Der Fehler, ähnlich dem Folgenden „No matching property definition: cmd = advance“, wird in der Datei „AEM error.log“ beobachtet:
13.04.2017 08:28:20.094 *ERROR* [10.26.69.136 [1492086500086] POST /content/geometrixx/en HTTP/1.1] org.apache.sling.servlets.post.impl.operations.ModifyOperation Exception during response processing. javax.jcr.nodetype.ConstraintViolationException: No matching property definition: cmd = advance at org.apache.jackrabbit.oak.jcr.delegate.NodeDelegate.setProperty(NodeDelegate.java:522) at org.apache.jackrabbit.oak.jcr.session.NodeImpl$35.perform(NodeImpl.java:1358) at org.apache.jackrabbit.oak.jcr.session.NodeImpl$35.perform(NodeImpl.java:1346) at org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.perform(SessionDelegate.java:202) at org.apache.jackrabbit.oak.jcr.session.ItemImpl.perform(ItemImpl.java:112) at org.apache.jackrabbit.oak.jcr.session.NodeImpl.internalSetProperty(NodeImpl.java:1346) at org.apache.jackrabbit.oak.jcr.session.NodeImpl.setProperty(NodeImpl.java:432) at org.apache.sling.servlets.post.impl.helper.SlingPropertyValueHandler.store(SlingPropertyValueHandler.java:592) at org.apache.sling.servlets.post.impl.helper.SlingPropertyValueHandler.setPropertyAsIs(SlingPropertyValueHandler.java:305) at org.apache.sling.servlets.post.impl.helper.SlingPropertyValueHandler.setProperty(SlingPropertyValueHandler.java:158) at org.apache.sling.servlets.post.impl.operations.ModifyOperation.writeContent(ModifyOperation.java:411) at org.apache.sling.servlets.post.impl.operations.ModifyOperation.doRun(ModifyOperation.java:101) at org.apache.sling.servlets.post.AbstractPostOperation.run(AbstractPostOperation.java:92) at org.apache.sling.servlets.post.impl.SlingPostServlet.doPost(SlingPostServlet.java:202) at org.apache.sling.api.servlets.SlingAllMethodsServlet.mayService(SlingAllMethodsServlet.java:149) at org.apache.sling.api.servlets.SlingSafeMethodsServlet.service(SlingSafeMethodsServlet.java:345) at org.apache.sling.api.servlets.SlingSafeMethodsServlet.service(SlingSafeMethodsServlet.java:376) at org.apache.sling.engine.impl.request.RequestData.service(RequestData.java:547) at org.apache.sling.engine.impl.filter.SlingComponentFilterChain.render(SlingComponentFilterChain.java:44) at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:77) at com.day.cq.personalization.impl.TargetComponentFilter.doFilter(TargetComponentFilter.java:96) at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:68) at com.day.cq.wcm.core.impl.WCMDebugFilter.doFilter(WCMDebugFilter.java:133) at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:68) at com.day.cq.wcm.core.impl.WCMComponentFilter.filterRootInclude(WCMComponentFilter.java:371) at com.day.cq.wcm.core.impl.WCMComponentFilter.doFilter(WCMComponentFilter.java:171) at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:68) at org.apache.sling.engine.impl.SlingRequestProcessorImpl.processComponent(SlingRequestProcessorImpl.java:282) at org.apache.sling.engine.impl.filter.RequestSlingFilterChain.render(RequestSlingFilterChain.java:49)
Bekannter Produktfehler CQ-49206.
Das Problem tritt beim Beenden eines Workflow-Dialog-Teilnehmerschritts auf, der nur Daten mit dem Workflow-Objekt und nicht mit der Payload speichert. Die POST-Operation versucht, die Daten mit der Payload zu speichern (und kann dabei scheitern). Das Sling Post Servlet bekommt keine ./ vorangestellte Felder, so dass versucht wird, die Werte wie cmd = advance in der Payload zu speichern.