask(TaskLogic.java:102)	at ru.runa.wfe.service.impl.ExecutionServiceBean.completeTask(ExecutionServiceBean.java:224)	at sun.reflect.GeneratedMethodAccessor358.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:606)	at org.jboss.as.ee.component.ManagedReferenceMethodInterceptorFactory$ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptorFactory.java:72)	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)	at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:374)	at ru.runa.wfe.service.interceptors.EjbTransactionSupport.invokeWithRetry(EjbTransactionSupport.java:78)	at ru.runa.wfe.service.interceptors.EjbTransactionSupport.process(EjbTransactionSupport.java:51)	at sun.reflect.GeneratedMethodAccessor112.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:606)	at org.jboss.as.ee.component.ManagedReferenceLifecycleMethodInterceptorFactory$ManagedReferenceLifecycleMethodInterceptor.processInvocation(ManagedReferenceLifecycleMethodInterceptorFactory.java:123)	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)	at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:374)	at ru.runa.wfe.service.interceptors.PerformanceObserver.process(PerformanceObserver.java:15)	at sun.reflect.GeneratedMethodAccessor114.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:606)	at org.jboss.as.ee.component.ManagedReferenceLifecycleMethodInterceptorFactory$ManagedReferenceLifecycleMethodInterceptor.processInvocation(ManagedReferenceLifecycleMethodInterceptorFactory.java:123)	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)	at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:374)	at ru.runa.wfe.service.interceptors.EjbExceptionSupport.process(EjbExceptionSupport.java:42)	at sun.reflect.GeneratedMethodAccessor105.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:606)	at org.jboss.as.ee.component.ManagedReferenceLifecycleMethodInterceptorFactory$ManagedReferenceLifecycleMethodInterceptor.processInvocation(ManagedReferenceLifecycleMethodInterceptorFactory.java:123)	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)	at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:53)	at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:36)	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)	at org.jboss.as.jpa.interceptor.SBInvocationInterceptor.processInvocation(SBInvocationInterceptor.java:47)	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)	at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:105)	at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:56)	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)	at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21)	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)	at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61)	at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:53)	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)	at org.jboss.as.ejb3.component.pool.PooledInstanceInterceptor.processInvocation(PooledInstanceInterceptor.java:51)	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)	at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41)	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)	at org.jboss.as.ejb3.component.interceptors.LoggingInterceptor.processInvocation(LoggingInterceptor.java:59)	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)	at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50)	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)	at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:32)	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)	at org.jboss.as.ee.component.TCCLInterceptor.processInvocation(TCCLInterceptor.java:45)	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)	at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61)	at org.jboss.as.ee.component.ViewService$View.invoke(ViewService.java:165)	at org.jboss.as.ee.component.ViewDescription$1.processInvocation(ViewDescription.java:173)	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)	at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61)	at org.jboss.as.ee.component.ProxyInvocationHandler.invoke(ProxyInvocationHandler.java:72)	at ru.runa.wfe.service.decl.ExecutionServiceLocal$$$view13.completeTask(Unknown Source)	at ru.runa.wfe.service.delegate.ExecutionServiceDelegate.completeTask(ExecutionServiceDelegate.java:179)	at ru.runa.wf.web.action.SubmitTaskFormAction.executeProcessFromAction(SubmitTaskFormAction.java:71)	at ru.runa.wf.web.action.BaseProcessFormAction.execute(BaseProcessFormAction.java:62)	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:425)	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:228)	at ru.runa.common.web.UTF8RequestProcessor.process(UTF8RequestProcessor.java:41)	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)	at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:462)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:754)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:329)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)	at ru.runa.common.web.filter.XSSFilter.doFilter(XSSFilter.java:18)	at ru.runa.common.web.filter.HTTPFilterBase.doFilter(HTTPFilterBase.java:50)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)	at ru.runa.common.web.filter.HTTPSessionFilter.doFilter(HTTPSessionFilter.java:49)	at ru.runa.common.web.filter.HTTPFilterBase.doFilter(HTTPFilterBase.java:50)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)	at ru.runa.af.web.filter.NTLMFilter.doFilter(NTLMFilter.java:54)	at ru.runa.common.web.filter.HTTPFilterBase.doFilter(HTTPFilterBase.java:50)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)	at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:206)	at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:179)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275)	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161)	at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:153)	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:155)	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:368)	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877)	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:671)	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:930)	at java.lang.Thread.run(Thread.java:745)