HuiSheng Xu [http://community.jboss.org/people/rebody] replied to the discussion "no environment to get org.jbpm.pvm.internal.id.DbidGenerator" To view the discussion, visit: http://community.jboss.org/message/559317#559317 -------------------------------------------------------------- HI Jimmy. If you want to do something what should access database,  you have to open an environment.  There is an easy way to do that things. processEngine.execute(new Command() {       public Object execute(Environment env) {           // do any thing           return null;     } }); -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/559317#559317] Start a new discussion in jBPM at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&...]