[Building Sakai] Assignment 2 Entity Broker
Geng, Kelly
gengx at miamioh.edu
Wed Oct 3 11:03:47 PDT 2012
Hi All,
I'm running EB 1.4.5 on Sakai 2.8.x and am having problem getting any Assignment2 entities.
For the rest call: /direct/assignment2/:ID:, I got the following errors:
2012-10-03 13:48:21,678 ERROR TP-Processor11 org.hibernate.LazyInitializationException - failed to lazily initialize a collection, no session or session was closed
org.hibernate.LazyInitializationException: failed to lazily initialize a collection, no session or session was closed
at org.hibernate.collection.AbstractPersistentCollection.throwLazyInitializationException(AbstractPersistentCollection.java:358)
at org.hibernate.collection.AbstractPersistentCollection.throwLazyInitializationExceptionIfNotConnected(AbstractPersistentCollection.java:350)
at org.hibernate.collection.AbstractPersistentCollection.readSize(AbstractPersistentCollection.java:97)
at org.hibernate.collection.PersistentSet.size(PersistentSet.java:139)
at org.azeckoski.reflectutils.transcoders.HTMLTranscoder.toHTML(HTMLTranscoder.java:206)
at org.azeckoski.reflectutils.transcoders.HTMLTranscoder.toHTML(HTMLTranscoder.java:279)
at org.azeckoski.reflectutils.transcoders.HTMLTranscoder.makeHTML(HTMLTranscoder.java:141)
at org.azeckoski.reflectutils.transcoders.HTMLTranscoder.encode(HTMLTranscoder.java:54)
at org.azeckoski.reflectutils.transcoders.HTMLTranscoder.encode(HTMLTranscoder.java:44)
at org.sakaiproject.entitybroker.rest.EntityEncodingManager.encodeData(EntityEncodingManager.java:839)
at org.sakaiproject.entitybroker.rest.EntityEncodingManager.encodeEntity(EntityEncodingManager.java:562)
at org.sakaiproject.entitybroker.rest.EntityEncodingManager.internalOutputFormatter(EntityEncodingManager.java:495)
at org.sakaiproject.entitybroker.rest.EntityHandlerImpl.handleEntityAccess(EntityHandlerImpl.java:591)
at org.sakaiproject.entitybroker.util.servlet.DirectServlet.dispatch(DirectServlet.java:181)
at org.sakaiproject.entitybroker.servlet.SakaiDirectServlet.dispatch(SakaiDirectServlet.java:144)
at org.sakaiproject.entitybroker.util.servlet.DirectServlet.handleRequest(DirectServlet.java:152)
at org.sakaiproject.entitybroker.util.servlet.DirectServlet.service(DirectServlet.java:130)
For the rest call: /direct/assignment2submission/:ID:, I got this:
HTTP Status 404 - Attempted to access an entity URL path (/assignment2submission/561) for an entity (/assignment2submission/561) that does not exist
I wonder whether anyone have success in using them, and any pointer to fix the errors?
Thanks,
Kelly
Miami University
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