Hi team,
Im ivan, Im doing the work together with sofia and this problem arose as a 
result of the image loading.
the problem is that loading another image crashes the project and throws the 
following error.

19581 19:51:55,405  [ClassCryptFactory    qtp1152554134-17 INFO ]  using 
encryption/decryption object org.apache.wicket.util.crypt.SunJceCrypt@2e2b4d26
38635 19:52:14,459  [Query                qtp1152554134-18 ERROR]  No era 
posible crear un SQLExpression para el mapping del tipo 
"org.apache.isis.objectstore.jdo.datanucleus.valuetype
s.IsisBlobMapping"!
No era posible crear un SQLExpression para el mapping del tipo 
"org.apache.isis.objectstore.jdo.datanucleus.valuetypes.IsisBlobMapping" como 
no lo soportamos
org.datanucleus.exceptions.NucleusException: No era posible crear un 
SQLExpression para el mapping del tipo 
"org.apache.isis.objectstore.jdo.datanucleus.valuetypes.IsisBlobMapping" com
o no lo soportamos
        at 
org.datanucleus.store.rdbms.sql.expression.SQLExpressionFactory.newExpression(SQLExpressionFactory.java:189)
        at 
org.datanucleus.store.rdbms.sql.expression.SQLExpressionFactory.newExpression(SQLExpressionFactory.java:155)
        at 
org.datanucleus.store.rdbms.request.LocateBulkRequest.getStatement(LocateBulkRequest.java:158)
        at 
org.datanucleus.store.rdbms.request.LocateBulkRequest.execute(LocateBulkRequest.java:283)
        at 
org.datanucleus.store.rdbms.RDBMSPersistenceHandler.locateObjects(RDBMSPersistenceHandler.java:564)
        at 
org.datanucleus.ExecutionContextImpl.findObjects(ExecutionContextImpl.java:3313)
        at 
org.datanucleus.api.jdo.JDOPersistenceManager.getObjectsById(JDOPersistenceManager.java:1850)
        at 
org.apache.isis.core.runtime.system.persistence.PersistenceSession.loadPersistentPojos(PersistenceSession.java:1010)
        at 
org.apache.isis.core.runtime.system.persistence.PersistenceSession.adaptersFor(PersistenceSession.java:1603)
        at 
org.apache.isis.core.runtime.system.persistence.PersistenceSession.adaptersFor(PersistenceSession.java:1573)
        at 
org.apache.isis.viewer.wicket.model.models.EntityCollectionModel$Type$1.loadInBulk(EntityCollectionModel.java:107)
        at 
org.apache.isis.viewer.wicket.model.models.EntityCollectionModel$Type$1.load(EntityCollectionModel.java:93)
        at 
org.apache.isis.viewer.wicket.model.models.EntityCollectionModel.load(EntityCollectionModel.java:454)
        at 
org.apache.isis.viewer.wicket.model.models.EntityCollectionModel.load(EntityCollectionModel.java:70)
        at 
org.apache.wicket.model.LoadableDetachableModel.getObject(LoadableDetachableModel.java:135)
        at 
org.apache.isis.viewer.wicket.ui.components.collectioncontents.ajaxtable.CollectionContentsSortableDataProvider.size(CollectionContentsSortableDataProvider.java:68)
        at 
org.apache.wicket.markup.repeater.data.DataViewBase.internalGetItemCount(DataViewBase.java:142)
        at 
org.apache.wicket.markup.repeater.AbstractPageableView.getItemCount(AbstractPageableView.java:235)
        at 
org.apache.wicket.markup.repeater.AbstractPageableView.getRowCount(AbstractPageableView.java:216)
        at 
org.apache.wicket.markup.repeater.AbstractPageableView.getViewSize(AbstractPageableView.java:314)
        at 
org.apache.wicket.markup.repeater.AbstractPageableView.getItemModels(AbstractPageableView.java:99)
        at 
org.apache.wicket.markup.repeater.RefreshingView.onPopulate(RefreshingView.java:93)
        at 
org.apache.wicket.markup.repeater.AbstractRepeater.onBeforeRender(AbstractRepeater.java:124)
        at 
org.apache.wicket.markup.repeater.AbstractPageableView.onBeforeRender(AbstractPageableView.java:115)
        at org.apache.wicket.Component.internalBeforeRender(Component.java:950)
        at org.apache.wicket.Component.beforeRender(Component.java:1018)
        at 
org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1825)
        at org.apache.wicket.Component.onBeforeRender(Component.java:3916)
        at org.apache.wicket.Component.internalBeforeRender(Component.java:950)
        at org.apache.wicket.Component.beforeRender(Component.java:1018)
        at 
org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1825)
        at org.apache.wicket.Component.onBeforeRender(Component.java:3916)
        at org.apache.wicket.Component.internalBeforeRender(Component.java:950)
        at org.apache.wicket.Component.beforeRender(Component.java:1018)
        at 
org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1825)
        at org.apache.wicket.Component.onBeforeRender(Component.java:3916)
        at org.apache.wicket.Component.internalBeforeRender(Component.java:950)
        at org.apache.wicket.Component.beforeRender(Component.java:1018)
        at 
org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1825)
        at org.apache.wicket.Component.onBeforeRender(Component.java:3916)
        at org.apache.wicket.Component.internalBeforeRender(Component.java:950)
        at org.apache.wicket.Component.beforeRender(Component.java:1018)
        at 
org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1825)
        at org.apache.wicket.Component.onBeforeRender(Component.java:3916)
        at org.apache.wicket.Component.internalBeforeRender(Component.java:950)
        at org.apache.wicket.Component.beforeRender(Component.java:1018)
        at 
org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1825)
        at org.apache.wicket.Component.onBeforeRender(Component.java:3916)
        at org.apache.wicket.Component.internalBeforeRender(Component.java:950)
        at org.apache.wicket.Component.beforeRender(Component.java:1018)
        at 
org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1825)
        at org.apache.wicket.Component.onBeforeRender(Component.java:3916)
        at org.apache.wicket.Component.internalBeforeRender(Component.java:950)
        at org.apache.wicket.Component.beforeRender(Component.java:1018)
        at 
org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1825)
        at org.apache.wicket.Component.onBeforeRender(Component.java:3916)
        at org.apache.wicket.Page.onBeforeRender(Page.java:801)
        at org.apache.wicket.Component.internalBeforeRender(Component.java:950)
        at org.apache.wicket.Component.beforeRender(Component.java:1018)
        at 
org.apache.wicket.Component.internalPrepareForRender(Component.java:2236)
        at org.apache.wicket.Page.internalPrepareForRender(Page.java:242)
        at org.apache.wicket.Component.render(Component.java:2325)
        at org.apache.wicket.Page.renderPage(Page.java:1018)
        at 
org.apache.wicket.request.handler.render.WebPageRenderer.renderPage(WebPageRenderer.java:124)
        at 
org.apache.wicket.request.handler.render.WebPageRenderer.respond(WebPageRenderer.java:195)
        at 
org.apache.wicket.core.request.handler.RenderPageRequestHandler.respond(RenderPageRequestHandler.java:175)
        at 
org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:895)
        at 
org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:64)
        at 
org.apache.wicket.request.cycle.RequestCycle.execute(RequestCycle.java:265)
        at 
org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:222)
        at 
org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:293)
        at 
org.apache.wicket.protocol.http.WicketFilter.processRequestCycle(WicketFilter.java:261)
        at 
org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:203)
        at 
org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:284)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1668)
        at 
org.apache.isis.core.webapp.diagnostics.IsisLogOnExceptionFilter.doFilter(IsisLogOnExceptionFilter.java:52)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1668)
        at 
org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449)
        at 
org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)
        at 
org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)
        at 
org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)
        at 
org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383)
        at 
org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)
        at 
org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1668)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:581)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
        at 
org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1158)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:511)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1090)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at 
org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:213)
        at 
org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:109)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:119)
        at org.eclipse.jetty.server.Server.handle(Server.java:517)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:306)
        at 
org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:242)
        at 
org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:261)
        at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:95)
        at 
org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:75)
        at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceAndRun(ExecuteProduceConsume.java:213)
        at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:147)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:654)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:572)
        at java.lang.Thread.run(Thread.java:748)
38635 19:52:14,459  [Query                qtp1152554134-18 ERROR]  No era 
posible crear un SQLExpression para el mapping del tipo 
"org.apache.isis.objectstore.jdo.datanucleus.valuetype
s.IsisBlobMapping"!
No era posible crear un SQLExpression para el mapping del tipo 
"org.apache.isis.objectstore.jdo.datanucleus.valuetypes.IsisBlobMapping" como 
no lo soportamos
org.datanucleus.exceptions.NucleusException: No era posible crear un 
SQLExpression para el mapping del tipo 
"org.apache.isis.objectstore.jdo.datanucleus.valuetypes.IsisBlobMapping" com
o no lo soportamos
        at 
org.datanucleus.store.rdbms.sql.expression.SQLExpressionFactory.newExpression(SQLExpressionFactory.java:189)
        at 
org.datanucleus.store.rdbms.sql.expression.SQLExpressionFactory.newExpression(SQLExpressionFactory.java:155)
        at 
org.datanucleus.store.rdbms.request.LocateBulkRequest.getStatement(LocateBulkRequest.java:158)
        at 
org.datanucleus.store.rdbms.request.LocateBulkRequest.execute(LocateBulkRequest.java:283)
        at 
org.datanucleus.store.rdbms.RDBMSPersistenceHandler.locateObjects(RDBMSPersistenceHandler.java:564)
        at 
org.datanucleus.ExecutionContextImpl.findObjects(ExecutionContextImpl.java:3313)
        at 
org.datanucleus.api.jdo.JDOPersistenceManager.getObjectsById(JDOPersistenceManager.java:1850)
        at 
org.apache.isis.core.runtime.system.persistence.PersistenceSession.loadPersistentPojos(PersistenceSession.java:1010)
        at 
org.apache.isis.core.runtime.system.persistence.PersistenceSession.adaptersFor(PersistenceSession.java:1603)
        at 
org.apache.isis.core.runtime.system.persistence.PersistenceSession.adaptersFor(PersistenceSession.java:1573)
        at 
org.apache.isis.viewer.wicket.model.models.EntityCollectionModel$Type$1.loadInBulk(EntityCollectionModel.java:107)
        at 
org.apache.isis.viewer.wicket.model.models.EntityCollectionModel$Type$1.load(EntityCollectionModel.java:93)
        at 
org.apache.isis.viewer.wicket.model.models.EntityCollectionModel.load(EntityCollectionModel.java:454)
        at 
org.apache.isis.viewer.wicket.model.models.EntityCollectionModel.load(EntityCollectionModel.java:70)
        at 
org.apache.wicket.model.LoadableDetachableModel.getObject(LoadableDetachableModel.java:135)
        at 
org.apache.isis.viewer.wicket.ui.components.collectioncontents.ajaxtable.CollectionContentsSortableDataProvider.size(CollectionContentsSortableDataProvider.java:68)
        at 
org.apache.wicket.markup.repeater.data.DataViewBase.internalGetItemCount(DataViewBase.java:142)
        at 
org.apache.wicket.markup.repeater.AbstractPageableView.getItemCount(AbstractPageableView.java:235)
        at 
org.apache.wicket.markup.repeater.AbstractPageableView.getRowCount(AbstractPageableView.java:216)
        at 
org.apache.wicket.markup.repeater.AbstractPageableView.getViewSize(AbstractPageableView.java:314)
        at 
org.apache.wicket.markup.repeater.AbstractPageableView.getItemModels(AbstractPageableView.java:99)
        at 
org.apache.wicket.markup.repeater.RefreshingView.onPopulate(RefreshingView.java:93)
        at 
org.apache.wicket.markup.repeater.AbstractRepeater.onBeforeRender(AbstractRepeater.java:124)
        at 
org.apache.wicket.markup.repeater.AbstractPageableView.onBeforeRender(AbstractPageableView.java:115)
        at org.apache.wicket.Component.internalBeforeRender(Component.java:950)
        at org.apache.wicket.Component.beforeRender(Component.java:1018)
        at 
org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1825)
        at org.apache.wicket.Component.onBeforeRender(Component.java:3916)
        at org.apache.wicket.Component.internalBeforeRender(Component.java:950)
        at org.apache.wicket.Component.beforeRender(Component.java:1018)
        at 
org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1825)
        at org.apache.wicket.Component.onBeforeRender(Component.java:3916)
        at org.apache.wicket.Component.internalBeforeRender(Component.java:950)
        at org.apache.wicket.Component.beforeRender(Component.java:1018)
        at 
org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1825)
        at org.apache.wicket.Component.onBeforeRender(Component.java:3916)
        at org.apache.wicket.Component.internalBeforeRender(Component.java:950)
        at org.apache.wicket.Component.beforeRender(Component.java:1018)
        at 
org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1825)
        at org.apache.wicket.Component.onBeforeRender(Component.java:3916)
        at org.apache.wicket.Component.internalBeforeRender(Component.java:950)
        at org.apache.wicket.Component.beforeRender(Component.java:1018)
        at 
org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1825)
        at org.apache.wicket.Component.onBeforeRender(Component.java:3916)
        at org.apache.wicket.Component.internalBeforeRender(Component.java:950)
        at org.apache.wicket.Component.beforeRender(Component.java:1018)
        at 
org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1825)
        at org.apache.wicket.Component.onBeforeRender(Component.java:3916)
        at org.apache.wicket.Component.internalBeforeRender(Component.java:950)
        at org.apache.wicket.Component.beforeRender(Component.java:1018)
        at 
org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1825)
        at org.apache.wicket.Component.onBeforeRender(Component.java:3916)
        at org.apache.wicket.Component.internalBeforeRender(Component.java:950)
        at org.apache.wicket.Component.beforeRender(Component.java:1018)
        at 
org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1825)
        at org.apache.wicket.Component.onBeforeRender(Component.java:3916)
        at org.apache.wicket.Page.onBeforeRender(Page.java:801)
        at org.apache.wicket.Component.internalBeforeRender(Component.java:950)
        at org.apache.wicket.Component.beforeRender(Component.java:1018)
        at 
org.apache.wicket.Component.internalPrepareForRender(Component.java:2236)
        at org.apache.wicket.Page.internalPrepareForRender(Page.java:242)
        at org.apache.wicket.Component.render(Component.java:2325)
        at org.apache.wicket.Page.renderPage(Page.java:1018)
        at 
org.apache.wicket.request.handler.render.WebPageRenderer.renderPage(WebPageRenderer.java:124)
        at 
org.apache.wicket.request.handler.render.WebPageRenderer.respond(WebPageRenderer.java:195)
        at 
org.apache.wicket.core.request.handler.RenderPageRequestHandler.respond(RenderPageRequestHandler.java:175)
        at 
org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:895)
        at 
org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:64)
        at 
org.apache.wicket.request.cycle.RequestCycle.execute(RequestCycle.java:265)
        at 
org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:222)
        at 
org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:293)
        at 
org.apache.wicket.protocol.http.WicketFilter.processRequestCycle(WicketFilter.java:261)
        at 
org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:203)
        at 
org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:284)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1668)
        at 
org.apache.isis.core.webapp.diagnostics.IsisLogOnExceptionFilter.doFilter(IsisLogOnExceptionFilter.java:52)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1668)
        at 
org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449)
        at 
org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)
        at 
org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)
        at 
org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)
        at 
org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383)
        at 
org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)
        at 
org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1668)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:581)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
        at 
org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1158)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:511)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1090)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at 
org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:213)
        at 
org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:109)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:119)
        at org.eclipse.jetty.server.Server.handle(Server.java:517)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:306)
        at 
org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:242)
        at 
org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:261)
        at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:95)
        at 
org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:75)
        at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceAndRun(ExecuteProduceConsume.java:213)
        at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:147)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:654)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:572)
        at java.lang.Thread.run(Thread.java:748)
38776 19:52:14,600  [RequestCycleExtra    qtp1152554134-18 WARN ]  
********************************
38778 19:52:14,602  [RequestCycleExtra    qtp1152554134-18 WARN ]  Handling the 
following exception
org.apache.wicket.WicketRuntimeException: Error attaching this container for 
rendering: [WebMarkupContainer [Component id = body]]
        at 
org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1837)
        at org.apache.wicket.Component.onBeforeRender(Component.java:3916)
        at org.apache.wicket.Component.internalBeforeRender(Component.java:950)
        at org.apache.wicket.Component.beforeRender(Component.java:1018)
        at 
org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1825)
        at org.apache.wicket.Component.onBeforeRender(Component.java:3916)
        at org.apache.wicket.Component.internalBeforeRender(Component.java:950)
        at org.apache.wicket.Component.beforeRender(Component.java:1018)
        at 
org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1825)
        at org.apache.wicket.Component.onBeforeRender(Component.java:3916)
        at org.apache.wicket.Component.internalBeforeRender(Component.java:950)
        at org.apache.wicket.Component.beforeRender(Component.java:1018)
        at 
org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1825)
        at org.apache.wicket.Component.onBeforeRender(Component.java:3916)
        at org.apache.wicket.Component.internalBeforeRender(Component.java:950)
        at org.apache.wicket.Component.beforeRender(Component.java:1018)
        at 
org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1825)
        at org.apache.wicket.Component.onBeforeRender(Component.java:3916)
        at org.apache.wicket.Component.internalBeforeRender(Component.java:950)
        at org.apache.wicket.Component.beforeRender(Component.java:1018)
        at 
org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1825)
        at org.apache.wicket.Component.onBeforeRender(Component.java:3916)
        at org.apache.wicket.Component.internalBeforeRender(Component.java:950)
        at org.apache.wicket.Component.beforeRender(Component.java:1018)
        at 
org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1825)
        at org.apache.wicket.Component.onBeforeRender(Component.java:3916)
        at org.apache.wicket.Component.internalBeforeRender(Component.java:950)
        at org.apache.wicket.Component.beforeRender(Component.java:1018)
        at 
org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1825)
        at org.apache.wicket.Component.onBeforeRender(Component.java:3916)
        at org.apache.wicket.Page.onBeforeRender(Page.java:801)
        at org.apache.wicket.Component.internalBeforeRender(Component.java:950)
        at org.apache.wicket.Component.beforeRender(Component.java:1018)
        at 
org.apache.wicket.Component.internalPrepareForRender(Component.java:2236)
        at org.apache.wicket.Page.internalPrepareForRender(Page.java:242)
        at org.apache.wicket.Component.render(Component.java:2325)
        at org.apache.wicket.Page.renderPage(Page.java:1018)
        at 
org.apache.wicket.request.handler.render.WebPageRenderer.renderPage(WebPageRenderer.java:124)
        at 
org.apache.wicket.request.handler.render.WebPageRenderer.respond(WebPageRenderer.java:195)
        at 
org.apache.wicket.core.request.handler.RenderPageRequestHandler.respond(RenderPageRequestHandler.java:175)
        at 
org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:895)
        at 
org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:64)
        at 
org.apache.wicket.request.cycle.RequestCycle.execute(RequestCycle.java:265)
        at 
org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:222)
        at 
org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:293)
        at 
org.apache.wicket.protocol.http.WicketFilter.processRequestCycle(WicketFilter.java:261)
        at 
org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:203)
        at 
org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:284)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1668)
        at 
org.apache.isis.core.webapp.diagnostics.IsisLogOnExceptionFilter.doFilter(IsisLogOnExceptionFilter.java:52)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1668)
        at 
org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449)
        at 
org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)
        at 
org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)
        at 
org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)
        at 
org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383)
        at 
org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)
        at 
org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1668)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:581)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
        at 
org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1158)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:511)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1090)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at 
org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:213)
        at 
org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:109)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:119)
        at org.eclipse.jetty.server.Server.handle(Server.java:517)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:306)
        at 
org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:242)
        at 
org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:261)
        at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:95)
        at 
org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:75)
        at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceAndRun(ExecuteProduceConsume.java:213)
        at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:147)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:654)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:572)
        at java.lang.Thread.run(Thread.java:748)
Caused by: org.datanucleus.exceptions.NucleusException: No era posible crear un 
SQLExpression para el mapping del tipo 
"org.apache.isis.objectstore.jdo.datanucleus.valuetypes.IsisBlobM
apping"!
        at 
org.datanucleus.store.rdbms.sql.expression.SQLExpressionFactory.newExpression(SQLExpressionFactory.java:199)
        at 
org.datanucleus.store.rdbms.sql.expression.SQLExpressionFactory.newExpression(SQLExpressionFactory.java:155)
        at 
org.datanucleus.store.rdbms.request.LocateBulkRequest.getStatement(LocateBulkRequest.java:158)
        at 
org.datanucleus.store.rdbms.request.LocateBulkRequest.execute(LocateBulkRequest.java:283)
        at 
org.datanucleus.store.rdbms.RDBMSPersistenceHandler.locateObjects(RDBMSPersistenceHandler.java:564)
        at 
org.datanucleus.ExecutionContextImpl.findObjects(ExecutionContextImpl.java:3313)
        at 
org.datanucleus.api.jdo.JDOPersistenceManager.getObjectsById(JDOPersistenceManager.java:1850)
        at 
org.apache.isis.core.runtime.system.persistence.PersistenceSession.loadPersistentPojos(PersistenceSession.java:1010)
        at 
org.apache.isis.core.runtime.system.persistence.PersistenceSession.adaptersFor(PersistenceSession.java:1603)
        at 
org.apache.isis.core.runtime.system.persistence.PersistenceSession.adaptersFor(PersistenceSession.java:1573)
        at 
org.apache.isis.viewer.wicket.model.models.EntityCollectionModel$Type$1.loadInBulk(EntityCollectionModel.java:107)
        at 
org.apache.isis.viewer.wicket.model.models.EntityCollectionModel$Type$1.load(EntityCollectionModel.java:93)
        at 
org.apache.isis.viewer.wicket.model.models.EntityCollectionModel.load(EntityCollectionModel.java:454)
        at 
org.apache.isis.viewer.wicket.model.models.EntityCollectionModel.load(EntityCollectionModel.java:70)
        at 
org.apache.wicket.model.LoadableDetachableModel.getObject(LoadableDetachableModel.java:135)
        at 
org.apache.isis.viewer.wicket.ui.components.collectioncontents.ajaxtable.CollectionContentsSortableDataProvider.size(CollectionContentsSortableDataProvider.java:68)
        at 
org.apache.wicket.markup.repeater.data.DataViewBase.internalGetItemCount(DataViewBase.java:142)
        at 
org.apache.wicket.markup.repeater.AbstractPageableView.getItemCount(AbstractPageableView.java:235)
        at 
org.apache.wicket.markup.repeater.AbstractPageableView.getRowCount(AbstractPageableView.java:216)
        at 
org.apache.wicket.markup.repeater.AbstractPageableView.getViewSize(AbstractPageableView.java:314)
        at 
org.apache.wicket.markup.repeater.AbstractPageableView.getItemModels(AbstractPageableView.java:99)
        at 
org.apache.wicket.markup.repeater.RefreshingView.onPopulate(RefreshingView.java:93)
        at 
org.apache.wicket.markup.repeater.AbstractRepeater.onBeforeRender(AbstractRepeater.java:124)
        at 
org.apache.wicket.markup.repeater.AbstractPageableView.onBeforeRender(AbstractPageableView.java:115)
        at org.apache.wicket.Component.internalBeforeRender(Component.java:950)
        at org.apache.wicket.Component.beforeRender(Component.java:1018)
        at 
org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1825)
        ... 81 more
Caused by: org.datanucleus.exceptions.NucleusException: No era posible crear un 
SQLExpression para el mapping del tipo 
"org.apache.isis.objectstore.jdo.datanucleus.valuetypes.IsisBlo        at 
org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:18
25)
        ... 81 more
Caused by: org.datanucleus.exceptions.NucleusException: No era posible crear un 
SQLExpressi
on para el mapping del tipo 
"org.apache.isis.objectstore.jdo.datanucleus.valuetypes.IsisBlobMapping" como 
no lo soportamos
        at 
org.datanucleus.store.rdbms.sql.expression.SQLExpressionFactory.newExpression(SQLExpressionFactory.java:189)
        ... 107 more
38818 19:52:14,642  [RequestCycleExtra    qtp1152554134-18 WARN ]  
********************************

I await your comments
Regards...

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