18:21:09,642 INFO  [stdout] (http-localhost-127.0.0.1-8080-3) Hibernate: insert into Task (archived, allowedToDelegate, formName, taskInitiator_id, priority, subTaskStrategy, activationTime, actualOwner_id, createdBy_id, createdOn, deploymentId, documentAccessType, documentContentId, documentType, expirationTime, faultAccessType, faultContentId, faultName, faultType, outputAccessType, outputContentId, outputType, parentId, previousStatus, processId, processInstanceId, processSessionId, skipable, status, workItemId, taskType, OPTLOCK, id) values (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)

18:21:09,661 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (http-localhost-127.0.0.1-8080-3) SQL Error: 1400, SQLState: 23000
18:21:09,663 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (http-localhost-127.0.0.1-8080-3) ORA-01400: cannot insert NULL into ("JBPM"."TASK"."TASKID")