RS in outbox

The recipients are not fetched in the outbox which can cause red screens. An example is an outbox with paging, click on the second page generate a RS, make a link to a sender mail, logout and use the link, you can see the message but the click on the back button create a RS...

User-Agent: Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/30.0.1599.69 Safari/537.36
Log msg: *RedScreen* exception while rendering component 'table' (org.olat.core.gui.components.table.Table) listener:[org.olat.core.gui.components.table.TableController [cListener:org.olat.core.util.mail.ui.MailListController, ]]
Message of exception: failed to lazily initialize a collection of role: org.olat.core.util.mail.model.DBMailLightImpl.recipients, could not initialize proxy - no Session :::: ::::
Cause:
stack of 1.cause::org.olat.core.logging.OLATRuntimeException: exception while rendering component 'table' (org.olat.core.gui.components.table.Table) listener:[org.olat.core.gui.components.table.TableController [cListener:org.olat.core.util.mail.ui.MailListController, ]]
Message of exception: failed to lazily initialize a collection of role: org.olat.core.util.mail.model.DBMailLightImpl.recipients, could not initialize proxy - no Session
-> at org.olat.core.gui.components.Window.dispatchRequest(Window.java:748)
at org.olat.core.gui.components.Window.doDispatchRequest(Window.java:238)
at org.olat.core.gui.components.Component.dispatchRequest(Component.java:192)
at org.olat.dispatcher.AuthenticatedDispatcher.execute(AuthenticatedDispatcher.java:227)
at org.olat.core.dispatcher.DispatcherAction.execute(DispatcherAction.java:154)
at org.olat.core.servlets.OLATServlet.doPost(OLATServlet.java:155)
at org.olat.core.servlets.OLATServlet.doGet(OLATServlet.java:128)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
at org.olat.core.servlets.OLATServlet.service(OLATServlet.java:112)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
stack of 2.cause::org.hibernate.LazyInitializationException: failed to lazily initialize a collection of role: org.olat.core.util.mail.model.DBMailLightImpl.recipients, could not initialize proxy - no Session
-> at org.hibernate.collection.internal.AbstractPersistentCollection.throwLazyInitializationException(AbstractPersistentCollection.java:566)
at org.hibernate.collection.internal.AbstractPersistentCollection.withTemporarySessionIfNeeded(AbstractPersistentCollection.java:186)
at org.hibernate.collection.internal.AbstractPersistentCollection.initialize(AbstractPersistentCollection.java:545)
at org.hibernate.collection.internal.AbstractPersistentCollection.read(AbstractPersistentCollection.java:124)
at org.hibernate.collection.internal.PersistentList.iterator(PersistentList.java:138)
at org.olat.core.util.mail.ui.MailDataModel.getValueAt(MailDataModel.java:134)
at org.olat.core.gui.components.table.DefaultColumnDescriptor.getModelData(DefaultColumnDescriptor.java:121)
at org.olat.core.gui.components.table.DefaultColumnDescriptor.renderValue(DefaultColumnDescriptor.java:128)
at org.olat.core.gui.components.table.TableRenderer.appendSingleDataRow(TableRenderer.java:305)
at org.olat.core.gui.components.table.TableRenderer.appendDataRows(TableRenderer.java:265)
at org.olat.core.gui.components.table.TableRenderer.render(TableRenderer.java:119)2013-10-09 14:58:20,579 [ajp-apr-8009-exec-36]