I replace hibernate.cfg.xml in jbpm-gwt-console-server-war/WEB-INF/classes/META-INF and jbpm-gwt-console-server-war/WEB-INF/classes;
I replace persistence.xml in jbpm-gwt-console-server-war/WEB-INF/classes/META-INF.
I replace testDS1-ds.xml /usr/local/jbpm-installer/jboss-5.1.0.GA/server/default/deploy.
I replace hibernate.cfg.xml in jbpm-gwt-console-server.war/lib/jbpm-bam-5.1.0.Final.jar, and in runtime/lib/jbpm-bam-5.1.0.Final.jar
I replace persistance.xml in jbpm-gwt-console-server.war/lib/jbpm-human-task-5.1.0.Final.jar ,and in runtime/lib/jbpm-human-task-5.1.0.Final.jar
Finally,I put the driver jar of mysql(mysql-connector-java-5.1.18-bin.jar) to db/driver.
But,after jboss run, the human task service can't run:
[java] Exception in thread "main" javax.persistence.PersistenceException: Unable to configure EntityManagerFactory
[java] at org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:265)
[java] at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:125)
[java] at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:52)
[java] at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:34)
[java] at org.jbpm.DemoTaskService.main(Unknown Source)
[java] Caused by: org.xml.sax.SAXParseException: The reference to entity "characterEncoding" must end with the ';' delimiter.
[java] at com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(DOMParser.java:249)
[java] at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:284)
[java] at org.hibernate.ejb.packaging.PersistenceXmlLoader.loadURL(PersistenceXmlLoader.java:70)
[java] at org.hibernate.ejb.packaging.PersistenceXmlLoader.deploy(PersistenceXmlLoader.java:89)
[java] at org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:222)
[java] ... 4 more
[java] Java Result: 1
BUILD SUCCESSFUL
Total time: 3 seconds