Thank for the answer maciej. I put the jar inside the jbpm-human-task-war-5.3.0.Final. I only open the war file with winrar, delete the old jar and add the new. Now is given this error.
19:19:42,335 INFO [stdout] (http-localhost-127.0.0.1-8080-5) INFO 04-06 19:19:42,335 (DemoAuthenticator.java:authenticate:65) Demo login for user (admin) succeeded.
19:19:42,351 INFO [stdout] (http-localhost-127.0.0.1-8080-2) INFO 04-06 19:19:42,351 (DemoAuthenticator.java:authenticate:65) Demo login for user (admin) succeeded.
19:19:42,367 INFO [stdout] (http-localhost-127.0.0.1-8080-2) INFO 04-06 19:19:42,367 (DemoAuthenticator.java:authenticate:65) Demo login for user (admin) succeeded.
19:19:42,429 INFO [stdout] (http-localhost-127.0.0.1-8080-5) INFO 04-06 19:19:42,413 (DemoAuthenticator.java:authenticate:65) Demo login for user (admin) succeeded.
19:19:42,445 INFO [stdout] (http-localhost-127.0.0.1-8080-8) INFO 04-06 19:19:42,445 (DemoAuthenticator.java:authenticate:65) Demo login for user (admin) succeeded.
19:19:42,460 INFO [stdout] (http-localhost-127.0.0.1-8080-8) INFO 04-06 19:19:42,460 (DemoAuthenticator.java:authenticate:65) Demo login for user (admin) succeeded.
19:19:51,493 ERROR [stderr] (Thread-17) java.lang.RuntimeException: Could not commit transaction
19:19:51,493 ERROR [stderr] (Thread-17) at org.jbpm.task.service.TaskServiceSession.doOperationInTransaction(TaskServiceSession.java:1005)
19:19:51,493 ERROR [stderr] (Thread-17) at org.jbpm.task.service.TaskServiceSession.addTask(TaskServiceSession.java:188)
19:19:51,493 ERROR [stderr] (Thread-17) at org.jbpm.task.service.TaskServerHandler.messageReceived(TaskServerHandler.java:144)
19:19:51,493 ERROR [stderr] (Thread-17) at org.jbpm.task.service.hornetq.HornetQTaskServerHandler.messageReceived(HornetQTaskServerHandler.java:44)
19:19:51,493 ERROR [stderr] (Thread-17) at org.jbpm.task.service.hornetq.BaseHornetQTaskServer.run(BaseHornetQTaskServer.java:85)
19:19:51,493 ERROR [stderr] (Thread-17) at java.lang.Thread.run(Thread.java:722)
19:19:51,493 ERROR [stderr] (Thread-17) Caused by: java.lang.RuntimeException: Unable to rollback transaction
19:19:51,493 ERROR [stderr] (Thread-17) at org.jbpm.task.service.persistence.TaskLocalTransactionManager.rollback(TaskLocalTransactionManager.java:77)
19:19:51,493 ERROR [stderr] (Thread-17) at org.jbpm.task.service.persistence.TaskPersistenceManager.endTransaction(TaskPersistenceManager.java:97)
19:19:51,493 ERROR [stderr] (Thread-17) at org.jbpm.task.service.TaskServiceSession.doOperationInTransaction(TaskServiceSession.java:993)
19:19:51,493 ERROR [stderr] (Thread-17) ... 5 more
19:19:51,493 ERROR [stderr] (Thread-17) Caused by: java.lang.IllegalStateException: Transaction not active
19:19:51,493 ERROR [stderr] (Thread-17) at org.hibernate.ejb.TransactionImpl.rollback(TransactionImpl.java:82)
19:19:51,493 ERROR [stderr] (Thread-17) at org.jbpm.task.service.persistence.TaskLocalTransactionManager.rollback(TaskLocalTransactionManager.java:70)
19:19:51,493 ERROR [stderr] (Thread-17) ... 7 more
19:19:53,567 ERROR [stderr] (http-localhost-127.0.0.1-8080-9) java.lang.RuntimeException: Timeout : unable to retrieve results
19:19:53,567 ERROR [stderr] (http-localhost-127.0.0.1-8080-9) at org.jbpm.task.service.responsehandlers.BlockingTaskSummaryResponseHandler.getResults(BlockingTaskSummaryResponseHandler.java:41)
19:19:53,567 ERROR [stderr] (http-localhost-127.0.0.1-8080-9) at org.jbpm.task.service.SyncTaskServiceWrapper.getTasksOwned(SyncTaskServiceWrapper.java:512)
19:19:53,567 ERROR [stderr] (http-localhost-127.0.0.1-8080-9) at org.jbpm.integration.console.TaskManagement.getAssignedTasks(TaskManagement.java:140)
19:19:53,567 ERROR [stderr] (http-localhost-127.0.0.1-8080-9) at org.jboss.bpm.console.server.TaskListFacade.getTasksForIdRef(TaskListFacade.java:101)
19:19:53,567 ERROR [stderr] (http-localhost-127.0.0.1-8080-9) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
19:19:53,567 ERROR [stderr] (http-localhost-127.0.0.1-8080-9) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
19:19:53,567 ERROR [stderr] (http-localhost-127.0.0.1-8080-9) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
19:19:53,567 ERROR [stderr] (http-localhost-127.0.0.1-8080-9) at java.lang.reflect.Method.invoke(Method.java:601)
19:19:53,567 ERROR [stderr] (http-localhost-127.0.0.1-8080-9) at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:140)
19:19:53,567 ERROR [stderr] (http-localhost-127.0.0.1-8080-9) at org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:255)
19:19:53,567 ERROR [stderr] (http-localhost-127.0.0.1-8080-9) at org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:220)
19:19:53,567 ERROR [stderr] (http-localhost-127.0.0.1-8080-9) at org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:209)
19:19:53,567 ERROR [stderr] (http-localhost-127.0.0.1-8080-9) at org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:519)
19:19:53,567 ERROR [stderr] (http-localhost-127.0.0.1-8080-9) at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:496)
19:19:53,567 ERROR [stderr] (http-localhost-127.0.0.1-8080-9) at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:119)
19:19:53,567 ERROR [stderr] (http-localhost-127.0.0.1-8080-9) at org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:208)
19:19:53,567 ERROR [stderr] (http-localhost-127.0.0.1-8080-9) at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:55)
19:19:53,567 ERROR [stderr] (http-localhost-127.0.0.1-8080-9) at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:50)
19:19:53,567 ERROR [stderr] (http-localhost-127.0.0.1-8080-9) at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
19:19:53,567 ERROR [stderr] (http-localhost-127.0.0.1-8080-9) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:329)
19:19:53,567 ERROR [stderr] (http-localhost-127.0.0.1-8080-9) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)
19:19:53,567 ERROR [stderr] (http-localhost-127.0.0.1-8080-9) at org.jboss.bpm.console.server.util.GWTJsonFilter.doFilter(GWTJsonFilter.java:59)
19:19:53,567 ERROR [stderr] (http-localhost-127.0.0.1-8080-9) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280)
19:19:53,567 ERROR [stderr] (http-localhost-127.0.0.1-8080-9) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)
19:19:53,567 ERROR [stderr] (http-localhost-127.0.0.1-8080-9) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275)
19:19:53,567 ERROR [stderr] (http-localhost-127.0.0.1-8080-9) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161)
19:19:53,567 ERROR [stderr] (http-localhost-127.0.0.1-8080-9) at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:139)
19:19:53,567 ERROR [stderr] (http-localhost-127.0.0.1-8080-9) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:480)
19:19:53,567 ERROR [stderr] (http-localhost-127.0.0.1-8080-9) at org.jboss.as.web.NamingValve.invoke(NamingValve.java:57)
19:19:53,567 ERROR [stderr] (http-localhost-127.0.0.1-8080-9) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:154)
19:19:53,567 ERROR [stderr] (http-localhost-127.0.0.1-8080-9) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
19:19:53,567 ERROR [stderr] (http-localhost-127.0.0.1-8080-9) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
19:19:53,567 ERROR [stderr] (http-localhost-127.0.0.1-8080-9) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:362)
19:19:53,567 ERROR [stderr] (http-localhost-127.0.0.1-8080-9) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877)
19:19:53,567 ERROR [stderr] (http-localhost-127.0.0.1-8080-9) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:667)
19:19:53,567 ERROR [stderr] (http-localhost-127.0.0.1-8080-9) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:952)
19:19:53,567 ERROR [stderr] (http-localhost-127.0.0.1-8080-9) at java.lang.Thread.run(Thread.java:722)