Simulation query with stddev not supported on HSQL -------------------------------------------------- Key: JBPM-1081 URL: http://jira.jboss.com/jira/browse/JBPM-1081 Project: JBoss jBPM Issue Type: Bug Components: Simulation Affects Versions: jBPM jPDL 3.2.3 Environment: N/A Reporter: Ronald van Kuijk Assigned To: Tom Baeyens Fix For: jBPM jPDL 3.2.4 According to a user in the forum, stddev is not supported in the HSQLDialect on the hibernate version that comes with jBPM. I have not had the opportunity to verify this.