Sandra Renaud [https://community.jboss.org/people/joploya] created the discussion
"Re: Human task + HornetQ + persistence + MySQL => ununderstanding stacktrace" To view the discussion, visit: https://community.jboss.org/message/772527#772527 -------------------------------------------------------------- After searching, I found that the main problem comes from the GeneratorId of Task. > @ > http://grepcode.com/file/repo1.maven.org/maven2/javax.persistence/persistence-api/1.0/javax/persistence/Entity.java#Entity > Entity > public class Task implements > http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/6-b14/java/io/Externalizable.java#Externalizable > Externalizable { > @ > http://grepcode.com/file/repo1.maven.org/maven2/javax.persistence/persistence-api/1.0/javax/persistence/Id.java#Id > Id > @ > http://grepcode.com/file/repo1.maven.org/maven2/javax.persistence/persistence-api/1.0/javax/persistence/GeneratedValue.java#GeneratedValue > GeneratedValue(strategy = > http://grepcode.com/file/repo1.maven.org/maven2/javax.persistence/persistence-api/1.0/javax/persistence/GenerationType.java#GenerationType.0AUTO > GenerationType.AUTO > (http://grepcode.com/file/repo1.maven.org/maven2/javax.persistence/persistence-api/1.0/javax/persistence/GenerationType.java#GenerationType.0AUTO)) > private long id; The AUTO GenerationType let MySQL choose how to implements the id generation. But the created table have no autoIncrement option and no default value. If I add manually a defaut value I obtain an error like > Caused by: org.hibernate.HibernateException: The database returned no > natively generated identity value I could check manually the option "Auto increment" in MySQL but I would like to do this automatically at the tables creation. But how can I do that without change the GenerationType to IDENTITY? Should I change the Taskorm.xml like for jbpm-console? Thanks to help. -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/772527#772527] Start a new discussion in jBPM at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&containerType=14&container=2034]
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